TOI-132 b: A short-period planet in the Neptune desert transiting a v = 11.3 G-type star

Matías R. Díaz; James S. Jenkins; Davide Gandolfi; Eric D. Lopez; Maritza G. Soto; Pía Cortés-Zuleta; Zaira M. Berdiñas; Keivan G. Stassun; Karen A. Collins; José I. Vines; Carl Ziegler; Malcom Fridlund; Eric L.N. Jensen; Felipe Murgas; Alexandre Santerne; Paul A. Wilson; Massimiliano Esposito; Artie P. Hatzes; Marshall C. Johnson; Kristine W.F. Lam; John H. Livingston; Vincent Van Eylen; Norio Narita; Cesar Briceño; Kevin I. Collins; Szilárd Csizmadia; Michael Fausnaugh; Tianjun Gan; Rafael A. García; Iska Georgieva; Ana Glidden; Lucía González-Cuesta; Jon M. Jenkins; David W. Latham; Nicholas M. Law; Andrew W. Mann; Savita Mathur; Ismael Mireles; Robert Morris; Enric Pallé; Carina M. Persson; George Ricker; Stephen Rinehart; Mark E. Rose; Sara Seager; Jeffrey C. Smith; Thiam Guan Tan; Andrei Tokovinin; Andrew Vanderburg; Roland Vanderspek; Joshua N. Winn; Daniel A. Yahalomi

doi:10.1093/mnras/staa277

TOI-132 b: A short-period planet in the Neptune desert transiting a v = 11.3 G-type star

Matías R. Díaz, James S. Jenkins, Davide Gandolfi, Eric D. Lopez, Maritza G. Soto, Pía Cortés-Zuleta, Zaira M. Berdiñas, Keivan G. Stassun, Karen A. Collins, José I. Vines, Carl Ziegler, Malcom Fridlund, Eric L.N. Jensen, Felipe Murgas, Alexandre Santerne, Paul A. Wilson, Massimiliano Esposito, Artie P. Hatzes, Marshall C. Johnson, Kristine W.F. LamJohn H. Livingston, Vincent Van Eylen, Norio Narita, Cesar Briceño, Kevin I. Collins, Szilárd Csizmadia, Michael Fausnaugh, Tianjun Gan, Rafael A. García, Iska Georgieva, Ana Glidden, Lucía González-Cuesta, Jon M. Jenkins, David W. Latham, Nicholas M. Law, Andrew W. Mann, Savita Mathur, Ismael Mireles, Robert Morris, Enric Pallé, Carina M. Persson, George Ricker, Stephen Rinehart, Mark E. Rose, Sara Seager, Jeffrey C. Smith, Thiam Guan Tan, Andrei Tokovinin, Andrew Vanderburg, Roland Vanderspek, Joshua N. Winn, Daniel A. Yahalomi

Astrophysical Sciences

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20 Scopus citations

Abstract

The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the Transiting Exoplanet Survey Satellite (TESS) discovery of a new short-period planet in the Neptune desert, orbiting the G-type dwarf TYC8003-1117-1 (TOI-132). TESS photometry shows transit-like dips at the level of ∼1400 ppm occurring every ∼2.11 d. High-precision radial velocity follow-up with High Accuracy Radial Velocity Planet Searcher confirmed the planetary nature of the transit signal and provided a semi-amplitude radial velocity variation of 11.38+0.84-0.85 ms-1, which, when combined with the stellar mass of 0.97 ± 0.06 M⊙, provides a planetary mass of 22.40+1.90-1.92 M⊕. Modelling the TESS light curve returns a planet radius of 3.42+0.13-0.14 R⊕, and therefore the planet bulk density is found to be 3.08+0.44-0.46 g cm-3. Planet structure models suggest that the bulk of the planet mass is in the form of a rocky core, with an atmospheric mass fraction of 4.3+1.2-2.3 per cent. TOI-132 b is a TESS Level 1 Science Requirement candidate, and therefore priority follow-up will allow the search for additional planets in the system, whilst helping to constrain low-mass planet formation and evolution models, particularly valuable for better understanding of the Neptune desert.

Original language	English (US)
Pages (from-to)	973-985
Number of pages	13
Journal	Monthly Notices of the Royal Astronomical Society
Volume	493
Issue number	1
DOIs	https://doi.org/10.1093/mnras/staa277
State	Published - Mar 1 2020

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Planetary systems
Planets and satellites: fundamental parameters
Techniques: photometric
Techniques: radial velocities

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10.1093/mnras/staa277

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Díaz, M. R., Jenkins, J. S., Gandolfi, D., Lopez, E. D., Soto, M. G., Cortés-Zuleta, P., Berdiñas, Z. M., Stassun, K. G., Collins, K. A., Vines, J. I., Ziegler, C., Fridlund, M., Jensen, E. L. N., Murgas, F., Santerne, A., Wilson, P. A., Esposito, M., Hatzes, A. P., Johnson, M. C., ... Yahalomi, D. A. (2020). TOI-132 b: A short-period planet in the Neptune desert transiting a v = 11.3 G-type star. Monthly Notices of the Royal Astronomical Society, 493(1), 973-985. https://doi.org/10.1093/mnras/staa277

