Distances of Dwarf Carbon Stars
Parallaxes are presented for a sample of 20 nearby dwarf carbon stars. The inferred luminosities cover almost two orders of magnitude. Their absolute magnitudes and tangential velocities confirm prior expectations that some originate in the Galactic disk, although more than half of this sample are h...
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Veröffentlicht in: | The Astronomical journal 2018-06, Vol.155 (6), p.252 |
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creator | Harris, Hugh C. Dahn, Conard C. Subasavage, John P. Munn, Jeffrey A. Canzian, Blaise J. Levine, Stephen E. Monet, Alice B. Pier, Jeffrey R. Stone, Ronald C. Tilleman, Trudy M. Hartkopf, William I. |
description | Parallaxes are presented for a sample of 20 nearby dwarf carbon stars. The inferred luminosities cover almost two orders of magnitude. Their absolute magnitudes and tangential velocities confirm prior expectations that some originate in the Galactic disk, although more than half of this sample are halo stars. Three stars are found to be astrometric binaries, and orbital elements are determined; their semimajor axes are 1-3 au, consistent with the size of an AGB mass-transfer donor star. |
doi_str_mv | 10.3847/1538-3881/aac100 |
format | Article |
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The inferred luminosities cover almost two orders of magnitude. Their absolute magnitudes and tangential velocities confirm prior expectations that some originate in the Galactic disk, although more than half of this sample are halo stars. Three stars are found to be astrometric binaries, and orbital elements are determined; their semimajor axes are 1-3 au, consistent with the size of an AGB mass-transfer donor star.</description><identifier>ISSN: 0004-6256</identifier><identifier>EISSN: 1538-3881</identifier><identifier>DOI: 10.3847/1538-3881/aac100</identifier><language>eng</language><publisher>Madison: The American Astronomical Society</publisher><subject>astrometry ; Astronomy ; Asymptotic giant branch stars ; Carbon stars ; Galactic disk ; Orbital elements ; parallaxes ; proper motions ; stars: carbon ; stars: distances</subject><ispartof>The Astronomical journal, 2018-06, Vol.155 (6), p.252</ispartof><rights>2018. The American Astronomical Society. All rights reserved.</rights><rights>Copyright IOP Publishing Jun 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-48555226d28cbd707d7a04a6bc15edf2616a0d94da6cb30453d7ae35c3f1e8333</citedby><cites>FETCH-LOGICAL-c350t-48555226d28cbd707d7a04a6bc15edf2616a0d94da6cb30453d7ae35c3f1e8333</cites><orcidid>0000-0002-1050-3539 ; 0000-0001-5912-6191 ; 0000-0002-4603-4834 ; 0000-0001-6111-4560</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/1538-3881/aac100/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,780,784,27924,27925,38868,38890,53840,53867</link.rule.ids><linktorsrc>$$Uhttps://iopscience.iop.org/article/10.3847/1538-3881/aac100$$EView_record_in_IOP_Publishing$$FView_record_in_$$GIOP_Publishing</linktorsrc></links><search><creatorcontrib>Harris, Hugh C.</creatorcontrib><creatorcontrib>Dahn, Conard C.</creatorcontrib><creatorcontrib>Subasavage, John P.</creatorcontrib><creatorcontrib>Munn, Jeffrey A.</creatorcontrib><creatorcontrib>Canzian, Blaise J.</creatorcontrib><creatorcontrib>Levine, Stephen E.</creatorcontrib><creatorcontrib>Monet, Alice B.</creatorcontrib><creatorcontrib>Pier, Jeffrey R.</creatorcontrib><creatorcontrib>Stone, Ronald C.</creatorcontrib><creatorcontrib>Tilleman, Trudy M.</creatorcontrib><creatorcontrib>Hartkopf, William I.</creatorcontrib><title>Distances of Dwarf Carbon Stars</title><title>The Astronomical journal</title><addtitle>AJ</addtitle><addtitle>Astron. J</addtitle><description>Parallaxes are presented for a sample of 20 nearby dwarf carbon stars. The inferred luminosities cover almost two orders of magnitude. Their absolute magnitudes and tangential velocities confirm prior expectations that some originate in the Galactic disk, although more than half of this sample are halo stars. Three stars are found to be astrometric binaries, and orbital elements are determined; their semimajor axes are 1-3 au, consistent with the size of an AGB mass-transfer donor star.