HD 3167

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 3167
HD 3167 b	0.96 d	1.67 R_⨁	Transit	2016	Vanderburg et al. 2016	Confirmed Planet
HD 3167 d	8.41 d	> 4.33 M_⨁	Radial Velocity	2017	Christiansen et al. 2017	Confirmed Planet
HD 3167 c	29.85 d	3 R_⨁	Transit	2016	Vanderburg et al. 2016	Confirmed Planet
HD 3167 e	96.63 d	> 8.41 M_⨁	Radial Velocity	2022	Bourrier et al. 2022	Confirmed Planet

Exoplanet Archive Notes (2)

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HD 3167

Multiple stellar densities are derived in ref. (Livingston et al. 2018)
Values for stellar and planet parameters drawn from Table 2, RM fit model in ref. (Dalal et al. 2019)

HD 3167 Stellar Parameters (17 Solutions)

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RA: 00h34m57.64s

Dec: +04d22m50.60s

Distance: 47.2899+0.1485-0.1475
pc

Parallax: 21.117500±0.065682 mas

Ecliptic Latitude: .56228 deg

Ecliptic Longitude: 9.74901 deg

Galactic Latitude: -58.2406 deg

Galactic Longitude: 115.11108 deg

Total Proper Motion: 203.8802519±0.0937291 mas/yr

Proper Motion (RA): 107.409000±0.127388 mas/yr

Proper Motion (Dec): -173.2930000±0.0769802 mas/yr

Photometry: m_V
8.97±0.03; m_TESS
8.2491±0.0060; m_J
7.548±0.032; m_H
7.203±0.038; m_Ks
7.066±0.020; m_Kep
8.945; m_W1
6.942±0.053; m_W2
7.09±0.02; m_W3
7.054±0.018; m_W4
7.065±0.144; m_Gaia
8.762210±0.000265; m_B
9.767±0.031

Abundances (Hypatia Catalog): [Fe/H] 0.05±0.07 dex; [C/H] 0.05±0.09 dex; [O/H] -0.05±0.09 dex; [Mg/H] 0.22±0.07 dex

Mission: K2 : Observed in Campaign 8

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	Howard et al. 2025	Bonomo et al. 2023	Bourrier et al. 2022	Bourrier et al. 2021	Adams et al. 2021	Dalal et al. 2019	TICv8	Dai et al. 2019	Livingston et al. 2018	Gaia DR2	Mayo et al. 2018	Christiansen et al. 2017	Gandolfi et al. 2017	Vanderburg et al. 2016	Michigan Catalog, Vol. 5	Cannon & Pickering 1918	Petigura et al. 2018
T_eff (K)	5261.0±60.0	5261±60	5300±73	---	5438±63	---	5284.0000+177.9500-68.0221	5261±60	5528±162	5292.0+141.0-63.0	5366.0±50.0	5261±60	5286±40	5370±50	---	---	---
Metallicity (dex)	0.04±0.05 [Fe/H]	0.04±0.05 [Fe/H]	0.037±0.048 [Fe/H]	---	-0.10±0.10 [Fe/H]	---	---	0.04±0.05 [Fe/H]	-0.020±0.170 [Fe/H]	---	-0.01±0.08 [Fe/H]	0.04±0.05 [Fe/H]	0.03±0.03 [Fe/H]	0.0±0.1 [Fe/H]	---	---	---
γ (km/s)	---	---	---	---	---	19.5310+0.0003-0.0002	---	---	---	19.281725244062756±0.318524117882608	---	---	---	19.5±0.1	---	---	---
v sin i (km/s)	1.17±1.10	---	---	2.41±0.37	---	2.8+1.9-1.3	---	---	---	---	---	1.7±1.1	1.8±0.4	<2	---	---	---
M_✶ (M_⦿)	0.866±0.033	0.837+0.053-0.043	0.852+0.026-0.015	---	---	---	0.9100000+0.1135690-0.1032310	0.837+0.053-0.043	0.94±0.04	---	0.890320 +0.026220-0.028959	0.86±0.03	0.877±0.024	0.883±0.033	---	---	---
R_✶ (R_⦿)	0.872±0.057	0.880+0.012-0.013	0.871±0.006	---	0.83±0.03	---	0.8819690+0.0629377-0.0370724	0.880+0.012-0.013	0.87±0.01	0.8801563+0.0213363-0.0450918	0.836616 +0.047623-0.026769	0.86±0.04	0.835±0.026	0.828±0.028	---	---	0.88
log g (log₁₀(cm/s²))	4.47±0.05	---	4.47±0.12	---	4.6±0.1	---	4.5062000+0.0682330-0.0955206	4.47±0.05	4.53±0.02	---	4.54±0.1	4.47±0.05	4.51±0.03	4.52±0.03	---	---	---
ρ_✶ (g/cm³)	---	---	1.817±0.058	---	---	---	1.8700218+0.3477421-0.5071089	1.73+0.18-0.14	---	---	---	1.902±0.092	---	---	---	---	---
Sp. T	---	---	---	---	---	---	---	---	---	---	---	K0 V	---	---	K0 V	K0	---
L_✶ (log₁₀(L_⦿))	---	---	-0.270+0.024-0.026	---	---	---	-0.2625472+0.0104609-0.0103288	---	---	-0.26170637+0.00174243-0.00174941	---	---	---	---	---	---	---
Age (Gyr)	---	7.80±4.30	10.2+1.8-2.4	---	---	---	---	---	---	---	---	---	5±4	---	---	---	---
P_rot (days)	---	---	---	---	---	---	---	---	---	---	---	---	23.52±2.87	---	---	---	---
CAII LOG RHK	-5.04	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---

