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astronomy & astrophysics (104) 104
astrophysics (65) 65
astrophysics - astrophysics of galaxies (48) 48
astrophysics - solar and stellar astrophysics (43) 43
physics - astrophysics of galaxies (43) 43
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physics - solar and stellar astrophysics (42) 42
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astrophysics, cosmology and astronomy (36) 36
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ism: jets and outflows (19) 19
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ism: individual objects (16) 16
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ism: molecules (15) 15
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astronomy (11) 11
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physics (11) 11
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iras-16293-2422 (9) 9
system (9) 9
techniques: high angular resolution (9) 9
vlba determination (9) 9
accretion disks (8) 8
astrophysics - high energy astrophysical phenomena (8) 8
black hole physics (8) 8
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astronomy and astrophysics (7) 7
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ism : molecules (7) 7
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Nature, ISSN 0028-0836, 12/2012, Volume 491, Issue 7427, pp. 83 - 85
In their earliest stages, protostars accrete mass from their surrounding envelopes through circumstellar disks. Until now, the smallest observed... 
Luminosity (Astronomy) | Research | Star formation | Observations | Protostars | Solar systems | Star & galaxy formation | Stars & galaxies | Astronomy
Journal Article
Proceedings of the International Astronomical Union, ISSN 1743-9213, 08/2012, Volume 8, Issue S289, pp. 36 - 43
AbstractVery Long Baseline Interferometry (VLBI) observations can provide the positions of compact radio sources with an accuracy of order 50 micro-arcseconds.... 
Star & galaxy formation | Radio astronomy | Physics - Astrophysics of Galaxies
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 02/2019, Volume 483, Issue 2, pp. 2014 - 2030
Isocyanic acid (HNCO), the most stable of the simplest molecules containing the four main elements essential for organic chemistry, has been observed in... 
stars: individual (IRAS 16293-2422) | PHYSICAL CONDITIONS | FULMINIC ACID | COMPLEX ORGANIC-MOLECULES | COLOGNE DATABASE | MONTE-CARLO | ISM: molecules | ASTRONOMY & ASTROPHYSICS | CHEMICAL-COMPOSITION | HETERODYNE INSTRUMENT | CHEMISTRY | LINE SURVEY | IRAS-16293-2422 | astrochemistry | Galactic Astrophysics | Sciences of the Universe | Astrophysics
Journal Article
Journal Article
The Astrophysical Journal Letters, ISSN 1538-4357, 03/2008, Volume 675, Issue 1, pp. L29 - L32
The nonthermal 3.6 cm radio continuum emission from the young stars S1 and DoAr 21 in the core of Ophiuchus has been observed with the Very Long Baseline Array... 
Magnetic fields | Stars: formation | Binaries: general | Stars: individual (Dolidze-Arakelyan 21, S1) | Radiation mechanisms: nonthermal | Astrometry
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 01/2019, Volume 621, p. A119
Journal Article
ASTROPHYSICAL JOURNAL (ISSN 0004-637X), ISSN 0004-637X, 2017, Volume 834, Issue 2, p. 142
We present the results of the Gould's Belt Distances Survey of young star-forming regions toward the Orion Molecular Cloud Complex. We detected 36 young... 
ISM: individual objects (Orion Molecular Clouds) | parallaxes | stars: kinematics and dynamics | astrometry | radiation mechanisms: nonthermal | NEBULA CLUSTER | MULTIPLICITY | RESOLUTION | LINED SPECTROSCOPIC BINARY | YOUNG STELLAR POPULATION | MASS RUNAWAY STARS | PROPER MOTIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | HISTORY
Journal Article
Astrophysical Journal, ISSN 0004-637X, 02/2017, Volume 836, Issue 1, p. 96
Ultra-compact (UC)H ii regions represent a very early stage of massive star formation. The structure and evolution of these regions are not yet fully... 
H II regions | radio continuum: ISM | COSMIC RADIO SOURCES | EVOLUTION | PLASMA | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COMPACTS | CONFIGURATION | MASS | STARS | LIFETIME
Journal Article
Astrophysical Journal Letters, ISSN 2041-8205, 09/2010, Volume 722, Issue 1
We have used the greatly enhanced spectral capabilities of the Expanded Very Large Array to observe both the 22.3 GHz continuum emission and the H66{\alpha}... 
Physics - Astrophysics of Galaxies | MICROWAVE EQUIPMENT | ABUNDANCE | FLUX DENSITY | ELEMENTS | EQUIPMENT | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | HELIUM | RARE GASES | FLUIDS | GASES | RECOMBINATION | FREQUENCY RANGE | AMPLIFIERS | ELECTRON TEMPERATURE | ELECTRONIC EQUIPMENT | GHZ RANGE | NONMETALS | GHZ RANGE 01-100 | HYDROGEN | EQUILIBRIUM | MASERS | STARS | MICROWAVE AMPLIFIERS | EMISSION | LTE
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 02/2019, Volume 871, Issue 2, p. 172
We present Very Large Array observations at 33.0 GHz that detect emission coincident with epsilon Eridani to within 0.'' 07 (0.2 au at the distance of this... 
radio continuum: stars | stars: individual (epsilon Eri) | PROFILES | RING | ASTRONOMY & ASTROPHYSICS | DYNAMICS | STARS | RADIATION | DEBRIS DISK
Journal Article
ASTROPHYSICAL JOURNAL (ISSN 0004-637X), ISSN 0004-637X, 2017, Volume 834, Issue 2, p. 141
We present the first results of the Gould's Belt Distances Survey (GOBELINS), a project aimed at measuring the proper motion and trigonometric parallax of a... 
radiation mechanisms: non-thermal | radio continuum: stars | astrometry | techniques: interferometric | HIPPARCOS CATALOG | MOLECULAR CLOUDS | RHO-OPHIUCHI | MAIN-SEQUENCE STARS | T-TAURI SOUTH | STAR-FORMING REGIONS | YOUNG STELLAR OBJECTS | PROPER MOTIONS | ASTRONOMY & ASTROPHYSICS | X-RAY | VLBA DETERMINATION
Journal Article
Journal Article
Astrophysical Journal, ISSN 0004-637X, 11/2018, Volume 867, Issue 2, p. 151
We present an analysis of the astrometric results from the Gaia second data release (DR2) for young stellar objects (YSOs) in star-forming regions related to... 
stars: formation | stars: kinematics and dynamics | astrometry | CHAMAELEONTIS | POPULATION | CHAMELEON-I | LOW-MASS STARS | INTERSTELLAR-MEDIUM | FIELD EXTINCTION MAPS | BROWN DWARFS | ASTRONOMY & ASTROPHYSICS | GAS | SHELLS | CLUSTER
Journal Article