Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets

Jessie L. Christiansen; Andrew Vanderburg; Jennifer Burt; B. J. Fulton; Konstantin Batygin; Björn Benneke; John M. Brewer; David Charbonneau; David R. Ciardi; Andrew Collier Cameron; Jeffrey L. Coughlin; Ian J. M. Crossfield; Courtney Dressing; Thomas P. Greene; Andrew W. Howard; David W. Latham; Emilio Molinari; Annelies Mortier; Fergal Mullally; Francesco Pepe; Ken Rice; Evan Sinukoff; Alessandro Sozzetti; Susan E. Thompson; Stéphane Udry; Steven S. Vogt; Travis S. Barman; Natasha E. Batalha; Francois Bouchy; Lars A. Buchhave; R. Paul Butler; Rosario Cosentino; Trent J. Dupuy; David Ehrenreich; Aldo Fiorenzano; Brad M. S. Hansen; Thomas Henning; Lea Hirsch; Bradford P. Holden; Howard T. Isaacson; John A. Johnson; Heather A. Knutson; Molly Kosiarek; Mercedes López-Morales; Christophe Lovis; Luca Malavolta; Michel Mayor; Giuseppina Micela; Fatemeh Motalebi; Erik Petigura; David F. Phillips; Giampaolo Piotto; Leslie A. Rogers; Dimitar Sasselov; Joshua E. Schlieder; Damien Ségransan; Christopher A. Watson; Lauren M. Weiss

doi:10.3847/1538-3881/aa832d

Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets

Jessie L. Christiansen, Andrew Vanderburg, Jennifer Burt, B. J. Fulton, Konstantin Batygin, Björn Benneke, John M. Brewer, David Charbonneau, David R. Ciardi, Andrew Collier Cameron, Jeffrey L. Coughlin, Ian J. M. Crossfield, Courtney Dressing, Thomas P. Greene, Andrew W. Howard, David W. Latham, Emilio Molinari, Annelies Mortier, Fergal Mullally, Francesco PepeKen Rice, Evan Sinukoff, Alessandro Sozzetti, Susan E. Thompson, Stéphane Udry, Steven S. Vogt, Travis S. Barman, Natasha E. Batalha, Francois Bouchy, Lars A. Buchhave, R. Paul Butler, Rosario Cosentino, Trent J. Dupuy, David Ehrenreich, Aldo Fiorenzano, Brad M. S. Hansen, Thomas Henning, Lea Hirsch, Bradford P. Holden, Howard T. Isaacson, John A. Johnson, Heather A. Knutson, Molly Kosiarek, Mercedes López-Morales, Christophe Lovis, Luca Malavolta, Michel Mayor, Giuseppina Micela, Fatemeh Motalebi, Erik Petigura, David F. Phillips, Giampaolo Piotto, Leslie A. Rogers, Dimitar Sasselov, Joshua E. Schlieder, Damien Ségransan, Christopher A. Watson, Lauren M. Weiss

Research output: Contribution to journal › Article › peer-review

Abstract

HD 3167 is a bright (V = 8.9), nearby K0 star observed by the NASA K2 mission (EPIC 220383386), hosting two small, short-period transiting planets. Here we present the results of a multi-site, multi-instrument radial velocity campaign to characterize the HD 3167 system. The masses of the transiting planets are 5.02±0.38 MEarth for HD 3167 b, a hot super-Earth with a likely rocky composition (ρ_b = 5.60+2.15-1.43g cm^-3), and 9.80+1.30-1.24 MEarth for HD 3167 c, a warm sub-Neptune with a likely substantial volatile complement (ρ_c = 1.97+0.94-0.59 g cm^-3). We explore the possibility of atmospheric composition analysis and determine that planet c is amenable to transmission spectroscopy measurements, and planet b is a potential thermal emission target. We detect a third, non-transiting planet, HD 3167 d, with a period of 8.509+/-0.045 d (between planets b and c) and a minimum mass of 6.90±0.71 MEarth. We are able to constrain the mutual inclination of planet d with planets b and c: we rule out mutual inclinations below 1.3 degrees as we do not observe transits of planet d. From 1.3-40 degrees, there are viewing geometries invoking special nodal configurations which result in planet d not transiting some fraction of the time. From 40-60 degrees, Kozai-Lidov oscillations increase the system's instability, but it can remain stable for up to 100Myr. Above 60 degrees, the system is unstable. HD 3167 promises to be a fruitful system for further study and a preview of the many exciting systems expected from the upcoming NASATESS mission.

