Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N
We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Caleb I. Cañas [verfasserIn] Chad F. Bender [verfasserIn] Suvrath Mahadevan [verfasserIn] Dmitry Bizyaev [verfasserIn] Nathan De Lee [verfasserIn] Scott W. Fleming [verfasserIn] Fred Hearty [verfasserIn] Steven R. Majewski [verfasserIn] Christian Nitschelm [verfasserIn] Donald P. Schneider [verfasserIn] Javier Serna [verfasserIn] Keivan G. Stassun [verfasserIn] Guđmundur Stefánsson [verfasserIn] Guy S. Stringfellow [verfasserIn] John C. Wilson [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: The Astrophysical Journal Supplement Series - IOP Publishing, 2022, 265(2023), 2, p 50 |
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| Übergeordnetes Werk: |
volume:265 ; year:2023 ; number:2, p 50 |
| Links: |
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| DOI / URN: |
10.3847/1538-4365/acbcbe |
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| Katalog-ID: |
DOAJ088708799 |
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| 520 | |a We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. | ||
| 650 | 4 | |a Binary stars | |
| 650 | 4 | |a Companion stars | |
| 653 | 0 | |a Astrophysics | |
| 700 | 0 | |a Chad F. Bender |e verfasserin |4 aut | |
| 700 | 0 | |a Suvrath Mahadevan |e verfasserin |4 aut | |
| 700 | 0 | |a Dmitry Bizyaev |e verfasserin |4 aut | |
| 700 | 0 | |a Nathan De Lee |e verfasserin |4 aut | |
| 700 | 0 | |a Scott W. Fleming |e verfasserin |4 aut | |
| 700 | 0 | |a Fred Hearty |e verfasserin |4 aut | |
| 700 | 0 | |a Steven R. Majewski |e verfasserin |4 aut | |
| 700 | 0 | |a Christian Nitschelm |e verfasserin |4 aut | |
| 700 | 0 | |a Donald P. Schneider |e verfasserin |4 aut | |
| 700 | 0 | |a Javier Serna |e verfasserin |4 aut | |
| 700 | 0 | |a Keivan G. Stassun |e verfasserin |4 aut | |
| 700 | 0 | |a Guđmundur Stefánsson |e verfasserin |4 aut | |
| 700 | 0 | |a Guy S. Stringfellow |e verfasserin |4 aut | |
| 700 | 0 | |a John C. Wilson |e verfasserin |4 aut | |
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10.3847/1538-4365/acbcbe doi (DE-627)DOAJ088708799 (DE-599)DOAJ0afad5570691408d9e090a2645a9842a DE-627 ger DE-627 rakwb eng QB460-466 Caleb I. Cañas verfasserin aut Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. Binary stars Companion stars Astrophysics Chad F. Bender verfasserin aut Suvrath Mahadevan verfasserin aut Dmitry Bizyaev verfasserin aut Nathan De Lee verfasserin aut Scott W. Fleming verfasserin aut Fred Hearty verfasserin aut Steven R. Majewski verfasserin aut Christian Nitschelm verfasserin aut Donald P. Schneider verfasserin aut Javier Serna verfasserin aut Keivan G. Stassun verfasserin aut Guđmundur Stefánsson verfasserin aut Guy S. Stringfellow verfasserin aut John C. Wilson verfasserin aut In The Astrophysical Journal Supplement Series IOP Publishing, 2022 265(2023), 2, p 50 (DE-627)312200196 (DE-600)2006860-8 15384365 nnns volume:265 year:2023 number:2, p 50 https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/article/0afad5570691408d9e090a2645a9842a kostenfrei https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/toc/0067-0049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 265 2023 2, p 50 |
| spelling |
10.3847/1538-4365/acbcbe doi (DE-627)DOAJ088708799 (DE-599)DOAJ0afad5570691408d9e090a2645a9842a DE-627 ger DE-627 rakwb eng QB460-466 Caleb I. Cañas verfasserin aut Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. Binary stars Companion stars Astrophysics Chad F. Bender verfasserin aut Suvrath Mahadevan verfasserin aut Dmitry Bizyaev verfasserin aut Nathan De Lee verfasserin aut Scott W. Fleming verfasserin aut Fred Hearty verfasserin aut Steven R. Majewski verfasserin aut Christian Nitschelm verfasserin aut Donald P. Schneider verfasserin aut Javier Serna verfasserin aut Keivan G. Stassun verfasserin aut Guđmundur Stefánsson verfasserin aut Guy S. Stringfellow verfasserin aut John C. Wilson verfasserin aut In The Astrophysical Journal Supplement Series IOP Publishing, 2022 265(2023), 2, p 50 (DE-627)312200196 (DE-600)2006860-8 15384365 nnns volume:265 year:2023 number:2, p 50 https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/article/0afad5570691408d9e090a2645a9842a kostenfrei https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/toc/0067-0049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 265 2023 2, p 50 |
| allfields_unstemmed |
