Showing 2013 · astro-ph.GAShow all

23 papers · 2 filters

astro-ph.GA2013★ 36 cited

First hard X-ray detection of the non-thermal emission around the Arches cluster: morphology and spectral studies with NuSTAR

Roman A. Krivonos, John A. Tomsick, Franz E. Bauer +15

The Arches cluster is a young, densely packed massive star cluster in our Galaxy that shows a high level of star formation activity. The nature of the extended non-thermal X-ray em…

astro-ph.GA2013★ 65 cited

HerMES: Point source catalogues from Herschel-SPIRE observations II

L. Wang, M. Viero, C. Clarke +16

The Herschel Multi-tiered Extragalactic Survey (HerMES) is the largest Guaranteed Time Key Programme on the Herschel Space Observatory. With a wedding cake survey strategy, it cons…

astro-ph.GA2013★ 177 cited

Planck intermediate results. XVII. Emission of dust in the diffuse interstellar medium from the far-infrared to microwave frequencies

Planck Collaboration, A. Abergel, P. A. R. Ade +196

The dust-HI correlation is used to characterize the emission properties of dust in the diffuse interstellar medium. We cross-correlate sky maps from Planck, WMAP, and DIRBE, at 17…

astro-ph.GA2013★ 827 cited

Planck 2013 results. XI. All-sky model of thermal dust emission

Planck Collaboration, A. Abergel, P. A. R. Ade +244

This paper presents an all-sky model of dust emission from the Planck 857, 545 and 353 GHz, and IRAS 100 micron data. Using a modified black-body fit to the data we present all-sky…

astro-ph.GA2013★ 47 cited

CII in the Interstellar Medium: Excitation by H2 Revisited

Laurent Wiesenfeld, Paul F. Goldsmith

C is a critical constituent of many regions of the interstellar medium, as it can be a major reservoir of carbon and, under a wide range of conditions, the dominant gas coolant…

astro-ph.GA2013★ 8 cited

Mid-Infrared Imaging of the Bipolar Planetary Nebula M2-9 from SOFIA

M. W. Werner, R. Sahai, J. Davis +10

We have imaged the bipolar planetary nebula M2-9 using SOFIA's FORCAST instrument in six wavelength bands between 6.6 and 37.1 . A bright central point source, unresolved with…

astro-ph.GA2013★ 17 cited

A Radio Characterization of Galactic compact Bubbles

Adriano Ingallinera, Corrado Trigilio, Grazia Umana +6

We report the radio observations of a sub-sample of the 428 galactic compact bubbles discovered at 24 m with the MIPSGAL survey. Pervasive through the entire Galactic plane, the…

astro-ph.GA2013★ 33 cited

Investigating Active Galactic Nuclei Variability Using Combined Multi-Quarter Kepler Data

Mitchell Revalski, Dawid Nowak, Paul J. Wiita +2

We have used photometry from the Kepler satellite to characterize the variability of four radio-loud active galactic nuclei (AGN) on timescales from years to minutes. The Kepler sa…

astro-ph.GA2013★ 5 cited

Planck intermediate results. XV. A study of anomalous microwave emission in Galactic clouds

Planck Collaboration, P. A. R. Ade, N. Aghanim +180

Anomalous microwave emission (AME) is believed to be due to electric dipole radiation from small spinning dust grains. The aim of this paper is a statistical study of the basic pro…

astro-ph.GA2013★ 20 cited

Multiple Fast Molecular Outflows in the PPN CRL 618

Chin-Fei Lee, Raghvendra Sahai, Carmen Sánchez Contreras +2

CRL 618 is a well-studied pre-planetary nebula. It has multiple highly collimated optical lobes, fast molecular outflows along the optical lobes, and an extended molecular envelope…

astro-ph.GA2013★ 301 cited

Low Virial Parameters in Molecular Clouds: Implications for High Mass Star Formation and Magnetic Fields