Original language	English
Article number	122
Number of pages	17
Journal	Astronomical Journal
Volume	154
Issue number	3
DOIs	https://doi.org/10.3847/1538-3881/aa832d
Publication status	Published - 31 Aug 2017

Keywords

Eclipse
Stars: individual (HD 3167)
Techniques: photometric
Techniques: spectroscopic

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Cameron_2017_AJ_BrightHD3167_FinalPubVersion
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Christiansen, J. L., Vanderburg, A., Burt, J., Fulton, B. J., Batygin, K., Benneke, B., Brewer, J. M., Charbonneau, D., Ciardi, D. R., Collier Cameron, A., Coughlin, J. L., Crossfield, I. J. M., Dressing, C., Greene, T. P., Howard, A. W., Latham, D. W., Molinari, E., Mortier, A., Mullally, F., ... Weiss, L. M. (2017). Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets. Astronomical Journal, 154(3), Article 122. https://doi.org/10.3847/1538-3881/aa832d

@article{bf4bbc029eb047f980522d2247598537,

title = "Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets",

abstract = "HD 3167 is a bright (V = 8.9), nearby K0 star observed by the NASA K2 mission (EPIC 220383386), hosting two small, short-period transiting planets. Here we present the results of a multi-site, multi-instrument radial velocity campaign to characterize the HD 3167 system. The masses of the transiting planets are 5.02±0.38 MEarth for HD 3167 b, a hot super-Earth with a likely rocky composition (ρb = 5.60+2.15-1.43g cm-3), and 9.80+1.30-1.24 MEarth for HD 3167 c, a warm sub-Neptune with a likely substantial volatile complement (ρc = 1.97+0.94-0.59 g cm-3). We explore the possibility of atmospheric composition analysis and determine that planet c is amenable to transmission spectroscopy measurements, and planet b is a potential thermal emission target. We detect a third, non-transiting planet, HD 3167 d, with a period of 8.509+/-0.045 d (between planets b and c) and a minimum mass of 6.90±0.71 MEarth. We are able to constrain the mutual inclination of planet d with planets b and c: we rule out mutual inclinations below 1.3 degrees as we do not observe transits of planet d. From 1.3-40 degrees, there are viewing geometries invoking special nodal configurations which result in planet d not transiting some fraction of the time. From 40-60 degrees, Kozai-Lidov oscillations increase the system's instability, but it can remain stable for up to 100Myr. Above 60 degrees, the system is unstable. HD 3167 promises to be a fruitful system for further study and a preview of the many exciting systems expected from the upcoming NASATESS mission.",

keywords = "Eclipse, Stars: individual (HD 3167), Techniques: photometric, Techniques: spectroscopic",

author = "Christiansen, {Jessie L.} and Andrew Vanderburg and Jennifer Burt and Fulton, {B. J.} and Konstantin Batygin and Bj{\"o}rn Benneke and Brewer, {John M.} and David Charbonneau and Ciardi, {David R.} and {Collier Cameron}, Andrew and Coughlin, {Jeffrey L.} and Crossfield, {Ian J. M.} and Courtney Dressing and Greene, {Thomas P.} and Howard, {Andrew W.} and Latham, {David W.} and Emilio Molinari and Annelies Mortier and Fergal Mullally and Francesco Pepe and Ken Rice and Evan Sinukoff and Alessandro Sozzetti and Thompson, {Susan E.} and St{\'e}phane Udry and Vogt, {Steven S.} and Barman, {Travis S.} and Batalha, {Natasha E.} and Francois Bouchy and Buchhave, {Lars A.} and Butler, {R. Paul} and Rosario Cosentino and Dupuy, {Trent J.} and David Ehrenreich and Aldo Fiorenzano and Hansen, {Brad M. S.} and Thomas Henning and Lea Hirsch and Holden, {Bradford P.} and Isaacson, {Howard T.} and Johnson, {John A.} and Knutson, {Heather A.} and Molly Kosiarek and Mercedes L{\'o}pez-Morales and Christophe Lovis and Luca Malavolta and Michel Mayor and Giuseppina Micela and Fatemeh Motalebi and Erik Petigura and Phillips, {David F.} and Giampaolo Piotto and Rogers, {Leslie A.} and Dimitar Sasselov and Schlieder, {Joshua E.} and Damien S{\'e}gransan and Watson, {Christopher A.} and Weiss, {Lauren M.}",

year = "2017",

month = aug,

day = "31",

doi = "10.3847/1538-3881/aa832d",

language = "English",

volume = "154",

journal = "Astronomical Journal",

issn = "0004-6256",

publisher = "American Astronomical Society",

number = "3",

}

Christiansen, JL, Vanderburg, A, Burt, J, Fulton, BJ, Batygin, K, Benneke, B, Brewer, JM, Charbonneau, D, Ciardi, DR, Collier Cameron, A, Coughlin, JL, Crossfield, IJM, Dressing, C, Greene, TP, Howard, AW, Latham, DW, Molinari, E, Mortier, A, Mullally, F, Pepe, F, Rice, K, Sinukoff, E, Sozzetti, A, Thompson, SE, Udry, S, Vogt, SS, Barman, TS, Batalha, NE, Bouchy, F, Buchhave, LA, Butler, RP, Cosentino, R, Dupuy, TJ, Ehrenreich, D, Fiorenzano, A, Hansen, BMS, Henning, T, Hirsch, L, Holden, BP, Isaacson, HT, Johnson, JA, Knutson, HA, Kosiarek, M, López-Morales, M, Lovis, C, Malavolta, L, Mayor, M, Micela, G, Motalebi, F, Petigura, E, Phillips, DF, Piotto, G, Rogers, LA, Sasselov, D, Schlieder, JE, Ségransan, D, Watson, CA & Weiss, LM 2017, 'Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets', Astronomical Journal, vol. 154, no. 3, 122. https://doi.org/10.3847/1538-3881/aa832d

TY - JOUR

T1 - Three's company

T2 - an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets

AU - Christiansen, Jessie L.

AU - Vanderburg, Andrew

AU - Burt, Jennifer

AU - Fulton, B. J.

AU - Batygin, Konstantin

AU - Benneke, Björn

AU - Brewer, John M.

AU - Charbonneau, David

AU - Ciardi, David R.

AU - Collier Cameron, Andrew

AU - Coughlin, Jeffrey L.

AU - Crossfield, Ian J. M.

AU - Dressing, Courtney

AU - Greene, Thomas P.

AU - Howard, Andrew W.

AU - Latham, David W.

AU - Molinari, Emilio

AU - Mortier, Annelies

AU - Mullally, Fergal

AU - Pepe, Francesco

AU - Rice, Ken

AU - Sinukoff, Evan

AU - Sozzetti, Alessandro

AU - Thompson, Susan E.

AU - Udry, Stéphane

AU - Vogt, Steven S.

AU - Barman, Travis S.

AU - Batalha, Natasha E.

AU - Bouchy, Francois

AU - Buchhave, Lars A.

AU - Butler, R. Paul

AU - Cosentino, Rosario

AU - Dupuy, Trent J.

AU - Ehrenreich, David

AU - Fiorenzano, Aldo

AU - Hansen, Brad M. S.

AU - Henning, Thomas

AU - Hirsch, Lea

AU - Holden, Bradford P.

AU - Isaacson, Howard T.

AU - Johnson, John A.

AU - Knutson, Heather A.

AU - Kosiarek, Molly

AU - López-Morales, Mercedes

AU - Lovis, Christophe

AU - Malavolta, Luca

AU - Mayor, Michel

AU - Micela, Giuseppina

AU - Motalebi, Fatemeh

AU - Petigura, Erik

AU - Phillips, David F.

AU - Piotto, Giampaolo

AU - Rogers, Leslie A.

AU - Sasselov, Dimitar

AU - Schlieder, Joshua E.

