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Proplyds
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Stars/galaxy News
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72
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30485
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Astronomers using the Submillimeter Array (SMA) on Mauna Kea, Hawaii, confirmed, for the first time, that many of the objects termed "
Proplyds" found in the Orion Nebula do have sufficient material to form new p...
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BD+20 307
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Stars/galaxy News
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1606
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A team of American astronomers discovered that two terrestrial planets underwent a collision only a few hundred thousand years ago. They were studying what was presumably a very dusty main sequence star in an attempt to determine its age. During this time independent research revealed this star w...
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Planet Formation
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Astronomy News
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25085
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New theoretical work shows that gas-giant planet formation can occur around binary stars in much the same way that it occurs around single stars like the Sun. The work is presented by Dr. Alan Boss of the Carnegie Institution’s Department of Terrestrial Magnetism (DTM) at the American Astronomica...
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HD191089
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Stars
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0
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1346
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Title: Resolved Imaging of the HD191089 Debris Disc Authors: Laura J. Churcher, Mark C. Wyatt, Rachel Smith Two thirds of the F star members of the 12 Myr old Beta Pictoris Moving Group (BPMG) show significant excess emission in the mid-infrared, several million years after the expected dispersal...
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Protoplanetary Disk Dust
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Stars/galaxy News
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7902
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Title: A Spitzer Survey of Protoplanetary Disk Dust in the Young Serpens Cloud: How do Dust Characteristics Evolve with Time? Authors: Isa Oliveira, Klaus M. Pontoppidan, Bruno Merin, Ewine F. van Dishoeck, Fred Lahuis, Vincent C. Geers, Jes K. Jorgensen, Johan Olofsson, Jean-Charles Augereau...
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Circumstellar disks
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Stars/galaxy News
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5
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3001
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Title: Tracing the potential planet-forming regions around seven pre-main-sequence stars Authors: A. A. Schegerer, S. Wolf, C. A. Hummel, S. P. Quanz, A. Richichi We investigate the nature of the innermost regions of seven circumstellar disks around pre-main-sequence stars. Our object sampl...
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Protostellar Disks
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Stars/galaxy News
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1334
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Title: The Location of the Snow Line in Protostellar Disks Authors: Morris Podolak The snow line in a gas disk is defined as the distance from the star beyond which the water ice is stable against evaporation. Since oxygen is the most abundant element after hydrogen and helium, the presence of ice gra...
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