Search Results - "Beck, Tracy. L"
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A Search for Spatially Resolved Infrared Rovibrational Molecular Hydrogen Emission from the Disks of Young Stars
Published in The Astrophysical journal (20-10-2019)“…We present results from a survey searching for spatially resolved near-infrared line emission from molecular hydrogen gas in the circumstellar environments of…”
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2
Ejection Patterns in the DG Tau Jet over the Last 40 yr: Insights into Mass Accretion Variability
Published in The Astrophysical journal (01-03-2024)“…We aim to clarify the link between mass accretion and ejection by analyzing DG Tau’s jet observations from optical and near-infrared data spanning 1984–2019,…”
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3
Medium-resolution 0.97–5.3 μm Spectra of Very Young Benchmark Brown Dwarfs with NIRSpec on Board the James Webb Space Telescope
Published in The Astronomical journal (01-04-2024)“…Spectra of young benchmark brown dwarfs with well-known ages are vital to characterize other brown dwarfs, for which ages are in general not known. These…”
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4
Hints of a Sulfur-rich Atmosphere around the 1.6 R ⊕ Super-Earth L98-59 d from JWST NIRspec G395H Transmission Spectroscopy
Published in Astrophysical journal. Letters (01-11-2024)“…Detecting atmospheres around planets with a radius below 1.6 R ⊕ , commonly referred to as rocky planets, has proven to be challenging. However, rocky planets…”
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5
Spatially Extended Brackett Gamma Emission in the Environments of Young Stars
Published in The Astrophysical journal (20-10-2010)“…The majority of atomic hydrogen Br Delta *g emission detected in the spectra of young stellar objects is believed to arise from the recombination regions…”
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6
Possible Time Correlation between Jet Ejection and Mass Accretion for RW Aur A
Published in The Astrophysical journal (01-09-2020)“…For the active T-Taur star RW Aur A we have performed long-term (∼10 yr) monitoring observations of (1) jet imaging in the [Fe II] 1.644 μ m emission line…”
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7
Monitoring Inner Regions in the RY Tau Jet
Published in The Astronomical journal (01-06-2022)“…We present multiepoch observations of the RY Tau jet for H α and [Fe ii ] 1.644 μ m emission lines obtained with the Subaru Coronagraphic Extreme-AO and…”
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8
Time-variable Jet Ejections from RW Aur A, RY Tau, and DG Tau
Published in The Astrophysical journal. Supplement series (01-01-2023)“…We present Gemini-NIFS, Very Large Telescope-SINFONI, and Keck-OSIRIS observations of near-IR [Fe ii ] emission that are associated with well-studied jets from…”
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9
JWST MIRI MRS Images of Disk Winds, Water, and CO in an Edge-on Protoplanetary Disk
Published in Astrophysical journal. Letters (01-04-2024)“…We present JWST MIRI MRS observations of the edge-on protoplanetary disk around the young subsolar-mass star Tau 042021, acquired as part of the Cycle 1 GO…”
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10
STABLE AND UNSTABLE REGIMES OF MASS ACCRETION ONTO RW AUR A
Published in The Astrophysical journal (01-04-2016)“…ABSTRACT We present monitoring observations of the active T Tauri star RW Aur, from 2010 October to 2015 January, using optical high-resolution (R ≥ 10,000)…”
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11
Masses and Implications for Ages of Low-mass Pre-main-sequence Stars in Taurus and Ophiuchus
Published in The Astrophysical journal (10-10-2019)“…The accuracy of masses of pre-main-sequence stars derived from their locations on the Hertzsprung-Russell diagram (HRD) can be tested by comparison with…”
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12
An Ice Age JWST inventory of dense molecular cloud ices
Published in Nature astronomy (01-04-2023)“…Icy grain mantles are the main reservoir of the volatile elements that link chemical processes in dark, interstellar clouds with the formation of planets and…”
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13
A warm Neptune’s methane reveals core mass and vigorous atmospheric mixing
Published in Nature (London) (27-06-2024)“…Observations of transiting gas giant exoplanets have revealed a pervasive depletion of methane 1 – 4 , which has only recently been identified atmospherically…”
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14
On the Nature of the T Tauri Triple System
Published in The Astrophysical journal (01-10-2020)“…We present a multiwavelength analysis to reveal the nature of the enigmatic T Tauri triple star system. New optical and infrared measurements are coupled with…”
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15
Spatially Resolved Molecular Hydrogen Emission in the Inner 200 AU Environments of Classical T Tauri Stars
Published in The Astrophysical journal (20-03-2008)“…We present 2.0-2.4 [mu]m integral field spectroscopy at adaptive optics spatial resolution ( similar to 0.1 super([image] )) obtained with the Near-infrared…”
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16
[Fe II] EMISSIONS ASSOCIATED WITH THE YOUNG INTERACTING BINARY UY AURIGAE
Published in The Astrophysical journal (01-05-2014)“…We present high-resolution 1.06.1.28 [mu]m spectra toward the interacting binary UY Aur obtained with GEMINI/NIFS and the adaptive optics system Altair. We…”
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17
V2494 Cyg: a unique FU Ori type object in the Cygnus OB7 complex
Published in Monthly notices of the Royal Astronomical Society (11-07-2013)“…A photometric and spectral study of the variable star V2494 Cyg in the L 1003 dark cloud is presented. The brightness of the star, formerly known as HH 381…”
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18
A Micro-Molecular Bipolar Outflow from HL Tauri
Published in The Astrophysical journal (20-11-2007)“…We present detailed geometry and kinematics of the inner outflow toward HL Tau observed using Near Infrared Integral Field Spectrograph (NIFS) at the…”
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19
Probing the Central Regions of Nearby Compact Elliptical Galaxies
Published in The Astrophysical journal (10-04-2008)“…K-band spectroscopic observations recorded with NIFS+ALTAIR on Gemini North are used to probe the central arcsecond of the compact elliptical galaxies NGC…”
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20
CIRCUMBINARY GAS ACCRETION ONTO A CENTRAL BINARY: INFRARED MOLECULAR HYDROGEN EMISSION FROM GG Tau A
Published in The Astrophysical journal (20-07-2012)“…We present high spatial resolution maps of ro-vibrational molecular hydrogen emission from the environment of the GG Tau A binary component in the GG Tau…”
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