output
19922025
most citedThe Arecibo Legacy Fast ALFA Survey: I. Science Goals, Survey Design and Strategy

830 citations

Showing astro-ph.GAShow all

29 papers · 1 filter

astro-ph.GA2019

Radio Recombination Line Observations Toward the Massive Star Forming Region W51 IRS1

Mishaal. I. Jan, D. Anish Roshi, M. E. Lebrón +6

We observed radio recombination lines (RRLs) toward the W51 molecular cloud complex, one of the most active star forming regions in our Galaxy. The UV radiation from young massive…

astro-ph.GA2017★ 7 cited

Long-term Variability of HCO Masers in Star-forming Regions

N. Andreev, E. D. Araya, I. M. Hoffman +5

We present results of a multi-epoch monitoring program on variability of 6cm formaldehyde (HCO) masers in the massive star forming region NGC7538IRS1 from 2008…

astro-ph.GA2016★ 13 cited

The segregation of starless and protostellar clumps in the Hi-GAL l=224deg region

L. Olmi, M. Cunningham, D. Elia +1

Stars form in dense, dusty structures, which are embedded in larger clumps of molecular clouds often showing a clear filamentary structure on large scales (> 1pc). One of the best-…

astro-ph.GA2015★ 2 cited

Herschel-HIFI observations of H2O, NH3 and N2H+ toward high-mass starless and proto-stellar clumps identified by the Hi-GAL survey

Luca Olmi, Carina M. Persson, Claudio Codella

Our present understanding of high-mass star formation still remains very schematic. In particular, it is not yet clear how much of the difference between low-mass and high-mass sta…

astro-ph.GA2014★ 16 cited

Comparison of Prestellar Core Elongations and Large-Scale Molecular Cloud Structures in the Lupus I Region

F. Poidevin, P. A. R. Ade, F. E. Angile +28

Turbulence and magnetic fields are expected to be important for regulating molecular cloud formation and evolution. However, their effects on subparsec to 100 parsec scales, leadin…

astro-ph.GA2013★ 3 cited

On the shape of the mass-function of dense clumps in the Hi-GAL fields. II. Using Bayesian inference to study the clump mass function

L. Olmi, D. Angles-Alcazar, D. Elia +6

Context. Stars form in dense, dusty clumps of molecular clouds, but little is known about their origin, their evolution and their detailed physical properties. In particular, the r…

astro-ph.GA2013★ 18 cited

Discovery of weak 6.7-GHz CH3OH masers in a sample of high-mass Hi-GAL sources

L. Olmi, E. D. Araya, P. Hofner +4

Maser lines from different molecular species, including water, hydroxyl, and methanol, are common observational phenomena associated with massive star forming regions. In particula…

astro-ph.GA2013★ 48 cited

Lupus I Observations from the 2010 Flight of the Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry

Tristan G. Matthews, Peter A. R. Ade, Francesco E. Angilè +29

The Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry (BLASTPol) was created by adding polarimetric capability to the BLAST experiment that was flown in 2003, 20…

astro-ph.GA2013★ 16 cited

Ionization toward the high-mass star-forming region NGC 6334 I

J. L. Morales Ortiz, C. Ceccarelli, D. C. Lis +3

Context. Ionization plays a central role in the gas-phase chemistry of molecular clouds. Since ions are coupled with magnetic fields, which can in turn counteract gravitational col…

astro-ph.GA2013★ 119 cited

The first Hi-GAL observations of the outer Galaxy: a look to star formation in the third Galactic quadrant in the longitude range 216.5 < l < 225.5

