Publications
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The Star Formation History of the Milky Way's Nuclear Star Cluster
Chen, Zhuo, Do, Tuan, Ghez, Andrea M., Hosek, Matthew W., Feldmeier-Krause, Anja, Chu, Devin S., Bentley, Rory O., Lu, Jessica R., Morris, Mark R., ApJ 944, 79
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The Swansong of the Galactic Center Source X7: An Extreme Example of Tidal Evolution near the Supermassive Black Hole
Ciurlo, Anna, Campbell, Randall D., Morris, Mark R., Do, Tuan, Ghez, Andrea M., Becklin, Eric E., Bentley, Rory O., Chu, Devin S., Gautam, Abhimat K., Gursahani, Yash A., Hees, Aurelien, Kosmo O'Neil, Kelly, Lu, Jessica R., Martinez, Gregory D., Naoz Smadar, Sakai, Shoko, Schodel, Rainer ApJ 944, 136
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Measuring the α-abundance of Subsolar-metallicity Stars in the Milky Way’s Central Half-parsec: Testing Globular Cluster and Dwarf Galaxy Infall Scenarios
Bentley, Rory, O., Do, Tuan, Kerzendorf, Wolfgang, Chu, Devin S., Chen, Zhuo, Konopacky, Quinn, Ghez, Andrea, ApJ 925, 77
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Analyzing long-term performance of the Keck-II adaptive optics system
Ramey, Emily, Lu, Jessica R., Yin, Ruyoi, Robinson, Steve, Wizinowich, Peter, Ragland, Sam, Lyke, Jim, Jia, Siyao, Sakai, Shoko, Gautam, Abhimat, Do, Tuan, Hosek, Matthew, Ghez, Andrea, Morris, Mark R., Becklin, Eric, Matthew, Keith, JATIS, Volume 8, 028004
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AIROPA II: Modeling Instrumental Aberrations for Off-Axis Point Spread Functions in Adaptive Optics
Ciurlo, Anna, Turri, Paolo, Witzel, Gunther, Lu, Jessica R., Do, Tuan, Sitarski, Breann N., Fitzgerald, Michael P., Ghez, Andrea M., Alvarez, Carlos, Terry, Sean K., Doppmann, Greg, Lyke, James E., Ragland, Sam, Campbell, Randall, Matthews, Keith, JATIS Volume 8, 038007
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AIROPA III: testing simulated and on-sky data
Turri, Paolo, Lu, Jessica R., Witzel, Gunther, Ciurlo, Anna, Do, Tuan, Ghez, Andrea M., Fitzgerald, Michael P., Britton, Matthew C., Ragland, Sam, Terry, Sean K., ApJ
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Regularized 3D spectroscopy with CubeFit: Method and application to the Galactic Center circumnuclear disk
Paumard, Thibaut, Ciurlo, Anna, Morris, Mark R., Do, Tuan, Ghez, Andrea M., A&A 664, 97
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Measuring the Orbits of the Arches and Quintuplet Clusters Using HST and Gaia: Exploring Scenarios for Star Formation near the Galacgtic Center
Hosek, Matthew W., Jr, Do, Tuan, Lu, Jessica R., Morris, Mark R., Ghez, Andrea M., Martinez, Gregory D., Anderson, Jay, ApJ 939, 68
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Upper Limit on Brackett-gamma Emission from the Immediate Accretion Flow onto the Galactic Black Hole
Ciurlo, A., Morris, M.R., Campbell, R.D., Ghez, A.M., Do,T., Chu, D.S., ApJ 910, 143
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Rapid Variability of Sgr A* across the Electromagnetic Spectrum
Witzel, G., Martinez, G., Willner, S.P., Becklin, E.E., Boyce, H., Do, T., Eckart, A., Fazio, G.G., Ghez, A., Gurwell, M.A., Haggard, D., Herrero-Illana, R., Hora, J.L., Li, Z., Liu, J., Machili, N., Morris, Mark R., Smith, Howard A., Subroweit, M., Zensus, J.A., ApJ, 917, 73
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Galactic Center IRS 13E: Colliding Stellar Winds or an Intermediate-mass Black Hole?