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HD 3167 b Planetary Parameters (12 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Bonomo et al. 2023	Howard et al. 2025	Bourrier et al. 2022	Bourrier et al. 2021	Adams et al. 2021	Dai et al. 2019	Livingston et al. 2018	Mayo et al. 2018	Christiansen et al. 2017	Gandolfi et al. 2017	Vanderburg et al. 2016	Petigura et al. 2018
a/R_✶	---	---	4.450+0.053-0.055	---	4.7+0.2-0.7	---	4.18+0.33-0.76	4.099036 +0.393767-1.034814	4.082+0.464-0.986	4.516+0.076-0.085	4.560+0.079-0.110	---
T_eq (K)	1774±29	1608.0±56.0	1777±27	---	---	---	1669±52	---	---	1759±20	1860±160	---
b	---	---	0.181+0.141-0.123	---	---	---	0.39+0.28-0.27	---	0.47+0.31-0.32	0.11+0.11-0.08	0.131±0.098	0.49±0.33
i (deg)	83.4+4.6-7.7	---	87.59+1.63-1.75	---	90.2+7.0-6.0	---	---	83.833621 +4.391545-8.160970	83.4+4.6-7.7	88.6+1.0-1.4	88.4+1.1-1.5	---
P (days)	0.959641±0.000011	0.959641+0.000012-0.000011	0.95965428+0.00000030-0.00000029	---	0.959622±0.000044	0.960	0.959624±0.000028	0.959665 +0.000020-0.000021	0.959641+0.000011-0.000012	0.959632±0.000015	0.959628±0.000012	0.959628 +0.000032-0.000031
R_p (R_⨁)	1.670+0.170-0.100	1.70+0.15-0.18	1.627+0.083-0.058	---	1.60+0.09-0.08	1.626+0.048-0.054	1.70±0.08	1.62377492475 +0.170616413781-0.0801757032143	1.70+0.18-0.15	1.574±0.054	1.557±0.057	1.8 +0.2-0.1
R_p (R_Jup)	0.1490+0.0152-0.0089	0.152+0.013-0.016	0.1452+0.0074-0.0052	---	0.143+0.008-0.007	0.1451+0.0043-0.0048	0.152±0.007	0.1448634958 +0.0152213769-0.0071527971	0.152+0.016-0.013	0.1404±0.0048	0.1389±0.0051	0.16 +0.02-0.01
R_p/R_✶	---	---	0.01712+0.00086-0.00059	---	0.01710+0.00092-0.00042	0.01692+0.00045-0.00050	0.0179+0.0010-0.0005	0.017794 +0.001572-0.000669	0.01744+0.00170-0.00089	0.01728±0.00025	0.01725±0.00023	0.0183 +0.0022-0.0009
T₁₄ (hours)	---	---	1.6090+0.0172-0.0144	---	---	---	---	---	1.622+0.060-0.074	1.65±0.03	1.650±0.029	1.64880+0.05040-0.07920
T_C (days)	2457394.37454±0.00043 (BJD-TDB)	2457394.37454±0.00043 (BJD)	2458269.57891+0.00026-0.00024 (BJD-TDB)	---	2457410.69248+0.00100-0.00091 (HJD)	---	2457393.41539+0.00130-0.00135 (BJD)	2457394.37357 +0.000972-0.000950	2457394.37454±0.00043 (BJD-TDB)	2457394.37442+0.00060-0.00055 (BJD-TDB)	2457394.37450±0.00044 (BJD)	2457393.41498 +0.001477-0.001403 (BJD)
λ (deg)	---	---	---	-6.60+6.60-7.90	---	---	---	---	---	---	---	---
ψ (deg)	---	---	---	29.5+7.2-9.4	---	---	---	---	---	---	---	---
S (S_⨁)	1650±110	1625.0+222.0-244.0	---	---	---	---	---	---	1625+244-222	---	---	---
M_p (M_⨁)	4.97+0.24-0.23	5.02±0.38	4.73+0.28-0.29	---	---	5.59+0.98-0.96	---	---	5.02±0.38	5.69±0.44	---	---
M_p (M_Jup)	0.0156+0.0008-0.0007	0.0158±0.0012	0.0149+0.0009-0.0009	---	---	0.0176+0.0031-0.0030	---	---	0.0158±0.0012	0.0179±0.0014	---	---
e	0	---	<0.10	---	---	---	---	---	0	0	---	---
ρ (g/cm³)	5.6+1.2-1.3	5.60+1.43-2.15	5.50+0.52-0.49	---	---	7.2±1.9	---	---	5.60+2.15-1.43	8.00+1.10-0.98	---	---
K (m/s)	3.56±0.15	---	3.425+0.176-0.185	---	---	4.08+0.70-0.69	---	---	3.58+0.25-0.26	4.02±0.31	---	---
a (au)	0.01796+0.00037-0.00031	---	0.01802±0.00025	---	---	---	0.0186±0.0003	---	0.01815±0.00023	0.01752±0.00063	---	---
δ (%)	---	---	---	---	---	---	---	---	0.0294	---	---	---

