output
19912026
Showing 2017 · astro-ph.SRShow all

11 papers · 2 filters

astro-ph.SR2017★ 8 cited

2MASS J11151597+1937266: A Young, Dusty, Isolated, Planetary-Mass Object with a Potential Wide Stellar Companion

Christopher A. Theissen, Adam J. Burgasser, Daniella C. Bardalez Gagliuffi +4

We present 2MASS J11151597+1937266, a recently identified low-surface gravity L dwarf, classified as an L2 based on Sloan Digital Sky Survey optical spectroscopy. We confirm thi…

astro-ph.SR2017★ 49 cited

A physically motivated and empirically calibrated method to measure effective temperature, metallicity, and Ti abundance of M dwarfs

Mark J. Veyette, Philip S. Muirhead, Andrew W. Mann +3

The ability to perform detailed chemical analysis of Sun-like F-, G-, and K-type stars is a powerful tool with many applications including studying the chemical evolution of the Ga…

astro-ph.SR2017★ 67 cited

Far-infrared to millimeter data of protoplanetary disks: dust growth in the Taurus, Ophiuchus, and Chamaeleon I star-forming regions

Álvaro Ribas, Catherine C. Espaillat, Enrique Macías +7

Far-infrared and (sub)millimeter fluxes can be used to study dust in protoplanetary disks, the building blocks of planets. Here, we combine observations from the Herschel Space Obs…

astro-ph.SR2017★ 108 cited

A Catalog of Cool Dwarf Targets for the Transiting Exoplanet Survey Satellite

Philip S. Muirhead, Courtney Dressing, Andrew W. Mann +5

We present a catalog of cool dwarf targets (, ) and their stellar properties for the upcoming Transiting Exoplanet Survey Satellite (TESS), fo…

astro-ph.SR2017★ 18 cited

Activity and Kinematics of White Dwarf-M Dwarf Binaries from the SUPERBLINK Proper Motion Survey

Julie N. Skinner, Dylan P. Morgan, Andrew A. West +2

We present an activity and kinematic analysis of high proper motion white dwarf-M dwarf binaries (WD+dMs) found in the SUPERBLINK survey, 178 of which are new identifications. To i…

astro-ph.SR2017★ 33 cited

Magnetic Inflation and Stellar Mass I: Revised Parameters for the Component Stars of the Kepler Low-mass Eclipsing Binary T-Cyg1-12664

Eunkyu Han, Philip S. Muirhead, Jonathan J. Swift +6

Several low-mass eclipsing binary stars show larger than expected radii for their measured mass, metallicity and age. One proposed mechanism for this radius inflation involves inhi…

astro-ph.SR2017★ 6 cited

An Incipient Debris Disk in the Chamaeleon I Cloud

C. C. Espaillat, Á. Ribas, M. K. McClure +5

The point at which a protoplanetary disk becomes a debris disk is difficult to identify. To better understand this, here we study the 40~AU separation binary T~54 in the Cham…

astro-ph.SR2017★ 111 cited

An empirical template library of stellar spectra for a wide range of spectral classes, luminosity classes, and metallicities using SDSS BOSS spectra

Aurora Y. Kesseli, Andrew A. West, Mark Veyette +3

We present a library of empirical stellar spectra created using spectra from the Sloan Digital Sky Survey's Baryon Oscillation Spectroscopic Survey (BOSS). The templates cover spec…

astro-ph.SR2017★ 13 cited

Time Dependent Models of Magnetospheric Accretion onto Young Stars

Connor Robinson, James Owen, Catherine Espaillat +1

Accretion onto Classical T Tauri stars is thought to take place through the action of magnetospheric processes, with gas in the inner disk being channeled onto the star's surface b…

astro-ph.SR2017★ 40 cited

Imaging a Central Ionized Component, a Narrow Ring, and the CO Snowline in the Multi-Gapped Disk of HD 169142

Enrique Macias, Guillem Anglada, Mayra Osorio +5

We report Very Large Array observations at 7 mm, 9 mm, and 3 cm toward the pre-transitional disk of the Herbig Ae star HD 169142. These observations have allowed us to study the mm…

astro-ph.SR2017★ 9 cited

Collisions of Terrestrial Worlds: The Occurrence of Extreme Mid-Infrared Excesses around Low-Mass Field Stars

Christopher Theissen, Andrew West

We present the results of an investigation into the occurrence and properties (stellar age and mass trends) of low-mass field stars exhibiting extreme mid-infrared (MIR) excesses (…