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8 papers · 2 filters
The distribution of warm gas in the G327.3--0.6 massive star-forming region
S. Leurini, F. Wyrowski, F. Herpin +3
Most studies of high-mass star formation focus on massive luminous clumps, but the physical properties of their larger scale environment are poorly known. In this work, we aim at c…
The complete far-infrared and submillimeter spectrum of the Class 0 protostar Serpens SMM1 obtained with Herschel. Characterizing UV-irradiated shocks heating and chemistry
Javier R. Goicoechea, J. Cernicharo, A. Karska +8
We present the first complete 55-671 um spectral scan of a low-mass Class 0 protostar (Serpens SMM1) taken with the PACS and SPIRE spectrometers on board Herschel. More than 145 li…
Matryoshka Holes: Nested Emission Rings in the Transitional Disk Oph IRS 48
Joanna M. Brown, Katherine A. Rosenfeld, Sean M. Andrews +2
The processes that form transition disks - disks with depleted inner regions - are not well understood; possible scenarios include planet formation, grain growth and photoevaporati…
First detection of water vapor in a pre-stellar core
Paola Caselli, Eric Keto, Edwin A. Bergin +11
Water is a crucial molecule in molecular astrophysics as it controls much of the gas/grain chemistry, including the formation and evolution of more complex organic molecules in ice…
Herschel Search for O2 Toward the Orion Bar
Gary J. Melnick, Volker Tolls, Paul F. Goldsmith +15
We report the results of a search for molecular oxygen (O2) toward the Orion Bar, a prominent photodissociation region at the southern edge of the HII region created by the luminou…
The massive protostar W43-MM1 as seen by Herschel-HIFI water spectra: high turbulence and accretion luminosity
F. Herpin, L. Chavarria, F. van der Tak +7
We present Herschel/HIFI observations of fourteen water lines in W43-MM1, a massive protostellar object in the luminous star cluster-forming region W43. We analyze the gas dynamics…