output
19962026
most citedPlanck 2013 results. XVI. Cosmological parameters

6.6k citations

Showing 2011 · astro-ph.GAShow all

27 papers · 2 filters

astro-ph.GA2011★ 38 cited

Discovery of the Youngest Molecular Outflow associated with an Intermediate-mass protostellar Core, MMS-6/OMC-3

Satoko Takahashi, Paul Ho

We present sub-arcsecond resolution HCN (4-3) and CO (3-2) observations made with the Submillimeter Array (SMA), toward an extremely young intermediate-mass protostellar core, MMS…

astro-ph.GA2011★ 76 cited

Surviving the hole I: Spatially resolved chemistry around Sgr A*

S. Martín, J. Martín-Pintado, M. Montero-Castaño +2

The interstellar region within the few central parsecs around the super-massive black hole, Sgr A* at the very Galactic center is composed by a number of overlapping molecular stru…

astro-ph.GA2011

Identification of Spitzer-IRS staring mode targets in the Magellanic Clouds

Paul M. E. Ruffle, Paul M. Woods, F. Kemper

The SAGE-LMC, SAGE-SMC and HERITAGE surveys have mapped the Magellanic Clouds in the infrared using the Spitzer and Herschel Space Telescopes. Over 8.5 million point sources were d…

astro-ph.GA2011★ 43 cited

Interferometric CO(3-2) Observations toward the Central Region of NGC 1068

Mengchun Tsai, Chorng-Yuan Hwang, Satoki Matsushita +2

We present CO(3-2) interferometric observations of the central region of the Seyfert 2 galaxy NGC 1068 using the Submillimeter Array, together with CO(1-0) data taken with the Owen…

astro-ph.GA2011★ 62 cited

Unveiling the physical properties and kinematics of molecular gas in the Antennae Galaxies (NGC 4038/9) through high resolution CO (J = 3-2) observations

Junko Ueda, Daisuke Iono, Glen Petitpas +12

We present a ~ 1" (100 pc) resolution 12CO (3-2) map of the nearby intermediate stage interacting galaxy pair NGC 4038/9 (the Antennae galaxies) obtained with the Submillimeter Arr…

astro-ph.GA2011★ 65 cited

Observing a column-dependent zeta in dense interstellar sources: the case of the Horsehead Nebula

P. B. Rimmer, E. Herbst, O. Morata +1

Context: Observations of small carbon-bearing molecules such as CCH, C4H, c-C3H2, and HCO in the Horsehead Nebula have shown these species to have higher abundances towards the edg…

astro-ph.GA2011★ 34 cited

Deuterium Fractionation as an Evolutionary Probe in Massive Proto-stellar/cluster Cores

Huei-Ru Chen, Sheng-Yuan Liu, Yu-Nung Su +1

Clouds of high infrared extinction are promising sites of massive star/cluster formation. A large number of cloud cores discovered in recent years allows investigation of possible…

astro-ph.GA2011★ 37 cited

Intermediate-mass hot cores at 500 AU: disks or outflows?

Aina Palau, Asuncion Fuente, Josep M. Girart +12

Observations with the Plateau de Bure Interferometer in the most extended configuration toward two intermediate-mass star-forming regions, IRAS22198+6336 and AFGL5142, reveal the p…

astro-ph.GA2011★ 39 cited

Millimeter multiplicity in DR21(OH): outflows, molecular cores and envelopes

Luis A. Zapata, Laurent Loinard, Y. -N. Su +4

We present sensitive high angular resolution ( 1) millimeter continuum and line observations from the massive star forming region DR21(OH) located in the Cygnus X molecula…

astro-ph.GA2011★ 19 cited

A Rotating Disk in the HH 111 Protostellar System

Chin-Fei Lee

The HH 111 protostellar system is a young Class I system with two sources, VLA 1 and VLA 2, at a distance of 400 pc. Previously, a flattened envelope has been seen in C18O to be in…

astro-ph.GA2011★ 24 cited

A rotating molecular disk toward IRAS 18162-2048, the exciting source of HH 80-81

Manuel Fernández-López, Josep M. Girart, Salvador Curiel +3

We present several molecular line emission arcsec and subarcsec observations obtained with the Submillimeter Array (SMA) in the direction of the massive protostar IRAS 18162-2048,…

astro-ph.GA2011★ 38 cited

Molecular outflows and hot molecular core in G24.78+0.08 at sub-arcsecond angular resolution