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HD 3167 d Planetary Parameters (4 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems; K2 Names; K2 Planets and Candidates

Source	Bonomo et al. 2023	Howard et al. 2025	Bourrier et al. 2022	Christiansen et al. 2017
M_p sin i (M_⨁)	4.33±0.45	6.90±0.71	5.03±0.50	6.90±0.71
M_p sin i (M_Jup)	0.0136±0.0014	0.0217±0.0022	0.0158±0.0016	0.0217±0.0022
e	<0.12	---	<0.44	<0.36
P (days)	8.4112±0.0052	8.509±0.045	8.4783±0.0025	8.509±0.045
K (m/s)	1.55±0.15	---	1.793+0.165-0.167	2.39±0.24
a (au)	0.0763±0.0015	---	0.07703+0.00106-0.00108	0.07757±0.00027
T_C (days)	2457745.37±0.18 (BJD-TDB)	2457806.07+0.50-0.52 (BJD)	2457797.16±0.21 (BJD-TDB)	2457806.07+0.52-0.50 (BJD-TDB)
S (S_⨁)	---	88.9±6.2	---	88.9±6.2
a/R_✶	---	---	19.02±0.23	---
T_eq (K)	---	776.0±28.0	859.5+13.0-12.9	---

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HD 3167 c Planetary Parameters (12 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit; Atmospheric Spectroscopy

