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Related papers: IC 4406: a radio-infrared comparison

200 papers

We present Northern Extended Millimeter Array (NOEMA) CO(2-1) maps of the z=0.4418 cluster-central QSO IRAS 09104+4109, which trace ~4.5x10^10 Msol of molecular gas in and around the galaxy. As in many low redshift cool core clusters, the…

High angular resolution images of IRC +10216 taken at various bandpasses within the near-infrared h, k & l bands are presented. The maps have the highest angular resolution yet recovered, and were reconstructed from interferometric…

Astrophysics · Physics 2009-11-10 P. G. Tuthill , J. D. Monnier , W. C. Danchi

PSR B0540-69 is often called an extragalactic 'twin' of the Crab pulsar in the Large Magellanic Cloud. The pulsar is embedded in a synchrotron nebula in the center of SNR 0540-69.3. It was discovered with the Einstein satellite with P~50…

Astrophysics · Physics 2007-05-23 A. Slowikowska , G. Kanbach , J. Borkowski , W. Becker

X-ray images and gas temperatures taken from a deep ~200 ks Chandra observation of the Centaurus cluster are presented. Multiple inner bubbles and outer semicircular edges are revealed, together with wispy filaments of soft X-ray emitting…

Astrophysics · Physics 2009-11-10 A. C. Fabian , J. S. Sanders , G. B Taylor , S. W. Allen

We present the mid-infrared spectrum of the planetary nebula IC 2448. In order to determine the chemical composition of the nebula, we use the infrared line fluxes from the Spitzer spectrum along with optical line fluxes from the literature…

Astrophysics · Physics 2010-11-05 S. Guiles , J. Bernard-Salas , S. R. Pottasch , T. L. Roellig

We present MUSE/VLT imaging spectroscopy of rest-frame ultraviolet emission lines and ALMA observations of the [CI] $^3$P$_1$-$^3$P$_0$ emission line, probing both the ionized and diffuse molecular medium around the radio galaxy 4C 19.71 at…

Astrophysics of Galaxies · Physics 2021-01-27 Theresa Falkendal , Matthew D. Lehnert , Joël Vernet , Carlos De Breuck , Wuji Wang

The Isaac Newton Telescope Photometric H-alpha Survey (IPHAS) is currently mapping the Northern Galactic plane reaching to r'=20 mag with typically 1" resolution. Hundreds of Planetary Nebulae (PNe), both point-like and resolved, are…

The X-ray burster 4U1850-087, located in the globular cluster NGC6712, is an ultracompact binary likely harbouring a degenerate companion.The source has been observed with INTEGRAL several times, during the monitoring of the Galactic plane,…

Astrophysics · Physics 2007-05-23 Lara Sidoli , Ada Paizis , Angela Bazzano , Sandro Mereghetti

We present SCUBA imaging and photometry of the elliptical galaxy NGC 4374. The imaging observations are used to examine the spatial distribution of thermal emission from dust and the radio to infrared continuum spectrum. In the SCUBA 850 um…

Astrophysics · Physics 2009-10-31 L. L. Leeuw , A. E. Sansom , E. I. Robson

We have analysed optical, near-, and mid-IR images of the bright planetary nebula (PN) IC 418. These images probe unambiguously for the first time a number of low surface brightness structures and shells around the bright main nebula,…

S106 is one of the best known bipolar HII regions, thoroughly studied and modelled at infrared, submillimeter and millimeter wavelengths, and it is one of the nearest examples of the late stages of massive star formation in which the newly…

Solar and Stellar Astrophysics · Physics 2018-07-18 F. Comerón , N. Schneider , A. A. Djupvik , C. Schnugg

We present new imaging at 12.81 and 11.7 microns of the central ~40"x30" (~0.7x0.5 kpc) of the starburst galaxy M82. The observations were carried out with the COMICS mid-infrared (mid-IR) imager on the 8.2m Subaru telescope, and are…

Astrophysics of Galaxies · Physics 2015-05-27 P. Gandhi , N. Isobe , M. Birkinshaw , D. M. Worrall , I. Sakon , K. Iwasawa , A. Bamba

We report the discovery of a new young stellar cluster in the outer Galaxy located at the position of an IRAS PSC source that has been previously mis-identified as an external galaxy. The cluster is seen in our near-infrared imaging towards…

Solar and Stellar Astrophysics · Physics 2015-08-06 J. L. Yun , D. Elia , A. A. Djupvik , J. M. Torrelles , S. Molinari

IC 2144 is a small reflection nebula located in the zone of avoidance near the Galactic anticenter. It has been investigated here largely on the basis of Keck/HIRES optical spectroscopy (R ~ 48,000) and a SpeX spectrogram in the near-IR (R…

Astrophysics · Physics 2009-11-13 G. H. Herbig , William D. Vacca

The BD+40\degree4124 region was observed with high angular and spectral resolution with the German heterodyne instrument GREAT in CO J = 13 \rightarrow 12 and [CII] on SOFIA. These observations show that the [CII] emission is very strong in…

An investigation of the IRAS 16148-5011 region - a cluster at a distance of 3.6 kpc - is presented here, carried out using multiwavelength data in near-infrared (NIR) from the 1.4m Infrared Survey Facility telescope, mid-infrared (MIR) from…

Astrophysics of Galaxies · Physics 2015-06-23 K. K. Mallick , D. K. Ojha , M. Tamura , H. Linz , M. R. Samal , S. K. Ghosh

We present new millimetre 43 GHz observations of a sample of radio-bright Planetary Nebulae. Such observations were carried out to have a good determination of the high-frequency radio spectra of the sample in order to evaluate, together…

Astrophysics · Physics 2009-11-13 G. Umana , P. Leto , C. Trigilio , C. S. Buemi , P. Manzitto , S. Toscano , S. Dolei , L. Cerrigone

HST/NICMOS images of the class I protostar TMR-1 (IRAS04361+2547) reveal a faint companion with 10.0" = 1400 AU projected separation. The central protostar is itself resolved as a close binary with 0.31" = 42 AU separation, surrounded by…

Astrophysics · Physics 2009-10-30 S. Terebey , D. Van Buren , D. L. Padgett , T. Hancock , M. Brundage

We investigated the physical and chemical properties of the gas and dust components in a carbon-rich planetary nebula (PN) IC2165 using two-dimensional (2-D) emission-line maps with superior resolution. The extinction map is generated in a…

Solar and Stellar Astrophysics · Physics 2022-03-09 Masaaki Otsuka

We present near-infrared imaging and spectroscopic observations of two FR II high-redshift radio galaxies (HzRGs), 4C 40.36 (z=2.3) and 4C 39.37 (z=3.2), obtained with the Hubble, Keck, and Hale Telescopes. High resolution images were taken…

Astrophysics · Physics 2009-11-07 E. Egami , L. Armus , G. Neugebauer , T. W. Murphy , B. T. Soifer , K. Matthews , A. S. Evans