The First Kepler Mission Planet Confirmed With The Hobby-Eberly Telescope: Kepler-15b, a Hot Jupiter Enriched In Heavy Elements
We report the discovery of Kepler-15b, a new transiting exoplanet detected by NASA's Kepler mission. The transit signal with a period of 4.94 days was detected in the quarter 1 (Q1) Kepler photometry. For the first time, we have used the High-Resolution-Spectrograph (HRS) at the Hobby-Eberly Te...
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| creator | Endl, Michael MacQueen, Phillip J Cochran, William D Brugamyer, Erik Buchhave, Lars A Rowe, Jason Lucas, Phillip Issacson, Howard Bryson, Steve Howell, Steve B Fortney, Jonathan J Hansen, Terese Borucki, William J Caldwell, Douglas Christiansen, Jessie L Ciardi, David R Demory, Brice-Olivier Everett, Mark Ford, Eric B Haas, Michael R Holman, Matthew J Horch, Elliot Jenkins, Jon M Koch, David J Lissauer, Jack J Machalek, Pavel Still, Martin Welsh, William F Sanderfer, Dwight T Seader, Shawn E Smith, Jeffrey C Thompson, Susan E Twicken, Joseph D |
| description | We report the discovery of Kepler-15b, a new transiting exoplanet detected by
NASA's Kepler mission. The transit signal with a period of 4.94 days was
detected in the quarter 1 (Q1) Kepler photometry. For the first time, we have
used the High-Resolution-Spectrograph (HRS) at the Hobby-Eberly Telescope (HET)
to determine the mass of a Kepler planet via precise radial velocity (RV)
measurements. The 24 HET/HRS radial velocities (RV) and 6 additional
measurements from the FIES spectrograph at the Nordic Optical Telescope (NOT)
reveal a Doppler signal with the same period and phase as the transit
ephemeris. We used one HET/HRS spectrum of Kepler-15 taken without the iodine
cell to determine accurate stellar parameters. The host star is a metal-rich
([Fe/H]=0.36+/-0.07) G-type main sequence star with T_eff=5515+/-124 K. The
amplitude of the RV-orbit yields a mass of the planet of 0.66+/-0.1 M_Jup. The
planet has a radius of 0.96+/-0.06 R_Jup and a mean bulk density of 0.9+/-0.2
g/cm^3. The planetary radius resides on the lower envelope for transiting
planets with similar mass and irradiation level. This suggests significant
enrichment of the planet with heavy elements. We estimate a heavy element mass
of 30-40 M_Earth within Kepler-15b. |
| doi_str_mv | 10.48550/arxiv.1107.2596 |
| format | Article |
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NASA's Kepler mission. The transit signal with a period of 4.94 days was
detected in the quarter 1 (Q1) Kepler photometry. For the first time, we have
used the High-Resolution-Spectrograph (HRS) at the Hobby-Eberly Telescope (HET)
to determine the mass of a Kepler planet via precise radial velocity (RV)
measurements. The 24 HET/HRS radial velocities (RV) and 6 additional
measurements from the FIES spectrograph at the Nordic Optical Telescope (NOT)
reveal a Doppler signal with the same period and phase as the transit
ephemeris. We used one HET/HRS spectrum of Kepler-15 taken without the iodine
cell to determine accurate stellar parameters. The host star is a metal-rich
([Fe/H]=0.36+/-0.07) G-type main sequence star with T_eff=5515+/-124 K. The
amplitude of the RV-orbit yields a mass of the planet of 0.66+/-0.1 M_Jup. The
planet has a radius of 0.96+/-0.06 R_Jup and a mean bulk density of 0.9+/-0.2
g/cm^3. The planetary radius resides on the lower envelope for transiting
planets with similar mass and irradiation level. This suggests significant