M. T. Beltran, R. Cesaroni, Q. Zhang +5

Context. This study is part of a large project to study the physics of accretion and molecular outflows towards a selected sample of high-mass star-forming regions that show eviden…

astro-ph.GA2011★ 188 cited

Nonideal MHD Effects and Magnetic Braking Catastrophe in Protostellar Disk Formation

Zhi-Yun Li, Ruben Krasnopolsky, Hsien Shang

Dense, star-forming, cores of molecular clouds are observed to be significantly magnetized. A realistic magnetic field of moderate strength has been shown to suppress, through cata…

astro-ph.GA2011★ 12 cited

Skewed Distributions and Opposite Velocity Gradients of Submillimeter Molecular Lines in Low-Mass Protostellar Envelopes

Shigehisa Takakuwa, Takeshi Kamazaki

We have made mapping observations of L1551 IRS 5, L1551NE, L723, and L43 and single-point observations of IRAS 16293-2422 in the submillimeter CS (J = 7-6) and HCN (J = 4-3) lines…

astro-ph.GA2011

Time Variability in Simulated Ultracompact and Hypercompact HII Regions

Roberto Galván-Madrid, Thomas Peters, Eric Keto +3

Ultracompact and hypercompact HII regions appear when a star with a mass larger than about 15 solar masses starts to ionize its own environment. Recent observations of time variabi…

astro-ph.GA2011★ 80 cited

The Role of Dust in the Early Universe I : Protogalaxy Evolution

Daisuke Yamasawa, Asao Habe, Takashi Kozasa +4

We develop one-zone galaxy formation models in the early Universe, taking into account dust formation and evolution by supernova (SN) explosions. Especially we focus on the time ev…

astro-ph.GA2011★ 58 cited

Dispersion of Magnetic Fields in Molecular Clouds. III

Martin Houde, Ramprasad Rao, John E. Vaillancourt +1

We apply our technique on the dispersion of magnetic fields in molecular clouds to high spatial resolution Submillimeter Array polarization data obtained for Orion KL in OMC-1, IRA…

astro-ph.GA2011★ 21 cited

First Chemical Analysis of Stars in The Triangulum-Andromeda Star Cloud

Mei-Yin Chou, Steven R. Majewski, Katia Cunha +3

We undertake the first high resolution spectroscopic study of the Triangulum-Andromeda (TriAnd) star cloud --- an extended, mid-latitude Milky Way halo substructure about 20 kpc aw…

astro-ph.GA2011★ 13 cited

IRAS 15099-5856: Remarkable Mid-Infrared Source with Prominent Crystalline Silicate Emission Embedded in the Supernova Remnant MSH15-52

Bon-Chul Koo, Christopher F. McKee, Kyung-Won Suh +18

We report new mid-infrared observations of the remarkable object IRAS 15099-5856 using the space telescopes AKARI and Spitzer, which demonstrate the presence of prominent crystalli…

astro-ph.GA2011★ 201 cited

Planck Early Results: The Galactic Cold Core Population revealed by the first all-sky survey

Planck Collaboration, P. A. R. Ade, N. Aghanim +202

We present the statistical properties of the first version of the Cold Core Catalogue of Planck Objects (C3PO), in terms of their spatial distribution, temperature, distance, mass,…

astro-ph.GA2011★ 114 cited

Planck Early Results: The submillimetre properties of a sample of Galactic cold clumps

Planck Collaboration, P. A. R. Ade, N. Aghanim +201

(abridged) We perform a detailed investigation of sources from the Cold Cores Catalogue of Planck Objects (C3PO). Our goal is to probe the reliability of the detections, validate t…

astro-ph.GA2011★ 453 cited

Planck Early Results: All sky temperature and dust optical depth from Planck and IRAS: Constraints on the "dark gas" in our galaxy

Planck Collaboration, P. A. R. Ade, N. Aghanim +204

We construct an all-sky map of the apparent temperature and optical depth of thermal dust emission using the Planck-HFI and IRAS data. The optical depth maps are correlated to trac…

astro-ph.GA2011★ 117 cited

Planck early results. XV. Spectral energy distributions and radio continuum spectra of northern extragalactic radio sources

Planck Collaboration, J. Aatrokoski, P. A. R. Ade +246

Spectral energy distributions (SEDs) and radio continuum spectra are presented for a northern sample of 104 extragalactic radio sources, based on the Planck Early Release Compact S…

astro-ph.GA2011★ 239 cited

Planck Early Results: Thermal dust in Nearby Molecular Clouds

Planck Collaboration, A. Abergel, P. A. R. Ade +197

Planck allows unbiased mapping of Galactic sub-millimetre and millimetre emission from the most diffuse regions to the densest parts of molecular clouds. We present an early analys…