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TESS discovery of two super-Earths orbiting the M-dwarf stars TOI-6002 and TOI-5713 near the radius valley

Fuente: arXiv

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Autori principali:	Ghachoui, M., Rackham, B. V., Dévora-Pajares, M., Chouqar, J., Timmermans, M., Kaltenegger, L., Sebastian, D., Pozuelos, F. J., Eastman, J. D., Burgasser, A. J., Murgas, F., Stassun, K. G., Gillon, M., Benkhaldoun, Z., Palle, E., Delrez, L., Jenkins, J. M., Barkaoui, K., Narita, N., de Leon, J. P., Mori, M., Shporer, A., Rowden, P., Kostov, V., Fűrész, G., Collins, K. A., Schwarz, R. P., Charbonneau, D., Guerrero, N. M., Ricker, G., Jehin, E., Fukui, A., Kawai, Y., Hayashi, Y., Esparza-Borges, E., Parviainen, H., Clark, C. A., Ciardi, D. R., Polanski, A. S., Schleider, J., Gilbert, E. A., Crossfield, I. J. M., Barclay, T., Dressing, C. D., Karpoor, P. R., Softich, E., Gerasimov, R., Davoudi, F.
Natura:	Preprint
Pubblicazione:	2024
Soggetti:	Earth and Planetary Astrophysics
Accesso online:	Acceder al recurso
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_version_	1866916439584145408
author	Ghachoui, M. Rackham, B. V. Dévora-Pajares, M. Chouqar, J. Timmermans, M. Kaltenegger, L. Sebastian, D. Pozuelos, F. J. Eastman, J. D. Burgasser, A. J. Murgas, F. Stassun, K. G. Gillon, M. Benkhaldoun, Z. Palle, E. Delrez, L. Jenkins, J. M. Barkaoui, K. Narita, N. de Leon, J. P. Mori, M. Shporer, A. Rowden, P. Kostov, V. Fűrész, G. Collins, K. A. Schwarz, R. P. Charbonneau, D. Guerrero, N. M. Ricker, G. Jehin, E. Fukui, A. Kawai, Y. Hayashi, Y. Esparza-Borges, E. Parviainen, H. Clark, C. A. Ciardi, D. R. Polanski, A. S. Schleider, J. Gilbert, E. A. Crossfield, I. J. M. Barclay, T. Dressing, C. D. Karpoor, P. R. Softich, E. Gerasimov, R. Davoudi, F.
author_facet	Ghachoui, M. Rackham, B. V. Dévora-Pajares, M. Chouqar, J. Timmermans, M. Kaltenegger, L. Sebastian, D. Pozuelos, F. J. Eastman, J. D. Burgasser, A. J. Murgas, F. Stassun, K. G. Gillon, M. Benkhaldoun, Z. Palle, E. Delrez, L. Jenkins, J. M. Barkaoui, K. Narita, N. de Leon, J. P. Mori, M. Shporer, A. Rowden, P. Kostov, V. Fűrész, G. Collins, K. A. Schwarz, R. P. Charbonneau, D. Guerrero, N. M. Ricker, G. Jehin, E. Fukui, A. Kawai, Y. Hayashi, Y. Esparza-Borges, E. Parviainen, H. Clark, C. A. Ciardi, D. R. Polanski, A. S. Schleider, J. Gilbert, E. A. Crossfield, I. J. M. Barclay, T. Dressing, C. D. Karpoor, P. R. Softich, E. Gerasimov, R. Davoudi, F.
contents	We present the validation of two TESS super-Earth candidates transiting the mid-M dwarfs TOI-6002 and TOI-5713 every 10.90 and 10.44 days, respectively. The first star (TOI-6002) is located $32.038\pm0.019$ pc away, with a radius of $0.2409^{+0.0066}_{-0.0065}$ \rsun, a mass of $0.2105^{+0.0049}_{-0.0048}$ \msun, and an effective temperature of $3229^{+77}_{-57}$ K. The second star (TOI-5713) is located $40.946\pm0.032$ pc away, with a radius of $0.2985^{+0.0073}_{-0.0072}$ \rsun, a mass of $0.2653\pm0.0061$ \msun, and an effective temperature of $3225^{+41}_{-40}$ K. We validated the planets using TESS data, ground-based multi-wavelength photometry from many ground-based facilities, as well as high-resolution AO observations from Keck/NIRC2. TOI-6002 b has a radius of $1.65^{+0.22}_{-0.19}$ \re\ and receives $1.77^{+0.16}_{-0.11} S_\oplus$. TOI-5713 b has a radius of $1.77_{-0.11}^{+0.13} \re$ and receives $2.42\pm{0.11} S_\oplus$. Both planets are located near the radius valley and near the inner edge of the habitable zone of their host stars, which makes them intriguing targets for future studies to understand the formation and evolution of small planets around M-dwarf stars.
format	Preprint
id	arxiv_https___arxiv_org_abs_2408_00709
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	TESS discovery of two super-Earths orbiting the M-dwarf stars TOI-6002 and TOI-5713 near the radius valley Ghachoui, M. Rackham, B. V. Dévora-Pajares, M. Chouqar, J. Timmermans, M. Kaltenegger, L. Sebastian, D. Pozuelos, F. J. Eastman, J. D. Burgasser, A. J. Murgas, F. Stassun, K. G. Gillon, M. Benkhaldoun, Z. Palle, E. Delrez, L. Jenkins, J. M. Barkaoui, K. Narita, N. de Leon, J. P. Mori, M. Shporer, A. Rowden, P. Kostov, V. Fűrész, G. Collins, K. A. Schwarz, R. P. Charbonneau, D. Guerrero, N. M. Ricker, G. Jehin, E. Fukui, A. Kawai, Y. Hayashi, Y. Esparza-Borges, E. Parviainen, H. Clark, C. A. Ciardi, D. R. Polanski, A. S. Schleider, J. Gilbert, E. A. Crossfield, I. J. M. Barclay, T. Dressing, C. D. Karpoor, P. R. Softich, E. Gerasimov, R. Davoudi, F. Earth and Planetary Astrophysics We present the validation of two TESS super-Earth candidates transiting the mid-M dwarfs TOI-6002 and TOI-5713 every 10.90 and 10.44 days, respectively. The first star (TOI-6002) is located $32.038\pm0.019$ pc away, with a radius of $0.2409^{+0.0066}_{-0.0065}$ \rsun, a mass of $0.2105^{+0.0049}_{-0.0048}$ \msun, and an effective temperature of $3229^{+77}_{-57}$ K. The second star (TOI-5713) is located $40.946\pm0.032$ pc away, with a radius of $0.2985^{+0.0073}_{-0.0072}$ \rsun, a mass of $0.2653\pm0.0061$ \msun, and an effective temperature of $3225^{+41}_{-40}$ K. We validated the planets using TESS data, ground-based multi-wavelength photometry from many ground-based facilities, as well as high-resolution AO observations from Keck/NIRC2. TOI-6002 b has a radius of $1.65^{+0.22}_{-0.19}$ \re\ and receives $1.77^{+0.16}_{-0.11} S_\oplus$. TOI-5713 b has a radius of $1.77_{-0.11}^{+0.13} \re$ and receives $2.42\pm{0.11} S_\oplus$. Both planets are located near the radius valley and near the inner edge of the habitable zone of their host stars, which makes them intriguing targets for future studies to understand the formation and evolution of small planets around M-dwarf stars.
title	TESS discovery of two super-Earths orbiting the M-dwarf stars TOI-6002 and TOI-5713 near the radius valley
topic	Earth and Planetary Astrophysics
url	https://arxiv.org/abs/2408.00709