Zhu, Zhenlin, Li, Zhiyuan, Ciurlo, Anna, Morris, Mark R., Zhang, Mengfei, Do, Tuan, Ghez, Andrea M., ApJ 897, 135
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On Socially Distant Neighbors: Using Binaries to Constrain the Density of Objects in the Galactic Center
Rose, Sanaea C., Naoz, Smadar, Gautam, Abhimat K., Ghez, Andrea M., Do, Tuan, Chu, Devin, Becklin, Eric, ApJ 904, 113
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Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center
A. Hees, T. Do, B. M. Roberts, A. M. Ghez, S. Nishiyama, R. O. Bentley, A. K. Gautam, S. Jia, T. Kara, J. R. Lu, H. Saida, S. Sakai, M. Takahashi, Y. Takamori, 2020, PRL, 124, 081101
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A population of dust-enshrouded objects orbiting the Galactic black hole
Anna Ciurlo, Randall D. Campbell, Mark R. Morris, Tuan Do, Andrea M. Ghez, Aurélien Hees, Breann N. Sitarski, Kelly Kosmo O’Neil, Devin S. Chu, Gregory D. Martinez, Smadar Naoz, Alexander P. Stephan, 2020, Nature, 577, 337–340
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Consistency of the Infrared Variability of SGR A* over 22 yr
Zhuo Chen, E. Gallego-Cano, T. Do, G. Witzel, A. M. Ghez, R. Schödel, B. N. Sitarski, E. E. Becklin, J. Lu, M. R. Morris, A. Dehghanfar, A. K. Gautam, A. Hees, M. W. Hosek Jr., S. Jia, A. C. Mangian, and K. Matthews, 2019, ApJ, 882, 2
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Unprecedented Near-infrared Brightness and Variability of Sgr A*
Tuan Do, Gunther Witzel, Abhimat K. Gautam, Zhuo Chen, Andrea M. Ghez, Mark R. Morris, Eric E. Becklin, Anna Ciurlo, Matthew Hosek Jr., Gregory D. Martinez, Keith Matthews, Shoko Sakai, Rainer Schödel, 2019, ApJ, 882, 2
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Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole
Tuan Do, Aurelien Hees, Andrea Ghez, Gregory D. Martinez, Devin S. Chu, Siyao Jia, Shoko Sakai, Jessica R. Lu, Abhimat K. Gautam, Kelly Kosmo O’Neil, Eric E. Becklin, Mark R. Morris, Keith Matthews, Shogo Nishiyama, Randy Campbell, Samantha Chappell, Zhuo Chen, Anna Ciurlo, Arezu Dehghanfar, Eulalia Gallego-Cano, Wolfgang E. Kerzendorf, James E. Lyke, Smadar Naoz, Hiromi Saida, Rainer Schödel, Masaaki Takahashi, Yohsuke Takamori, Gunther Witzel, Peter Wizinowich, 2019, Science, 365, 6454, 664–668
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An Adaptive Scheduling Tool to Optimize Measurements to Reach a Scientific Objective: Methodology and Application to Measurements of Stellar Orbits in the Galactic Center
A. Hees, A. Dehghanfar, T. Do, A. M. Ghez, G. D. Martinez, R. Campbell, J. R. Lu, 2019, ApJ, 880, 2
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Improving Orbit Estimates for Incomplete Orbits with a New Approach to Priors: with Applications from Black Holes to Planets
O'Neil, K. Kosmo, Martinez, G. D., Hees, A., Ghez, A. M., Do, T., Witzel, G., Konopacky, Q., Beckli n, E. E., Chu, D. S., Lu, J. R., Matthews, K., Sakai, S., 2019, AJ, 158, 21
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Star Formation in Different Environments: The Initial Mass Function
Hosek, Matthew, Lu, Jessica R., Andersen, Morten, Do, Tuan, Kim, Dongwon, Rui, Nicholas Z., Boyle, Peter, Williams, Benjamin F., Chakrabarti, Sukanya, Beaton, Rachael L., 2019BAAS...51c.439H
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Astro2020 Science White Paper: Envisioning the next decade of Galactic Center science: a laboratory for the study of the physics and astrophysics of supermassive black holes
Tuan Do, Andrea Ghez, Jessica R. Lu, Mark Morris,Matthew Hosek Jr., Aurelien Hees, Smadar Naoz, Anna Ciurlo, Phil Armitage, Rachael L Beaton, Eric Becklin, Andrea Bellini, Rory O. Bentley, Sukanya Chakrabarti, Zhuo Chen, Devin S. Chu, Arezu Dehghanfar, Charles Gammie, Abhimat K. Gautam, Reinhard Genzel, Jenny Greene, Joseph Hora, Wolfgang E. Kerzendorf, Mattia Libralato, Shogo Nishiyama, Kelly Kosmo O’Neil, Feryal Ozel, Hagai Perets, Dimitrios Psaltis, Elliot Quataert, Enrico Ramirez-Ruiz, R Michael Rich, Fred Rasio, Shoko Sakai, Howard Smith, Nevin N. Weinberg, Gunther Witzel, 2019
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The Galactic Center: An Improved Astrometric Reference Frame for Stellar Orbits around the Supermassive Black Hole
Sakai, Shoko, Lu, Jessica R., Ghez, Andrea, Jia, Siyao, Do, Tuan, Witzel, Gunther, Gautam, Abhimat K., Hees, Aurelien, Becklin, E., Matthews, K., Hosek, M. W., Jr., 2019 ApJ, 873
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The Galactic Center: Improved Relative Astrometry for Velocities, Accelerations, and Orbits near the Supermassive Black Hole
Jia, Siyao, Lu, Jessica R., Sakai, S., Gautam, A. K., Do, T., Hosek, M. W., Jr., Service, M., Ghez, A. M., Gallego-Cano, E., Schödel, R., Hees, Aurelien, Morris, M. R., Becklin, E., Matthews, K., 2019, ApJ, 873
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An Adaptive Optics Survey of Stellar Variability at the Galactic Center
Gautam, Abhimat Krishna, Do, Tuan, Ghez, Andrea M., Morris, Mark R., Martinez, Gregory D., Hosek, Matthew W., Jr., Lu, Jessica R.d, Sakai, Shoko, Witzel, Gunther, Jia, Siyao, Becklin, Eric E., Matthews, Keith, 2019 ApJ, 871, 103
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The Unusual Initial Mass Function of the Arches Cluster
