Infrared photometry of comet Wilson (1986l) at two epochs
1-20 micron filter photometry of comet Wilson (1986l) was obtained on May 29 - June 2, 1987 (r = 1.36 AU) and January 11 -14, 1988 (r = 3.75 AU) at the NASA Infrared Telescope Facility. The thermal emission at 1.36 AU has been fit with a model for a size distribution of small absorbing grains; the s...
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| Veröffentlicht in: | Astron. J.; (United States) 1989-01, Vol.97, p.254-261 |
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| container_title | Astron. J.; (United States) |
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| creator | Hanner, Martha S. Newburn, Ray L. |
| description | 1-20 micron filter photometry of comet Wilson (1986l) was obtained on May 29 - June 2, 1987 (r = 1.36 AU) and January 11 -14, 1988 (r = 3.75 AU) at the NASA Infrared Telescope Facility. The thermal emission at 1.36 AU has been fit with a model for a size distribution of small absorbing grains; the size and the optical properties of the dust (color, albedo, and thermal emission spectrum) appear typical of short period comets at similar r. No 10 micron silicate feature was evident. The dust-production rate on June 1 was about 5 x 10 to the 5th g/s. The geometric albedo of comet Wilson at r = 3.75 AU appears to be higher than that of comets measured at smaller r, after phase effects have been accounted for. Such albedos seem typical of comets at larger heliocentric distances. |
| doi_str_mv | 10.1086/114977 |
| format | Article |
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The thermal emission at 1.36 AU has been fit with a model for a size distribution of small absorbing grains; the size and the optical properties of the dust (color, albedo, and thermal emission spectrum) appear typical of short period comets at similar r. No 10 micron silicate feature was evident. The dust-production rate on June 1 was about 5 x 10 to the 5th g/s. The geometric albedo of comet Wilson at r = 3.75 AU appears to be higher than that of comets measured at smaller r, after phase effects have been accounted for. 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J.; (United States)</title><description>1-20 micron filter photometry of comet Wilson (1986l) was obtained on May 29 - June 2, 1987 (r = 1.36 AU) and January 11 -14, 1988 (r = 3.75 AU) at the NASA Infrared Telescope Facility. The thermal emission at 1.36 AU has been fit with a model for a size distribution of small absorbing grains; the size and the optical properties of the dust (color, albedo, and thermal emission spectrum) appear typical of short period comets at similar r. No 10 micron silicate feature was evident. The dust-production rate on June 1 was about 5 x 10 to the 5th g/s. The geometric albedo of comet Wilson at r = 3.75 AU appears to be higher than that of comets measured at smaller r, after phase effects have been accounted for. Such albedos seem typical of comets at larger heliocentric distances.</description><subject>640107 - Astrophysics & Cosmology- Planetary Phenomena</subject><subject>ALBEDO</subject><subject>Astrophysics</subject><subject>CHEMICAL COMPOSITION</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>COLOR</subject><subject>COMETS</subject><subject>COSMIC DUST</subject><subject>DUSTS</subject><subject>EMISSION SPECTRA</subject><subject>INTERSTELLAR GRAINS</subject><subject>MATHEMATICAL MODELS</subject><subject>OPTICAL PROPERTIES</subject><subject>ORGANOLEPTIC PROPERTIES</subject><subject>PARTICLES</subject><subject>PHOTOMETRY</subject><subject>PHYSICAL PROPERTIES</subject><subject>SIZE</subject><subject>SPECTRA</subject><issn>0004-6256</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>CYI</sourceid><recordid>eNpF0E1LAzEQBuAcFKxVf4GH4EH0sDrJbr6OUqoWCl4UjyHNB13ZbtYkRfrv3bKCp3cODzPDi9AVgQcCkj8S0ighTtAMAJqKU8bP0HnOXwCESGhmSK36kEzyDg_bWOLOl3TAMWB7HPFn2-XY4zuiJO_usSm4_ETsh2i3-QKdBtNlf_mXc_TxvHxfvFbrt5fV4mldWdowUfmaBeO8c3TjNpSYIJVknDgexlTM1CCEV0JRB3Y8YxxVm8AUhyCsDJ7Vc3Qz7Y25tDrbtni7tbHvvS2ak4YByBHdTmhI8Xvvc9G7Nlvfdab3cZ81ZTVhjKp_aFPMOfmgh9TuTDpoAvpYmZ4qG-H1BHuTje5Lynp8TwHUTAKrfwFOQ2WA</recordid><startdate>19890101</startdate><enddate>19890101</enddate><creator>Hanner, Martha S.