enrichment of the planet with heavy elements. We estimate a heavy element mass
of 30-40 M_Earth within Kepler-15b.</description><identifier>DOI: 10.48550/arxiv.1107.2596</identifier><language>eng</language><subject>Physics - Earth and Planetary Astrophysics</subject><creationdate>2011-07</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1107.2596$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1107.2596$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Endl, Michael</creatorcontrib><creatorcontrib>MacQueen, Phillip J</creatorcontrib><creatorcontrib>Cochran, William D</creatorcontrib><creatorcontrib>Brugamyer, Erik</creatorcontrib><creatorcontrib>Buchhave, Lars A</creatorcontrib><creatorcontrib>Rowe, Jason</creatorcontrib><creatorcontrib>Lucas, Phillip</creatorcontrib><creatorcontrib>Issacson, Howard</creatorcontrib><creatorcontrib>Bryson, Steve</creatorcontrib><creatorcontrib>Howell, Steve B</creatorcontrib><creatorcontrib>Fortney, Jonathan J</creatorcontrib><creatorcontrib>Hansen, Terese</creatorcontrib><creatorcontrib>Borucki, William J</creatorcontrib><creatorcontrib>Caldwell, Douglas</creatorcontrib><creatorcontrib>Christiansen, Jessie L</creatorcontrib><creatorcontrib>Ciardi, David R</creatorcontrib><creatorcontrib>Demory, Brice-Olivier</creatorcontrib><creatorcontrib>Everett, Mark</creatorcontrib><creatorcontrib>Ford, Eric B</creatorcontrib><creatorcontrib>Haas, Michael R</creatorcontrib><creatorcontrib>Holman, Matthew J</creatorcontrib><creatorcontrib>Horch, Elliot</creatorcontrib><creatorcontrib>Jenkins, Jon M</creatorcontrib><creatorcontrib>Koch, David J</creatorcontrib><creatorcontrib>Lissauer, Jack J</creatorcontrib><creatorcontrib>Machalek, Pavel</creatorcontrib><creatorcontrib>Still, Martin</creatorcontrib><creatorcontrib>Welsh, William F</creatorcontrib><creatorcontrib>Sanderfer, Dwight T</creatorcontrib><creatorcontrib>Seader, Shawn E</creatorcontrib><creatorcontrib>Smith, Jeffrey C</creatorcontrib><creatorcontrib>Thompson, Susan E</creatorcontrib><creatorcontrib>Twicken, Joseph D</creatorcontrib><title>The First Kepler Mission Planet Confirmed With The Hobby-Eberly Telescope: Kepler-15b, a Hot Jupiter Enriched In Heavy Elements</title><description>We report the discovery of Kepler-15b, a new transiting exoplanet detected by
NASA's Kepler mission. The transit signal with a period of 4.94 days was
detected in the quarter 1 (Q1) Kepler photometry. For the first time, we have
used the High-Resolution-Spectrograph (HRS) at the Hobby-Eberly Telescope (HET)
to determine the mass of a Kepler planet via precise radial velocity (RV)
measurements. The 24 HET/HRS radial velocities (RV) and 6 additional
measurements from the FIES spectrograph at the Nordic Optical Telescope (NOT)
reveal a Doppler signal with the same period and phase as the transit
ephemeris. We used one HET/HRS spectrum of Kepler-15 taken without the iodine
cell to determine accurate stellar parameters. The host star is a metal-rich
([Fe/H]=0.36+/-0.07) G-type main sequence star with T_eff=5515+/-124 K. The
amplitude of the RV-orbit yields a mass of the planet of 0.66+/-0.1 M_Jup. The
planet has a radius of 0.96+/-0.06 R_Jup and a mean bulk density of 0.9+/-0.2
g/cm^3. The planetary radius resides on the lower envelope for transiting
planets with similar mass and irradiation level. This suggests significant
enrichment of the planet with heavy elements. We estimate a heavy element mass
