Search Results - "Gelino, Christopher R."
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FURTHER DEFINING SPECTRAL TYPE Y AND EXPLORING THE LOW-MASS END OF THE FIELD BROWN DWARF MASS FUNCTION
Published in The Astrophysical journal (10-07-2012)“…We present the discovery of another seven Y dwarfs from the Wide-field Infrared Survey Explorer (WISE). Using these objects, as well as the first six WISE Y…”
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A PROPER MOTION SURVEY USING THE FIRST SKY PASS OF NEOWISE-REACTIVATION DATA
Published in The Astrophysical journal (01-02-2016)“…ABSTRACT The Wide-field Infrared Survey Explorer (WISE) was reactivated in 2013 December (NEOWISE) to search for potentially hazardous near-Earth objects. We…”
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Simulating Brown Dwarf Observations for Various Mass Functions, Birthrates, and Low-mass Cutoffs
Published in The Astrophysical journal (01-10-2024)“…Abstract After decades of brown dwarf discovery and follow-up, we can now infer the functional form of the mass distribution within 20 pc, which serves as a…”
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The Brown Dwarf Kinematics Project (BDKP). VI. Ultracool Dwarf Radial and Rotational Velocities from SDSS/APOGEE High-resolution Spectroscopy
Published in The Astrophysical journal. Supplement series (01-10-2024)“…Abstract We present precise measurements of radial (RV) and projected rotational ( v sin i ) velocities of a sample of 258 M6 to L2 dwarfs with multiepoch,…”
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Long-term 4.6 μm Variability in Brown Dwarfs and a New Technique for Identifying Brown Dwarf Binary Candidates
Published in The Astronomical journal (01-06-2023)“…Abstract Using a sample of 361 nearby brown dwarfs, we have searched for 4.6 μ m variability, indicative of large-scale rotational modulations or large-scale,…”
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Discovery of 118 New Ultracool Dwarf Candidates Using Machine-learning Techniques
Published in The Astronomical journal (01-11-2024)“…Abstract We present the discovery of 118 new ultracool dwarf candidates, discovered using a new machine-learning tool, named SMDET , applied to time-series…”
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THE EXEMPLAR T8 SUBDWARF COMPANION OF WOLF 1130
Published in The Astrophysical journal (01-11-2013)“…We have discovered a wide separation (188".5) T8 subdwarf companion to the sdM1.5+WD binary Wolf 1130. Companionship of WISE J200520.38+542433.9 is verified…”
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THE COLDEST BROWN DWARF (OR FREE-FLOATING PLANET)?: THE Y DWARF WISE 1828+2650
Published in The Astrophysical journal (10-02-2013)“…We have monitored the position of the cool Y dwarf WISEPA J182831.08+265037.8 using a combination of ground- and space-based telescopes and have determined its…”
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SpeX SPECTROSCOPY OF UNRESOLVED VERY LOW MASS BINARIES. II. IDENTIFICATION OF 14 CANDIDATE BINARIES WITH LATE-M/EARLY-L AND T DWARF COMPONENTS
Published in The Astrophysical journal (20-10-2014)“…Multiplicity is a key statistic for understanding the formation of very low mass (VLM) stars and brown dwarfs. Currently, the separation distribution of VLM…”
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DISCOVERY OF A WIDE PLANETARY-MASS COMPANION TO THE YOUNG M3 STAR GU PSC
Published in The Astrophysical journal (20-05-2014)“…We present the discovery of a comoving planetary-mass companion ~42" (~2000 AU) from a young M3 star, GU Psc, a likely member of the young AB Doradus Moving…”
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HUBBLE SPACE TELESCOPE SPECTROSCOPY OF BROWN DWARFS DISCOVERED WITH THE WIDE-FIELD INFRARED SURVEY EXPLORER
Published in The Astrophysical journal (10-05-2015)“…ABSTRACT We present a sample of brown dwarfs identified with the Wide-field Infrared Survey Explorer (WISE) for which we have obtained Hubble Space Telescope…”
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THE DISCOVERY OF Y DWARFS USING DATA FROM THE WIDE-FIELD INFRARED SURVEY EXPLORER (WISE)
Published in The Astrophysical journal (10-12-2011)“…We present the discovery of seven ultracool brown dwarfs identified with the Wide-field Infrared Survey Explorer (WISE). Near-infrared spectroscopy reveals…”
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THE ALLWISE MOTION SURVEY AND THE QUEST FOR COLD SUBDWARFS
Published in The Astrophysical journal (10-03-2014)“…The AllWISE processing pipeline has measured motions for all objects detected on Wide-field Infrared Survey Explorer (WISE) images taken between 2010 January…”
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THE ORBIT OF THE L DWARF + T DWARF SPECTRAL BINARY SDSS J080531.84+481233.0
Published in The Astrophysical journal (10-08-2016)“…ABSTRACT SDSS J080531.84+481233.0 is a closely separated, very-low-mass (VLM) binary identified through combined-light spectroscopy and confirmed as an…”
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SpeX Spectroscopy of Unresolved Very Low Mass Binaries. I. Identification of 17 Candidate Binaries Straddling the L Dwarf/T Dwarf Transition
Published in The Astrophysical journal (20-02-2010)“…We report the identification of 17 candidate brown dwarf binaries whose components straddle the L dwarf/T dwarf transition. These sources were culled from a…”
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An Improved Near-infrared Spectrum of the Archetype Y Dwarf WISEP J182831.08+265037.8
Published in The Astrophysical journal (01-10-2021)“…Abstract We present a Hubble Space Telescope/Wide-Field Camera 3 near-infrared spectrum of the archetype Y dwarf WISEP 182831.08+265037.8. The spectrum covers…”
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Y Dwarf Trigonometric Parallaxes from the Spitzer Space Telescope
Published in The Astrophysical journal (10-11-2018)“…Y dwarfs provide a unique opportunity to study free-floating objects with masses <30 MJup and atmospheric temperatures approaching those of known Jupiter-like…”
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SEARCHING FOR BINARY Y DWARFS WITH THE GEMINI MULTI-CONJUGATE ADAPTIVE OPTICS SYSTEM (GeMS)
Published in The Astrophysical journal (01-03-2016)“…ABSTRACT The NASA Wide-field Infrared Survey Explorer (WISE) has discovered almost all the known members of the new class of Y-type brown dwarfs. Most of these…”
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Expanding the Y Dwarf Census with Spitzer Follow-up of the Coldest CatWISE Solar Neighborhood Discoveries
Published in The Astrophysical journal (01-02-2020)“…We present Spitzer 3.6 and 4.5 m follow-up of 170 candidate extremely cool brown dwarfs newly discovered via the combination of Wide-field Infrared Survey…”
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Evidence of Orbital Motion in the Binary Brown Dwarf Kelu‐1AB
Published in Publications of the Astronomical Society of the Pacific (01-04-2006)“…We have resolved Kelu‐1 into a binary system with a separation of ∼290 mas using the Laser Guide Star Adaptive Optics system on the Keck II telescope. We have…”
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