</creator><creator>Newburn, Ray L.</creator><scope>CYE</scope><scope>CYI</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>19890101</creationdate><title>Infrared photometry of comet Wilson (1986l) at two epochs</title><author>Hanner, Martha S. ; Newburn, Ray L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2457-e35fadedd2bdb21af898561d6f98595a3077e9792d0c198ad29bf5960f7c8fe53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>640107 - Astrophysics & Cosmology- Planetary Phenomena</topic><topic>ALBEDO</topic><topic>Astrophysics</topic><topic>CHEMICAL COMPOSITION</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>COLOR</topic><topic>COMETS</topic><topic>COSMIC DUST</topic><topic>DUSTS</topic><topic>EMISSION SPECTRA</topic><topic>INTERSTELLAR GRAINS</topic><topic>MATHEMATICAL MODELS</topic><topic>OPTICAL PROPERTIES</topic><topic>ORGANOLEPTIC PROPERTIES</topic><topic>PARTICLES</topic><topic>PHOTOMETRY</topic><topic>PHYSICAL PROPERTIES</topic><topic>SIZE</topic><topic>SPECTRA</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hanner, Martha S.</creatorcontrib><creatorcontrib>Newburn, Ray L.</creatorcontrib><creatorcontrib>California Institute of Technology, Pasadena (USA)</creatorcontrib><collection>NASA Scientific and Technical Information</collection><collection>NASA Technical Reports Server</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Astron. J.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hanner, Martha S.</au><au>Newburn, Ray L.</au><aucorp>California Institute of Technology, Pasadena (USA)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Infrared photometry of comet Wilson (1986l) at two epochs</atitle><jtitle>Astron. J.; (United States)</jtitle><date>1989-01-01</date><risdate>1989</risdate><volume>97</volume><spage>254</spage><epage>261</epage><pages>254-261</pages><issn>0004-6256</issn><abstract>1-20 micron filter photometry of comet Wilson (1986l) was obtained on May 29 - June 2, 1987 (r = 1.36 AU) and January 11 -14, 1988 (r = 3.75 AU) at the NASA Infrared Telescope Facility. The thermal emission at 1.36 AU has been fit with a model for a size distribution of small absorbing grains; the size and the optical properties of the dust (color, albedo, and thermal emission spectrum) appear typical of short period comets at similar r. No 10 micron silicate feature was evident. The dust-production rate on June 1 was about 5 x 10 to the 5th g/s. The geometric albedo of comet Wilson at r = 3.75 AU appears to be higher than that of comets measured at smaller r, after phase effects have been accounted for. Such albedos seem typical of comets at larger heliocentric distances.</abstract><cop>Legacy CDMS</cop><doi>10.1086/114977</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Astron. J.; (United States), 1989-01, Vol.97, p.254-261 |
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| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; NASA Technical Reports Server; Alma/SFX Local Collection |
| subjects | 640107 - Astrophysics & Cosmology- Planetary Phenomena ALBEDO Astrophysics CHEMICAL COMPOSITION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COLOR COMETS COSMIC DUST DUSTS EMISSION SPECTRA INTERSTELLAR GRAINS MATHEMATICAL MODELS OPTICAL PROPERTIES ORGANOLEPTIC PROPERTIES PARTICLES PHOTOMETRY PHYSICAL PROPERTIES SIZE SPECTRA |
| title | Infrared photometry of comet Wilson (1986l) at two epochs |
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