THE W40 REGION IN THE GOULD BELT: AN EMBEDDED CLUSTER AND H II REGION AT THE JUNCTION OF FILAMENTS
We present a multiwavelength study of the W40 star-forming region using infrared (IR) observations in the UKIRT JHK bands, Spitzer Infrared Array Camera bands, and Herschel PACS bands, 2.12 mu m H sub(2) narrowband imaging, and radio continuum observations from GMRT (610 and 1280 MHz), in a field of...
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| Veröffentlicht in: | The Astrophysical journal 2013-12, Vol.779 (2), p.1-17 |
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| container_title | The Astrophysical journal |
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| creator | Mallick, K K Kumar, M S N Ojha, D K Bachiller, Rafael Samal, M R Pirogov, L |
| description | We present a multiwavelength study of the W40 star-forming region using infrared (IR) observations in the UKIRT JHK bands, Spitzer Infrared Array Camera bands, and Herschel PACS bands, 2.12 mu m H sub(2) narrowband imaging, and radio continuum observations from GMRT (610 and 1280 MHz), in a field of view (FoV) of ~34' x 40'. Archival Spitzer observations in conjunction with near-IR observations are used to identify 1162 Class II/III and 40 Class I sources in the FoV. The nearest-neighbor stellar surface density analysis shows that the majority of these young stellar objects (YSOs) constitute the embedded cluster centered on the high-mass source IRS 1A South. Radio continuum analysis shows that this region has a blister morphology, with the radio peak coinciding with a protostellar source. |
| doi_str_mv | 10.1088/0004-637X/779/2/113 |
| format | Article |
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Archival Spitzer observations in conjunction with near-IR observations are used to identify 1162 Class II/III and 40 Class I sources in the FoV. The nearest-neighbor stellar surface density analysis shows that the majority of these young stellar objects (YSOs) constitute the embedded cluster centered on the high-mass source IRS 1A South. 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| source | IOP Publishing Free Content; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Arrays Astrophysics ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Bands Clusters CONNECTORS Continuums DENSITY ELECTRIC CONTACTS ENERGY SPECTRA FILAMENTS FLUORESCENCE Infrared MASS PERTURBED ANGULAR CORRELATION PHOTOIONIZATION PROTOSTARS Radio Sciences of the Universe SEMICONDUCTOR JUNCTIONS STARS SUPERCONDUCTING JUNCTIONS SURFACES |
| title | THE W40 REGION IN THE GOULD BELT: AN EMBEDDED CLUSTER AND H II REGION AT THE JUNCTION OF FILAMENTS |
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