Source	Bonomo et al. 2023	Howard et al. 2025	Bourrier et al. 2022	Bourrier et al. 2021	Adams et al. 2021	Dalal et al. 2019	Livingston et al. 2018	Mayo et al. 2018	Christiansen et al. 2017	Gandolfi et al. 2017	Vanderburg et al. 2016	Petigura et al. 2018
a/R_✶	---	---	44.01+0.52-0.54	---	39+2-6	43.3+3.5-16.0	42.19+4.83-14.75	42.308223 +5.545494-11.069943	40.323+5.549-12.622	46.5±1.5	42.2+6.7-13.0	---
T_eq (K)	564±9	511.0±18.0	565.0+8.6-8.5	---	---	---	531±17	---	---	548±10	500±40	---
b	---	---	0.451+0.078-0.120	---	---	---	0.46+0.36-0.32	---	0.50+0.31-0.33	0.30+0.11-0.18	0.54±0.26	0.63 +0.27-0.42
i (deg)	89.30+0.50-1.00	---	89.421+0.130-0.071	---	90.0+0.9-0.8	89.5+0.3-1.2	---	89.329516 +0.489976-0.742793	89.30+0.50-0.96	89.6±0.2	89.27+0.51-0.85	---
P (days)	29.8454±0.0012	29.8454±0.0012	29.8464948+0.0000157-0.0000154	---	29.875221±0.000400	---	29.838320+0.002905-0.003199	29.844982 +0.001437-0.001389	29.8454±0.0012	29.84622+0.00098-0.00091	29.8454±0.0012	29.839835 +0.002597-0.002645
R_p (R_⨁)	3.00+0.45-0.21	3.01+0.28-0.42	2.923+0.098-0.109	---	2.3+0.2-0.1	---	2.86±0.22	2.83066163528 +0.307807206361-0.144770733974	3.01+0.42-0.28	2.740+0.106-0.100	2.85+0.24-0.15	3.0 +0.5-0.3
R_p (R_Jup)	0.268+0.040-0.019	0.269+0.025-0.037	0.2608+0.0087-0.0097	---	0.21+0.02-0.01	---	0.255±0.020	0.2525347163 +0.0274607196-0.0129155798	0.269+0.037-0.025	0.2444+0.0095-0.0089	0.254+0.021-0.013	0.27 +0.04-0.03
R_p/R_✶	---	---	0.03075+0.00103-0.00112	---	0.02510+0.00170-0.00087	---	0.0300+0.0034-0.0011	0.031019 +0.002874-0.001238	0.0313+0.0045-0.0018	0.03006+0.00065-0.00055	0.0314+0.0028-0.0011	0.0312 +0.0051-0.0024
T₁₄ (hours)	---	---	4.869+0.026-0.025	---	---	---	---	---	5.15+0.26-0.19	4.81+0.17-0.09	4.81+0.20-0.11	5.05920+0.48960-0.17040
T_C (days)	2457394.9788±0.0012 (BJD-TDB)	2457394.9788±0.0012 (BJD)	2458439.605096+0.000149-0.000147 (BJD-TDB)	---	2457454.69902+0.00380-0.00330 (HJD)	---	2457394.98984+0.00367-0.00326 (BJD)	2457394.97955 +0.001553-0.001581	2457394.9788±0.0012 (BJD-TDB)	2457394.97831±0.00085 (BJD-TDB)	2457394.9788±0.0012 (BJD)	2457394.98867 +0.003194-0.003201 (BJD)
λ (deg)	---	---	---	-108.9+5.4-5.5	---	-97±23	---	---	---	---	---	---
ψ (deg)	---	---	---	107.7+5.1-4.9	---	---	---	---	---	---	---	---
S (S_⨁)	16.9±1.1	16.6+2.5-2.3	---	---	---	---	---	---	16.6+2.5-2.3	---	---	---
M_p (M_⨁)	11.13+0.78-0.74	9.800+1.240-1.300	10.67+0.85-0.81	---	---	---	---	---	9.800+1.300-1.240	8.330+1.790-1.850	---	---
M_p (M_Jup)	0.03502+0.00245-0.00233	0.03083+0.00390-0.00409	0.03357+0.00267-0.00255	---	---	---	---	---	0.03083+0.00409-0.00390	0.02621+0.00563-0.00582	---	---
e	<0.060	---	<0.15	---	---	---	---	---	<0.267	0.050+0.070-0.040	---	---
ρ (g/cm³)	2.11+0.51-0.69	1.97+0.59-0.94	2.35+0.23-0.21	---	---	---	---	---	1.97+0.94-0.59	2.21+0.56-0.53	---	---
K (m/s)	2.58±0.15	---	2.461+0.180-0.174	---	---	---	---	---	2.23+0.29-0.28	1.88+0.40-0.42	---	---
a (au)	0.1776+0.0037-0.0031	---	0.1783±0.0025	---	---	---	0.1841+0.0027-0.0028	---	0.1795±0.0023	0.1806±0.0080	---	---
δ (%)	---	---	---	---	---	---	---	---	0.0946	---	---	---
ω (deg)	---	---	---	---	---	---	---	---	---	178+134-136	---	---

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HD 3167 e Planetary Parameters (2 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems; K2 Names; K2 Planets and Candidates

