SPIN-ORBIT ALIGNMENT FOR 110 DAY PERIOD KOI368.01 FROM GRAVITY DARKENING
We fit the Kepler photometric light curve of the KOI-368 system using an oblate, gravity-darkened stellar model in order to constrain its spin-orbit alignment. We find that the system is relatively well-aligned with a sky-projected spin-orbit alignment of [lambda] = 10[degrees] + or - 2[degrees], a...
Gespeichert in:
| Veröffentlicht in: | The Astrophysical journal 2014-05, Vol.786 (2), p.1-5 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 5 |
|---|---|
| container_issue | 2 |
| container_start_page | 1 |
| container_title | The Astrophysical journal |
| container_volume | 786 |
| creator | Ahlers, John P Seubert, Shayne A Barnes, Jason W |
| description | We fit the Kepler photometric light curve of the KOI-368 system using an oblate, gravity-darkened stellar model in order to constrain its spin-orbit alignment. We find that the system is relatively well-aligned with a sky-projected spin-orbit alignment of [lambda] = 10[degrees] + or - 2[degrees], a stellar obliquity of [psi] = 3[degrees]+ or -7[degrees], and a true spin-orbit alignment of [phi] = 11[degrees]+ or -3[degrees]. Although our measurement differs significantly from zero, the low value for [phi] is consistent with spin-orbit alignment. We also measure various transit parameters of the KOI-368 system: R sub(KOI-368) = 2.28 + or - 0.02 R sub([middot in circle]), R sub(p) = 1.83 + or - 0.02 R sub(jup), and i = 89[degrees].221 + or - 0[degrees].013. This work shows that our gravity-darkened model can constrain long-period, well-aligned planets and M-class stars orbiting fast-rotators, allowing for measurement of a new subcategory of transiting bodies. |
| doi_str_mv | 10.1088/0004-637X/786/2/131 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_osti_</sourceid><recordid>TN_cdi_osti_scitechconnect_22356941</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1730058435</sourcerecordid><originalsourceid>FETCH-LOGICAL-c454t-7dfc31c16fe71d0563fbb71c214875984d63d4189f9189f949ed53613130a3023</originalsourceid><addsrcrecordid>eNqNkcFOg0AQhjdGE2v1CbyQePFC2WEXdveILaWkLTSIxp42dFliTVsqSw--vWCNZy8zmeTLZOb7EboHPALMuYMxprZP2JvDuO-4DhC4QAPwCLcp8dglGvwR1-jGmI9-dIUYoNnzKk7sNHuKcytYxFGyDJPcmqaZBYCtSbC2VmEWpxNrnsbE5yMM1jRLl1aUBa9xvu6IbB4mcRLdoquq2Bl999uH6GUa5uOZvUijeBwsbEU92tqsrBQBBX6lGZTY80m12TBQLlDOPMFp6ZOSAheV-ClU6NIjfvcQwQXBLhmih_Pe2rRbadS21epd1YeDVq10XeL5gkJHPZ6pY1N_nrRp5X5rlN7tioOuT0YCIxh7vJPzDxQLYBRAdCg5o6qpjWl0JY_Ndl80XxKw7IOQvVfZa5ZdENKV_d3f-JRw8g</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1709174119</pqid></control><display><type>article</type><title>SPIN-ORBIT ALIGNMENT FOR 110 DAY PERIOD KOI368.01 FROM GRAVITY DARKENING</title><source>Open Access: IOP Publishing Free Content</source><source>Alma/SFX Local Collection</source><source>EZB Electronic Journals Library</source><creator>Ahlers, John P ; Seubert, Shayne A ; Barnes, Jason W</creator><creatorcontrib>Ahlers, John P ; Seubert, Shayne A ; Barnes, Jason W</creatorcontrib><description>We fit the Kepler photometric light curve of the KOI-368 system using an oblate, gravity-darkened stellar model in order to constrain its spin-orbit alignment. We find that the system is relatively well-aligned with a sky-projected spin-orbit alignment of [lambda] = 10[degrees] + or - 2[degrees], a stellar obliquity of [psi] = 3[degrees]+ or -7[degrees], and a true spin-orbit alignment of [phi] = 11[degrees]+ or -3[degrees]. Although our measurement differs significantly from zero, the low value for [phi] is consistent with spin-orbit alignment. We also measure various transit parameters of the KOI-368 system: R sub(KOI-368) = 2.28 + or - 0.02 R sub([middot in circle]), R sub(p) = 1.83 + or - 0.02 R sub(jup), and i = 89[degrees].221 + or - 0[degrees].013. This work shows that our gravity-darkened model can constrain long-period, well-aligned planets and M-class stars orbiting fast-rotators, allowing for measurement of a new subcategory of transiting bodies.