Showing 2010 · astro-ph.GAShow all

81 papers · 2 filters

astro-ph.GA2010★ 262 cited

Water in Star-Forming Regions with the Herschel Space Observatory (WISH): Overview of key program and first results

E. F. van Dishoeck, L. E. Kristensen, A. O. Benz +12

`Water In Star-forming regions with Herschel' (WISH) is a key program on the Herschel Space Observatory designed to probe the physical and chemical structure of young stellar objec…

astro-ph.GA2010★ 25 cited

The QUaD Galactic Plane Survey II: A Compact Source Catalog

T. Culverhouse, P. Ade, J. Bock +28

We present a catalog of compact sources derived from the QUaD Galactic Plane Survey. The survey covers ~800 square degrees of the inner galaxy (|b|<4 degrees) in Stokes I, Q and U…

astro-ph.GA2010★ 14 cited

Photon Dominated Regions in NGC 3603

M. Röllig, C. Kramer, C. Rajbahak +32

Aims: We aim at deriving the excitation conditions of the interstellar gas as well as the local FUV intensities in the molecular cloud surrounding NGC 3603 to get a coherent pictur…

astro-ph.GA2010★ 22 cited

The Discovery of Infrared Rings in the Planetary Nebula NGC 1514 During the WISE All-Sky Survey

Michael E. Ressler, Martin Cohen, Stefanie Wachter +3

We report the discovery of a pair of infrared, axisymmetric rings in the planetary nebula NGC 1514 during the course of the WISE all-sky mid-infrared survey. Similar structures are…

astro-ph.GA2010★ 22 cited

Distribution of Water Vapor in Molecular Clouds

Gary J. Melnick, Volker Tolls, Ronald L. Snell +5

We report the results of a large-area study of water vapor along the Orion Molecular Cloud ridge, the purpose of which was to determine the depth-dependent distribution of gas-phas…

astro-ph.GA2010★ 97 cited

The First Ultra-Cool Brown Dwarf Discovered by the Wide-field Infrared Survey Explorer

A. Mainzer, Michael C. Cushing, M. Skrutskie +17

We report the discovery of the first new ultra-cool brown dwarf found with the Wide-field Infrared Survey Explorer (WISE). The object's preliminary designation is WISEPC J045853.90…

astro-ph.GA2010★ 123 cited

The Bolocam Galactic Plane Survey IV: 1.1 and 0.35 mm Dust Continuum Emission in the Galactic Center Region

John Bally, James Aguirre, Cara Battersby +17

The Bolocam Galactic Plane Survey (BGPS) data for a six square degree region of the Galactic plane containing the Galactic center is analyzed and compared to infrared and radio con…

astro-ph.GA2010★ 292 cited

The Bolocam Galactic Plane Survey: Survey Description and Data Reduction

James E. Aguirre, Adam G. Ginsburg, Miranda K. Dunham +13

We present the Bolocam Galactic Plane Survey (BGPS), a 1.1 mm continuum survey at 33" effective resolution of 170 square degrees of the Galactic Plane visible from the northern hem…

astro-ph.GA2010★ 11 cited

Deconvolution of Images from BLAST 2005: Insight into the K3-50 and IC 5146 Star-Forming Regions

Arabindo Roy, Peter A. R. Ade, James J. Bock +26

We present an implementation of the iterative flux-conserving Lucy-Richardson (L-R) deconvolution method of image restoration for maps produced by the Balloon-borne Large Aperture…

astro-ph.GA2010★ 10 cited

Occultation of the Quiescent Emission from Sgr A* by IR Flares

F. Yusef-Zadeh, M. Wardle, H. Bushouse +2

We have investigated the nature of flare emission from Sgr A* during multi-wavelength observations of this source that took place in 2004, 2005 and 2006. We present evidence for di…

astro-ph.GA2010★ 118 cited

The SAGE-Spec Spitzer Legacy program: The life-cycle of dust and gas in the Large Magellanic Cloud. Point source classification I

Paul M. Woods, J. M. Oliveira, F. Kemper +55

We present the classification of 197 point sources observed with the Infrared Spectrograph in the SAGE-Spec Legacy program on the Spitzer Space Telescope. We introduce a decision-t…

astro-ph.GA2010★ 251 cited

How Many Infrared Dark Clouds can form Massive Stars and Clusters?

