TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned

Jack Lubin; Xian Yu Wang; Malena Rice; Jiayin Dong; Songhu Wang; Brandon T. Radzom; Paul Robertson; Gudmundur Stefansson; Jaime A. Alvarado-Montes; Corey Beard; Chad F. Bender; Arvind F. Gupta; Samuel Halverson; Shubham Kanodia; Dan Li; Andrea S.J. Lin; Sarah E. Logsdon; Emily Lubar; Suvrath Mahadevan; Joe P. Ninan; Jayadev Rajagopal; Arpita Roy; Christian Schwab; Jason T. Wright

doi:10.3847/2041-8213/ad0fea

TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned

Jack Lubin, Xian Yu Wang, Malena Rice, Jiayin Dong, Songhu Wang, Brandon T. Radzom, Paul Robertson, Gudmundur Stefansson, Jaime A. Alvarado-Montes, Corey Beard, Chad F. Bender, Arvind F. Gupta, Samuel Halverson, Shubham Kanodia, Dan Li, Andrea S.J. Lin, Sarah E. Logsdon, Emily Lubar, Suvrath Mahadevan, Joe P. NinanJayadev Rajagopal, Arpita Roy, Christian Schwab, Jason T. Wright

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Abstract

We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.

Original language	English (US)
Article number	L5
Journal	Astrophysical Journal Letters
Volume	959
Issue number	1
DOIs	https://doi.org/10.3847/2041-8213/ad0fea
State	Published - Dec 1 2023

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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Lubin, J., Wang, X. Y., Rice, M., Dong, J., Wang, S., Radzom, B. T., Robertson, P., Stefansson, G., Alvarado-Montes, J. A., Beard, C., Bender, C. F., Gupta, A. F., Halverson, S., Kanodia, S., Li, D., Lin, A. S. J., Logsdon, S. E., Lubar, E., Mahadevan, S., ... Wright, J. T. (2023). TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned. Astrophysical Journal Letters, 959(1), Article L5. https://doi.org/10.3847/2041-8213/ad0fea

@article{d9772ed50515432db38f95010e1f3efa,

title = "TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned",

abstract = "We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.",

author = "Jack Lubin and Wang, {Xian Yu} and Malena Rice and Jiayin Dong and Songhu Wang and Radzom, {Brandon T.} and Paul Robertson and Gudmundur Stefansson and Alvarado-Montes, {Jaime A.} and Corey Beard and Bender, {Chad F.} and Gupta, {Arvind F.} and Samuel Halverson and Shubham Kanodia and Dan Li and Lin, {Andrea S.J.} and Logsdon, {Sarah E.} and Emily Lubar and Suvrath Mahadevan and Ninan, {Joe P.} and Jayadev Rajagopal and Arpita Roy and Christian Schwab and Wright, {Jason T.}",

note = "Publisher Copyright: {\textcopyright} 2023. The Author(s). Published by the American Astronomical Society.",

year = "2023",

month = dec,

day = "1",

doi = "10.3847/2041-8213/ad0fea",

language = "English (US)",

volume = "959",

journal = "Astrophysical Journal Letters",

issn = "2041-8205",

publisher = "American Astronomical Society",

number = "1",

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Lubin, J, Wang, XY, Rice, M, Dong, J, Wang, S, Radzom, BT, Robertson, P, Stefansson, G, Alvarado-Montes, JA, Beard, C, Bender, CF, Gupta, AF, Halverson, S, Kanodia, S, Li, D, Lin, ASJ, Logsdon, SE, Lubar, E, Mahadevan, S, Ninan, JP, Rajagopal, J, Roy, A, Schwab, C & Wright, JT 2023, 'TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned', Astrophysical Journal Letters, vol. 959, no. 1, L5. https://doi.org/10.3847/2041-8213/ad0fea

TY - JOUR

T1 - TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned

AU - Lubin, Jack

AU - Wang, Xian Yu

AU - Rice, Malena

AU - Dong, Jiayin

AU - Wang, Songhu

AU - Radzom, Brandon T.

AU - Robertson, Paul

AU - Stefansson, Gudmundur

AU - Alvarado-Montes, Jaime A.

AU - Beard, Corey

AU - Bender, Chad F.

AU - Gupta, Arvind F.

AU - Halverson, Samuel

AU - Kanodia, Shubham

AU - Li, Dan

AU - Lin, Andrea S.J.

AU - Logsdon, Sarah E.

AU - Lubar, Emily

AU - Mahadevan, Suvrath

AU - Ninan, Joe P.

AU - Rajagopal, Jayadev

AU - Roy, Arpita

AU - Schwab, Christian

AU - Wright, Jason T.

PY - 2023/12/1

Y1 - 2023/12/1

N2 - We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.

AB - We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter-McLaughlin effect. We observed the transit window during UT 2023 April 20 for 7 continuous hours with NEID on the 3.5 m WIYN Telescope at Kitt Peak National Observatory. TOI-1670 hosts a sub-Neptune (P ∼ 11 days; planet b) interior to the warm Jovian (P ∼ 40 days; planet c), which presents an opportunity to investigate the dynamics of a warm Jupiter with an inner companion. Additionally, TOI-1670 c is now among the longest-period planets to date to have its sky-projected obliquity angle measured. We find planet c is well aligned to the host star, with λ = − 0.°3 ± 2.°2. TOI-1670 c joins a growing census of aligned warm Jupiters around single stars and aligned planets in multiplanet systems.

UR - http://www.scopus.com/inward/record.url?scp=85180094833&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85180094833&partnerID=8YFLogxK

U2 - 10.3847/2041-8213/ad0fea

DO - 10.3847/2041-8213/ad0fea

M3 - Article

AN - SCOPUS:85180094833

SN - 2041-8205

VL - 959

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

IS - 1

M1 - L5

ER -

TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned

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