</description><subject>astrometry</subject><subject>Astronomy</subject><subject>Asymptotic giant branch stars</subject><subject>Carbon stars</subject><subject>Galactic disk</subject><subject>Orbital elements</subject><subject>parallaxes</subject><subject>proper motions</subject><subject>stars: carbon</subject><subject>stars: distances</subject><issn>0004-6256</issn><issn>1538-3881</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLxEAQhAdRcF29ezPg1bg9z4xHya4PWPCgnofOPCCLZuJMFvHfmxDRk6eG4qtqqgg5p3DNtahWVHJdcq3pCtFSgAOy-JUOyQIARKmYVMfkJOcdAKUaxIJcrNs8YGd9LmIo1p-YQlFjamJXPA-Y8ik5CviW_dnPXZLXu81L_VBun-4f69ttabmEoRRaSsmYckzbxlVQuQpBoGosld4FpqhCcDfCobINByH5CHguLQ_Ua875klzOuX2KH3ufB7OL-9SNLw3jSipdCaVGCmbKpphz8sH0qX3H9GUomGkGM3U2U2czzzBarmZLG_u_zH_xb9OjW1k</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Harris, Hugh C.</creator><creator>Dahn, Conard C.</creator><creator>Subasavage, John P.</creator><creator>Munn, Jeffrey A.</creator><creator>Canzian, Blaise J.</creator><creator>Levine, Stephen E.</creator><creator>Monet, Alice B.</creator><creator>Pier, Jeffrey R.</creator><creator>Stone, Ronald C.</creator><creator>Tilleman, Trudy M.</creator><creator>Hartkopf, William I.</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1050-3539</orcidid><orcidid>https://orcid.org/0000-0001-5912-6191</orcidid><orcidid>https://orcid.org/0000-0002-4603-4834</orcidid><orcidid>https://orcid.org/0000-0001-6111-4560</orcidid></search><sort><creationdate>20180601</creationdate><title>Distances of Dwarf Carbon Stars</title><author>Harris, Hugh C. ; Dahn, Conard C. ; Subasavage, John P. ; Munn, Jeffrey A. ; Canzian, Blaise J. ; Levine, Stephen E. ; Monet, Alice B. ; Pier, Jeffrey R. ; Stone, Ronald C. ; Tilleman, Trudy M. ; Hartkopf, William I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-48555226d28cbd707d7a04a6bc15edf2616a0d94da6cb30453d7ae35c3f1e8333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>astrometry</topic><topic>Astronomy</topic><topic>Asymptotic giant branch stars</topic><topic>Carbon stars</topic><topic>Galactic disk</topic><topic>Orbital elements</topic><topic>parallaxes</topic><topic>proper motions</topic><topic>stars: carbon</topic><topic>stars: distances</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Harris, Hugh C.</creatorcontrib><creatorcontrib>Dahn, Conard C.</creatorcontrib><creatorcontrib>Subasavage, John P.</creatorcontrib><creatorcontrib>Munn, Jeffrey A.</creatorcontrib><creatorcontrib>Canzian, Blaise J.</creatorcontrib><creatorcontrib>Levine, Stephen E.</creatorcontrib><creatorcontrib>Monet, Alice B.</creatorcontrib><creatorcontrib>Pier, Jeffrey R.</creatorcontrib><creatorcontrib>Stone, Ronald C.</creatorcontrib><creatorcontrib>Tilleman, Trudy M.</creatorcontrib><creatorcontrib>Hartkopf, William I.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>The Astronomical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Harris, Hugh C.</au><au>Dahn, Conard C.</au><au>Subasavage, John P.</au><au>Munn, Jeffrey A.</au><au>Canzian, Blaise J.</au><au>Levine, Stephen E.</au><au>Monet, Alice B.</au><au>Pier, Jeffrey R.</au><au>Stone, Ronald C.</au><au>Tilleman, Trudy M.</au><au>Hartkopf, William I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Distances of Dwarf Carbon Stars</atitle><jtitle>The Astronomical journal</jtitle><stitle>AJ</stitle><addtitle>Astron. J</addtitle><date>2018-06-01</date><risdate>2018</risdate><volume>155</volume><issue>6</issue><spage>252</spage><pages>252-</pages><issn>0004-6256</issn><eissn>1538-3881</eissn><abstract>Parallaxes are presented for a sample of 20 nearby dwarf carbon stars. The inferred luminosities cover almost two orders of magnitude. Their absolute magnitudes and tangential velocities confirm prior expectations that some originate in the Galactic disk, although more than half of this sample are halo stars. 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subjects | astrometry Astronomy Asymptotic giant branch stars Carbon stars Galactic disk Orbital elements parallaxes proper motions stars: carbon stars: distances |
title | Distances of Dwarf Carbon Stars |
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