Publications (126)
LHS 2803B: A very wide mid-T dwarf companion to an old M dwarf identified from Pan-STARRS1
Niall R. Deacon, Michael C. Liu, Eugene A. Magnier +12
Confronting Substellar Theoretical Models with Stellar Ages
Trent J. Dupuy, Michael C. Liu, Michael J. Ireland
Spectroscopic Confirmation of Young Planetary-Mass Companions on Wide Orbits
Brendan P. Bowler, Michael C. Liu, Adam L. Kraus +1
The Gemini NICI Planet-Finding Campaign: The Frequency of Planets around Young Moving Group Stars
Beth A. Biller, Michael C. Liu, Zahed Wahhaj +18
The Gemini NICI Planet-Finding Campaign: Discovery of a Close Substellar Companion to the Young Debris Disk Star PZ Tel
Beth A. Biller, Michael C. Liu, Zahed Wahhaj +24
Crossing the Brown Dwarf Desert Using Adaptive Optics: A Very Close L-Dwarf Companion to the Nearby Solar Analog HR 7672
Michael C. Liu, Debra A. Fischer, James R. Graham +3
A nearby M star with three transiting super-Earths discovered by K2
Ian J. M. Crossfield, Erik Petigura, Joshua Schlieder +24
The Gemini NICI Planet-Finding Campaign
Michael C. Liu, Zahed Wahhaj, Beth A. Biller +21
Wide, Cool and Ultracool Companions to Nearby Stars from Pan-STARRS1
Niall R. Deacon, Michael C. Liu, Eugene A. Magnier +18
Discovery of a Methane Dwarf from the IfA-Deep Survey
Michael C. Liu, Richard Wainscoat, Eduardo L. Martin +2
Infrared Parallaxes of Young Field Brown Dwarfs and Connections to Directly Imaged Gas-Giant Exoplanets
Michael C. Liu, Trent J. Dupuy, Katelyn N. Allers
A Survey for Circumstellar Disks Around Young Substellar Objects
Michael C. Liu, Joan Najita, Alan T. Tokunaga
Extremely Red Objects in the Field of QSO 1213-0017: A Galaxy Concentration at z=1.31
Michael C. Liu, Arjun Dey, James R. Graham +2
Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1
Joshua E. Schlieder, Ian J. M. Crossfield, Erik A. Petigura +21
Near-IR Surface Brightness Fluctuations and Optical Colours of Magellanic Star Clusters
Rosa A. Gonzalez-Lopezlira, Marna Y. Albarran, Mustapha Mouhcine +3
High Resolution Infrared Imaging of FSC10214+4724: Evidence for Gravitational Lensing
James R. Graham, Michael C. Liu
The Gemini NICI Planet-Finding Campaign: The Frequency of Giant Planets Around Debris Disk Stars
Zahed Wahhaj, Michael C. Liu, Eric L. Nielsen +17
The Gemini NICI Planet-Finding Campaign: Discovery of a Multiple System Orbiting the Young A Star HD 1160
Eric L. Nielsen, Michael C. Liu, Zahed Wahhaj +22
A Giant Outburst at Millimeter Wavelengths in the Orion Nebula
Geoffrey C. Bower, Richard L. Plambeck, Alberto Bolatto +5
Discovery of a Visual T-Dwarf Triple System and Binarity at the L/T Transition
Jacqueline Radigan, Ray Jayawardhana, David Lafrenière +3
A Re-appraisal of the Habitability of Planets Around M Dwarf Stars
Jill C. Tarter, Peter R. Backus, Rocco L. Mancinelli +29
Young Stars and Planets Near the Sun in 2015: Five Takeaways and Five Predictions
Michael C. Liu
Discovery of a Low-Luminosity, Tight Substellar Binary at the T/Y Transition
Trent J. Dupuy, Michael C. Liu, S. K. Leggett
NICI: combining coronagraphy, ADI, and SDI
Etienne Artigau, Beth A. Biller, Zahed Wahhaj +9
A Pan-STARRS + UKIDSS Search for Young, Wide Planetary-Mass Companions in Upper Scorpius
Kimberly M. Aller, Adam L. Kraus, Michael C. Liu +6
Testing Theory with Dynamical Masses and Orbits of Ultracool Binaries
Trent J. Dupuy, Michael C. Liu, Michael J. Ireland
Discovery of a Highly Unequal-Mass Binary T Dwarf with Keck Laser Guide Star Adaptive Optics: A Coevality Test of Substellar Theoretical Models and Effective Temperatures
Michael C. Liu, Trent J. Dupuy, S. K. Leggett
IR Surface Brightness Fluctuations of Magellanic Star Clusters
Rosa A. Gonzalez, Michael C. Liu, Gustavo Bruzual-A.