10.3847/1538-4365/acbcbe doi (DE-627)DOAJ088708799 (DE-599)DOAJ0afad5570691408d9e090a2645a9842a DE-627 ger DE-627 rakwb eng QB460-466 Caleb I. Cañas verfasserin aut Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. Binary stars Companion stars Astrophysics Chad F. Bender verfasserin aut Suvrath Mahadevan verfasserin aut Dmitry Bizyaev verfasserin aut Nathan De Lee verfasserin aut Scott W. Fleming verfasserin aut Fred Hearty verfasserin aut Steven R. Majewski verfasserin aut Christian Nitschelm verfasserin aut Donald P. Schneider verfasserin aut Javier Serna verfasserin aut Keivan G. Stassun verfasserin aut Guđmundur Stefánsson verfasserin aut Guy S. Stringfellow verfasserin aut John C. Wilson verfasserin aut In The Astrophysical Journal Supplement Series IOP Publishing, 2022 265(2023), 2, p 50 (DE-627)312200196 (DE-600)2006860-8 15384365 nnns volume:265 year:2023 number:2, p 50 https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/article/0afad5570691408d9e090a2645a9842a kostenfrei https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/toc/0067-0049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 265 2023 2, p 50 |
| allfieldsGer |
10.3847/1538-4365/acbcbe doi (DE-627)DOAJ088708799 (DE-599)DOAJ0afad5570691408d9e090a2645a9842a DE-627 ger DE-627 rakwb eng QB460-466 Caleb I. Cañas verfasserin aut Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. Binary stars Companion stars Astrophysics Chad F. Bender verfasserin aut Suvrath Mahadevan verfasserin aut Dmitry Bizyaev verfasserin aut Nathan De Lee verfasserin aut Scott W. Fleming verfasserin aut Fred Hearty verfasserin aut Steven R. Majewski verfasserin aut Christian Nitschelm verfasserin aut Donald P. Schneider verfasserin aut Javier Serna verfasserin aut Keivan G. Stassun verfasserin aut Guđmundur Stefánsson verfasserin aut Guy S. Stringfellow verfasserin aut John C. Wilson verfasserin aut In The Astrophysical Journal Supplement Series IOP Publishing, 2022 265(2023), 2, p 50 (DE-627)312200196 (DE-600)2006860-8 15384365 nnns volume:265 year:2023 number:2, p 50 https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/article/0afad5570691408d9e090a2645a9842a kostenfrei https://doi.org/10.3847/1538-4365/acbcbe kostenfrei https://doaj.org/toc/0067-0049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 265 2023 2, p 50 |
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Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N |
| abstract |
We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. |
| abstractGer |
We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. |
| abstract_unstemmed |
We report the characterization of 28 low-mass (0.02 M _⊙ ≤ M _2 ≤ 0.25 M _⊙ ) companions to Kepler objects of interest (KOIs), eight of which were previously designated confirmed planets. These objects were detected as transiting companions to Sunlike stars (G and F dwarfs) by the Kepler mission and are confirmed as single-lined spectroscopic binaries in the current work using the northern multiplexed Apache Point Observatory Galactic Evolution Experiment near-infrared spectrograph (APOGEE-N) as part of the third and fourth Sloan Digital Sky Surveys. We have observed hundreds of KOIs using APOGEE-N and collected a total of 43,175 spectra with a median of 19 visits and a median baseline of ∼1.9 yr per target. We jointly model the Kepler photometry and APOGEE-N radial velocities to derive fundamental parameters for this subset of 28 transiting companions. The radii for most of these low-mass companions are overinflated (by ∼10%) when compared to theoretical models. Tidally locked M dwarfs on short-period orbits show the largest amount of inflation, but inflation is also evident for companions that are well separated from the host star. We demonstrate that APOGEE-N data provide reliable radial velocities when compared to precise high-resolution spectrographs that enable detailed characterization of individual systems and the inference of orbital elements for faint ( H < 12) KOIs. The data from the entire APOGEE-KOI program are public and present an opportunity to characterize an extensive subset of the binary population observed by Kepler. |
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| container_issue |
2, p 50 |
| title_short |
Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N |
| url |
https://doi.org/10.3847/1538-4365/acbcbe https://doaj.org/article/0afad5570691408d9e090a2645a9842a https://doaj.org/toc/0067-0049 |
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Chad F. Bender Suvrath Mahadevan Dmitry Bizyaev Nathan De Lee Scott W. Fleming Fred Hearty Steven R. Majewski Christian Nitschelm Donald P. Schneider Javier Serna Keivan G. Stassun Guđmundur Stefánsson Guy S. Stringfellow John C. Wilson |
| author2Str |
Chad F. Bender Suvrath Mahadevan Dmitry Bizyaev Nathan De Lee Scott W. Fleming Fred Hearty Steven R. Majewski Christian Nitschelm Donald P. Schneider Javier Serna Keivan G. Stassun Guđmundur Stefánsson Guy S. Stringfellow John C. Wilson |
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| doi_str |
10.3847/1538-4365/acbcbe |
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| up_date |
2024-07-03T19:07:20.511Z |
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