Next Meeting:
| Date | Speaker | Title/Paper | Reference |
|---|---|---|---|
| 2012 Thursday November 15, 1:00pm | Kim | G2 Observations | |
| 2012 Monday November 5, 1:30pm | Kim | G2 Observations | |
| 2012 Friday October 19, 10:00am | Kim | New Observations of the gas gloud G2 in the Galactic Center | Murray-Clay and Loeb 2012 |
| 2012 Friday October 12, 10:00am | Kim | New Observations of the gas gloud G2 in the Galactic Center G2 Discussion | Gillessen et al. 2012b |
| 2012 Wednesday October 3, 2:00pm | Sylvana | Young Stars Paper | |
| 2012 Thursday September 27, 2:30pm | Group | PR associated with Science publication of S0-102 | |
| 2012 Friday August 24, 11:00am | Tuan Group | G2 Discussion Keck Proposals | |
| 2012 Thursday August 16, 1:00pm | Tuan | G2 Discussion | |
| 2012 Friday August 10, 10:30am | Jessica | IMF paper | |
| 2012 Friday August 9, 10:00am | Tuan | G2 Discussion | |
| 2012 Friday July 27, 3:00pm | Sylvana | Practice Defense Talk | |
| 2012 Friday July 13, 3:00pm | Gunther | Source-intrinsic near-infrared properties of Sgr A*: Total intensity measurements | Witzel et al. 2012 |
| 2010 Friday August 27, 3:30pm | Volunteer (TBD) | Cometary shaped sources at the Galactic Center; Evidence for a wind from the central 0.2 pc | Muzic et al. 2010 |
| 2010 Friday August 19, 3:30pm | Group | Progress Update | |
| 2010 Friday August 06, 3:30pm | Volunteer (TBD) | Resonant relaxation and the warp of the stellar disc in the Galactic centre | Kocsis & Tremaine 2010 |
| 2010 Friday July 30, 3:30pm | Group | Progress Update (observing) | |
| 2010 Friday July 23, 3:00pm | Will Clarkson | Arches Central field: dispersion paper | Current version |
| 2010 Friday July 16, 3:30pm | Group | Progress Update | |
| <2010 Friday July 9, 3:30pm | Andy Stolte | Internal dynamics and membership of the NGC 3603 young cluster from microarcsecond astrometryPostponed | Rochau et al. 2010 |
| 2010 Tuesday June 29, 1pm | Group | Observation planning and progress Update | |
| 2010 Friday June 25, 11:00am | Hendrik Bartko (Max Planck Institut) | The Power of Precision: Stellar orbits around Sgr A* | Visitor talk |
| 2010 Thursday June 17, 3:30pm | Group | Progress Update | |
| 2010 Friday June 11 | Will Clarkson | High-precision astrometry with MICADO at the European Extremely Large Telescope | Trippe et al. 2010 MNRAS |
| 2010 Friday May 21 | Andrea Ghez | The origin of S-Stars and a young stellar disk: distribution of debris stars of a sinking star cluster | Fujii et al. ApJL submitted |
| 2010 Friday May 7 | - | No regular meeting - observing | |
| 2010 Friday April 30, 2pm | Andrea Ghez | The origin of S-Stars and a young stellar disk: distribution of debris stars of a sinking star cluster (Canceled) | Fujii et al. ApJL submitted |
| 2010 Friday April 23 at 3:30pm | Sylvana Yelda | Constraining the initial mass function of stars in the Galactic Centre | Loeckmann, Baumgardt, and Kroupa MNRAS 2010 |
| 2010 Friday April 16th, 3pm | Group | Observation planning - II | |
| 2010 Tuesday April 13th at 3pm | Jessica Lu | GC-IRS13E - An association of three puzzling early-type stars | Fritz et al. 2010 ApJ Submitted |
| 2010 Tuesday April 13th, 10:00am, Remote ops room | Tuan Do & Sylvana Yelda | Tech Meeting: Align - weighting and astrometry - II | |