Disks around Young Brown Dwarfs
Michael C. Liu
Planets Around Low-Mass Stars (PALMS). II. A Low-Mass Companion to the Young M Dwarf GJ 3629 Separated By 0.2"
Brendan P. Bowler, Michael C. Liu, Evgenya L. Shkolnik +1
Retired A Stars and Their Companions. III. Comparing the Mass-Period Distributions of Planets Around A-Type Stars and Sun-Like Stars
Brendan P. Bowler, John Asher Johnson, Geoffrey W. Marcy +8
The Late-T Dwarf Companion to the Exoplanet Host Star HD 3651: A New Benchmark for Gravity and Metallicity Effects in Ultracool Spectra
Michael C. Liu, S. K. Leggett, Kuenley Chiu
The Benchmark Ultracool Subdwarf HD 114762B: A Test of Low-Metallicity Atmospheric and Evolutionary Models
Brendan P. Bowler, Michael C. Liu, Michael C. Cushing
SDSS J141624.08+134826.7: A Nearby Blue L Dwarf From the Sloan Digital Sky Survey
Brendan P. Bowler, Michael C. Liu, Trent J. Dupuy
Planets Around Low-Mass Stars (PALMS). III. A Young Dusty L Dwarf Companion at the Deuterium-Burning Limit
Brendan P. Bowler, Michael C. Liu, Evgenya L. Shkolnik +1
Two Transiting Earth-size Planets Near Resonance Orbiting a Nearby Cool Star
Erik A. Petigura, Joshua E. Schlieder, Ian J. M. Crossfield +11
Discovery of a High Proper Motion L Dwarf Binary: 2MASS J15200224-4422419AB
Adam J. Burgasser, Dagny L. Looper, J. Davy Kirkpatrick +1
Testing Models with Brown Dwarf Binaries
Trent J. Dupuy, Michael C. Liu
A Stellar Census of the Tucana-Horologium Moving Group
Adam L. Kraus, Evgenya L. Shkolnik, Katelyn N. Allers +1
Planets Around Low-Mass Stars (PALMS). V. Age-Dating Low-Mass Companions to Members and Interlopers of Young Moving Groups
Brendan P. Bowler, Evgenya L. Shkolnik, Michael C. Liu +22
Two New Candidate Planets in Eccentric Orbits
Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt +2
Four Faint T Dwarfs from the UKIRT Infrared Deep Sky Survey (UKIDSS) Southern Stripe
Kuenley Chiu, Michael C. Liu, Linhua Jiang +6
A Sub-Millimeter Search of Nearby Young Stars for Cold Dust: Discovery of Debris Disks around Two Low-Mass Stars
Michael C. Liu, Brenda C. Matthews, Jonathan P. Williams +1
CFBDSIR J1458+1013B: A Very Cold (>T10) Brown Dwarf in a Binary System
Michael C. Liu, Philippe Delorme, Trent J. Dupuy +6
The Gemini NICI Planet-Finding Campaign : Discovery of a Substellar L Dwarf Companion to the Nearby Young M Dwarf CD-35 2722
Zahed Wahhaj, Michael C. Liu, Beth A. Biller +23
Prospecting in Ultracool Dwarfs: Measuring the Metallicities of Mid- and Late-M Dwarfs
Andrew W. Mann, Niall R. Deacon, Eric Gaidos +5
Detection of cool dust around the G2V star HD 107146
Jonathan P. Williams, Joan Najita, Michael C. Liu +5
Discovery of an Unusually Red L-type Brown Dwarf
John E. Gizis, Jacqueline K. Faherty, Michael C. Liu +6
Planets Around Low-Mass Stars (PALMS). IV. The Outer Architecture of M Dwarf Planetary Systems
Brendan P. Bowler, Michael C. Liu, Evgenya L. Shkolnik +1
The Gemini NICI Planet-Finding Campaign: The Companion Detection Pipeline
Zahed Wahhaj, Michael C. Liu, Beth A. Biller +7
The Extremely Red, Young L Dwarf PSO J318-22: A Free-Floating Planetary-Mass Analog to Directly Imaged Young Gas-Giant Planets
Michael C. Liu, Eugene A. Magnier, Niall R. Deacon +16
Physical and Spectral Characteristics of the T8 and Later-Type Dwarfs
S. K. Leggett, M. S. Marley, R. Freedman +5
Ultracool Dwarf Science from Widefield Multi-Epoch Surveys
N. R. Deacon, D. J. Pinfield, P. W. Lucas +9
