publication . Other literature type . Article . Preprint . Research . 2019

So close, so different : characterization of the K2-36 planetary system with HARPS-N

Damasso, M.; Zeng, L.; Malavolta, L.; Mayo, A.; Alessandro Sozzetti; Mortier, A.; Buchhave, L. A.; Vanderburg, A.; Lopez-Morales, M.; Bonomo, A. S.; ...
  • Published: 08 Apr 2019
  • Publisher: EDP Sciences
Abstract
K2-36 is a K dwarf orbited by two small ($R_{\rm b}=1.43\pm0.08$ $R_\oplus$ and $R_{\rm c}=3.2\pm0.3$ $R_\oplus$), close-in ($a_{\rm b}$=0.022 AU and $a_{\rm c}$=0.054 AU) transiting planets discovered by Kepler/K2. They are representatives of two families of small planets ($R_{\rm p}$<4 $R_\oplus$) recently emerged from the analysis of Kepler data, with likely a different structure, composition and evolutionary pathways. We revise the fundamental stellar parameters and the sizes of the planets, and provide the first measurement of their masses and bulk densities, which we use to infer their structure and composition. We observed K2-36 with the HARPS-N spectrogr...
Subjects
free text keywords: K2-36 (TYC 266-622-1, EPIC 201713348) [Stars- individual], detection [Planets and satellites], composition [Planets and satellites], radial velocities [Techniques], QB Astronomy, QC Physics, DAS, QB, QC, astro-ph.EP, Space and Planetary Science, Astronomy and Astrophysics, Library science, Alliance, Observatory, Physics, Astronomy, European union, media_common.cataloged_instance, media_common, Astrophysics - Earth and Planetary Astrophysics
Funded by
EC| ETAEARTH
Project
ETAEARTH
Measuring Eta_Earth: Characterization of Terrestrial Planetary Systems with Kepler, HARPS-N, and Gaia
  • Funder: European Commission (EC)
  • Project Code: 313014
  • Funding stream: FP7 | SP1 | SPA
,
RCUK| Queen's University Belfast Astronomy Observation and Theory Consolidated Grant 2017-2020
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/P000312/1
  • Funding stream: STFC
,
RCUK| Astronomy at St Andrews 2018-2021
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/R000824/1
  • Funding stream: STFC
77 references, page 1 of 6

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Andreasen, D. T., Sousa, S. G., Tsantaki, M., et al. 2017, A&A, 600, A69

Anglada-Escudé, G. & Butler, R. P. 2012, The Astrophysical Journal Supplement Series, 200, 15

Angus, R., Morton, T., Aigrain, S., Foreman-Mackey, D., & Rajpaul, V. 2018, Monthly Notices of the Royal Astronomical Society, 474, 2094

Bensby, T., Feltzing, S., & Lundström, I. 2003, A&A, 410, 527

Bensby, T., Feltzing, S., Lundström, I., & Ilyin, I. 2005, A&A, 433, 185

Berger, T. A., Huber, D., Gaidos, E., & van Saders, J. L. 2018, ApJ, 866, 99

Bodenheimer, P., Stevenson, D. J., Lissauer, J. J., & D'Angelo, G. 2018, ApJ, 868, 138

