The Nature of the Period Changes in RV Tauri Stars
We have studied the period changes in 15 RV Tauri stars, using the Eddington-Plakidis hypothesis, which assumes that the (O— C) diagrams can be interpreted as a superposition of random errors in the measured times of minimum, and random cycle-to-cycle fluctuations in the period. Except for three sta...
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| Veröffentlicht in: | Publications of the Astronomical Society of the Pacific 1997-03, Vol.109 (733), p.264-269 |
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| container_title | Publications of the Astronomical Society of the Pacific |
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| creator | Percy, John R. Bezuhly, Michael Milanowski, Monica Zsoldos, Endre |
| description | We have studied the period changes in 15 RV Tauri stars, using the Eddington-Plakidis hypothesis, which assumes that the (O— C) diagrams can be interpreted as a superposition of random errors in the measured times of minimum, and random cycle-to-cycle fluctuations in the period. Except for three stars for which the data are sparse, the hypothesis fits the (O-C) data very well, suggesting that the assumptions are correct. The magnitude of the random period fluctuations does not appear to correlate with any obvious physical property of the stars. |
| doi_str_mv | 10.1086/133883 |
| format | Article |
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Except for three stars for which the data are sparse, the hypothesis fits the (O-C) data very well, suggesting that the assumptions are correct. 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Except for three stars for which the data are sparse, the hypothesis fits the (O-C) data very well, suggesting that the assumptions are correct. The magnitude of the random period fluctuations does not appear to correlate with any obvious physical property of the stars.</description><subject>Astronomical magnitude</subject><subject>Correlations</subject><subject>Light curves</subject><subject>Mathematical minima</subject><subject>Modeling</subject><subject>RV Tauri variables</subject><subject>Slope of a line</subject><subject>Stars</subject><subject>Stellar evolution</subject><subject>Variable stars</subject><issn>0004-6280</issn><issn>1538-3873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNo9j81KxDAURoMoWEd9AyErd9Wb3iS9WUrxDwYVrW5L0iROB51K0ln49o5UXH18cDhwGDsVcCGA9KVAJMI9VgiFVCLVuM8KAJClrggO2VHOawAhSEDBqnYV-IOdtinwMfJp955CGkbPm5XdvIfMhw1_fuOt3aaBv0w25WN2EO1HDid_u2CvN9dtc1cuH2_vm6tl2Ve1msqgah2A-uiUVdJUPoAw3tVGKmPAKfRRyaB9UL3FmqyXILRHLbWKTkqHC3Y-e_s05pxC7L7S8GnTdyeg-y3t5tIdeDaD6zyN6Z-SoAnIKPwB6ilMiw</recordid><startdate>19970301</startdate><enddate>19970301</enddate><creator>Percy, John R.</creator><creator>Bezuhly, Michael</creator><creator>Milanowski, Monica</creator><creator>Zsoldos, Endre</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19970301</creationdate><title>The Nature of the Period Changes in RV Tauri Stars</title><author>Percy, John R. ; Bezuhly, Michael ; Milanowski, Monica ; Zsoldos, Endre</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c275t-e576e08cfb5a5492de019db7945990b53df54e6de5ca378ad4016d36465fb44b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Astronomical magnitude</topic><topic>Correlations</topic><topic>Light curves</topic><topic>Mathematical minima</topic><topic>Modeling</topic><topic>RV Tauri variables</topic><topic>Slope of a line</topic><topic>Stars</topic><topic>Stellar evolution</topic><topic>Variable stars</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Percy, John R.</creatorcontrib><creatorcontrib>Bezuhly, Michael</creatorcontrib><creatorcontrib>Milanowski, Monica</creatorcontrib><creatorcontrib>Zsoldos, Endre</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>Percy, John R.</au><au>Bezuhly, Michael</au><au>Milanowski, Monica</au><au>Zsoldos, Endre</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Nature of the Period Changes in RV Tauri Stars</atitle><jtitle>Publications of the Astronomical Society of the Pacific</jtitle><date>1997-03-01</date><risdate>1997</risdate><volume>109</volume><issue>733</issue><spage>264</spage><epage>269</epage><pages>264-269</pages><issn>0004-6280</issn><eissn>1538-3873</eissn><abstract>We have studied the period changes in 15 RV Tauri stars, using the Eddington-Plakidis hypothesis, which assumes that the (O— C) diagrams can be interpreted as a superposition of random errors in the measured times of minimum, and random cycle-to-cycle fluctuations in the period. Except for three stars for which the data are sparse, the hypothesis fits the (O-C) data very well, suggesting that the assumptions are correct. The magnitude of the random period fluctuations does not appear to correlate with any obvious physical property of the stars.</abstract><pub>American Institute of Physics</pub><doi>10.1086/133883</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | IOP Publishing Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; JSTOR Archive Collection A-Z Listing; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | Astronomical magnitude Correlations Light curves Mathematical minima Modeling RV Tauri variables Slope of a line Stars Stellar evolution Variable stars |
| title | The Nature of the Period Changes in RV Tauri Stars |
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