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We report detection of moderate to high-mass star formation in an infrared dark cloud (G11.11-0.12) where we discovered class II methanol and water maser emissions at 6.7 GHz and 22.2 GHz, respectively. We also observed the object in…

Astrophysics · Physics 2009-11-13 Thushara Pillai , Friedrich Wyrowski , Karl M. Menten , Endrik Kr"ugel

We present new observations from Z-Spec, a broadband 185-305 GHz spectrometer, of five sub-millimeter bright lensed sources selected from the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) science demonstration phase (SDP)…

We have analized a sample of 327 clusters of galaxies spanning the range 0.06-0.70 in redshift. Strong constraints on their mean intracluster emission by dust have been obtained using maps and catalogs from the HERSCHEL HerMES project;…

Astrophysics of Galaxies · Physics 2017-01-25 C. M. Gutierrez , M. Lopez-Corredoira

We describe far infrared observations of early-type galaxies selected from the ISO archive. This rather inhomogeneous sample includes 39 giant elliptical galaxies and 14 S0 (or later) galaxies. These galaxies were observed using a variety…

Astrophysics · Physics 2016-08-30 Pasquale Temi , Fabrizio Brighenti , William G. Mathews , Jesse D. Bregman

We present optical through radio observations of the host galaxies of two dust obscured, luminous quasars selected in the mid-infrared, at z=2.62 and z=2.99, including a search for CO emission. Our limits on the CO luminosities are…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Mark Lacy , Andreea O. Petric , Alejo Martinez-Sansigre , Susan E. Ridgway , Anna Sajina , Tanya Urrutia , Duncan Farrah

Unless properly corrected for, the existence of intergalactic dust will introduce a redshift dependent magnitude offset to standard candle sources. This would lead to overestimated luminosity distances compared to a dust-free universe and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Joel Johansson , Edvard Mortsell

We study the Spectral Energy Distributions, SEDs, (from FUV to MIR bands) of the first sizeable sample of 34 low-luminosity radio galaxies at high redshifts, selected in the COSMOS field. To model the SEDs we use two different…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Ranieri D. Baldi , Marco Chiaberge , Alessandro Capetti , Javier Rodriguez-Zaurin , Susana Deustua , William B. Sparks

We present and analyse high-quality SCUBA 850- and 450-um images of 14 local spiral galaxies, including the detection of dust well out into the extended disk in many cases. We use these data in conjunction with published far-IR flux…

Astrophysics · Physics 2009-11-10 J. A. Stevens , M. Amure , W. K. Gear

We propose a novel method to constrain the spatial extent of dust around galaxies through the measurement of dust temperature. Our method combines the dust emission of galaxies from far-infrared (FIR) image stacking analysis and the quasar…

Astrophysics of Galaxies · Physics 2015-06-03 Toshiya Kashiwagi , Yasushi Suto

We use 10,387 galaxies from the Herschel Astrophysical TeraHertz Large Area Survey (H-ATLAS) to probe the far-infrared radio correlation (FIRC) of star forming galaxies as a function of redshift, wavelength, and effective dust temperature.…

We present a study of the infrared properties for a sample of seven spectroscopically confirmed submillimeter galaxies at $z>$4.0. By combining ground-based near-infrared, Spitzer IRAC and MIPS, Herschel SPIRE, and ground-based…

The spectral energy distributions (SEDs) of dust-enshrouded galaxies with powerful restframe far-infrared emission have been constrained by a range of ground-based and space-borne surveys. The IRAS catalog provides a reasonably complete…

Astrophysics · Physics 2009-11-10 Andrew W. Blain , Scott C. Chapman , Ian Smail , Rob Ivison

In the last years, progress has been very rapid in the domain of molecules at high redshift, and we know in better detail now the molecular and dust content in several systems beyond z=1 and up to z = 5. The first discovery in 1992 by Brown…

Astrophysics · Physics 2016-08-30 F. Combes

We describe the infrared properties of sources detected over ~36 deg^2 of sky in the GAMA 15-hr equatorial field, using data from both the Herschel Astrophysical Terahertz Large-Area Survey (H-ATLAS) and Wide-field Infrared Survey (WISE).…

We present millimetre observations of a sample of 12 high redshift ultraluminous infrared galaxies (ULIRGs) in the Extended Growth Strip (EGS). These objects were initially selected on the basis of their observed mid--IR colours (0.0 <…

Astrophysics · Physics 2009-11-13 J. D. Younger , A. Omont , N. Fiolet , J. -S. Huang , G. G. Fazio , K. Lai , M. Polletta , D. Rigopoulou , R. Zylka

A set of six debris disk candidates identified with IRAS or WISE excesses were observed at either 350 um or 450 um with the CSO. Five of the targets - HIP 51658, HIP 68160, HIP 73512, HIP 76375, and HIP 112460 - have among the largest…

Solar and Stellar Astrophysics · Physics 2015-06-16 J. Bulger , T. Hufford , A. Schneider , J. Patience , I. Song , R. J. De Rosa , A. Rajan , C. D. Dowell , D. McCarthy , C. Kulesa

We present the results of an 850 micron JCMT/SCUBA survey for dust around 13 nearby solar mass stars. The dust mass sensitivity ranged from 0.005 to 0.16 Earth masses. Three sources were detected in the survey, one of which (HD 107146) has…

Astrophysics · Physics 2009-11-13 Joan Najita , Jonathan P. Williams

The Spitzer Space Telescope was used to study the mid-infrared to far-infrared properties of NGC 300, and to compare dust emission to Halpha to elucidate the heating of the ISM and the star formation cycle at scales < 100 pc. The new data…

We have observed 104 gravitationally-lensed quasars at $z\sim1-4$ with Herschel/SPIRE, the largest such sample ever studied. By targeting gravitational lenses, we probe intrinsic far-infrared (FIR) luminosities and star formation rates…

We explore the nature of variations in dust emission within an individual galaxy using 3.6 - 160 micron Spitzer Space Telescope observations and 450 and 850 micron James Clerk Maxwell Telescope observations of the edge-on Sd spiral galaxy…