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Related papers: Study of star formation in RCW 106 using far infra…

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We have mapped the dust continuum emission from the molecular cloud covering a region of 28pcx94pc associated with the well-known HII region RCW 106 at 1.2 mm using SIMBA on SEST. The observations, having an HPBW of 24" (0.4 pc), reveal 95…

Astrophysics · Physics 2009-11-10 B. Mookerjea , C. Kramer , M. Nielbock , L. -A. Nyman

The Galactic star forming region in the southern sky, associated with IRAS 09002-4732 has been mapped simultaneously in two far infrared bands (148 & 209 um), with ~ 1' angular resolution. Fifteen sources including IRAS 08583-4719,…

Astrophysics · Physics 2007-05-23 S. K. Ghosh , B. Mookerjea , T. N. Rengarajan , S. N. Tandon , R. P. Verma

Aims: We have carried out an infrared study of the southern Galactic massive star forming region associated with IRAS 14416-5937. Methods: This star forming region has been mapped simultaneously in two far infrared bands at ~ 150 & 210…

Astrophysics · Physics 2009-11-11 S. Vig , S. K. Ghosh , D. K. Ojha , R. P. Verma

The physical conditions of the interstellar medium and stellar components in the regions of the southern Galactic star forming complexes associated with IRAS 10049-5657 and IRAS 10031-5632 have been investigated. These regions have been…

Astrophysics · Physics 2009-11-13 S. Vig , S. K. Ghosh , D. K. Ojha , R. P. Verma

A multiwavelength study of the star forming regions associated with IRAS 19111+1048 and IRAS 19110+1045 has been carried out. These have been simultaneously mapped in two far infrared bands at lambda_eff ~ 130 and 200 micron with ~1'…

Astrophysics · Physics 2016-08-30 S. Vig , S. K. Ghosh , V. K. Kulkarni , D. K. Ojha , R. P. Verma

Two ultracompact H II regions (IRAS 19181+1349 and 20178+4046) and one compact molecular clump (20286+4105) have been observed at far infrared wavelengths using the TIFR 1 m balloon-borne telescope and at mid infrared wavelengths using ISO.…

Astrophysics · Physics 2009-11-07 R. P. Verma , S. K. Ghosh , B. Mookerjea , T. N. Rengarajan

With the aim of investigating the presence of molecular and dust clumps linked to two star forming regions identified in the expanding molecular envelope of the stellar wind bubble RCW78, we analyzed the distribution of the molecular gas…

Astrophysics of Galaxies · Physics 2015-06-17 C. E. Cappa , M. Rubio , G. A. Romero , N. U. Duronea , V. Firpo

We report on the results of an approximately 90 ks Chandra observation of a complex region that hosts multiple sites of recent and active star formation in ARA OB1a. The field is centered on the embedded cluster RCW 108-IR and includes and…

Triggered star formation around HII regions could be an important process. The Galactic HII region RCW 79 is a prototypical object for triggered high-mass star formation. We take advantage of Herschel data from the surveys HOBYS, "Evolution…

Using the ISOPHOT Serendipity Survey (ISOSS) at 170um a sample of galactic star-forming regions exhibiting very cold dust temperatures (< 20 K) and high masses (> 100 M_sun) has been established. We characterise the star-forming content of…

Astrophysics · Physics 2010-05-19 M. Hennemann , S. M. Birkmann , O. Krause , D. Lemke

We present observations of 1.2-mm dust continuum emission, made with the Swedish ESO Submillimeter Telescope, towards eighteen luminous IRAS point sources, all with colors typical of compact HII regions and associated with CS(2-1) emission,…

Astrophysics · Physics 2011-02-11 Guido Garay , Diego Mardones , Kate J. Brooks , Liza Videla , Yanett Contreras

The expansion of HII regions can trigger the formation of stars. An overdensity of young stellar objects (YSOs) is observed at the edges of HII regions but the mechanisms that give rise to this phenomenon are not clearly identified.…

Mid and far infrared maps of many Galactic star forming regions show multiple peaks in close proximity, implying more than one embedded energy sources. With the aim of understanding such interstellar clouds better, the present study models…

Astrophysics · Physics 2009-10-31 A. D. Karnik , S. K. Ghosh

We present high-resolution, multiwavelength continuum and molecular-line images of the massive star forming region IRAS 18317-0757. The IR through mm spectral energy distribution can be approximated by a two-temperature model (25 and 63 K)…

Astrophysics · Physics 2009-11-16 T. R. Hunter , Q. Zhang , T. K. Sridharan

We present a multiwavelength investigation of star formation activity towards the southern H II regions associated with IRAS 17160-3707, located at a distance of 6.2 kpc with a bolometric luminosity of 830000 Lsun.The ionised gas…

Astrophysics of Galaxies · Physics 2016-11-15 G. Nandakumar , V. S. Veena , S. Vig , A. Tej , S. K. Ghosh , D. K. Ojha

High angular resolution far-infrared observations at 143 & 185 \micron, using the TIFR 1-m balloon borne telescope, are presented for two Galactic star forming complexes associated with IRAS 00494+5617 and 05327-0457. The latter map also…

Astrophysics · Physics 2009-10-31 B. Mookerjea , S. K. Ghosh , T. N. Rengarajan , S. N. Tandon , R. P. Verma

We report on results of a 96.7 ks Chandra observation of one of the youngest, most embedded and massive young stellar clusters studied in X-rays - RCW 38. We detect 460 sources in the field of which 360 are confirmed to be associated with…

Astrophysics · Physics 2008-11-26 Scott J. Wolk , Bradley D. Spitzbart , Tyler L. Bourke , Joao Alves

We present an analysis of the IRAS 08589-4714 star-forming region. This region harbors candidate young stellar objects identified in the WISE and Herschel images using color index criteria and spectral energy distributions (SEDs). The SEDs…

Solar and Stellar Astrophysics · Physics 2016-09-06 H. P. Saldaño , J. Vásquez , M. Gómez , C. E. Cappa , N. U. Duronea , M. Rubio

We have observed the central region of the IR-dark cloud filament associated with IRAS 18507+0121 at millimeter wavelengths in CO(1-0), 13CO(1-0), and C18O(1-0) line emission and with the Spitzer Space Telescope at mid-IR wavelengths. Five…

We present the results of millimeter and centimeter continuum observations, made with the IRAM 30m telescope and the VLA, toward a sample of 11 luminous IRAS sources classified as high-mass protostellar object candidates. We find 1.2 mm…

Astrophysics · Physics 2009-11-13 Á. Sánchez-Monge , A. Palau , R. Estalella , M. T. Beltrán , J. M. Girart
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