Source	Bonomo et al. 2023	Bourrier et al. 2022
M_p sin i (M_⨁)	8.41±1.02	9.740+1.200-1.150
M_p sin i (M_Jup)	0.0265±0.0032	0.03065+0.00378-0.00362
e	<0.15	<0.60
P (days)	96.630±0.292	102.09+0.52-0.50
K (m/s)	1.33±0.16	1.536+0.186-0.180
a (au)	0.3885±0.0079	0.4048+0.0077-0.0074
T_C (days)	2457738.43±2.67 (BJD-TDB)	2457643.6+4.0-5.3 (BJD-TDB)
a/R_✶	---	99.930+1.650-1.590
T_eq (K)	---	374.8+7.1-7.3

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Ancillary Information (1 Unique File)

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+ HD 3167 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	123	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 4 Confirmed Planets; 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 K2 Time Series; 4 Associated Literature Data

Bibliography (25 References)

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Planet Masses, Radii, and Orbits from NASA's K2 Mission
Howard et al. 2025 Reference Overview
Cold Jupiters and improved masses in 38 Kepler and K2 small planet systems from 3661 HARPS-N radial velocities. No excess of cold Jupiters in small planet systems
Bonomo et al. 2023 Reference Overview
A CHEOPS-enhanced view of the HD 3167 system
Bourrier et al. 2022 Reference Overview
The Rossiter-McLaughlin effect revolutions: an ultra-short period planet and a warm mini-Neptune on perpendicular orbits
Bourrier et al. 2021 Reference Overview
Ultra-short-period Planets in K2. III. Neighbors are Common with 13 New Multiplanet Systems and 10 Newly Validated Planets in Campaigns 0-8 and 10
Adams et al. 2021 Reference Overview
Transmission Spectroscopy for the Warm Sub-Neptune HD 3167c: Evidence for Molecular Absorption and a Possible High-metallicity Atmosphere
Mikal-Evans et al. 2021 Reference Overview
ARES IV: Probing the Atmospheres of the Two Warm Small Planets HD 106315c and HD 3167c with the HST/WFC3 Camera
Guilluy et al. 2021 Reference Overview
Nearly polar orbit of the sub-Neptune HD 3167 c. Constraints on the dynamical history of a multi-planet system
Dalal et al. 2019 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions
Dai et al. 2019 Reference Overview
Sixty Validated Planets from K2 Campaigns 5-8
Livingston et al. 2018 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 Reference Overview
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview
Three’s Company: An Additional Non-transiting Super-Earth in the Bright HD 3167 System, and Masses for All Three Planets
Christiansen et al. 2017 Reference Overview
The Transiting Multi-planet System HD 3167: A 5.7 M _⊕ Super-Earth and an 8.3 M _⊕ Mini-Neptune
Gandolfi et al. 2017 Reference Overview
Two Small Planets Transiting HD 3167
Vanderburg et al. 2016 Reference Overview
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 5
Michigan Catalog, Vol. 5 Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview

Legend

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System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
Search
Browse
Download

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/HD_3167.json

Catalog Parameters

RA

ra

00h34m57.64s

Dec

dec

+04d22m50.60s

β

elat

.56228

λ

elon

9.74901

b

glat

-58.2406

l

glon

115.11108

m_V

sy_vmag

8.97±0.03

m_TESS

sy_tmag

8.2491±0.0060

m_J

sy_jmag

7.548±0.032

m_H

sy_hmag

7.203±0.038

m_Ks

sy_kmag

7.066±0.020

m_Kep

sy_kepmag

8.945

m_W1

sy_w1mag

6.942±0.053

m_W2

sy_w2mag

7.09±0.02

m_W3

sy_w3mag

7.054±0.018

m_W4

sy_w4mag

7.065±0.144

sy_icmag

no_data

m_Gaia

sy_gaiamag

8.762210±0.000265

m_B

sy_bmag

9.767±0.031

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

203.8802519±0.0937291

μ_δ

sy_pmdec

-173.2930000±0.0769802

μ_α

sy_pmra

107.409000±0.127388

π

sy_plx

21.117500±0.065682

Distance

sy_dist

47.2899+0.1485-0.1475

Set Parameters

R_✶

st_rad

0.828±0.028

T_eff

st_teff

5370±50

HD 3167 Overview

HD 3167 Architecture & Discovery Information

HD 3167