of 30-40 M_Earth within Kepler-15b.</description><subject>Physics - Earth and Planetary Astrophysics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNot0DFPhDAYxnEWB3O6O5l-AMFCaSluhnBy5xkdSBxJW15CEyikrReZ_OqC3vQsT37DPwjuYhylnFL8KOy3PkdxjLMooTm7Dn7qHtBeW-fRK8wDWPSmndOTQR-DMOBRMZlO2xFa9Kl9j7Z7NUm5hKUEOyyohgGcmmZ4ugBhTOUDEuvLo-PXrP1qlsZq1a_GwaAKxHlB5QAjGO9ugqtODA5uL7sL6n1ZF1V4en85FM-nUDDKQogV4JwBIV1OUo4xUKJIksqY0xa4AElAtB3DLeFMCUmyJGFEtSpjKecpJ7vg_p_9C9DMVo_CLs0WotlCkF-l6FhY</recordid><startdate>20110713</startdate><enddate>20110713</enddate><creator>Endl, Michael</creator><creator>MacQueen, Phillip J</creator><creator>Cochran, William D</creator><creator>Brugamyer, Erik</creator><creator>Buchhave, Lars A</creator><creator>Rowe, Jason</creator><creator>Lucas, Phillip</creator><creator>Issacson, Howard</creator><creator>Bryson, Steve</creator><creator>Howell, Steve B</creator><creator>Fortney, Jonathan J</creator><creator>Hansen, Terese</creator><creator>Borucki, William J</creator><creator>Caldwell, Douglas</creator><creator>Christiansen, Jessie L</creator><creator>Ciardi, David R</creator><creator>Demory, Brice-Olivier</creator><creator>Everett, Mark</creator><creator>Ford, Eric B</creator><creator>Haas, Michael R</creator><creator>Holman, Matthew J</creator><creator>Horch, Elliot</creator><creator>Jenkins, Jon M</creator><creator>Koch, David J</creator><creator>Lissauer, Jack J</creator><creator>Machalek, Pavel</creator><creator>Still, Martin</creator><creator>Welsh, William F</creator><creator>Sanderfer, Dwight T</creator><creator>Seader, Shawn E</creator><creator>Smith, Jeffrey C</creator><creator>Thompson, Susan E</creator><creator>Twicken, Joseph D</creator><scope>GOX</scope></search><sort><creationdate>20110713</creationdate><title>The First Kepler Mission Planet Confirmed With The Hobby-Eberly Telescope: Kepler-15b, a Hot Jupiter Enriched In Heavy Elements</title><author>Endl, Michael ; MacQueen, Phillip J ; Cochran, William D ; Brugamyer, Erik ; Buchhave, Lars A ; Rowe, Jason ; Lucas, Phillip ; Issacson, Howard ; Bryson, Steve ; Howell, Steve B ; Fortney, Jonathan J ; Hansen, Terese ; Borucki, William J ; Caldwell, Douglas ; Christiansen, Jessie L ; Ciardi, David R ; Demory, Brice-Olivier ; Everett, Mark ; Ford, Eric B ; Haas, Michael R ; Holman, Matthew J ; Horch, Elliot ; Jenkins, Jon M ; Koch, David J ; Lissauer, Jack J ; Machalek, Pavel ; Still, Martin ; Welsh, William F ; Sanderfer, Dwight T ; Seader, Shawn E ; Smith, Jeffrey C ; Thompson, Susan E ; Twicken, Joseph D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a656-e1ce096e33f934800e53c324b185de8aeb3eadf60d386cab372263cdc76488483</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Physics - Earth and Planetary Astrophysics</topic><toplevel>online_resources</toplevel><creatorcontrib>Endl, Michael</creatorcontrib><creatorcontrib>MacQueen, Phillip J</creatorcontrib><creatorcontrib>Cochran, William D</creatorcontrib><creatorcontrib>Brugamyer, Erik</creatorcontrib><creatorcontrib>Buchhave, Lars A</creatorcontrib><creatorcontrib>Rowe, Jason</creatorcontrib><creatorcontrib>Lucas, Phillip</creatorcontrib><creatorcontrib>Issacson, Howard</creatorcontrib><creatorcontrib>Bryson, Steve</creatorcontrib><creatorcontrib>Howell, Steve B</creatorcontrib><creatorcontrib>Fortney, Jonathan J</creatorcontrib><creatorcontrib>Hansen, Terese</creatorcontrib><creatorcontrib>Borucki, William J</creatorcontrib><creatorcontrib>Caldwell, Douglas</creatorcontrib><creatorcontrib>Christiansen, Jessie L</creatorcontrib><creatorcontrib>Ciardi, David