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.1088/0004-637X/786/2/131</identifier><language>eng</language><publisher>United States</publisher><subject>ALIGNMENT ; ASTROPHYSICS, COSMOLOGY AND ASTRONOMY ; COSMOLOGICAL MODELS ; Darkening ; ECLIPSE ; GRAVITATION ; L-S COUPLING ; Light curve ; Mathematical models ; ORBITS ; PHOTOMETRY ; PLANETS ; SATELLITES ; SPIN ; STARS ; Stellar models ; Transit ; VISIBLE RADIATION</subject><ispartof>The Astrophysical journal, 2014-05, Vol.786 (2), p.1-5</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c454t-7dfc31c16fe71d0563fbb71c214875984d63d4189f9189f949ed53613130a3023</citedby><cites>FETCH-LOGICAL-c454t-7dfc31c16fe71d0563fbb71c214875984d63d4189f9189f949ed53613130a3023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22356941$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Ahlers, John P</creatorcontrib><creatorcontrib>Seubert, Shayne A</creatorcontrib><creatorcontrib>Barnes, Jason W</creatorcontrib><title>SPIN-ORBIT ALIGNMENT FOR 110 DAY PERIOD KOI368.01 FROM GRAVITY DARKENING</title><title>The Astrophysical journal</title><description>We fit the Kepler photometric light curve of the KOI-368 system using an oblate, gravity-darkened stellar model in order to constrain its spin-orbit alignment. We find that the system is relatively well-aligned with a sky-projected spin-orbit alignment of [lambda] = 10[degrees] + or - 2[degrees], a stellar obliquity of [psi] = 3[degrees]+ or -7[degrees], and a true spin-orbit alignment of [phi] = 11[degrees]+ or -3[degrees]. Although our measurement differs significantly from zero, the low value for [phi] is consistent with spin-orbit alignment. We also measure various transit parameters of the KOI-368 system: R sub(KOI-368) = 2.28 + or - 0.02 R sub([middot in circle]), R sub(p) = 1.83 + or - 0.02 R sub(jup), and i = 89[degrees].221 + or - 0[degrees].013. This work shows that our gravity-darkened model can constrain long-period, well-aligned planets and M-class stars orbiting fast-rotators, allowing for measurement of a new subcategory of transiting bodies.</description><subject>ALIGNMENT</subject><subject>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</subject><subject>COSMOLOGICAL MODELS</subject><subject>Darkening</subject><subject>ECLIPSE</subject><subject>GRAVITATION</subject><subject>L-S COUPLING</subject><subject>Light curve</subject><subject>Mathematical models</subject><subject>ORBITS</subject><subject>PHOTOMETRY</subject><subject>PLANETS</subject><subject>SATELLITES</subject><subject>SPIN</subject><subject>STARS</subject><subject>Stellar models</subject><subject>Transit</subject><subject>VISIBLE RADIATION</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkcFOg0AQhjdGE2v1CbyQePFC2WEXdveILaWkLTSIxp42dFliTVsqSw--vWCNZy8zmeTLZOb7EboHPALMuYMxprZP2JvDuO-4DhC4QAPwCLcp8dglGvwR1-jGmI9-dIUYoNnzKk7sNHuKcytYxFGyDJPcmqaZBYCtSbC2VmEWpxNrnsbE5yMM1jRLl1aUBa9xvu6IbB4mcRLdoquq2Bl999uH6GUa5uOZvUijeBwsbEU92tqsrBQBBX6lGZTY80m12TBQLlDOPMFp6ZOSAheV-ClU6NIjfvcQwQXBLhmih_Pe2rRbadS21epd1YeDVq10XeL5gkJHPZ6pY1N_nrRp5X5rlN7tioOuT0YCIxh7vJPzDxQLYBRAdCg5o6qpjWl0JY_Ndl80XxKw7IOQvVfZa5ZdENKV_d3f-JRw8g</recordid><startdate>20140510</startdate><enddate>20140510</enddate><creator>Ahlers, John P</creator><creator>Seubert, Shayne A</creator><creator>Barnes, Jason W</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>20140510</creationdate><title>SPIN-ORBIT ALIGNMENT FOR 110 DAY PERIOD KOI368.01 FROM GRAVITY DARKENING</title><author>Ahlers, John P ; Seubert, Shayne A ; Barnes, Jason