HD 145457 Overview

HD 145457 9.90 R_⦿ 4757.00 K

HD 145457 b

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 145457
HD 145457 b	176.13 d	> 888.01 M_⨁	Radial Velocity	2010	Sato et al. 2010	Confirmed Planet

Photometry: m_V
6.57226±0.02300; m_TESS
5.66538±0.00620; m_J
5.000±0.228; m_H
4.418±0.200; m_Ks
4.122±0.042; m_W1
4.141±0.276; m_W2
3.859±0.140; m_W3
4.091±0.016; m_W4
4.046±0.022; m_Gaia
6.2830900±0.0003266; m_B
7.607±0.017

Abundances (Hypatia Catalog): [Fe/H] -0.20±0.06 dex; [C/H] -0.01±0.09 dex; [O/H] -0.05±0.09 dex; [Na/H] -0.06±0.06 dex; [Mg/H] -0.02±0.11 dex; [Al/H] -0.02±0.10 dex; [Si/H] -0.01±0.06 dex; [Ca/H] -0.13±0.16 dex; [Y/H] -0.28±0.08 dex

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

Source	TICv8	Gaia DR2	Stassun et al. 2017	Sousa et al. 2015	Kunitomo et al. 2011	Sato et al. 2010	Cannon & Pickering 1918
T_eff (K)	4807.1900±17.9754	4738.00+94.76-28.00	4769±27	4829±41	---	4757±100	---
L_✶ (log₁₀(L_⦿))	---	1.6986840+0.0023143-0.0023267	---	---	---	1.66+0.07-0.09	---
Metallicity (dex)	-0.1600000±0.0212132 [M/H]	---	-0.25 [Fe/H]	-0.13±0.03 [Fe/H]	---	-0.14±0.09 [Fe/H]	---
M_✶ (M_⦿)	---	---	1.23±0.34	1.526±0.294	1.0 +0.4-0.1	1.9±0.3	---
R_✶ (R_⦿)	10.2052	10.490702+0.125100-0.407366	10.52±0.41	9.483±0.907	---	9.90±0.50	---
log g (log₁₀(cm/s²))	---	---	2.48±0.11	2.67±0.10	---	2.77±0.10	---
Age (Gyr)	---	---	---	2.605±1.608	---	---	---
γ (km/s)	---	-3.1493966110303724±0.1312818815692277	---	---	---	---	---
Sp. T	---	---	---	---	---	---	K0

Source	Teng et al. 2023	Stassun et al. 2017	Kunitomo et al. 2011	Sato et al. 2010
T_p (days)	2453347.1+19.7-10.2 (JD)	---	---	2453518.0±13.0
ω (deg)	-48.6+29.6-28.1	---	---	300.0±26.0
M_p sin i (M_⨁)	888.0+42.0-37.2	709±133	600.7 +158.9-31.8	921.668
M_p sin i (M_Jup)	2.794+0.132-0.117	2.23±0.42	1.89 +0.5-0.1	2.9
e	0.111+0.039-0.040	0.11±0.04	---	0.112±0.035
P (days)	176.13+0.18-0.20	176.30000±0.39000	---	176.30±0.39
K (m/s)	66.46+3.12-2.65	70.6±3.1	---	---
a (au)	0.762±0.001	0.76±0.04	0.61 +0.08-0.02	0.76

Literature Time Series (2 File Types, 3 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	237	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	23	Optical Spectra	Sato et al. 2010
Radial Velocity Curve	3	Optical Spectra	Sato et al. 2010

Nearby Data (within 30 arcseconds) Browse Nearby Data

Revisiting Planetary Systems in Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and multiplicity-metallicity trend around evolved stars
Teng et al. 2023 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 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
Homogeneous spectroscopic parameters for bright planet host stars from the northern hemisphere . The impact on stellar and planetary mass
Sousa et al. 2015 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
Planet Engulfment by ~1.5-3 M sun Red Giants
Kunitomo et al. 2011 Reference Overview
Substellar Companions to Evolved Intermediate-Mass Stars: HD 145457 and HD 180314
Sato et al. 2010 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
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