Hosek, Matthew W., Jr., Lu, Jessica R., Anderson, Jay, Najarro, Francisco, Ghez, Andrea M., Morris, Mark R., Clarkson, William I., Albers, Saundra M., 2019ApJ...870...44H
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Variability Timescale and Spectral Index of Sgr A* in the Near Infrared: Approximate Bayesian Computation Analysis of the Variability of the Closest Supermassive Black Hole
Witzel, G., Martinez, G., Hora, J., Willner, S. P., Morris, M. R., Gammie, C., Becklin, E. E., Ashby, M. L. N., Baganoff, F., Carey, S., Do, T., Fazio, G. G., Ghez, A., Glaccum, W. J., Haggard, D., Herrero-Illana, R., Ingalls, J., Narayan, R., smith, h. a., 2018apj...863...15w
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Confusing Binaries: The Role of Stellar Binaries in Biasing Disk Properties in the Galactic Center
Naoz, Smadar, Ghez, Andrea M., Hees, Aurelien, Do, Tuan, Witzel, Gunther, Lu, Jessica R., 2018ApJ...853L..24N
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Bounteous black holes at the Galactic Centre
Mark R. Morris, Nature, 556, 319
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Super-solar Metallicity Stars in the Galactic Center Nuclear Star Cluster: Unusual Sc, V, and Y Abundances
Do, Tuan, Kerzendorf, Wolfgang, Konopacky, Quinn, Marcinik, Joseph M., Ghez, Andrea, Lu, Jessica R., Morris, Mark R., 2018ApJ...855L...5D
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The Optical/Near-infrared Extinction Law in Highly Reddened Regions
Hosek, Matthew W., Jr., Lu, Jessica R., Anderson, Jay, Do, Tuan, Schlafly, Edward F., Ghez, Andrea M., Clarkson, William I., Morris, Mark R., Albers, Saundra M., 2018ApJ...855...13H
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Investigating the Binarity of S0-2: Implications for Its Origins and Robustness as a Probe of the Laws of Gravity around a Supermassive Black Hole
Chu, D., Do, T., Hees, A., Ghez, A., Naoz, S., Witzel, G., Sakai, S., Chappell, S., Gautam, A., Lu, J.R., Matthew, K, 2018, 854
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The Post-periapsis Evolution of Galactic Center Source G1: The Second Case of a Resolved Tidal Interaction with a Supermassive Black Hole
Witzel, G., Sitarski, B. N., Ghez, A. M., Morris, M. R., Hees, A., Do, T., Lu, J. R., Naoz, S., Boehle, A., Martinez, G., Chappell, S., Schödel, R., Meyer, L., Yelda, S., Becklin, E. E., Matthews, K., 2017ApJ...847...80W
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Testing General Relativity with Stellar Orbits around the Supermassive Black Hole in Our Galactic Center
Hees, A., Do, T., Ghez, A.M., Martinez, G.D., Naoz, S., Becklin, E.E., Boehle, A., Chappell, S., Chu, D., Dehghanfar, A., Kosmo, K., Lu, J.R., Matthews, K., Morris, M.R., Sakai, S., Schodel, R., Witzel, G., Phys. Rev. Lett. 118, 211101
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An Improved Distance and Mass Estimate from Sgr A* from a Multistar Orbit Analysis
Boehle, A., Ghez, A.M., Schodel, R., Meyer, L., Yelda, S., Albers, S., Martinez, G.D., Becklin, E.E., Do, T., Lu, J.R., Matthews, K., Morris, M.R., Sitarski, B., Witzel, G., 2016, ApJ
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Using Infrared/X-ray Flare Statistics to Probe the Emission regions near the Event Horizon of Sgr A*
Dibi, S., Markoff, S., Belmont, R., Malzac, J., Neilsen, J., Witzel, G., 2016, MNRAS, 461, 552
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The Arches Cluster: Extended Structure and Tidal Radius
Hosek, M. W., Jr., Lu, J. R., Anderson, J., Ghez, A. M., Morris, M. R., Clarkson, W.I., 2015, ApJ, 813, 27
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The X-ray Flux Distribution of Sagittarius A* as seen by Chandra
Neilsen, J.; Markoff, S.; Nowak, M. A.; Dexter, J.; Witzel, G.; Barrière, N.; Li, Y.; Baganoff, F. K.; Degenaar, N.; Fragile, P. C.; Gammie, C.; Goldwurm, A.; Grosso, N.; Haggard, D., 2015, ApJ, 799, 199
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A New Distortion Solution for NIRC2 on the Keck II Telescope
Service, M.; Lu, J. R.; Campbell, R.; Sitarski, B. N.; Ghez, A. M.; Anderson, J., 2016, PASP, 128
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Polarized light from Sagittarius A* in the near-infrared Ks-band
Shahzamanian, B.; Eckart, A.; Valencia-S., M.; Witzel, G.; Zamaninasab, M.; Sabha, N.; García-Marín, M.; Karas, V.; Karssen, G. D.; Borkar, A.; Dovčiak, M.; Kunneriath, D.; Bursa, M.; Buchholz, R.; Moultaka, J.; Straubmeier, C., 2016, Astronomy Astrophysics, 576
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Mapping the Outer Edge of the Young Stellar Cluster in the Galactic Center
Støstad, M.N., Do, T., Murray, N., Lu, J., Yelda, S., Ghez, A.M., 2015, ApJ, 808, 106
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Circumstellar Discs in Galactic Center Clusters: Disc-bearing B-type Stars in the Quintuplet and Arches Clusters
Stolte, A.; Hubbmann, B.; Olczak, C.; Brandner, W.; Habibi, M.; Ghez, A.M.; Morris, M.R.;
Lu, J.R.; Clarkson, W.I.; Anderson, J. 2015, A&A, 578, 4
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Detection of Galactic Center Source G2 at 3.8 micron during Periapse Passage
Witzel, G; Ghez, A.M.; Morris, M.R.; Sitarski, B.N.; Boehle, A,; Naoz, S.; Campbell, R,; Becklin, E.E.; Canalizo, G.; Cappell, S.; Do, T.; Lu, J.R.; Matthews, K.; Meyer, L.; Stockton, A.; Wizinowich, P.; Yelda, S.
