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)

Discovery Data

Spectral Type History

Photometry

Spitzer

HST

Ground

Spectroscopy

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