D. Elia, S. Molinari, Y. Fukui +17

We present the first Herschel PACS and SPIRE photometric observations in a portion of the outer Galaxy ( and $-2^{\circ} \lesssi…

astro-ph.GA2013★ 34 cited

A Hi-GAL study of the high-mass star-forming region G29.96-0.02

M. T. Beltran, L. Olmi, R. Cesaroni +9

Context. G29.96-0.02 is a high-mass star-forming cloud observed at 70, 160, 250, 350, and 500 microns as part of the Herschel survey of the Galactic Plane during the Science Demons…

astro-ph.GA2013★ 9 cited

Spitzer-IRAC survey of molecular jets in Vela-D

T. Giannini, D. Lorenzetti, M. De Luca +10

We present a survey of H2 jets from young protostars in the Vela-D molecular cloud (VMR-D), based on Spitzer -IRAC data between 3.6 and 8.0 micron. Our search has led to the identi…

astro-ph.GA2012★ 20 cited

On the shape of the mass-function of dense clumps in the Hi-GAL fields. I. SED determination and global properties of the mass-functions

L. Olmi, D. Angles-Alcazar, D. Elia +11

Stars form in dense, dusty clumps of molecular clouds, but little is known about their origin and evolution. In particular, the relationship between the mass distribution of these…

astro-ph.GA2012★ 12 cited

Discovery of 6.035GHz Hydroxyl Maser Flares in IRAS18566+0408

A. A. Al-Marzouk, E. D. Araya, P. Hofner +3

We report the discovery of 6.035GHz hydroxyl (OH) maser flares toward the massive star forming region IRAS18566+0408 (G37.55+0.20), which is the only region known to show periodic…

astro-ph.GA2012★ 5 cited

A spectral line survey of the starless and proto-stellar cores detected by BLAST toward the Vela-D molecular cloud

Jorge L. Morales Ortiz, Luca Olmi, Michael Burton +6

We present a 3-mm and 1.3-cm spectral line survey conducted with the Mopra 22-m and Parkes 64-m radio telescopes of a sample of 40 cold dust cores, previously observed with BLAST,…

astro-ph.GA2011★ 115 cited

Evidence for Environmental Changes in the Submillimeter Dust Opacity

Peter G. Martin, Arabindo Roy, Sylvain Bontemps +25

The submillimeter opacity of dust in the diffuse Galactic interstellar medium (ISM) has been quantified using a pixel-by-pixel correlation of images of continuum emission with a pr…

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★ 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★ 2 cited

An Expanding HI Photodissociated Region Associated with the Compact HII Region G213.880-11.837 in the GGD 14 Complex

Yolanda Gomez, Guido Garay, Carlos A. Rodriguez-Rico +5

We present high angular and spectral resolution HI 21~cm line observations toward the cometary-shaped compact HII region G213.880-11.837 in the GGD~14 complex.The kinematics and mo…

astro-ph.GA2010★ 3 cited

The molecular environment of the Galactic star forming region G19.61-0.23

G. Santangelo, L. Testi, S. Leurini +10

We present single-dish (sub)millimeter observations of gas and dust in the Galactic high-mass star-forming region G19.61-0.23, with the aim of studying the large-scale properties a…

astro-ph.GA2010★ 89 cited

Quasi-Periodic Formaldehyde Maser Flares in the Massive Protostellar Object IRAS18566+0408

E. D. Araya, P. Hofner, W. M. Goss +5

We report results of an extensive observational campaign of the 6 cm formaldehyde maser in the young massive stellar object IRAS18566+0408 (G37.55+0.20) conducted from 2002 to 2009…

astro-ph.GA2010★ 71 cited

A Herschel study of YSO evolutionary stages and formation timelines in two fields of the Hi-GAL survey

D. Elia, E. Schisano, S. Molinari +28

We present a first study of the star-forming compact dust condensations revealed by Herschel in the two 2 \times 2 \degr Galactic Plane fields centered at [l;b] = [30\degr; 0 \degr…

astro-ph.GA2010★ 7 cited

The BLAST Survey of the Vela Molecular Cloud: Dynamical Properties of the Dense Cores in Vela-D

Luca Olmi, Daniel Angles-Alcazar, Massimo De Luca +6

The Vela-D region, according to the nomenclature given by Murphy & May (1991), of the star forming complex known as the Vela Molecular Ridge (VMR), has been recently analyzed in de…