kap And Overview

kap And 2.31 R_⦿ 9423.33 K

kap And b

1.420 R_Jup

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
kap And
kap And b	---	15.92 R_⨁	Imaging	2012	Carson et al. 2013	Confirmed Planet

kap And

Some stellar parameter values may be biased due to companion blend (WDS Catalog)

kap And b

Effective temperature entered under equilibrium temperature. (Godoy et al. 2025)
Planetary parameters drawn from Table 9, "Cloudy family, Atmospheric models" in ref. (Godoy et al. 2025)

Photometry: m_V
4.13791±0.02300; m_TESS
4.2242±0.0076; m_J
4.624±0.264; m_H
4.595±0.218; m_Ks
4.571±0.354; m_W1
4.282±0.283; m_W2
4.079±0.138; m_W3
4.400±0.015; m_W4
4.377±0.027; m_Gaia
4.1347800±0.0041531; m_B
4.065±0.022

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

Source	Godoy et al. 2025	TICv8	Gaia DR2	Bonnefoy et al. 2014	Carson et al. 2013	Cannon & Pickering 1918
T_eff (K)	11327+412-44	10839.000+225.659-153.118	9423.333+237.667-475.333	10900±300	10700±300	---
Metallicity (dex)	0 [M/H]	---	---	-0.36±0.09 [M/H]	-0.32±0.15 [Fe/H]	---
Age (Gyr)	0.047±0.007	---	---	0.03 +0.12-0.01	0.03 +0.02-0.01	---
M_✶ (M_⦿)	2.768+0.100-0.109	2.820000+0.397721-0.315856	---	2.6±0.2	2.45±0.05	---
log g (log₁₀(cm/s²))	4.174+0.019-0.012	4.1602300+0.0518206-0.0726538	---	3.78±0.08	3.87±0.13	---
Sp. T	B9 IVn	---	---	B9 IV	B9 IV	A0
L_✶ (log₁₀(L_⦿))	1.7966+0.0682-0.0155	1.822735+0.022858-0.030376	---	1.83±0.04	---	---
ρ_✶ (g/cm³)	---	0.3215800+0.0489972-0.0524209	---	---	---	---
R_✶ (R_⦿)	2.109+0.032-0.018	2.3122900+0.0740060-0.0644362	---	---	---	---
v sin i (km/s)	142.2+13.1-21.1	---	---	---	---	---

Source	Godoy et al. 2025	Bonnefoy et al. 2014	Carson et al. 2013
T_eq (K)	1791±69	1900 +100-200	1680 +30-20
M_p (M_⨁)	5498±572	4327.360 +7323.224-332.874	4068.1 +635.6-317.8
M_p (M_Jup)	17.3±1.8	13.616 +23.042-1.047	12.8 +2.0-1.0
a (au)	---	55±2	61 +50-20
R_p (R_⨁)	15.9±0.7	---	---
R_p (R_Jup)	1.42±0.06	---	---

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	114	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

A JWST/MIRI view of κ Andromedae b: Refining its mass, age, and physical parameters
Godoy et al. 2025 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
Characterization of the gaseous companion kappa Andromedae b: New Keck and LBTI high-contrast observations
Bonnefoy et al. 2014 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
Direct Imaging Discovery of a `Super-Jupiter' Around the late B-Type Star Kappa And
Carson et al. 2013 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 Reference Overview
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview
The Washington Double Star Catalog (WDS, 1996.0)
WDS Catalog Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
UBVRIJKL Photometry of Bright Stars
Johnson et al. 1966 Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview