HD 28678 Overview

HD 28678 5.80 R_⦿ 4947.62 K

HD 28678 b

Overview Parameters Ancillary 1 Nearby Data Bibliography 14 Legend Expand All

HD 28678 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 28678
HD 28678 b	380.2 d	> 490.09 M_⨁	Radial Velocity	2011	Johnson et al. 2011	Confirmed Planet

HD 28678 Stellar Parameters (9 Solutions)

RA: 04h31m25.46s

Dec: +04d34m30.90s

Distance: 189.9080±2.3275 pc

Parallax: 5.2379100±0.0640373 mas

Ecliptic Latitude: -17.10219 deg

Ecliptic Longitude: 66.84758 deg

Galactic Latitude: -28.19798 deg

Galactic Longitude: 190.82146 deg

Total Proper Motion: 10.5412442±0.0570694 mas/yr

Proper Motion (RA): 1.214040±0.105183 mas/yr

Proper Motion (Dec): -10.4711000±0.0561425 mas/yr

Photometry: m_V
8.38±0.03; m_TESS
7.39949±0.00610; m_J
6.447±0.024; m_H
5.942±0.053; m_Ks
5.775±0.023; m_W1
5.723±0.153; m_W2
5.656±0.046; m_W3
5.738±0.014; m_W4
5.643±0.047; m_Gaia
8.054690±0.000336; m_B
9.413±0.006

Abundances (Hypatia Catalog): [Fe/H] -0.02±0.06 dex; [C/H] -0.33±0.09 dex; [O/H] -0.20±0.09 dex; [Na/H] -0.18±0.16 dex; [Mg/H] -0.11±0.08 dex; [Al/H] -0.20±0.10 dex; [Si/H] -0.20±0.12 dex; [Ca/H] -0.06±0.02 dex; [Y/H] 0.26±0.08 dex; [BaII/H] 0.14±0.19 dex

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	TICv8	Luhn et al. 2019	Gaia DR2	Stassun et al. 2017	Jofré et al. 2015	Mortier et al. 2013	Johnson et al. 2011	Michigan Catalog, Vol. 5	Cannon & Pickering 1918
T_eff (K)	4972.0±25.0	4972	4947.615+123.385-141.422	4722±100	5071±37	5052±29	5076±44	---	---
L_✶ (log₁₀(L_⦿))	---	---	1.2598032+0.0068334-0.0069427	---	1.20±0.23	---	1.36+0.01-0.01	---	---
γ (km/s)	---	---	61.774256914076162±0.132680657175140	---	---	---	---	---	---
R_✶ (R_⦿)	6.86253	6.48	5.804468+0.346618-0.279025	6.98±0.46	3.71±0.91	---	6.2±0.1	---	---
M_✶ (M_⦿)	---	1.53	---	3.16±0.51	1.41±0.19	2.03±0.20	1.74±0.12	---	---
log g (log₁₀(cm/s²))	---	3.06	---	3.25±0.04	3.25±0.04	3.07±0.09	3.30±0.06	---	---
Metallicity (dex)	-0.1±0.1 [M/H]	---	---	-0.16 [Fe/H]	0.16±0.06 [Fe/H]	-0.21±0.02 [Fe/H]	-0.11±0.03 [Fe/H]	---	---
v sin i (km/s)	---	---	---	---	1.98±0.48	---	2.97±0.50	---	---
Age (Gyr)	---	---	---	---	2.88±1.24	---	1.8±0.7	---	---
Sp. T	---	---	---	---	---	---	---	G8 IV	K0

HD 28678 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Luhn et al. 2019	Stassun et al. 2017	Johnson et al. 2011
M_p sin i (M_⨁)	490.1±23.2	810±102	540.3±31.8
M_p sin i (M_Jup)	1.542±0.073	2.55±0.32	1.7±0.1
e	0.149±0.047	0.17±0.07	0.168±0.070
P (days)	380.2±1.6	387.10001±3.40000	387.1±3.4
K (m/s)	32.9±1.4	33.5±2.2	33.5±2.2
a (au)	1.18±0.20	1.32±0.04	1.25±0.03
T_p (days)	2455513±18 (JD)	---	2455517±30
ω (deg)	128±19	---	126±30

Ancillary Information (1 Unique File)

+ HD 28678 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	60	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 Associated Literature Data

Bibliography (14 References)

The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Luhn et al. 2019 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 Reference Overview
Stellar parameters and chemical abundances of 223 evolved stars with and without planets
Jofré et al. 2015 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
New and updated stellar parameters for 71 evolved planet hosts. On the metallicity-giant planet connection
Mortier et al. 2013 Reference Overview
Retired A Stars and Their Companions. VII. 18 New Jovian Planets
Johnson et al. 2011 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 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

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
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Transit Prediction Service
Time Series
Kepler | K2

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