2014, ApJL, L8, 6
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Spitzer/IRAC Observations of the Variability of Sgr A* and the Object G2 at 4.5 microns
Hora, J.L.; Witzel, G.; Ashby, M.L.N.; Becklin, E.E.; Carey, S.; Fazio, G.G.; Ghez, A.; Ingalls, J.; Meyer, L.; Morris, M.R.; Smith, H.A.; Willner, S.P.;
2014, ApJ, 793, 120
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A Formal Method for Identifying Distinct States of Variability in Time-varying Sources: Sgr A* as an Example
Meyer, L.; Witzel, G.; Longstaff, F.A.; Ghez, A.M.
2014, ApJ, 791, 24M
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The Intrinsic Two-dimensional Size of Sagittarius A*
Bower, Geoffrey C.; Markoff, Sera ; Brunthaler, Andreas ; Law, Casey ; Falcke, Heino ; Maitra, Dipankar ; Clavel, M.; Goldwurm, A.; Morris, M.R.; Witzel, Gunther ; Meyer, Leo ; Ghez, A.M.;
2014, ApJ, 790, 1
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The Orbital Motion of the Quintuplet Cluster—A Common Origin for the Arches and Quintuplet Clusters?
Stolte, A.; Hubmann, B.; Morris, M.R.; Ghez, A.M.; Brandner, W.; Lu, J.R.; Clarkson, W.I.; Habibi, M.; Matthews, K.;
2014, ApJ, 789, 115
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Near infrared variability of Sgr A* - spectral index measurements
Witzel, G.; Morris, M.; Ghez, A.; Meyer, L.; Becklin, E.; Matthews, K.; Lu, J.R.; Do, T.; Campbell, R.;
2014, Proceedings of the IAU, 303, 274
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The Keplerian orbit of G2
Meyer, L.; Ghez, A.M.; Witzel, G.; Do, T.; Phifer, K.; Sitarski, B.N.; Morris, M.R.; Boehle, A.; Yelda, S.; Lu, J.R.; Becklin, E.;
2014, Proceedings of the IAU, 303, 264
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Young stars in the Galactic center
Lu, J.R.; Ghez, A.M.; Morris, M.R.; Clarkson, W.; Stolte, A.; Do, T.; Yelda, S.; Anderson, J.;
2014, Proceedings of the IAU, 303, 211
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Regularized OSIRIS 3D spectroscopy at the circumnuclear disk ionization front
Paumard, T.; Morris, M.R. ; Do, T.; Ghez, A.;
2014, Proceedings of the IAU, 303, 109
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Detection of Galactic Center Source G2 at 3.8 micron during Periapse Passage Around the Central Black Hole
Ghez, A.M.; Witzel, G.; Sitarski, B.; Meyer, L.; Yelda, S.; Boehle, A.; Becklin, E.E.; Campbell, R.; Canalizo, G.; Do, T.; Lu, J.R.; Matthews, K.; Morris, M.R.; Stockton, A.;
2014, ATel, 6110
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Properties of the Remnant Clockwise Disk of Young Stars in the Galactic Center
Yelda, S.; Ghez, A. M.; Lu, J. R.; Do, T.; Meyer, L.; Morris, M. R.; Matthews, K.
2014, ApJ, 783, 131
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Three-dimensional Stellar Kinematics at the Galactic Center: Measuring the
Nuclear Star Cluster Spatial Density Profile, Black Hole Mass, and Distance
Do, T.; Martinez, G. D.; Yelda, S.; Ghez, A.; Bullock, J.; Kaplinghat, M.; Lu, J. R.; Peter, A. H. G.; Phifer, K.
2013, ApJ, 779, L6
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Keck Observations of the Galactic Center Source G2: Gas Cloud or Star?
Phifer, K.; Do, T.; Meyer, L.; Ghez, A. M.; Witzel, G.; Yelda, S.; Boehle, A.; Lu, J. R.; Morris, M. R.; Becklin, E. E.; Matthews, K.,
2013, ApJ, 773, L13
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The Stellar Population in the Central 0.5 pc of the Galaxy. II. The Initial Mass Function
Lu, J. R.; Do, T.; Ghez, A. M.; Morris, M. R.; Yelda, S.; Matthews, K.;
2013, ApJ, 764, 155
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The Stellar Population in the Central 0.5 pc of the Galaxy. I. A New Method for Constructing Luminosity Functions and Surface-density Profiles
Do, T.; Lu, J. R.; Ghez, A. M.; Morris, M. R.; Yelda, S.; Martinez, G. D.; Wright, S. A.; Matthews, K.,
2013, ApJ, 764, 154
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Holographic imaging of crowded fields: high angular resolution imaging with excellent quality at very low cost
Schödel, R.; Yelda, S.; Ghez, A.; Girard, J. H.; Labadie, L.; Rebolo, R.; Pérez-Garrido, A.; Morris, M. R.,;
2013, MNRAS, 429, 1367
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The Shortest-Known-Period Star Orbiting Our Galaxy’s Supermassive Black Hole
Meyer, L.; Ghez, A.M.; Schödel, R.; Yelda, S.; Boehle, A.; Lu, J.R.; Do, T.; Morris, M.R.; Becklin, E.E.; Matthews, K.,
2012, Science, 338, 84
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Galactic center research: manifestations of the central black hole
Morris, M.R.; Meyer, L.; Ghez, A.M.,
2012, RAA, 12, 995
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Modeling anisoplanatism in the Keck II laser guide star AO system
Fitzgerald, M.P. ; Witzel, G.; Britton, M.C. ; Ghez, A.M. ; Meyer, L.; Sitarski, B.N. ; Cheng, C.; Becklin, E.E. ; Campbell, R.D. ; Do, T.; Lu, J.R. ; Matthews, K.; Morris, M.R. ; Neyman, C.R. ; Tyler, G.A. ; Wizinowich, P.L. ; Yelda, S.;
2012, SPIE, 844724
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Adaptive optics observations of the galactic center young stars
Yelda, S.; Ghez, A.M.; Lu, J.R.; Do, T.; Meyer, L.; Morris, M.R.
2012, SPIE, 84470A
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Bringing our Galaxy's Central Supermassive Black Hole and its Environs into Focus with Laser Guide Star Adaptive Optics
Ghez, A.M.; Morris, M.R.; Do, T.; Yelda, S.; Lu, J.R.; Matthews,K.;
2012, Twelfth Marcel Grossmann Meeting on General Relativity
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Measuring the stellar luminosity function and spatial density profile of the inner 0.5 pc of the Milky Way nuclear star cluster
Do, T.; Ghez, A.M.; Lu, J.R.; Morris, M.R.; Yelda, S.; Martinez, G.D.; Peter, A.H.G.; Wright, S.; Bullock, J.; Kaplinghat, M.; Matthews, K.;
2012, Journal of Physics: Conference Series, 372, 1
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Proper Motions of the Arches Cluster with Keck Laser Guide Star Adaptive Optics: The First Kinematic Mass Measurement of the Arches
Clarkson, W.I.; Ghez, A.M.; Morris, M.R.; Lu, J.R.; Stolte, A.; McCrady, N.; Do, T.; Yelda, S.
2012, ApJ, 751, 132
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Clarifying our View of Star Formation in Massive Young Clusters with Adaptive Optics
Lu, J.R.; Clarkson, W.; McCrady, N.; Ghez, A.M.; Morris, M.R.; Stolte, A.; Yelda, S.; Do, T.;
2011, ASP Proceedings of the UP2010 Conference, Sedona, Arizona
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Testing Stellar Cusp Formation Theories with Observations of the Milky Way Nuclear Star Cluster
Do, T.; Ghez, A.M.; Morris, M.R.; Lu, J.R.; Matthews, K.; Yelda, S.; Wright, S.; Larkin, J.,
2011, Proceedings of the Galactic Center Workshop 2009, Shanghai
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Increasing the Scientific Return of Stellar Orbits at the Galactic Center
Yelda, S.; Ghez, A.M.; Lu, J.R.; Do, T.; Clarkson, W.; Matthews, K.;
2011, Proceedings of the Galactic Center Workshop 2009, Shanghai
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Using LGS AO to Measure the Arches Mass Function
McCrady, N. ; Lu, J. ; Clarkson, W. ; Ghez, A. ; Morris, M. R. ; Stolte, A. ; Yelda, S.
2011, Proceedings of the Galactic Center Workshop 2009, Shanghai
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A Sharper Look at the Motion of Stars in the Arches with Keck-LGS Adaptive Optics
Clarkson, W. ; Lu, J. R. ; Ghez, A. M. ; Morris, M. R. ; McCrady, N. ; Stolte, A. ; Yelda, S.
2011, Proceedings of the Galactic Center Workshop 2009, Shanghai
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The Orbital Motion and Formation of Star Clusters in the Centre of the Galaxy
Stolte, A.; Morris, M.; Ghez, A.; Clarkson, W.; Hussmann, B.; McCrady, N.; Lu, J.R.; Matthews, K.;
2011, Proceedings of the Stellar Clusters & Associations Conference 2011, Granada
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Improving Galactic Center Astrometry by Reducing the Effects of Geometric Distortion
Yelda, S.; Lu, J.R.; Ghez, A.M.; Clarkson, W.; Anderson, J.; Do, T.; Matthews, K.;
2010, ApJ, 725, 331,
NIRC2 Narrow Camera Distortion Solution
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Disks in the Arches Cluster—Survival in a Starburst Environment
Stolte, A.; Morris, M.R.; Ghez, A.M.; Do, T.; Lu, J.R.; Wright, S.A.; Ballard, C.; Mills, E.; Matthews, K.;
2010, ApJ, 718, 810
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Recent results and perspectives for precision astrometry and photometry with adaptive optics
Lu, J.R.; Ghez, A.M.; Yelda, S.; Do, T.; Clarkson, W.; McCrady, N.; Morris, M.;
2010, SPIE, 77361I
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The orbital motion of the Arches cluster: clues on cluster formation near the Galactic Center
Stolte, A.; Ghez, A.; Morris, M.; Lu, J.; Brandner, W.; Matthews, K.;
2009, Astrophysics and Space Science, 324, 137
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The Galactic Center: A Laboratory for Fundamental Astrophysics and Galactic Nuclei
Ghez, A.; Morris, M.; Lu, J.; Weinberg, N.; Matthews, K.; Alexander, T.; Armitage, P.;
Becklin, E.; Brown, W.; Campbell, R.; Do, T.; Eckart, A.; Genzel, R.; Gould, A.;
Hansen, B.; Ho, L.; Lo, F.; Loeb, A.; Melia, F.; Merritt, D.; Milosavljevic, M.;
Perets, H.; Rasio, F.; Reid, M.; Salim, S.; Schoedel, R.; Yelda, S.;
2009, An ASTRO2010 White Paper
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High Angular Resolution Integral-Field Spectroscopy of the Galaxy's Nuclear Cluster: A Missing Stellar Cusp?
Do, T.; Ghez, A.M.; Morris, M.R.; Lu, J.R.; Matthews, K.; Yelda, S.; Larkin, J.;
2009, ApJ, 703, 1323
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A power-law break in the near-infrared power spectrum of the Galactic center black hole
Meyer, L.; Do, T.; Ghez, A.M.; Morris, M.R.; Yelda, S.; Schoedel, R.; Eckart, A.;
2009, ApJ, 694, L87
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A Near-Infrared Variability Study of the Galactic Black Hole: A Red Noise Source with NO Detected Periodicity
Do, T.; Ghez, A.M.; Morris, M.R.; Yelda, S.; Meyer, L.; Lu, J.R.; Hornstein, S.D.; Matthews, K.;
2009, ApJ, 691, 1021
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A Disk of
Young Stars at the Galactic Center as Determined by Individual Stellar Orbits
J. R. Lu; A. M. Ghez; S. D. Hornstein; M. R. Morris; E. E. Becklin; K. Matthews,
2009, ApJ, 690, 1463
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Measuring
Distance and Properties of the Milky Way's Central Supermassive Black Hole with
Stellar Orbits
A. M. Ghez; S. Salim; N. N. Weinberg; J. R. Lu; T. Do; J. K. Dunn; K. Matthews;
M. R. Morris; S. Yelda; E. E. Becklin; T. Kremenek; M. Milosavljevic; J. Naiman,
2008, ApJ, 689, 1044
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A 600 Minute Near-Infrared
Light Curve of Sagittarius A*
L. Meyer; T. Do; A. M. Ghez; M. R. Morris; G. Witzel; A. Eckart; G. Belanger; R. Schoedel,
2008, ApJL, 688, L17
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First VLTI infrared
spectro-interferometry on GCIRS 7. Characterizing the prime reference source for
Galactic center observations at highest angular resolution
Pott, J.-U.; Eckart, A.; Glindemann, A.; Kraus, S.; Schoedel, R.; Ghez, A. M.;
Woillez, J.; Weigelt, G.;
2008, A&A, 487, 413
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An X-Ray, Infrared, and Submillimeter Flare of Sagittarius A*
Marrone, D.P.; Baganoff, F.K.; Morris, M.R.; Moran, J.M.; Ghez, A.M.; Hornstein, S.D.; Dowell, C.D.; Muñoz, D.J.; Bautz, M.W.; Ricker, G.R.; Brandt, W.N.; Garmire, G.P.; Lu, J.R.; Matthews, K.; Zhao, J.-H.; Rao, R.; Bower, G.C.