| 2010 Tuesday April 6th at 3pm | Mark Morris | Discovery of a superluminal Fe K echo at the Galactic Center: The glorious past of Sgr A* preserved by molecular clouds | Ponti et al. 2010 ApJ in press |
| 2010 Monday April 5th, 1pm | Tuan Do & Sylvana Yelda | Tech Meeting:Align - weighting and astrometry | |
| 2010 Friday April 2nd 11am | Will Clarkson | What is limiting near-infrared astrometry in the Galactic Centre? | Fritz et al. 2009 MNRAS |
| 2010 Thursday April 1st | . | Observation planning - I | |
| 2010 Friday March 26th | - | No meeting | |
| 2010 Friday March 19th | Tuan Do | Near infrared flares of Sagittarius A*; Importance of near infrared polarimetry | Zamaninasab et al. 2010 accepted |
| 2010 Friday March 12th | - | No meeting -- 2010B Keck deadline | |
| 2010 Friday March 5th, 3pm | Jessica Lu | A Universal Stellar Initial Mass Function? A Critical Look at Variations | Bastian, Covey & Meyer 2010 ARA&A in press (Sections 1, 2 and 5.2 will be discussed.) |
| 2010 Tuesday Feb 23, 10am | Tuan Do | HST Proposal | Version as of 12th Feb |
| 2010 Friday Feb 19th | Mark Morris | A lower limit of 50 microgauss for the magnetic field near the Galactic Centre | Crocker et al. 2010 Nature Supplemental information |
| 11:00am 2010 Friday Feb 5th | Betsy Mills | Sgr B2 and the distance to the galactic center | Ryu et al. 2009 PASP Reid et al. 2009 ApJ |
| 9:30am Weds Dec 16 | Matt Malkan | Analysing the innermost dust in Seyfert nuclei with the Keck Interferometer; the peculiar case of NGC 4151 | Pott et al. 2010 in prep |
| 2009 Friday Dec 04 10:30am | Mark Morris | YSOs in the GC environment | An et al. 2009c |
| 2009 Tues 3pm Dec 01 | Sylvana Yelda | Tech Meeting NIRC2 Distortion II - revenge of the deltas | Yelda et al. 2009 latest version |
| 2009 Tues 3pm Nov 24 | Sylvana Yelda | Tech Meeting NIRC2 Distortion | Yelda et al. 2009 latest version |
| 2009 10am, Weds Nov 18 | Tuan Do | The IMF in the galactic center | Bartko et al. 2009b |
| 2009 3pm, Thurs Oct 15 | Tuan Do and Sylvana Yelda | Shanghai Practice Talks | |
| 2009 1pm, Thur Oct 8 | Clifford Will, Washington University, St. Louis | Cosmic Barbery: Counting the Hairs on the Head of a Black Hole | |
| 2009 Oct 2 | Sylvana Yelda | An improved distortion solution for Keck/NIRC2 | Yelda et al. 2009 in final prep |
| 2009 Fri Sep 25, 3:30pm | Will Clarkson | Technical Meeting Accurate photometry with AO in the presence of anisoplanatic effects with a sparsely sampled PSF -- The Galactic center as example of a challenging target for accurate AO photometry | Schoedel et al. 2009c in prep |
| 2009 Tues Sep 22, 2:30pm | Quinn Konopacky | High Precision Dynamical Masses of Very Low Mass Binaries | Konopacky et al. 2009 |
| 2009 Sep 01, 2:30pm | Andrea Ghez | What and How to observe with Keck (deadline: september 11) | Ghez et al. 2009 Keck prop in prep |
| 2009 Aug 28 | Tuan Do | Extinction Map of the Galactic Center region | Schodel et al. 2009b in prep (UPDATED) |
| 2009 Aug 18 Tues 3pm | Kim Phifer | Investigation of the open orbit of S0-2 at the Galactic Center: Unseen companion to the Galaxy's central black hole or imperfect reference frame? | Summer undergraduate research program: practice talk | 2009 Aug 14 | Kim Phifer | Influence of a stellar cusp on the dynamics of young stellar discs and the origin of the S-stars in the Galactic Centre | Lockmann, Baumgardt and Kroupa 2009 MNRAS accepted |