R</creatorcontrib><creatorcontrib>Demory, Brice-Olivier</creatorcontrib><creatorcontrib>Everett, Mark</creatorcontrib><creatorcontrib>Ford, Eric B</creatorcontrib><creatorcontrib>Haas, Michael R</creatorcontrib><creatorcontrib>Holman, Matthew J</creatorcontrib><creatorcontrib>Horch, Elliot</creatorcontrib><creatorcontrib>Jenkins, Jon M</creatorcontrib><creatorcontrib>Koch, David J</creatorcontrib><creatorcontrib>Lissauer, Jack J</creatorcontrib><creatorcontrib>Machalek, Pavel</creatorcontrib><creatorcontrib>Still, Martin</creatorcontrib><creatorcontrib>Welsh, William F</creatorcontrib><creatorcontrib>Sanderfer, Dwight T</creatorcontrib><creatorcontrib>Seader, Shawn E</creatorcontrib><creatorcontrib>Smith, Jeffrey C</creatorcontrib><creatorcontrib>Thompson, Susan E</creatorcontrib><creatorcontrib>Twicken, Joseph D</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Endl, Michael</au><au>MacQueen, Phillip J</au><au>Cochran, William D</au><au>Brugamyer, Erik</au><au>Buchhave, Lars A</au><au>Rowe, Jason</au><au>Lucas, Phillip</au><au>Issacson, Howard</au><au>Bryson, Steve</au><au>Howell, Steve B</au><au>Fortney, Jonathan J</au><au>Hansen, Terese</au><au>Borucki, William J</au><au>Caldwell, Douglas</au><au>Christiansen, Jessie L</au><au>Ciardi, David R</au><au>Demory, Brice-Olivier</au><au>Everett, Mark</au><au>Ford, Eric B</au><au>Haas, Michael R</au><au>Holman, Matthew J</au><au>Horch, Elliot</au><au>Jenkins, Jon M</au><au>Koch, David J</au><au>Lissauer, Jack J</au><au>Machalek, Pavel</au><au>Still, Martin</au><au>Welsh, William F</au><au>Sanderfer, Dwight T</au><au>Seader, Shawn E</au><au>Smith, Jeffrey C</au><au>Thompson, Susan E</au><au>Twicken, Joseph D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The First Kepler Mission Planet Confirmed With The Hobby-Eberly Telescope: Kepler-15b, a Hot Jupiter Enriched In Heavy Elements</atitle><date>2011-07-13</date><risdate>2011</risdate><abstract>We report the discovery of Kepler-15b, a new transiting exoplanet detected by
NASA's Kepler mission. The transit signal with a period of 4.94 days was
detected in the quarter 1 (Q1) Kepler photometry. For the first time, we have
used the High-Resolution-Spectrograph (HRS) at the Hobby-Eberly Telescope (HET)
to determine the mass of a Kepler planet via precise radial velocity (RV)
measurements. The 24 HET/HRS radial velocities (RV) and 6 additional
measurements from the FIES spectrograph at the Nordic Optical Telescope (NOT)
reveal a Doppler signal with the same period and phase as the transit
ephemeris. We used one HET/HRS spectrum of Kepler-15 taken without the iodine
cell to determine accurate stellar parameters. The host star is a metal-rich
([Fe/H]=0.36+/-0.07) G-type main sequence star with T_eff=5515+/-124 K. The
amplitude of the RV-orbit yields a mass of the planet of 0.66+/-0.1 M_Jup. The
planet has a radius of 0.96+/-0.06 R_Jup and a mean bulk density of 0.9+/-0.2
g/cm^3. The planetary radius resides on the lower envelope for transiting
planets with similar mass and irradiation level. This suggests significant
enrichment of the planet with heavy elements. We estimate a heavy element mass
of 30-40 M_Earth within Kepler-15b.</abstract><doi>10.48550/arxiv.1107.2596</doi><oa>free_for_read</oa></addata></record> |
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| title | The First Kepler Mission Planet Confirmed With The Hobby-Eberly Telescope: Kepler-15b, a Hot Jupiter Enriched In Heavy Elements |
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