Boisse, I., Bouchy, F., Hébrard, G., et al. 2011, A&A, 528, A4

Brandt, T. D. & Huang, C. X. 2015, The Astrophysical Journal, 807, 24

Buchhave, L. A., Bizzarro, M., Latham, D. W., et al. 2014, Nature, 509, 593

Buchhave, L. A., Latham, D. W., Johansen, A., et al. 2012, Nature, 486, 375

Buchner, J., Georgakakis, A., Nandra, K., et al. 2014, A&A, 564, A125

Carter, J. A., Agol, E., Chaplin, W. J., et al. 2012, Science, 337, 556

77 references, page 1 of 6
Abstract
K2-36 is a K dwarf orbited by two small ($R_{\rm b}=1.43\pm0.08$ $R_\oplus$ and $R_{\rm c}=3.2\pm0.3$ $R_\oplus$), close-in ($a_{\rm b}$=0.022 AU and $a_{\rm c}$=0.054 AU) transiting planets discovered by Kepler/K2. They are representatives of two families of small planets ($R_{\rm p}$<4 $R_\oplus$) recently emerged from the analysis of Kepler data, with likely a different structure, composition and evolutionary pathways. We revise the fundamental stellar parameters and the sizes of the planets, and provide the first measurement of their masses and bulk densities, which we use to infer their structure and composition. We observed K2-36 with the HARPS-N spectrogr...
Subjects
free text keywords: K2-36 (TYC 266-622-1, EPIC 201713348) [Stars- individual], detection [Planets and satellites], composition [Planets and satellites], radial velocities [Techniques], QB Astronomy, QC Physics, DAS, QB, QC, astro-ph.EP, Space and Planetary Science, Astronomy and Astrophysics, Library science, Alliance, Observatory, Physics, Astronomy, European union, media_common.cataloged_instance, media_common, Astrophysics - Earth and Planetary Astrophysics
Funded by
EC| ETAEARTH
Project
ETAEARTH
Measuring Eta_Earth: Characterization of Terrestrial Planetary Systems with Kepler, HARPS-N, and Gaia
  • Funder: European Commission (EC)
  • Project Code: 313014
  • Funding stream: FP7 | SP1 | SPA
,
RCUK| Queen's University Belfast Astronomy Observation and Theory Consolidated Grant 2017-2020
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/P000312/1
  • Funding stream: STFC
,
RCUK| Astronomy at St Andrews 2018-2021
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/R000824/1
  • Funding stream: STFC
77 references, page 1 of 6

Ambikasaran, S., Foreman-Mackey, D., Greengard, L., Hogg, D. W., & O'Neil, M. 2016, IEEE Trans. Pattern Anal. Mach. Intell., 38, 252

Anderson, D. R., Collier Cameron, A., Delrez, L., et al. 2017, A&A, 604, A110

Andreasen, D. T., Sousa, S. G., Tsantaki, M., et al. 2017, A&A, 600, A69

Anglada-Escudé, G. & Butler, R. P. 2012, The Astrophysical Journal Supplement Series, 200, 15

Angus, R., Morton, T., Aigrain, S., Foreman-Mackey, D., & Rajpaul, V. 2018, Monthly Notices of the Royal Astronomical Society, 474, 2094

Bensby, T., Feltzing, S., & Lundström, I. 2003, A&A, 410, 527

Bensby, T., Feltzing, S., Lundström, I., & Ilyin, I. 2005, A&A, 433, 185

Berger, T. A., Huber, D., Gaidos, E., & van Saders, J. L. 2018, ApJ, 866, 99

Bodenheimer, P., Stevenson, D. J., Lissauer, J. J., & D'Angelo, G. 2018, ApJ, 868, 138

Boisse, I., Bouchy, F., Hébrard, G., et al. 2011, A&A, 528, A4

Brandt, T. D. & Huang, C. X. 2015, The Astrophysical Journal, 807, 24

Buchhave, L. A., Bizzarro, M., Latham, D. W., et al. 2014, Nature, 509, 593

Buchhave, L. A., Latham, D. W., Johansen, A., et al. 2012, Nature, 486, 375

Buchner, J., Georgakakis, A., Nandra, K., et al. 2014, A&A, 564, A125

Carter, J. A., Agol, E., Chaplin, W. J., et al. 2012, Science, 337, 556

77 references, page 1 of 6
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publication . Other literature type . Article . Preprint . Research . 2019

So close, so different : characterization of the K2-36 planetary system with HARPS-N

Damasso, M.; Zeng, L.; Malavolta, L.; Mayo, A.; Alessandro Sozzetti; Mortier, A.; Buchhave, L. A.; Vanderburg, A.; Lopez-Morales, M.; Bonomo, A. S.; ...