| 2009 Aug 7 | Will Clarkson | The massive star initial mass function of the Arches cluster | Espinoza et al. 2009 | 2009 Thurs July 30 | Marshall Perrin | Unraveling the Innermost Regions of Transitional Disks with the Keck Interferometer | Pott et al. 2009 submitted |
| 2009 July 10 | Sylvana Yelda | A New Secular Instability of Eccentric Stellar Disks around Supermassive Black Holes, with Application to the Galactic Center | Madigan, Levin & Hopman 2009 |
| 2009 June 19 | Andrea Stolte | The origin of large peculiar motions of star-forming regions and spiral structures of our Galaxy | Baba et al. (2009) |
| 2009 June 12 | Mark Morris | Dynamics of Ionized Gas at the Galactic Center: VLA Observations of the 3D Velocity Field and Location of the Ionized Streams in Sagittarius A West | Zhao, Morris, Goss & An 2009 |
| 2009 June 1 | Quinn Konopacky | Gravitational fragmentation and the formation of brown dwarfs in stellar clusters | Bonnell, Clark & Bate 2008 |
| 2009 May 15 | Nate McCrady | Evolution of Nuclear Star Clusters | Merritt 2009 | 2009 Apr 23 | Will Clarkson | * The chemical abundances in the Galactic Centre from the atmospheres of Red Supergiants * Chemical abundance patterns in the inner Galaxy: the Scutum Red Supergiant Clusters | Davies et al. 2009a and Davies et al. 2009b |
| 2009 Apr 10 | Tuan Do | Spectroscopic measurements of the structure of the Galaxy's nuclear cusp at high angular resolution | Do et al. 2009 |
| 2009 Mar 30 | Michal Bregman | Accretion disk warping by resonant relaxation: The case of maser disk NGC 4258 | Abstract |
| 2009 Mar 20 | Mark Morris | Gas infall towards Sgr A* from the clumpy circumnuclear disk | Montero-Castano et al. 2009 |
| 2009 Mar 6 | Jessica Lu | The warped young stellar disc in the Galactic Centre | Subr et al. 2008 |
| 2009 Feb 27 | Tuan Do | The evolution of runaway stellar collision products | Glebbeek et al. 2009 |
| 2009 Feb 13 | Rainer Schoedel | Composition of the galactic center star cluster: Population analysis from adaptive optics narrow band spectral energy distributions | Bucholz, Schoedel & Eckart 2009 |
| 2009 Feb 6 | Nate McCrady | Star Formation Around Supermassive Black Holes | Bonnell & Rice 2008 |
| 2009 Jan 23/26 | Rainer Schoedel | The nuclear star cluster of the Milky Way: Proper motions and mass | Schoedel, Merritt & Eckart 2009 (revised version) |
| 2009 Jan 16 | Sylvana Yelda | Explaining the Orbits of the Galactic Center S-Stars | Merritt et al. 2008 |
| 2008 Dec 12 | Jessica Lu | Evidence for Warped Disks of Young Stars in the Galactic Center | Bartko et al. 2008 |
| 2008 Dec 5 | Leo Meyer | A power-law break in the near-infrared power spectrum of the Galactic center black hole | Meyer et al. 2008 |
| 2008 Nov 21 | Andrea Ghez | Monitoring stellar orbits around the Massive Black Hole in the Galactic Center | Gillessen et al. 2008 |
| 2008 Nov 14 | Betsy Mills | Proper Motions in the Galactic Bulge: Plaut's Window | Vieira et al. 2007 |
| 2008 Oct 24 | Nate McCrady | The Sizes and Luminosities of Massive Star Clusters | Murray 2008 |
| 2008 Oct 10/17 | Sylvana Yelda | Kinematics of the old stellar population at the Galactic Center | Trippe et al. 2008 |
