WD 0806-661B
Summary of Properties
Summary of Properties
Property
Discovery Name
AllWISE Designation
CatWISE Designation
Spectral Type
CatWISE W1 (mag)
CatWISE W2 (mag)
F105W
F125W
F160W
Y_MKO (mag)
J_MKO (mag)
[3.6] (mag)
[4.5] (mag)
π (mas)
d (pc)
μ_αcos(δ) (mas yr−1)
μ_δ (mas yr−1)
Value
WD 0806−661B
None
CWISE J080715.41−661853.5
None
19.578 (0.291)
16.691 (0.069)
25.97 (0.20)
25.92 (0.30)
25.46 (0.10)
>23.5
>23.9
19.65 (0.15)
[2004] 16.96 (0.09), [2009] 16.84 (0.06)
52.17 (1.67)
19.2 (0.6)
+340.3 (1.8)
−289.6 (1.8)
Discovery Data
Discovery Data
- Discovery name: WD 0806−661B
- Discovery paper: Luhman, Burgasser, Bochanski (2011)
- Discovery spectral type: None
Photometry
Photometry
Spitzer
Spitzer
- Luhman, Burgasser, Bochanski (2011): [4.5] = 16.75 (0.05)
- Luhman et al. (2012): [3.6]=19.65 (0.15), [4.5](2004)=16.96 (0.09), [4.5](2009)=16.84 (0.06)
HST
HST
- Luhman et al. (2014): F110W=25.70 (0.08)
- Leggett et al. (2017): F105W=25.97 (0.20), F125W=25.92 (0.30), F127M=24.80 (0.30), F160W=25.46 (0.10)
Ground
Ground
- Luhman, Burgasser, Bochanski (2011): J(FIRE/Magellan)>20
- Luhman et al. (2014): z(FORS2/VLT)>24.6, Y(HAWK-I/VLT)>23.2
- Leggett et al. (2015): zAB(GMOS/Gemini-MKO)>26.2, Y(GSAOI/Gemini-MKO)>23.5, J(GSAOI/Gemini-MKO)>23.9
Parallax & Proper Motion
Parallax & Proper Motion
- Luhman, Burgasser, Bochanski (2011) & Subasavage et al. (2009): d=19.2 (0.6) pc, μ_α=+340.3 (1.8) mas yr−1, μ_δ=−289.6 (1.8) mas yr−1
Binarity
Binarity
- Luhman, Burgasser, Bochanski (2011): A companion to the white dwarf WD 0806−661A