Jens Kauffmann, Thushara Pillai, Paul F. Goldsmith

Whether or not molecular clouds and embedded cloud fragments are stable against collapse is of utmost importance for the study of the star formation process. Only "supercritical" c…

astro-ph.GA2013★ 57 cited

Deuterated molecules in Orion KL from Herschel/HIFI

Justin L. Neill, Nathan R. Crockett, Edwin A. Bergin +2

We present a comprehensive study of the deuterated molecules detected in the fullband HIFI survey of the Orion KL region. Ammonia, formaldehyde, and methanol and their singly deute…

astro-ph.GA2013★ 49 cited

Diffuse Molecular Cloud Densities from UV Measurements of CO Absorption

Paul F. Goldsmith

We use UV measurements of interstellar CO towards nearby stars to calculate the density in the diffuse molecular clouds containing the molecules responsible for the observed absorp…

astro-ph.GA2013★ 104 cited

The Mopra Southern Galactic Plane CO Survey

Michael Burton, Catherine Braiding, Christian Glueck +15

We present the first results from a new carbon monoxide (CO) survey of the southern Galactic plane being conducted with the Mopra radio telescope in Australia. The 12CO, 13CO and C…

astro-ph.GA2013★ 80 cited

Planck intermediate results. XIV. Dust emission at millimetre wavelengths in the Galactic plane

Planck Collaboration, P. A. R. Ade, N. Aghanim +190

We use Planck HFI data combined with ancillary radio data to study the emissivity index of the interstellar dust emission in the frequency range 10 - 353 GHz, or 3 - 0.8 mm, in the…

astro-ph.GA2013★ 62 cited

Detection of the Ammonium Ion in Space

J. Cernicharo, B. Tercero, A. Fuente +9

We report on the detection of a narrow feature at 262816.73 MHz towards Orion and the cold prestellar core B1-bS, that we attribute to the 1(0)-0(0) line of the deuterated Ammonium…

astro-ph.GA2013★ 352 cited

A Herschel [CII] Galactic plane survey I: the global distribution of ISM gas components

Jorge L. Pineda, William D. Langer, Thangasamy Velusamy +1

[Abridged] The [CII] 158um line is an important tool for understanding the life cycle of interstellar matter. Ionized carbon is present in a variety of phases of the interstellar m…

astro-ph.GA2013★ 106 cited

Alignment Between Flattened Protostellar Infall Envelopes and Ambient Magnetic Fields

Nicholas L. Chapman, Jacqueline A. Davidson, Paul F. Goldsmith +10

We present 350 micron polarization observations of four low-mass cores containing Class 0 protostars: L483, L1157, L1448-IRS2, and Serp-FIR1. This is the second paper in a larger s…

astro-ph.GA2013★ 16 cited

Mapping the Central Region of the PPN CRL 618 at Sub-arcsecond Resolution at 350 GHz

Chin-Fei Lee, Chun-Hui Yang, Raghvendra Sahai +1

CRL 618 is a well-studied pre-planetary nebula. We have mapped its central region in continuum and molecular lines with the Submillimeter Array at 350 GHz at ~ 0.3" to 0.5" resolut…

astro-ph.GA2013★ 27 cited

Detection of a Nearby Halo Debris Stream in the WISE and 2MASS Surveys

Carl J. Grillmair, Roc Cutri, Frank J. Masci +4

Combining the Wide-Field Infrared Survey Explorer All-Sky Release with the 2MASS Point Source Catalog, we detect a nearby, moderately metal-poor stellar debris stream spanning 24 d…

astro-ph.GA2013★ 221 cited

Planck 2013 results. XIII. Galactic CO emission

Planck Collaboration, P. A. R. Ade, N. Aghanim +238

Rotational transition lines of CO play a major role in molecular radio astronomy and in particular in the study of star formation and the Galactic structure. Although a wealth of d…

astro-ph.GA2013★ 421 cited

Cores, filaments, and bundles: hierarchical core formation in the L1495/B213 Taurus region

A. Hacar, M. Tafalla, J. Kauffmann +1

(Abridged) Context. Core condensation is a critical step in the star-formation process, but is still poorly characterized observationally. Aims. We have studied the 10 pc-long L149…

astro-ph.GA2013★ 26 cited

Planck intermediate results. XII: Diffuse Galactic components in the Gould Belt System

Planck Collaboration, P. A. R. Ade, N. Aghanim +179

We perform an analysis of the diffuse low-frequency Galactic components in the Southern part of the Gould Belt system (130^\circ\leq l\leq 230^\circ and -50^\circ\leq b\leq -10^\ci…