Jens Kauffmann, Thushara Pillai

We present a new assessment of the ability of Infrared Dark Clouds (IRDCs) to form massive stars and clusters. This is done by comparison with an empirical mass-size threshold for…

astro-ph.GA2010★ 48 cited

Detection of OH and HO towards Orion~KL

H. Gupta, P. Rimmer, J. C. Pearson +76

We report observations of the reactive molecular ions OH, HO, and HO towards Orion KL with Herschel/HIFI. All three fine-structure transitions of OH…

astro-ph.GA2010★ 77 cited

Nitrogen hydrides in the cold envelope of IRAS16293-2422

Pierre Hily-Blant, Sébastien Maret, Aurore Bacmann +4

Nitrogen is the fifth most abundant element in the Universe, yet the gas-phase chemistry of N-bearing species remains poorly understood. Nitrogen hydrides are key molecules of nitr…

astro-ph.GA2010★ 339 cited

C in Reflection Nebulae

Kris Sellgren, Michael W. Werner, James G. Ingalls +3

The fullerene C has four infrared-active vibrational transitions at 7.0, 8.5, 17.4 and 18.9 m. We have previously observed emission features at 17.4 and 18.9 m in the…

astro-ph.GA2010★ 28 cited

The Balloon-Borne Large Aperture Submillimeter Telescope (BLAST) 2005: A 10 deg^2 Survey of Star Formation in Cygnus X

Arabindo Roy, Peter A. R. Ade, James J. Bock +27

We present Cygnus X in a new multi-wavelength perspective based on an unbiased BLAST survey at 250, 350, and 500 micron, combined with rich datasets for this well-studied region. O…

astro-ph.GA2010★ 14 cited

The BLAST View of the Star Forming Region in Aquila (ell=45deg,b=0deg)

Alana Rivera-Ingraham, Peter A. R. Ade, James J. Bock +24

We have carried out the first general submillimeter analysis of the field towards GRSMC 45.46+0.05, a massive star forming region in Aquila. The deconvolved 6 deg^2 (3\degree X 2\d…

astro-ph.GA2010★ 16 cited

First Views of a Nearby LIRG: Star Formation and Molecular Gas in IRAS 04296+2923

David S. Meier, Jean L. Turner, Sara C. Beck +3

We present a first look at the local LIRG, IRAS04296+2923. This barred spiral, overlooked because of its location in the Galactic plane, is among the half dozen closest LIRGs. More…

astro-ph.GA2010★ 10 cited

Science with the Keck Interferometer ASTRA Program

J. A. Eisner, R. Akeson, M. Colavita +9

The ASTrometric and phase-Referenced Astronomy (ASTRA) project will provide phase referencing and astrometric observations at the Keck Interferometer, leading to enhanced sensitivi…

astro-ph.GA2010★ 20 cited

The methanol lines and hot core of OMC2-FIR4, an intermediate-mass protostar, with Herschel-HIFI

M. Kama, C. Dominik, S. Maret +61

In contrast with numerous studies on the physical and chemical structure of low- and high-mass protostars, much less is known about their intermediate-mass counterparts, a class of…

astro-ph.GA2010★ 35 cited

Gas morphology and energetics at the surface of PDRs: new insights with Herschel observations of NGC 7023

C. Joblin, P. Pilleri, J. Montillaud +37

We investigate the physics and chemistry of the gas and dust in dense photon-dominated regions (PDRs), along with their dependence on the illuminating UV field. Using Herschel-HIFI…

astro-ph.GA2010★ 92 cited

A high resolution line survey of IRC+10216 with Herschel. First results: Detection of warm silicon dicarbide SiC2

J. Cernicharo, L. B. F. M. Waters, L. Decin +24

We present the first results of a high-spectral-resolution survey of the carbon-rich evolved star IRC+10216 that was carried out with the HIFI spectrometer onboard Herschel. This s…

astro-ph.GA2010★ 37 cited

Herschel observations of EXtra-Ordinary Sources (HEXOS): Observations of H2O and its isotopologues towards Orion KL

G. J. Melnick, V. Tolls, D. A. Neufeld +49

We report the detection of more than 48 velocity-resolved ground rotational state transitions of H2(16)O, H2(18)O, and H2(17)O - most for the first time - in both emission and abso…

astro-ph.GA2010★ 137 cited

The Luminosity, Mass, and Age Distributions of Compact Star Clusters in M83 Based on HST/WFC3 Observations

Rupali Chandar, Bradley C. Whitmore, Hwihyun Kim +21

The newly installed Wide Field Camera 3 (WFC3) on the Hubble Space Telescope has been used to obtain multi-band images of the nearby spiral galaxy M83. These new observations are t…