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title = "TOI-132 b: A short-period planet in the Neptune desert transiting a v = 11.3 G-type star",

abstract = "The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the Transiting Exoplanet Survey Satellite (TESS) discovery of a new short-period planet in the Neptune desert, orbiting the G-type dwarf TYC8003-1117-1 (TOI-132). TESS photometry shows transit-like dips at the level of ∼1400 ppm occurring every ∼2.11 d. High-precision radial velocity follow-up with High Accuracy Radial Velocity Planet Searcher confirmed the planetary nature of the transit signal and provided a semi-amplitude radial velocity variation of 11.38+0.84-0.85 ms-1, which, when combined with the stellar mass of 0.97 ± 0.06 M⊙, provides a planetary mass of 22.40+1.90-1.92 M⊕. Modelling the TESS light curve returns a planet radius of 3.42+0.13-0.14 R⊕, and therefore the planet bulk density is found to be 3.08+0.44-0.46 g cm-3. Planet structure models suggest that the bulk of the planet mass is in the form of a rocky core, with an atmospheric mass fraction of 4.3+1.2-2.3 per cent. TOI-132 b is a TESS Level 1 Science Requirement candidate, and therefore priority follow-up will allow the search for additional planets in the system, whilst helping to constrain low-mass planet formation and evolution models, particularly valuable for better understanding of the Neptune desert.",

keywords = "Planetary systems, Planets and satellites: fundamental parameters, Techniques: photometric, Techniques: radial velocities",

author = "D{\'i}az, {Mat{\'i}as R.} and Jenkins, {James S.} and Davide Gandolfi and Lopez, {Eric D.} and Soto, {Maritza G.} and P{\'i}a Cort{\'e}s-Zuleta and Berdi{\~n}as, {Zaira M.} and Stassun, {Keivan G.} and Collins, {Karen A.} and Vines, {Jos{\'e} I.} and Carl Ziegler and Malcom Fridlund and Jensen, {Eric L.N.} and Felipe Murgas and Alexandre Santerne and Wilson, {Paul A.} and Massimiliano Esposito and Hatzes, {Artie P.} and Johnson, {Marshall C.} and Lam, {Kristine W.F.} and Livingston, {John H.} and {Van Eylen}, Vincent and Norio Narita and Cesar Brice{\~n}o and Collins, {Kevin I.} and Szil{\'a}rd Csizmadia and Michael Fausnaugh and Tianjun Gan and Garc{\'i}a, {Rafael A.} and Iska Georgieva and Ana Glidden and Luc{\'i}a Gonz{\'a}lez-Cuesta and Jenkins, {Jon M.} and Latham, {David W.} and Law, {Nicholas M.} and Mann, {Andrew W.} and Savita Mathur and Ismael Mireles and Robert Morris and Enric Pall{\'e} and Persson, {Carina M.} and George Ricker and Stephen Rinehart and Rose, {Mark E.} and Sara Seager and Smith, {Jeffrey C.} and Tan, {Thiam Guan} and Andrei Tokovinin and Andrew Vanderburg and Roland Vanderspek and Winn, {Joshua N.} and Yahalomi, {Daniel A.}",

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year = "2020",

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doi = "10.1093/mnras/staa277",

language = "English (US)",

volume = "493",

pages = "973--985",

journal = "Monthly Notices of the Royal Astronomical Society",

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Díaz, MR, Jenkins, JS, Gandolfi, D, Lopez, ED, Soto, MG, Cortés-Zuleta, P, Berdiñas, ZM, Stassun, KG, Collins, KA, Vines, JI, Ziegler, C, Fridlund, M, Jensen, ELN, Murgas, F, Santerne, A, Wilson, PA, Esposito, M, Hatzes, AP, Johnson, MC, Lam, KWF, Livingston, JH, Van Eylen, V, Narita, N, Briceño, C, Collins, KI, Csizmadia, S, Fausnaugh, M, Gan, T, García, RA, Georgieva, I, Glidden, A, González-Cuesta, L, Jenkins, JM, Latham, DW, Law, NM, Mann, AW, Mathur, S, Mireles, I, Morris, R, Pallé, E, Persson, CM, Ricker, G, Rinehart, S, Rose, ME, Seager, S, Smith, JC, Tan, TG, Tokovinin, A, Vanderburg, A, Vanderspek, R, Winn, JN & Yahalomi, DA 2020, 'TOI-132 b: A short-period planet in the Neptune desert transiting a v = 11.3 G-type star', Monthly Notices of the Royal Astronomical Society, vol. 493, no. 1, pp. 973-985. https://doi.org/10.1093/mnras/staa277

TY - JOUR

T1 - TOI-132 b

T2 - A short-period planet in the Neptune desert transiting a v = 11.3 G-type star

AU - Díaz, Matías R.

