A COMPARISON OF GALAXY IMAGES ON NEW AND OLD POSS PRINTS
Both the major axes and axial ratios of galaxy images measured on new POSS prints differ significantly from measures on older POSS prints. Diameters on new prints are systematically smaller (by ~ 14%) than those on old prints and images appear significantly rounder on new prints. This suggests that...
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| Veröffentlicht in: | Publications of the Astronomical Society of the Pacific 1982-10, Vol.94 (561), p.763-764 |
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| container_title | Publications of the Astronomical Society of the Pacific |
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| creator | STRUBLE, MITCHELL F. FTACLAS, CHRIST |
| description | Both the major axes and axial ratios of galaxy images measured on new POSS prints differ significantly from measures on older POSS prints. Diameters on new prints are systematically smaller (by ~ 14%) than those on old prints and images appear significantly rounder on new prints. This suggests that galaxy images on new prints are of inferior quality. For a sample of 37 E and cD galaxy images, we give relations between major axes and axial ratio as measured on both print sets. |
| doi_str_mv | 10.1086/131061 |
| format | Article |
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For a sample of 37 E and cD galaxy images, we give relations between major axes and axial ratio as measured on both print sets.</description><subject>Astronomical research</subject><subject>Flatness</subject><subject>Galaxies</subject><subject>Observational astronomy</subject><subject>Offset printing</subject><subject>Persona</subject><subject>Printing plates</subject><issn>0004-6280</issn><issn>1538-3873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><recordid>eNo9j0FLwzAYhoMoWKf-AyEnb9XvS7ImPYauq4WuKetEPZU2TcChTJpd_PdOKp5eeHl44CHkFuEBQSWPyBESPCMRLrmKuZL8nEQAIOKEKbgkVyHsARAVQkSUppnZNHpbtqamZk0LXenXN1pudJG39PTV-QvV9YqaakUb07a02Zb1rr0mF77_CO7mbxfkeZ3vsqe4MkWZ6Sq2KOEYIxMpDoNLrfest70D4VOejMwqr_zSowPn3GjRWylHKdVowbGU2cR54fzAF-R-9trpEMLkfPc1vX_203eH0P32dnPvCbybwX04HqZ_SkAiFXDBfwD4j0u-</recordid><startdate>19821001</startdate><enddate>19821001</enddate><creator>STRUBLE, MITCHELL F.</creator><creator>FTACLAS, CHRIST</creator><general>The Astronomical Society of the Pacific</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19821001</creationdate><title>A COMPARISON OF GALAXY IMAGES ON NEW AND OLD POSS PRINTS</title><author>STRUBLE, MITCHELL F. ; FTACLAS, CHRIST</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c170t-12491bbe9cff2acae04f936d2c8f8f5f1e0eeedc1fc77d778dc0e292c6ef4efb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1982</creationdate><topic>Astronomical research</topic><topic>Flatness</topic><topic>Galaxies</topic><topic>Observational astronomy</topic><topic>Offset printing</topic><topic>Persona</topic><topic>Printing plates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>STRUBLE, MITCHELL F.</creatorcontrib><creatorcontrib>FTACLAS, CHRIST</creatorcontrib><collection>CrossRef</collection><jtitle>Publications of the Astronomical Society of the Pacific</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>STRUBLE, MITCHELL F.</au><au>FTACLAS, CHRIST</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A COMPARISON OF GALAXY IMAGES ON NEW AND OLD POSS PRINTS</atitle><jtitle>Publications of the Astronomical Society of the Pacific</jtitle><date>1982-10-01</date><risdate>1982</risdate><volume>94</volume><issue>561</issue><spage>763</spage><epage>764</epage><pages>763-764</pages><issn>0004-6280</issn><eissn>1538-3873</eissn><abstract>Both the major axes and axial ratios of galaxy images measured on new POSS prints differ significantly from measures on older POSS prints. Diameters on new prints are systematically smaller (by ~ 14%) than those on old prints and images appear significantly rounder on new prints. This suggests that galaxy images on new prints are of inferior quality. For a sample of 37 E and cD galaxy images, we give relations between major axes and axial ratio as measured on both print sets.</abstract><pub>The Astronomical Society of the Pacific</pub><doi>10.1086/131061</doi><tpages>2</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Publications of the Astronomical Society of the Pacific, 1982-10, Vol.94 (561), p.763-764 |
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| source | IOP Publishing Journals; JSTOR Archive Collection A-Z Listing; EZB-FREE-00999 freely available EZB journals; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | Astronomical research Flatness Galaxies Observational astronomy Offset printing Persona Printing plates |
| title | A COMPARISON OF GALAXY IMAGES ON NEW AND OLD POSS PRINTS |
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