Searching for Young M Dwarfs with GALEX
Evgenya L. Shkolnik, Michael C. Liu, Iain Neill Reid +2
Astrometric Calibration of the Gemini NICI Planet-Finding Campaign
Thomas L. Hayward, Beth A. Biller, Michael C. Liu +6
Discovery of a Young L Dwarf Binary, SDSS J224953.47+004404.6AB
K. N. Allers, Michael C. Liu, Trent J. Dupuy +1
HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1
Niall R. Deacon, Michael C. Liu, Eugene A. Magnier +13
Planets Around Low-Mass Stars (PALMS). I. A Substellar Companion to the Young M Dwarf 1RXS J235133.3+312720
Brendan P. Bowler, Michael C. Liu, Evgenya L. Shkolnik +4
HN Peg B: A Test of Models of the L to T Dwarf Transition
S. K. Leggett, D. Saumon, Loic Albert +7
The Gemini NICI Planet-Finding Campaign: The Frequency of Giant Planets around Young B and A Stars
Eric L. Nielsen, Michael C. Liu, Zahed Wahhaj +22
Magellan Adaptive Optics first-light observations of the exoplanet $β$ Pic b. I. Direct imaging in the far-red optical with MagAO+VisAO and in the near-IR with NICI
Jared R. Males, Laird M. Close, Katie M. Morzinski +20
The Hawaii Infrared Parallax Program. I. Ultracool Binaries and the L/T Transition
Trent J. Dupuy, Michael C. Liu
2MASS 22344161+4041387AB: A Wide, Young, Accreting, Low-mass Binary in the LkHa233 Group
K. N. Allers, Michael C. Liu, Evgenya Shkolnik +6
Three Wide Planetary-Mass Companions to FW Tau, ROXs 12, and ROXs 42B
Adam L. Kraus, Michael J. Ireland, Lucas A. Cieza +4
Improving Signal to Noise in the Direct Imaging of Exoplanets and Circumstellar Disks
Zahed Wahhaj, Lucas A. Cieza, Dimitri Mawet +10
Early Results from VLT-SPHERE: Long-Slit Spectroscopy of 2MASS 0122-2439B, a Young Companion Near the Deuterium Burning Limit
Sasha Hinkley, Brendan P. Bowler, Arthur Vigan +8
BD-22 5866: A Low-mass Quadruple-lined Spectroscopic AND Eclipsing Binary
Evgenya Shkolnik, Michael C. Liu, I. Neill Reid +4
An ALMA Disk Mass for the Candidate Protoplanetary Companion to FW Tau
Adam L. Kraus, Sean M. Andrews, Brendan P. Bowler +5
Dynamical Masses of Young M Dwarfs: Masses and Orbital Parameters of GJ 3305 AB, the Wide Binary Companion to the Imaged Exoplanet Host 51 Eri
Benjamin T. Montet, Brendan P. Bowler, Evgenya L. Shkolnik +7
A Search for High Proper Motion T Dwarfs with Pan-STARRS1 + 2MASS + WISE
Michael C. Liu, Niall R. Deacon, Eugene A. Magnier +13
On the Distribution of Orbital Eccentricities for Very Low-Mass Binaries
Trent J. Dupuy, Michael C. Liu
High-Precision Radio and Infrared Astrometry of LSPM J1314+1320AB - I: Parallax, Proper Motions, and Limits on Planets
Jan Forbrich, Trent J. Dupuy, Mark J. Reid +6
Stellar Populations of Elliptical Galaxies from Surface Brightness Fluctuations
Michael C. Liu, Stephane Charlot, James R. Graham
On the Binary Frequency of the Lowest Mass Members of the Pleiades with Hubble Space Telescope Wide Field Camera 3
E. V. Garcia, Trent J. Dupuy, Katelyn N. Allers +2
New Evidence for a Substellar Luminosity Problem: Dynamical Mass for the Brown Dwarf Binary Gl 417BC
Trent J. Dupuy, Michael C. Liu, Michael J. Ireland
The Gemini NICI Planet-Finding Campaign: The Orbit of the Young Exoplanet beta Pictoris b
Eric L. Nielsen, Michael C. Liu, Zahed Wahhaj +12
Near-Infrared Spectroscopy of the Extrasolar Planet HR 8799 b
Brendan P. Bowler, Michael C. Liu, Trent J. Dupuy +1
An excess of submm sources near 4C41.17: a candidate proto-cluster at z=3.8?