W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c454t-7dfc31c16fe71d0563fbb71c214875984d63d4189f9189f949ed53613130a3023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>ALIGNMENT</topic><topic>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</topic><topic>COSMOLOGICAL MODELS</topic><topic>Darkening</topic><topic>ECLIPSE</topic><topic>GRAVITATION</topic><topic>L-S COUPLING</topic><topic>Light curve</topic><topic>Mathematical models</topic><topic>ORBITS</topic><topic>PHOTOMETRY</topic><topic>PLANETS</topic><topic>SATELLITES</topic><topic>SPIN</topic><topic>STARS</topic><topic>Stellar models</topic><topic>Transit</topic><topic>VISIBLE RADIATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ahlers, John P</creatorcontrib><creatorcontrib>Seubert, Shayne A</creatorcontrib><creatorcontrib>Barnes, Jason W</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 Astrophysical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ahlers, John P</au><au>Seubert, Shayne A</au><au>Barnes, Jason W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SPIN-ORBIT ALIGNMENT FOR 110 DAY PERIOD KOI368.01 FROM GRAVITY DARKENING</atitle><jtitle>The Astrophysical journal</jtitle><date>2014-05-10</date><risdate>2014</risdate><volume>786</volume><issue>2</issue><spage>1</spage><epage>5</epage><pages>1-5</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>We fit the Kepler photometric light curve of the KOI-368 system using an oblate, gravity-darkened stellar model in order to constrain its spin-orbit alignment. We find that the system is relatively well-aligned with a sky-projected spin-orbit alignment of [lambda] = 10[degrees] + or - 2[degrees], a stellar obliquity of [psi] = 3[degrees]+ or -7[degrees], and a true spin-orbit alignment of [phi] = 11[degrees]+ or -3[degrees]. Although our measurement differs significantly from zero, the low value for [phi] is consistent with spin-orbit alignment. We also measure various transit parameters of the KOI-368 system: R sub(KOI-368) = 2.28 + or - 0.02 R sub([middot in circle]), R sub(p) = 1.83 + or - 0.02 R sub(jup), and i = 89[degrees].221 + or - 0[degrees].013. This work shows that our gravity-darkened model can constrain long-period, well-aligned planets and M-class stars orbiting fast-rotators, allowing for measurement of a new subcategory of transiting bodies.</abstract><cop>United States</cop><doi>10.1088/0004-637X/786/2/131</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0004-637X |
| ispartof | The Astrophysical journal, 2014-05, Vol.786 (2), p.1-5 |
| issn | 0004-637X 1538-4357 |
| language | eng |
| recordid | cdi_osti_scitechconnect_22356941 |
| source | Open Access: IOP Publishing Free Content; Alma/SFX Local Collection; EZB Electronic Journals Library |
| subjects | ALIGNMENT ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COSMOLOGICAL MODELS Darkening ECLIPSE GRAVITATION L-S COUPLING Light curve Mathematical models ORBITS PHOTOMETRY PLANETS SATELLITES SPIN STARS Stellar models Transit VISIBLE RADIATION |
| title | SPIN-ORBIT ALIGNMENT FOR 110 DAY PERIOD KOI368.01 FROM GRAVITY DARKENING |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-11T18%3A25%3A05IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_osti_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=SPIN-ORBIT%20ALIGNMENT%20FOR%20110%20DAY%20PERIOD%20KOI368.01%20FROM%20GRAVITY%20DARKENING&rft.jtitle=The%20Astrophysical%20journal&rft.au=Ahlers,%20John%20P&rft.date=2014-05-10&rft.volume=786&rft.issue=2&rft.spage=1&rft.epage=5&rft.pages=1-5&rft.issn=0004-637X&rft.eissn=1538-4357&rft_id=info:doi/10.1088/0004-637X/786/2/131&rft_dat=%3Cproquest_osti_%3E1730058435%3C/proquest_osti_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1709174119&rft_id=info:pmid/&rfr_iscdi=true |