IRAS observations of galaxies in the Virgo cluster area
IRAS data on 196 galaxies in the area of the Virgo Cluster are presented. The data derive from combining all available survey observations for each object and therefore achieve greater sensitivity than the IRAS Point Source Catalog (PSC). The enhanced sensitivity allows 78 galaxies to be detected at...
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| Veröffentlicht in: | Astrophys. J., Suppl. Ser.; (United States) Suppl. Ser.; (United States), 1988-10, Vol.68 (2), p.151-172 |
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| container_end_page | 172 |
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| container_title | Astrophys. J., Suppl. Ser.; (United States) |
| container_volume | 68 |
| creator | Helou, George Khan, Iffat R. Malek, Ladan Boehmer, Lisa |
| description | IRAS data on 196 galaxies in the area of the Virgo Cluster are presented. The data derive from combining all available survey observations for each object and therefore achieve greater sensitivity than the IRAS Point Source Catalog (PSC). The enhanced sensitivity allows 78 galaxies to be detected at 12 microns, 82 at 25 microns, 139 at 60 microns, and 135 at 100 microns, compared to 16, 23, 88, and 95 detections listed in the PSC. From the blue compact dwarf galaxy sample, 23 and 19 objects are detected at 60 and 100 microns, compared to three and two detections listed in the PSC. The emission in three close pairs of galaxies which are reported as single sources in the PSC are separated here. These statistics demonstrate the importance and potential of a detailed examination of IRAS data, especially for possibly resolved sources and, in particular, for galaxies out to redshifts of 0.008 or galaxies with D(25) of 3 arcmin or greater. |
| doi_str_mv | 10.1086/191285 |
| format | Article |
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The data derive from combining all available survey observations for each object and therefore achieve greater sensitivity than the IRAS Point Source Catalog (PSC). The enhanced sensitivity allows 78 galaxies to be detected at 12 microns, 82 at 25 microns, 139 at 60 microns, and 135 at 100 microns, compared to 16, 23, 88, and 95 detections listed in the PSC. From the blue compact dwarf galaxy sample, 23 and 19 objects are detected at 60 and 100 microns, compared to three and two detections listed in the PSC. The emission in three close pairs of galaxies which are reported as single sources in the PSC are separated here. These statistics demonstrate the importance and potential of a detailed examination of IRAS data, especially for possibly resolved sources and, in particular, for galaxies out to redshifts of 0.008 or galaxies with D(25) of 3 arcmin or greater.</description><identifier>ISSN: 0067-0049</identifier><identifier>EISSN: 1538-4365</identifier><identifier>DOI: 10.1086/191285</identifier><identifier>CODEN: APJSA2</identifier><language>eng</language><publisher>Legacy CDMS: University of Chicago Press</publisher><subject>640105 - Astrophysics & Cosmology- Galaxies ; Astronomy ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; CONFIGURATION ; Earth, ocean, space ; ELECTROMAGNETIC RADIATION ; Exact sciences and technology ; GALACTIC EVOLUTION ; GALAXIES ; GALAXY CLUSTERS ; Galaxy groups, clusters, and superclusters. Large-scale structure of the universe ; INFRARED RADIATION ; PHOTOMETRY ; RADIATIONS ; SPIRAL CONFIGURATION ; STAR EVOLUTION ; Stellar systems. 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J., Suppl. Ser.; (United States)</title><description>IRAS data on 196 galaxies in the area of the Virgo Cluster are presented. The data derive from combining all available survey observations for each object and therefore achieve greater sensitivity than the IRAS Point Source Catalog (PSC). The enhanced sensitivity allows 78 galaxies to be detected at 12 microns, 82 at 25 microns, 139 at 60 microns, and 135 at 100 microns, compared to 16, 23, 88, and 95 detections listed in the PSC. From the blue compact dwarf galaxy sample, 23 and 19 objects are detected at 60 and 100 microns, compared to three and two detections listed in the PSC. The emission in three close pairs of galaxies which are reported as single sources in the PSC are separated here. These statistics demonstrate the importance and potential of a detailed examination of IRAS data, especially for possibly resolved sources and, in particular, for galaxies out to redshifts of 0.008 or galaxies with D(25) of 3 arcmin or greater.