WISE 1639-6847
Summary of Properties
Property
Discovery Name
AllWISE Designation
CatWISE Designation
Spectral Type
F105W
F125W
J2 (mag)
J3 (mag)
AllWISE W1 (mag)
AllWISE W2 (mag)
AllWISE W3 (mag)
AllWISE W4 (mag)
CatWISE W1 (mag)
CatWISE W2 (mag)
[3.6] (mag)
[4.5] (mag)
π (mas)
d (pc)
μ_αcos(δ) (mas yr−1)
μ_δ (mas yr−1)
Value
WISE J163940.83−684738.6
WISEA J163940.84−684739.4
CWISE J163941.59-684803.6
Y0 pec
21.337 (0.026)
21.151 (0.012)
22.27 (0.10)
20.62 (0.08)
17.266 (0.187)
13.544 (0.059)
>11.755
>8.585
17.632 (0.139)
13.633 (0.015)
16.186 (0.018)
13.588 (0.016)
211.9 (2.7)
4.72 (0.06)
582.0 (1.5)
−3099.8 (1.5)
Reference
CatWISE2020
CatWISE2020
CatWISE2020
Discovery Data
Name: WISE J163940.83-684738.6
Paper: Tinney et al. (2012)
Spectral Type: Y0: or Y0-Y0.5
Spectral Type History
Tinney et al. (2012): Y0: or Y0-Y0.5
Schneider et al. (2015): Y0 pec
Photometry
Spitzer
Schneider et al. (2015): [4.5]=13.537 (0.017)
Leggett et al. (2017): [3.6]=16.23 (0.03), [4.5]=13.57 (0.03)
Martin et al. (2018): [3.6] = 16.293 (0.029), [4.5] = 13.679 (0.016)
Kirkpatrick et al. (2019): [3.6] = 16.186 (0.018), [4.5] = 13.588 (0.016)
HST
Schneider et al. (2015): F105W=21.337 (0.026), F125W=21.151 (0.012)
Ground
Tinney et al. (2012): J3(FourStar/Magellan)=20.62 (0.08), J2(FourStar/Magellan)=22.27 (0.10)
Tinney et al. (2014): J3(FourStar/Magellan)=20.57 (0.05)
Spectroscopy
Tinney et al. (2012): FIRE/Magellan, 1.0-2.5 μm, R=500 [ASCII][PNG]
Schneider et al. (2015): WFC3/HST, 0.9-1.1 μm, R=210 and WFC3/HST, 1.1-1.70 μm, R=130 [ASCII] [PNG]
Parallax & Proper Motion
Tinney et al. (2012): π=200 (20) mas, d=5 pc, μ=3069 (40) mas yr−1, P.A.=169.1 (0.4) deg
Tinney et al. (2014): π=202.3 (3.1) mas, d=4.9 (0.1) pc, μ=3156.0 (3.5) mas yr−1, P.A. (deg)=169.3 (0.1)
Martin et al. (2018): π=228.05 (8.93) mas, d= 4.39 (+0.18 −0.17) pc, μ_αcos(δ)=+579.09 (12.52) mas yr−1, μ_δ=−3104.54 (12.25) mas yr−1
Kirkpatrick et al. (2019): π=211.9 (2.7) mas, d= 4.72 (0.06) pc, μ_αcos(δ)=582.0 (1.5) mas yr−1, μ_δ=−3099.8 (1.5) mas yr−1
Binarity
Opitz et al. (2016): GeMS/Gemini, no evidence for binarity.