Infrared dust emission in the outer disk of M51
We examine faint infrared emission features detected in Spitzer Space Telescope images of M51, which are associated with atomic hydrogen in the outer disk and tidal tail at R greater than R_25 (4.9', ~14 kpc at d=9.6 Mpc). The infrared colors of these features are consistent with the colors of...
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| Veröffentlicht in: | Astrophysical journal. Letters 2006, Vol.651-2 |
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| container_title | Astrophysical journal. Letters |
| container_volume | 651-2 |
| creator | Thornley, M. D. Braine, J. Gardan, E. |
| description | We examine faint infrared emission features detected in Spitzer Space Telescope images of M51, which are associated with atomic hydrogen in the outer disk and tidal tail at R greater than R_25 (4.9', ~14 kpc at d=9.6 Mpc). The infrared colors of these features are consistent with the colors of dust associated with star formation in the bright disk. However, the star formation efficiency (as a ratio of star formation rate to neutral gas mass) implied in the outer disk is lower than that in the bright disk of M51 by an order of magnitude, assuming a similar relationship between infrared emission and star formation rate in the inner and outer disks. |
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D. ; Braine, J. ; Gardan, E.</creatorcontrib><description>We examine faint infrared emission features detected in Spitzer Space Telescope images of M51, which are associated with atomic hydrogen in the outer disk and tidal tail at R greater than R_25 (4.9', ~14 kpc at d=9.6 Mpc). The infrared colors of these features are consistent with the colors of dust associated with star formation in the bright disk. However, the star formation efficiency (as a ratio of star formation rate to neutral gas mass) implied in the outer disk is lower than that in the bright disk of M51 by an order of magnitude, assuming a similar relationship between infrared emission and star formation rate in the inner and outer disks.</description><identifier>ISSN: 2041-8205</identifier><identifier>EISSN: 2041-8213</identifier><language>eng</language><publisher>Bristol : IOP Publishing</publisher><subject>Astrophysics ; Cosmology and Extra-Galactic Astrophysics ; Physics ; Sciences of the Universe</subject><ispartof>Astrophysical journal. Letters, 2006, Vol.651-2</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,781,785,886,4025</link.rule.ids><backlink>$$Uhttps://hal.science/hal-00106756$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Thornley, M. D.</creatorcontrib><creatorcontrib>Braine, J.</creatorcontrib><creatorcontrib>Gardan, E.</creatorcontrib><title>Infrared dust emission in the outer disk of M51</title><title>Astrophysical journal. Letters</title><description>We examine faint infrared emission features detected in Spitzer Space Telescope images of M51, which are associated with atomic hydrogen in the outer disk and tidal tail at R greater than R_25 (4.9', ~14 kpc at d=9.6 Mpc). The infrared colors of these features are consistent with the colors of dust associated with star formation in the bright disk. However, the star formation efficiency (as a ratio of star formation rate to neutral gas mass) implied in the outer disk is lower than that in the bright disk of M51 by an order of magnitude, assuming a similar relationship between infrared emission and star formation rate in the inner and outer disks.</description><subject>Astrophysics</subject><subject>Cosmology and Extra-Galactic Astrophysics</subject><subject>Physics</subject><subject>Sciences of the Universe</subject><issn>2041-8205</issn><issn>2041-8213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNpjYuA0MjAx1LUwMjRmgbMNTDkYuIqLswwMjAzMDC04GfQ989KKEotSUxRSSotLFFJzM4uLM_PzFDLzFEoyUhXyS0tSixRSMouzFfLTFHxNDXkYWNMSc4pTeaE0N4Omm2uIs4duRmJOfEFRZm5iUWV8fmJmvIejTzxIzMDA0MDM3NSszNCYFLUAJo02yA</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Thornley, M. D.</creator><creator>Braine, J.</creator><creator>Gardan, E.</creator><general>Bristol : IOP Publishing</general><scope>1XC</scope></search><sort><creationdate>2006</creationdate><title>Infrared dust emission in the outer disk of M51</title><author>Thornley, M. D. ; Braine, J. ; Gardan, E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-hal_primary_oai_HAL_hal_00106756v13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Astrophysics</topic><topic>Cosmology and Extra-Galactic Astrophysics</topic><topic>Physics</topic><topic>Sciences of the Universe</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thornley, M. D.</creatorcontrib><creatorcontrib>Braine, J.</creatorcontrib><creatorcontrib>Gardan, E.</creatorcontrib><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Astrophysical journal. Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thornley, M. D.</au><au>Braine, J.</au><au>Gardan, E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Infrared dust emission in the outer disk of M51</atitle><jtitle>Astrophysical journal. Letters</jtitle><date>2006</date><risdate>2006</risdate><volume>651-2</volume><issn>2041-8205</issn><eissn>2041-8213</eissn><abstract>We examine faint infrared emission features detected in Spitzer Space Telescope images of M51, which are associated with atomic hydrogen in the outer disk and tidal tail at R greater than R_25 (4.9', ~14 kpc at d=9.6 Mpc). The infrared colors of these features are consistent with the colors of dust associated with star formation in the bright disk. However, the star formation efficiency (as a ratio of star formation rate to neutral gas mass) implied in the outer disk is lower than that in the bright disk of M51 by an order of magnitude, assuming a similar relationship between infrared emission and star formation rate in the inner and outer disks.</abstract><pub>Bristol : IOP Publishing</pub></addata></record> |
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| ispartof | Astrophysical journal. Letters, 2006, Vol.651-2 |
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| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_00106756v1 |
| source | Alma/SFX Local Collection |
| subjects | Astrophysics Cosmology and Extra-Galactic Astrophysics Physics Sciences of the Universe |
| title | Infrared dust emission in the outer disk of M51 |
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