AU - Ségransan, Damien

AU - Watson, Christopher A.

AU - Weiss, Lauren M.

PY - 2017/8/31

Y1 - 2017/8/31

N2 - HD 3167 is a bright (V = 8.9), nearby K0 star observed by the NASA K2 mission (EPIC 220383386), hosting two small, short-period transiting planets. Here we present the results of a multi-site, multi-instrument radial velocity campaign to characterize the HD 3167 system. The masses of the transiting planets are 5.02±0.38 MEarth for HD 3167 b, a hot super-Earth with a likely rocky composition (ρb = 5.60+2.15-1.43g cm-3), and 9.80+1.30-1.24 MEarth for HD 3167 c, a warm sub-Neptune with a likely substantial volatile complement (ρc = 1.97+0.94-0.59 g cm-3). We explore the possibility of atmospheric composition analysis and determine that planet c is amenable to transmission spectroscopy measurements, and planet b is a potential thermal emission target. We detect a third, non-transiting planet, HD 3167 d, with a period of 8.509+/-0.045 d (between planets b and c) and a minimum mass of 6.90±0.71 MEarth. We are able to constrain the mutual inclination of planet d with planets b and c: we rule out mutual inclinations below 1.3 degrees as we do not observe transits of planet d. From 1.3-40 degrees, there are viewing geometries invoking special nodal configurations which result in planet d not transiting some fraction of the time. From 40-60 degrees, Kozai-Lidov oscillations increase the system's instability, but it can remain stable for up to 100Myr. Above 60 degrees, the system is unstable. HD 3167 promises to be a fruitful system for further study and a preview of the many exciting systems expected from the upcoming NASATESS mission.

AB - HD 3167 is a bright (V = 8.9), nearby K0 star observed by the NASA K2 mission (EPIC 220383386), hosting two small, short-period transiting planets. Here we present the results of a multi-site, multi-instrument radial velocity campaign to characterize the HD 3167 system. The masses of the transiting planets are 5.02±0.38 MEarth for HD 3167 b, a hot super-Earth with a likely rocky composition (ρb = 5.60+2.15-1.43g cm-3), and 9.80+1.30-1.24 MEarth for HD 3167 c, a warm sub-Neptune with a likely substantial volatile complement (ρc = 1.97+0.94-0.59 g cm-3). We explore the possibility of atmospheric composition analysis and determine that planet c is amenable to transmission spectroscopy measurements, and planet b is a potential thermal emission target. We detect a third, non-transiting planet, HD 3167 d, with a period of 8.509+/-0.045 d (between planets b and c) and a minimum mass of 6.90±0.71 MEarth. We are able to constrain the mutual inclination of planet d with planets b and c: we rule out mutual inclinations below 1.3 degrees as we do not observe transits of planet d. From 1.3-40 degrees, there are viewing geometries invoking special nodal configurations which result in planet d not transiting some fraction of the time. From 40-60 degrees, Kozai-Lidov oscillations increase the system's instability, but it can remain stable for up to 100Myr. Above 60 degrees, the system is unstable. HD 3167 promises to be a fruitful system for further study and a preview of the many exciting systems expected from the upcoming NASATESS mission.

KW - Eclipse

KW - Stars: individual (HD 3167)

KW - Techniques: photometric

KW - Techniques: spectroscopic

UR - http://adsabs.harvard.edu/abs/2017arXiv170601892C

U2 - 10.3847/1538-3881/aa832d

DO - 10.3847/1538-3881/aa832d

M3 - Article

SN - 0004-6256

VL - 154

JO - Astronomical Journal

JF - Astronomical Journal

IS - 3

M1 - 122

ER -

Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets

Abstract

Keywords

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Astronomy at St Andrews 2015-2018: Astronomy at St Andrews 2015-2018

EU FP7 Space ETAEARTH: ETAEARTH

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Three's company: an additional non-transiting super-Earth in the bright HD 3167 system, and masses for all three planets

Abstract

Keywords

Access to Document

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Fingerprint

Projects

Astronomy at St Andrews 2015-2018: Astronomy at St Andrews 2015-2018

EU FP7 Space ETAEARTH: ETAEARTH

Cite this