WD 0806-661 Overview

WD 0806-661 9552.00 K

WD 0806-661 b

Overview Notes 2 Parameters Nearby Data Bibliography 9 Legend Expand All

WD 0806-661 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
WD 0806-661
WD 0806-661 b	2500 au	2542.63 M_⨁	Imaging	2011	Luhman et al. 2011	Confirmed Planet

Exoplanet Archive Notes (2)

WD 0806-661

Stellar age value/uncertainties estimated from range given in ref. (Rodriguez et al. 2011)

WD 0806-661 b

Planet mass value/uncertainties estimated from range given in ref. (Rodriguez et al. 2011)

WD 0806-661 Stellar Parameters (3 Solutions)

RA: 08h06m54.62s

Dec: -66d18m21.18s

Distance: 19.2444±0.0073 pc

Parallax: 51.9342000±0.0194601 mas

Ecliptic Latitude: -77.44877 deg

Ecliptic Longitude: 193.47443 deg

Galactic Latitude: -17.57098 deg

Galactic Longitude: 279.42436 deg

Total Proper Motion: 442.7731538±0.0428201 mas/yr

Proper Motion (RA): 335.5470000±0.0439721 mas/yr

Proper Motion (Dec): -288.888000±0.041215 mas/yr

Photometry: m_V
13.855±0.137; m_TESS
13.6896±0.0061; m_J
13.704±0.023; m_H
13.739±0.025; m_Ks
13.781±0.043; m_W1
13.828±0.024; m_W2
13.906±0.027; m_W3
>13.086; m_W4
>9.512; m_Gaia
13.682600±0.000339; m_B
13.779±0.015

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

Source	Gaia DR2	Rodriguez et al. 2011	Luhman et al. 2011
T_eff (K)	9552.000+54.333-1930.500	---	---
Age (Gyr)	---	2.1±0.6	1.5 +0.5-0.3
M_✶ (M_⦿)	---	0.62±0.03	0.62±0.03
Sp. T	---	DQ	---

WD 0806-661 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Imaging

Tools: Planetary Systems; Direct Imaging; Atmospheric Spectroscopy

Source	Rodriguez et al. 2011	Luhman et al. 2012
T_eq (K)	340±10	322.5±22.5
M_p (M_⨁)	2543±636	2383.6±476.7
M_p (M_Jup)	8±2	7.5±1.5
a (au)	2500	2500

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 1 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (9 References)

MIRI-LRS Spectrum of a Cold Exoplanet around a White Dwarf: Water, Ammonia, and Methane Measurements
Voyer 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
All WISE Data Release
Cutri et al. 2014 Reference Overview
Confirmation of One of the Coldest Known Brown Dwarfs
Luhman et al. 2012 Reference Overview
The Ultra Cool Brown Dwarf Companion of WD 0806-661B: Age, Mass, and Formation Mechanism
Rodriguez et al. 2011 Reference Overview
Discovery of a Candidate for the Coolest Known Brown Dwarf
Luhman et al. 2011 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Preliminary Version of the Third Catalog of Nearby Stars
Gliese Catalog Reference Overview

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/7/WD_0806-661.json

WD 0806-661

Catalog Parameters

08h06m54.62s

Dec

dec

-66d18m21.18s

elat

-77.44877

elon

193.47443

glat

-17.57098

glon

279.42436

m_V

sy_vmag

13.855±0.137

m_TESS

sy_tmag

13.6896±0.0061

m_J

sy_jmag

13.704±0.023

m_H

sy_hmag

13.739±0.025

m_Ks

sy_kmag

13.781±0.043

sy_kepmag

no_data

m_W1

sy_w1mag

13.828±0.024

m_W2

sy_w2mag

13.906±0.027

m_W3

sy_w3mag

>13.086

m_W4

sy_w4mag

>9.512

sy_icmag

no_data

m_Gaia

sy_gaiamag

13.682600±0.000339

m_B

sy_bmag

13.779±0.015

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

442.7731538±0.0428201

μ_δ

sy_pmdec

-288.888000±0.041215

μ_α

sy_pmra

335.5470000±0.0439721

sy_plx

51.9342000±0.0194601

Distance

sy_dist

19.2444±0.0073

Set Parameters

st_rad

no_data

T_eff

st_teff

9552.000+54.333-1930.500