| 2008 Oct 6 | Tuan Do | Strong mass segregation around a massive black hole | Alexander & Hopman 2008 |
| 2008 Sep 26 | Jörg-Uwe Pott | The Mid-Infrared Extinction Law in the Ophiuchus, Perseus, and Serpens Molecular Clouds | Chapman et al. 2008 |
| 2008 Aug 27 | Leo Meyer | Active Galactic Nuclei as scaled-up Galactic black holes | McHardy et al. 2006 |
| 2008 Aug 15 | Quinn Konopacky | Dynamical mass of the Substellar Benchmark Binary HD 130948BC | Dupuy et al. 2008 |
| 2008 Aug 8 | Jörg-Uwe Pott | Milliarcsecond angular resolution of reddened stellar sources in the vicinity of the Galactic Center | Richichi et al. 2008 |
| 2008 July 25 | Tuan Do | The rotating Nuclear Star Cluster in NGC 4244 | Seth et al. 2008 |
| 2008 July 18 | Jessica Lu | Massive Star Formation in the Molecular Ring Orbiting the Black Hole at the Galactic Center | Yusef-Zadeh et al. 2008 |
| 2008 June 13 | Betsy Mills | The interplay between star formation and the nuclear environment of our Galaxy:deep X-ray observations of the Galactic centre Arches and Quintuplet clusters | Wang, Dong, & Lang 2006, MNRAS, 371, 38 |
| 2008 June 6 | Andy Stolte | HKL excess sources in the Arches cluster | Stolte et al. 2008, in prep. |
| 2008 May 30 | Phil Armitage | Light Curves from an MHD Simulation of a Black Hole Accretion Disk | Schnittman, Krolik, & Hawley 2006, ApJ, 651, 1031 |
| 2008 May 23 | Jessica Lu | On the Formation of Compact Stellar Disks Around Sgr A* | Wardle & Yusef-Zadeh 2008, astro-ph/0805.3274 |
| 2008 May 9 | Leo Meyer | A 600 Minute Near-IR Lightcurve of Sgr A* | Meyer et al. 2008 |
| 2008 Apr 18 | Tuan Do | The Near-Infrared Variability of Sgr A* | Do et al. 2008 |
| 2008 Apr 8/11 | Andy Stolte | Star Formation across the Milky Way - a summary | Santiago, Chile, March 3-7, 2008 |
| 2008 Apr 4 | Guillaume Belanger | Periodic variations from X-ray flares in Sgr A* | Belanger et al. 2008 |
| 2008 Feb 29 | Betsy Mills | Tracing shocks and photodissociation in the Galactic center region | Martin et al. 2008, astro-ph/0801.3614 |
| 2008 Feb 22 | Andy Stolte | Starburst clusters near the Galactic center | review talk, Star formation across the Milky Way, Santiago, Chile |
| 2008 Feb 15 | Leo Meyer | Testing the general relativistic no-hair theorems using the galactic center black hole SgrA* | Will 2008, astro-ph/0711.1677 |
| 2008 Feb 8 | S. Yelda/J. Lu | Hyper velocity stars and S stars | |
| 2008 Jan 25 | Sylvana Yelda | Dynamical and evolutionary constraints on the nature and origin of hypervelocity stars | Perets 2007, astro-ph/0712.1888 |
| 2008 Jan 18 | Tuan Do | On characterizing the variability properties of X-ray light curves from active galaxies | Vaughan et al. 2003, MNRAS, 345, 127 |
| 2008 Jan 4 | Quinn Konopacky | Spectroscopic rotation velocities of L dwarfs from VLT/UVES and their comparison with periods from photometric monitoring | Bailer-Jones 2004, A&A, 419, 703 |
| 2007 Dec 19 | Jessica Lu | A Measurement of Proper Motions of SiO Maser Sources in the Galactic Center with the VLBA | Oyama et al. 2008, astro-ph/0710.1393 |
| 2007 Dec 7 | Andy Stolte | Testing the universal stellar IMF on the metallicity distribution in the bulges of the Milky Way and M31 | Ballero, Kroupa & Matteucci 2007, A&A, 467, 117 |
| 2007 Nov 16 | Nate McCrady | Constraining the Adaptive Optics Point-Spread Function in Crowded Fields: Measuring Photometric Aperture Corrections | Sheehy, McCrady & Graham 2006, ApJ, 647, 1517 |
| 2007 Nov 9 | Elise Furlan | Planet Formation around Stars of Various Masses: The Snow Line and the Frequency of Giant Planets | Kennedy & Kenyon 2007, astro-ph/0710.1065 |
| 2007 Oct 26 | Marshall Perrin | The Spitzer c2d Survey of Weak-Line T Tauri Stars. II. New Constraints on the Timescale for Planet Building | Cieza et al. 2007, ApJ, 667, 308 |
| 2007 Oct 12 | Joerg-Uwe Pott | Cosmic-Ray Heating of Molecular Gas in the Nuclear Disk: Low Star Formation Efficiency | Yusef-Zadeh et al. 2007, ApJL, 665, 123 |
| 2007 Oct 5 | Betsy Mills | Implementing Few-Body Algorithmic Regularization with Post-Newtonian Terms | Mikkola & Merritt 2007, astro-ph/0709.3367 | 2007 Sep 28 | Sylvana Yelda | High-precision stellar radial velocities in the galactic center | Figer et al. 2003, ApJ, 599, 1139 |
| 2007 Sep 7 | Tuan Do | An Unambiguous Detection of Faraday Rotation in Sagittarius A* | Marrone et al. 2007, ApJL, 654, 57 |
| 2007 Aug 31 | Quinn Konopacky | VLBA determination of the distance to nearby star-forming regions I. The distance to T Tauri with 0.4% accuracy | Loinard et al. 2007, astro-ph/0708.2081 |
| 2007 Aug 20 | Jessica Lu | Galactic Center Youth: Orbits and Origins of the Young Stars | Lu et al. 2007 |
| 2007 Aug 10 | Betsy Mills | The Origin of the Young Stars in the Nucleus of M31 | Chang et al. 2007, ApJ, 668, 236 |
| 2007 Aug 3 | Jessica Lu | Orbital analysis discussion | |
| 2007 July 27 | Jessica Lu | First proper motions of thin dust filaments at the Galactic center | Muzic et al. 2007, A&A, 469, 993 |
| 2007 July 13 | Sylvana Yelda | Kinematics of hypervelocity stars in the triaxial halo of the Milky Way | Yu & Madau 2007, MNRAS, 379, 1293 |
| 2007 June 8 | Wolfgang Brandner | A Systematic Study of Departures from Chemical Equilibrium in the Atmospheres of Substellar Mass Objects | Hubeny & Burrows 2007, ApJ, 669, 1248 |
| 2007 June 1 | Tuan Do | Near-infrared polarimetry setting constraints on the orbiting spot model for Sgr A* flares | Meyer et al. 2006, A&A, 460, 15 |
| 2007 May 25 | Quinn Konopacky | paper review | |
| 2007 May 18 | Jessica Lu | Starbursts near supermassive black holes: young stars in the Galactic Centre, and gravitational waves in LISA band> | Levin 2007, MNRAS, 374, 515 |
| 2007 May 8 | Andrea Stolte | Simulations of star formation in a gaseous disc around sgr A* - a failed AGN | Nayakshin et al. 2007, MNRAS, 379, 21 |
| 2007 May 1 | Elise Furlan | Demographics of Transition Objects | Najita et al. 2007, MNRAS, 378, 369 |
| 2007 Apr 23 | Sylvana Yelda | Massive perturber-driven interactions of stars with a massive black hole | Perets et al. 2007, ApJ, 656, 709 |
| 2007 Apr 17 | Tuan Do | Stellar and wind properties of massive stars in the central parsec of the Galaxy | Martins et al. 2007, A&A, 468, 233 |
| 2007 Apr 7 | Jessica Lu | Fuelling active galactic nuclei | King & Pringle 2007, MNRAS Letters, 377, 25 |
| 2007 Mar 23 | Quinn Konopacky | Visual/infrared interferometry of Orion Trapezium stars: Preliminary dynamical orbit and aperture synthesis imaging of the Theta 1 Orionis C system | Kraus et al. 2007, A&A, 466, 649 |
| 2007 Mar 16 | Jon Mauerhan | Discovery of hot supergiant stars near the Galactic center | Mauerhan et al. 2007, ApJ, 662, 574 |
| 2007 Mar 2 | Elise Furlan | NACO polarimetric differential imaging of TW Hya. A sharp look at the closest T Tauri disk | Apai et al. 2004, A&A, 415, 671 |
| 2007 Feb 13 | Andy Stolte | The proper motion of the Arches cluster with Keck Laser-Guide Star Adaptive Optics | |
| 2007 Feb 9 | Stanimir Metchev | The Planetary Mass Companion 2MASS1207-3932 B: Temperature, Mass and Evidence for an Edge-On Disk | Mohanty et al. 2007, ApJ, 657, 1064 |
| 2007 Feb 2 | Andy Stolte | Where are the Old-Population High Velocity Stars? | Kollmeier & Gould 2007, astro-ph/0701350 |
| 2007 Jan 26 | Wolfgang Brandner | Medium resolution 2.3 micron spectroscopy of the massive Galactic open cluster Westerlund 1 | Mengel & Tacconi-Garman 2007, A&A, 466, 151 |
| 2006 Dec 8 | Tuan Do | The stellar mass spectrum in warm and dusty gas: deviations from Salpeter in the Galactic centre and in circumnuclear starburst regions | Klessen et al. 2007, MNRAS Letters, 374, 29 |
| 2006 Dec 1 | Claire Max | Next-Generation Adaptive Optics at Keck: Potential Technologies and Science Cases | |
| 2006 Nov 15 | Sylvana Yelda | The hot stars in orbit around the M31 central supermassive black hole: are they young or old? | Demarque & Virani 2006, A&A, 461, 651 |
| 2006 Nov 3 | Jessica Lu | The Stellar Populations in the Central Parsecs of Galactic Bulges | Sarzi et al. 2005, ApJ, 628, 169 |
| 2006 Oct 27 | Seth Hornstein | Polarimetry of near-infrared flares from Sagittarius A* | Eckart et al. 2006, A&A, 455, 1 |
| 2006 Oct 20 | Elise Furlan | Evidence for Mass-dependent Circumstellar Disk Evolution in the 5 Myr-old Upper Scorpius OB Association | Carpenter et al. 2006, ApJL, 651, 49 |
| 2006 Oct 13 | Andy Stolte | The extrasolar planet epsilon Eridani b - orbit and mass | Benedict et al. 2006, AJ, 132, 2206 |
| 2006 Oct 6 | Andrea Ghez | Prediction for the Frequency and Orbital Radii of Massive Extrasolar Planets | Armitage et al. 2002, MNRAS, 334, 248 |
| 2006 Sep 29 | Jimmy Dunn | Active galactic nuclei jet mass loading and truncation by stellar winds | Hubbard & Blackman 2006, MNRAS, 371, 1717 |
| 2006 Sep 22 | Sylvana Yelda | The Hypervelocity Star SDSS J090745.0+024507 is Variable | Fuentes et al. 2006, ApJL, 636, 37 |
| 2006 Sep 1 | Tuan Do | The K-band Spectrum of The Hot Star in IRS~8: An Outsider in the Galactic Center? | Geballe et al. 2006, ApJ, 652, 370 |
| 2006 Aug 25 | Quinn Konopacky | A mid-infrared study of very low mass stars and brown dwarfs in Upper Scorpius | Bouy et al. 2006, A&A, 451, 177 |
| 2006 Aug 4 | Hal Cambier | The Fate of Former Companions to Hypervelocity Stars Originating at the Galactic Centre | Ginsburg & Loeb 2006, MNRAS, 368, 221 |
| 2006 July 28 | Jessica Lu | Young stars in the Galactic Centre: a potential intermediate-mass star origin | Dray et al. 2006, MNRAS, 372, 31 |
| 2006 July 13 | Seth Hornstein | Periodic Modulations in an X-ray Flare from Sagittarius A* | Belanger et al. 2006, JPhCS, 54, 420 |
| 2006 June 22 | Elise Furlan | Silicate Emission Profiles from Low-Mass Protostellar Disks in the Orion Nebula: Evidence for Growth and Thermal Processing of Grains | Shuping et al. 2006, ApJL, 644, 71 |
Currently maintained by: Kim Phifer (kphifer@astro.ucla.edu)