Rob J. Ivison, James S. Dunlop, Ian Smail +3
WISEP J004701.06+680352.1: An intermediate surface gravity, dusty brown dwarf in the AB Dor Moving Group
John E. Gizis, Katelyn N. Allers, Michael C. Liu +4
Resolved Spectroscopy of the T8.5 and Y0-0.5 Binary WISEPC J121756.91+162640.2AB
S. K. Leggett, Michael C. Liu, Trent J. Dupuy +3
Theoretical Predictions for Surface Brightness Fluctuations and Implications for Stellar Populations of Elliptical Galaxies
Michael C. Liu, Stephane Charlot, James R. Graham
Mid-Infrared Imaging of Young Stellar Objects
Michael C. Liu, James R. Graham, A. M. Ghez +6
The InfraRed Imaging Spectrograph (IRIS) for TMT: Overview of innovative science programs
Shelley A. Wright, James E. Larkin, Anna M. Moore +22
A Near-Infrared Spectroscopic Study of Young Field Ultracool Dwarfs
K. N. Allers, Michael C. Liu
Detectability of Transiting Jupiters and Low-Mass Eclipsing Binaries in Sparsely Sampled Pan-STARRS-1 Survey Data
Trent J. Dupuy, Michael C. Liu
The Gemini NICI Planet-Finding Campaign: Asymmetries in the HD 141569 disc
Beth A. Biller, Michael C. Liu, Ken Rice +8
Optical and Near-Infrared Spectroscopy of a High-Redshift, Hard X-ray Emitting Spiral Galaxy
Steve Dawson, Nate McCrady, Daniel Stern +4
Characterizing Young Brown Dwarfs using Low Resolution Near-IR Spectra
K. N. Allers, D. T. Jaffe, K. L. Luhman +7
Substructure in the Circumstellar Disk around the Young Star AU Mic (GJ 803)
Michael C. Liu
Keck Laser Guide Star Adaptive Optics Monitoring of the M8+L7 Binary LHS 2397aAB: First Dynamical Mass Benchmark at the L/T Transition
Trent J. Dupuy, Michael C. Liu, Michael J. Ireland
Properties of Circum(sub)stellar Accretion Disks
Michael C. Liu, Alan T. Tokunaga, Joan Najita
A Near-Infrared Spectroscopic Study of Young Field Ultracool Dwarfs: Additional Analysis
K. N. Allers, Michael C. Liu
Dynamical Mass of the M8+M8 Binary 2MASS J22062280-2047058AB
Trent J. Dupuy, Michael C. Liu, Brendan P. Bowler
Identifying the Young Low-mass Stars within 25 pc. I. Spectroscopic Observations
Evgenya Shkolnik, Michael C. Liu, I. Neill Reid
The Mass-Luminosity Relation in the L/T Transition: Individual Dynamical Masses for the New J-Band Flux Reversal Binary SDSSJ105213.51+442255.7AB
Trent J. Dupuy, Michael C. Liu, S. K. Leggett +3
Variability in a Young, L/T Transition Planetary-Mass Object
Beth A. Biller, Johanna Vos, Mariangela Bonavita +15
Infrared Surface Brightness Fluctuations of the Coma Elliptical NGC 4874 and the Value of the Hubble Constant
Michael C. Liu, James R. Graham
SDSS J1534+1615AB: A Novel T Dwarf Binary Found with Keck Laser Guide Star Adaptive Optics and the Potential Role of Binarity in the L/T Transition
Michael C. Liu, S. K. Leggett, David A. Golimowski +5
The Stellar Content of the Halo of NGC 5907 from Deep HST NICMOS Imaging
Stephen E. Zepf, Michael C. Liu, Francine R. Marleau +2
Herschel/PACS view of disks around low-mass stars and brown dwarfs in the TW Hya association
Yao Liu, Gregory J. Herczeg, Munan Gong +6