</description><subject>640105 - Astrophysics & Cosmology- Galaxies</subject><subject>Astronomy</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>CONFIGURATION</subject><subject>Earth, ocean, space</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>Exact sciences and technology</subject><subject>GALACTIC EVOLUTION</subject><subject>GALAXIES</subject><subject>GALAXY CLUSTERS</subject><subject>Galaxy groups, clusters, and superclusters. Large-scale structure of the universe</subject><subject>INFRARED RADIATION</subject><subject>PHOTOMETRY</subject><subject>RADIATIONS</subject><subject>SPIRAL CONFIGURATION</subject><subject>STAR EVOLUTION</subject><subject>Stellar systems. 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Large-scale structure of the universe</topic><topic>INFRARED RADIATION</topic><topic>PHOTOMETRY</topic><topic>RADIATIONS</topic><topic>SPIRAL CONFIGURATION</topic><topic>STAR EVOLUTION</topic><topic>Stellar systems. Galactic and extragalactic objects and systems. The universe</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Helou, George</creatorcontrib><creatorcontrib>Khan, Iffat R.</creatorcontrib><creatorcontrib>Malek, Ladan</creatorcontrib><creatorcontrib>Boehmer, Lisa</creatorcontrib><creatorcontrib>California Institute of Technology, Pasadena (USA)</creatorcontrib><collection>NASA Scientific and Technical Information</collection><collection>NASA Technical Reports Server</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Astrophys. J., Suppl. Ser.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Helou, George</au><au>Khan, Iffat R.</au><au>Malek, Ladan</au><au>Boehmer, Lisa</au><aucorp>California Institute of Technology, Pasadena (USA)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>IRAS observations of galaxies in the Virgo cluster area</atitle><jtitle>Astrophys. J., Suppl. Ser.; (United States)</jtitle><date>1988-10-01</date><risdate>1988</risdate><volume>68</volume><issue>2</issue><spage>151</spage><epage>172</epage><pages>151-172</pages><issn>0067-0049</issn><eissn>1538-4365</eissn><coden>APJSA2</coden><abstract>IRAS data on 196 galaxies in the area of the Virgo Cluster are presented. The data derive from combining all available survey observations for each object and therefore achieve greater sensitivity than the IRAS Point Source Catalog (PSC). The enhanced sensitivity allows 78 galaxies to be detected at 12 microns, 82 at 25 microns, 139 at 60 microns, and 135 at 100 microns, compared to 16, 23, 88, and 95 detections listed in the PSC. From the blue compact dwarf galaxy sample, 23 and 19 objects are detected at 60 and 100 microns, compared to three and two detections listed in the PSC. The emission in three close pairs of galaxies which are reported as single sources in the PSC are separated here. These statistics demonstrate the importance and potential of a detailed examination of IRAS data, especially for possibly resolved sources and, in particular, for galaxies out to redshifts of 0.008 or galaxies with D(25) of 3 arcmin or greater.</abstract><cop>Legacy CDMS</cop><pub>University of Chicago Press</pub><doi>10.1086/191285</doi><tpages>22</tpages></addata></record> |
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| identifier | ISSN: 0067-0049 |
| ispartof | Astrophys. J., Suppl. Ser.; (United States), 1988-10, Vol.68 (2), p.151-172 |
| issn | 0067-0049 1538-4365 |
| language | eng |
| recordid | cdi_crossref_primary_10_1086_191285 |
| source | NASA Technical Reports Server; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | 640105 - Astrophysics & Cosmology- Galaxies Astronomy CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CONFIGURATION Earth, ocean, space ELECTROMAGNETIC RADIATION Exact sciences and technology GALACTIC EVOLUTION GALAXIES GALAXY CLUSTERS Galaxy groups, clusters, and superclusters. Large-scale structure of the universe INFRARED RADIATION PHOTOMETRY RADIATIONS SPIRAL CONFIGURATION STAR EVOLUTION Stellar systems. Galactic and extragalactic objects and systems. The universe |
| title | IRAS observations of galaxies in the Virgo cluster area |
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