2008, ApJ, 682, 373
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The orbital motion of the
Arches cluster — clues on cluster formation near the galactic center
A. Stolte; A. M. Ghez; M. R. Morris; J. R. Lu; W. Brandner; K. Matthews;
2008, Journal of Physics: Conference Series, 131, 012015
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Science with large-aperture
infrared interferometry — size does matter or talking about a new tool to study the
galactic center
Pott, J.; Eckart, A.; Ghez, A.M.; Kraus, S.;
2008, Journal of Physics: Conference Series, 131, 012014
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Orbits and origins of the
young stars in the central parsec of the galaxy
Lu, J. R.; Ghez, A. M.; Morris, M.; Hornstein, S. D.; Matthews, K.;
2008, Journal of Physics: Conference Series, 131, 012012
-
Testing for periodicities
in near-IR light curves of Sgr A*
Do, T.; Ghez, A. M.; Morris, M.; Yelda, S.; Lu, J. R.; Hornstein, S. D.; Matthews, K.,
2008, Journal of Physics: Conference Series, 131, 012003
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The Proper Motion of the
Arches Cluster with Keck Laser-Guide Star Adaptive Optics
Stolte, A.; Ghez, A.M.; Morris, M.R.; Lu, J.R.; Brandner, W.; Matthews, K.;
2008, ApJ, 675, 1278
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A Constant Spectral Index for Sagittarius A* during Infrared/X-Ray
Intensity Variations
Hornstein, S.D.; Matthews, K.; Ghez, A.M.; Lu, J.R.; Morris, M.; Becklin, E.E.;
M. Rafelski; F. K. Baganoff;
2007, ApJ, 667, 900
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Photometric Stellar Variability in the Galactic Center
Rafelski, M.; Ghez, A. M.; Hornstein, S. D.; Lu, J. R.; Morris, M.;
2007, ApJ, 659, 1241
-
Short-term variability of Sgr A*
Morris, M.R.; Hornstein, S.D.; Ghez, A.M.; Lu, J.R.; Matthews, K.; Baganoff, F.K.
2007, Proceedings of IAU Symposium 238, Prague
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Galactic Center Youth: Orbits and Origins of the Young Stars in the Central Parsec
Lu, J. R.; Ghez, A. M.; Hornstein, S. D.; Morris, M.; Matthews, K.; Thompson, D. J.; Becklin, E. E.;
2006, Journal of Physics: Conference Series, 54, 279
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Infrared/X-ray intensity variations and the color of Sgr A*
Hornstein, S. D.; Matthews, K.; Ghez, A. M.; Lu, J. R.; Morris, M.; Becklin, E. E.; Baganoff, F. K.; Rafelski, M.;
2006, Journal of Physics: Conference Series, 54, 399
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Photometric Stellar Variability in the Galactic Center
Rafelski, M.; Ghez, A. M.; Hornstein, S. D.; Lu, J. R.; Morris, M.;
2006, Journal of Physics: Conference Series, 54, 316
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The Arches cluster - evidence for a truncated MF in the GC?
Stolte, A.,
2006, Journal of Physics: Conference Series, 54, 217
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Orbits and Origins of the Young Stars in the Central Parsec
Lu, J.R.; Ghez, A.M.; Hornstein, S.D.; Morris, M.; Matthews, K.; Thompson, D.J.; Becklin, E.E.
2006, Galactic Center Newsletter, 25, 7
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The First Laser Guide Star Adaptive Optics Observations of the Galactic Center: Sgr A*'s Infrared Color and the Extended Red Emission in its Vicinity
Ghez, A.M.; Hornstein, S.D.; Lu, J.R.; Bouchez, A.; Le Mignant, D.; van Dam, M.A.; Wizinowich, P.; Matthews, K.; Morris, M.; Becklin, E.E.; Campbell, R.D.; Chin, J.C.Y.; Hartman, S.K.; Johansson, E.M.; Lafon, R.E.; Stomski, P.J.; Summers, D.M.;
2005, ApJ, 635, 1087
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IRS 16 SW: A New Comoving Group of Young
Stars in the Central Parsec of the Milky Way
Lu, J.R.; Ghez, A.M.; Hornstein, S.D.; Morris, M.; Becklin, E.E.;
2005, ApJ, 625, L51
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Stellar Bow Shocks in the Northern Arm of the Galactic Center: More Members and Kinematics of the Massive Star Population
Tanner, A.; Ghez, A.M.; Morris, M.R.; Christou, J.C.;
2005, ApJ, 624, 742
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Stellar Orbits Around the Galactic Center Black Hole
Ghez, A.M.; Salim, S.; Hornstein, S.D.; Tanner, A.; Lu, J.R.; Morris, M.; Becklin, E.E.; Duchene, G.;
2005, ApJ, 620, 744
-
Recent Advances Made with a Decade of Diffraction-Limited Data From the W. M.
