EFFICIENT SELECTION AND CLASSIFICATION OF INFRARED EXCESS EMISSION STARS BASED ON AKARI AND 2MASS DATA
We define in this paper stringent criteria for an efficient selection and classification of stellar sources with infrared excess emission based on combined Two Micron All Sky Survey (2MASS) and AKARI colors. First of all, bright dwarfs and giants with known spectral types were selected from the Hipp...
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| Veröffentlicht in: | The Astronomical journal 2013-05, Vol.145 (5), p.1-9 |
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| container_title | The Astronomical journal |
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| creator | Huang, Ya Fang Li, Jin Zeng Rector, Travis A Mallamaci, Carlos C |
| description | We define in this paper stringent criteria for an efficient selection and classification of stellar sources with infrared excess emission based on combined Two Micron All Sky Survey (2MASS) and AKARI colors. First of all, bright dwarfs and giants with known spectral types were selected from the Hipparcos Catalogue and cross-identified with the 2MASS and AKARI Point Source Catalogues to produce the main-sequence and the post-main-sequence tracks, which appear as expected as tight tracks with very small dispersion. A test sample of Herbig Ae/Be stars and classical T Tauri stars were cross-identified with the 2MASS and AKARI catalogs to define the loci of YSOs with different masses on the C-C diagrams. Well classified Class I and Class II sources were taken as a second test sample to discriminate between various types of YSOs at possibly different evolutionary stages. |
| doi_str_mv | 10.1088/0004-6256/145/5/126 |
| format | Article |
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First of all, bright dwarfs and giants with known spectral types were selected from the Hipparcos Catalogue and cross-identified with the 2MASS and AKARI Point Source Catalogues to produce the main-sequence and the post-main-sequence tracks, which appear as expected as tight tracks with very small dispersion. A test sample of Herbig Ae/Be stars and classical T Tauri stars were cross-identified with the 2MASS and AKARI catalogs to define the loci of YSOs with different masses on the C-C diagrams. Well classified Class I and Class II sources were taken as a second test sample to discriminate between various types of YSOs at possibly different evolutionary stages.</description><subject>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</subject><subject>Carbon-carbon composites</subject><subject>Catalogues</subject><subject>CLASSIFICATION</subject><subject>COLOR</subject><subject>DISPERSIONS</subject><subject>DISTRIBUTION</subject><subject>EMISSION</subject><subject>ENERGY SPECTRA</subject><subject>Infrared</subject><subject>Loci</subject><subject>MAIN SEQUENCE STARS</subject><subject>MASS</subject><subject>PARTICLE TRACKS</subject><subject>POINT SOURCES</subject><subject>SKY</subject><subject>SPACE</subject><subject>Spectra</subject><subject>SPECTROSCOPY</subject><subject>T TAURI STARS</subject><issn>0004-6256</issn><issn>1538-3881</issn><issn>1538-3881</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkctO6zAURS0EEuXxBUwi3QmT0HPiR5yhSR2IKK3UBImZlbiO6FVpIA4D_h6XIsYMrCN5r7NtaRFyhXCDIOUUAFgsEi6myPiUTzERR2SCnMqYSonHZPJLnJIz7_8DIEpgE9LpoijzUi_qqNJzndflchGpxSzK56qqypCp76tlEZWLYqVWehbp51xXVaQfy0CErKrVqopuVRWy_faDWpXfHclj6IhmqlYX5KRrtt5d_sxz8lToOr-P58u78MQ8tpTRMW4pwwzbDtpE0qYTspOQ4tq1ErM2BZFmKe-yjEuWocPUArMNyqRh69S6tevoOfl36O39uDHebkZnX2y_2zk7miRBCilngbo-UG9D__7h_GheN9667bbZuf7DGxQCIBwOf0A5E-E7IgsoPaB26L0fXGfehs1rM3waBLPXZPYSzF6CCZoMN0ET_QLJ9Hnv</recordid><startdate>20130501</startdate><enddate>20130501</enddate><creator>Huang, Ya Fang</creator><creator>Li, Jin Zeng</creator><creator>Rector, Travis A</creator><creator>Mallamaci, Carlos C</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>KL.</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20130501</creationdate><title>EFFICIENT SELECTION AND CLASSIFICATION OF INFRARED EXCESS EMISSION STARS BASED ON AKARI AND 2MASS DATA</title><author>Huang, Ya Fang ; Li, Jin Zeng ; Rector, Travis A ; Mallamaci, Carlos C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-b34191bf0b283af68f8071deb819b7067975f9958491e17c04ca182a4d7cedef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</topic><topic>Carbon-carbon composites</topic><topic>Catalogues</topic><topic>CLASSIFICATION</topic><topic>COLOR</topic><topic>DISPERSIONS</topic><topic>DISTRIBUTION</topic><topic>EMISSION</topic><topic>ENERGY SPECTRA</topic><topic>Infrared</topic><topic>Loci</topic><topic>MAIN SEQUENCE STARS</topic><topic>MASS</topic><topic>PARTICLE TRACKS</topic><topic>POINT SOURCES</topic><topic>SKY</topic><topic>SPACE</topic><topic>Spectra</topic><topic>SPECTROSCOPY</topic><topic>T TAURI STARS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Ya Fang</creatorcontrib><creatorcontrib>Li, Jin Zeng</creatorcontrib><creatorcontrib>Rector, Travis A</creatorcontrib><creatorcontrib>Mallamaci, Carlos C</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>The Astronomical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Ya Fang</au><au>Li, Jin Zeng</au><au>Rector, Travis A</au><au>Mallamaci, Carlos C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>EFFICIENT SELECTION AND CLASSIFICATION OF INFRARED EXCESS EMISSION STARS BASED ON AKARI AND 2MASS DATA</atitle><jtitle>The Astronomical journal</jtitle><date>2013-05-01</date><risdate>2013</risdate><volume>145</volume><issue>5</issue><spage>1</spage><epage>9</epage><pages>1-9</pages><issn>0004-6256</issn><issn>1538-3881</issn><eissn>1538-3881</eissn><abstract>We define in this paper stringent criteria for an efficient selection and classification of stellar sources with infrared excess emission based on combined Two Micron All Sky Survey (2MASS) and AKARI colors. 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| subjects | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Carbon-carbon composites Catalogues CLASSIFICATION COLOR DISPERSIONS DISTRIBUTION EMISSION ENERGY SPECTRA Infrared Loci MAIN SEQUENCE STARS MASS PARTICLE TRACKS POINT SOURCES SKY SPACE Spectra SPECTROSCOPY T TAURI STARS |
| title | EFFICIENT SELECTION AND CLASSIFICATION OF INFRARED EXCESS EMISSION STARS BASED ON AKARI AND 2MASS DATA |
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