AU - Jenkins, James S.

AU - Gandolfi, Davide

AU - Lopez, Eric D.

AU - Soto, Maritza G.

AU - Cortés-Zuleta, Pía

AU - Berdiñas, Zaira M.

AU - Stassun, Keivan G.

AU - Collins, Karen A.

AU - Vines, José I.

AU - Ziegler, Carl

AU - Fridlund, Malcom

AU - Jensen, Eric L.N.

AU - Murgas, Felipe

AU - Santerne, Alexandre

AU - Wilson, Paul A.

AU - Esposito, Massimiliano

AU - Hatzes, Artie P.

AU - Johnson, Marshall C.

AU - Lam, Kristine W.F.

AU - Livingston, John H.

AU - Van Eylen, Vincent

AU - Narita, Norio

AU - Briceño, Cesar

AU - Collins, Kevin I.

AU - Csizmadia, Szilárd

AU - Fausnaugh, Michael

AU - Gan, Tianjun

AU - García, Rafael A.

AU - Georgieva, Iska

AU - Glidden, Ana

AU - González-Cuesta, Lucía

AU - Jenkins, Jon M.

AU - Latham, David W.

AU - Law, Nicholas M.

AU - Mann, Andrew W.

AU - Mathur, Savita

AU - Mireles, Ismael

AU - Morris, Robert

AU - Pallé, Enric

AU - Persson, Carina M.

AU - Ricker, George

AU - Rinehart, Stephen

AU - Rose, Mark E.

AU - Seager, Sara

AU - Smith, Jeffrey C.

AU - Tan, Thiam Guan

AU - Tokovinin, Andrei

AU - Vanderburg, Andrew

AU - Vanderspek, Roland

AU - Winn, Joshua N.

AU - Yahalomi, Daniel A.

PY - 2020/3/1

Y1 - 2020/3/1

N2 - The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the Transiting Exoplanet Survey Satellite (TESS) discovery of a new short-period planet in the Neptune desert, orbiting the G-type dwarf TYC8003-1117-1 (TOI-132). TESS photometry shows transit-like dips at the level of ∼1400 ppm occurring every ∼2.11 d. High-precision radial velocity follow-up with High Accuracy Radial Velocity Planet Searcher confirmed the planetary nature of the transit signal and provided a semi-amplitude radial velocity variation of 11.38+0.84-0.85 ms-1, which, when combined with the stellar mass of 0.97 ± 0.06 M⊙, provides a planetary mass of 22.40+1.90-1.92 M⊕. Modelling the TESS light curve returns a planet radius of 3.42+0.13-0.14 R⊕, and therefore the planet bulk density is found to be 3.08+0.44-0.46 g cm-3. Planet structure models suggest that the bulk of the planet mass is in the form of a rocky core, with an atmospheric mass fraction of 4.3+1.2-2.3 per cent. TOI-132 b is a TESS Level 1 Science Requirement candidate, and therefore priority follow-up will allow the search for additional planets in the system, whilst helping to constrain low-mass planet formation and evolution models, particularly valuable for better understanding of the Neptune desert.

AB - The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the Transiting Exoplanet Survey Satellite (TESS) discovery of a new short-period planet in the Neptune desert, orbiting the G-type dwarf TYC8003-1117-1 (TOI-132). TESS photometry shows transit-like dips at the level of ∼1400 ppm occurring every ∼2.11 d. High-precision radial velocity follow-up with High Accuracy Radial Velocity Planet Searcher confirmed the planetary nature of the transit signal and provided a semi-amplitude radial velocity variation of 11.38+0.84-0.85 ms-1, which, when combined with the stellar mass of 0.97 ± 0.06 M⊙, provides a planetary mass of 22.40+1.90-1.92 M⊕. Modelling the TESS light curve returns a planet radius of 3.42+0.13-0.14 R⊕, and therefore the planet bulk density is found to be 3.08+0.44-0.46 g cm-3. Planet structure models suggest that the bulk of the planet mass is in the form of a rocky core, with an atmospheric mass fraction of 4.3+1.2-2.3 per cent. TOI-132 b is a TESS Level 1 Science Requirement candidate, and therefore priority follow-up will allow the search for additional planets in the system, whilst helping to constrain low-mass planet formation and evolution models, particularly valuable for better understanding of the Neptune desert.

KW - Planetary systems

KW - Planets and satellites: fundamental parameters

KW - Techniques: photometric

KW - Techniques: radial velocities

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DO - 10.1093/mnras/staa277

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JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

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TOI-132 b: A short-period planet in the Neptune desert transiting a v = 11.3 G-type star

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