Keck 10 meter Telescopes
Ghez, A.M.,
2004, Galactic Center Newsletter, 17, 11
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Variable Infrared Emission from the Supermassive Black Hole at the Center of the Milky Way
Ghez, A.M.; Wright, S.A.; Matthews, K.; Thompson, D.; Le Mignant, D.; Tanner, A.; Hornstein, S.D.; Morris, M., Becklin, E.E.; Soifer, B.T.;
2004, ApJ, 601, L159
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The First Measurement of Spectral Lines in a Short-Period Star Bound to the
Galaxy's Central Black Hole: A Paradox of Youth
Ghez, A.M.; Wright, S.A.; Matthews, K.; Thompson, D.; Le Mignant, D.; Tanner, A.; Hornstein, S.D.; Morris, M.; Becklin, E.E.; Soifer, B.T.;
2003, ApJL, 586, 127L
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A Trip to the Galactic Center
Tanner, A.,
2003, Sky and Telescope, 105, 44
-
Full Three Dimensional Orbits For Multiple Stars on Close Approaches to the Central Supermassive Black Hole
Ghez, A. M.; Becklin, E.E.; Duchene, G.; Hornstein, S.; Morris, M.; Salim, S.; Tanner, A.;
2003, "The central 300 parsecs of the Milky Way" conference proceedings
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Resolving The Northern Arm Sources at the Galactic Center
Tanner, A. M., Ghez, A. M., Morris, M., Becklin, E. E.,
2003, "The central 300 parsecs of the Milky Way" conference proceedings
-
Limits on the Short-Term Variability of Sgr A* in the Near-Infrared
Hornstein, S., Ghez, A.M., Tanner, A., Morris, M., Becklin, E.E., Wizinowich, P.,
2003, "The central 300 parsecs of the Milky Way" conference proceedings
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Spatially Resolved Observations of the Galactic Center
Source, IRS 21
Tanner, A.,M., Ghez, A., Morris, M., Becklin, E., Cotera, A., Ressler, M.,
Werner, M., Wizinowich, P.
2002, ApJ, 575, 860
-
Limits on the Short-Term Variability
of Sgr A* in the Near-Infrared
Hornstein, S., Ghez, A.M., Tanner, A., Morris, M., Becklin, E.E.,
Wizinowich, P., 2002, ApJ, 577, L9
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Adaptive Optics Near-Infrared Spectroscopy of the Sagittarius A* Cluster
Gezari, S.; Ghez, A. M.; Becklin, E. E.; Larkin, J.; McLean, I. S.; Morris, M., 2002, ApJ, 576, 790
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Towards Complete Stellar Orbits Around the Galaxy's Central Black Hole: The First Acceleration Measurements
Ghez, A. M. ; Kremenek, T. ; Tanner, A. ; Morris, M. ; Becklin, E.;
2001, Proceedings of "Black Holes in Binaries and Galactic Nuclei"
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The Keck Proper Motion Study of the Galaxy's Central Stellar Cluster: From Speckle Imaging and Velocities to Adaptive Optics and Accelerations
Ghez, A. M. ; Morris, M. R. ; Becklin, E. E. ; Kremenek, T. ; Tanner, A.
2001, Proceedings of "Dynamics of Star Clusters and the Milky Way", San Franciso
-
The Accelerations of Stars orbiting the Milky Way's
Central Black Hole
Ghez, A,M, Morris, M, Becklin, E,E, Tanner,
A, Kremenek, T, 2000, Nature, 407, 349
-
Is the galactic center source, IRS 21, as large as it appears?
Tanner, A.; Ghez, A.M.; Morris, M.; Becklin, E.E.; Cotera, A.; Ressler, M.E.;
2000, SPIE, 4005, 180
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Dynamical Evidence for a Supermassive Black Hole at the Center of the Milky Way
Ghez, A. M., Morris, M., Becklin, E. E.,
1999, "Galaxy Dynamics, proceedings of conference helt at Rutgers University", 8-12 Aug 1998
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Spatially Resolved Dust Shells in the Central Parsec
Tanner, A. M. ; Ghez, A. M. ; Morris, M. ; Becklin, E. E.
1999, ASP Proceedings of "The central parsecs of the Galaxy", 186, 351
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Mid-Infrared Imaging of the Central Parsec with Keck
Cotera, A. ; Morris, M. ; Ghez, A. M. ; Becklin, E. E. ; Tanner, A. M. ; Werner, M. W. ; Stolovy, S. R.;
1999, ASP Proceedings of "The central parsecs of the Galaxy", 186, 240
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High Proper Motion Stars in the Vicinity of SGR A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy
Ghez, A. M. ; Morris, M. ; Becklin, E. E.
1999, ASP Proceedings of "The central parsecs of the Galaxy", 186, 18
-
The galactic center black hole: clues for the evolution of black holes in galactic nuclei
Morris, Mark ; Ghez, A. M. ; Becklin, E. E.
1999, Advances in Space Research, 23, 959
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High Proper-Motion Stars in the Vicinity of Sagittarius A*: Evidence for a Supermassive
Black Hole at the Center of Our Galaxy
Ghez, A. M.; Klein, B. L.; Morris, M.; Becklin, E. E., 1998, ApJ, 509, 678
-
High proper motions in the vicinity of Sgr A*: unambiguous evidence for a massive central black hole
Ghez, A. M. ; Klein, B.L.; McCabe, C.; Morris, M. ; Becklin, E. E.
1999, Proceedings of IAU 184, "The central regions of the Galaxy", Kyoto
-
12.5 micron imaging of Sgr A West with the Keck Telescope
Becklin, E. E. ; Morris, M. ; Figer, D. F. ; Ghez, A. M. ; Puetter, R. ; Jones, B.
1998, Proceedings of IAU 184, "The central regions of the Galaxy", Kyoto
-
2.2 micron Keck Images of the Galaxy's Central Stellar Cluster at 0.05 arcsec Resolution
Klein, B. L. ; Ghez, A. M. ; Morris, M. ; Becklin, E. E.
1996, ASP Proceedings of "The Galactic Center", La Serena