WD 137-349

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WD 137-349A

Observation data Epoch J2000
Constellation (pronunciation)	Sculptor
Right ascension	01h 39m 42.9s
Declination	-34° 42' 37"'
Apparent magnitude (V)	15.31
Characteristics
Spectral type	DA
U-B color index	?
B-V color index	?
Variable type	None
Astrometry
Radial velocity (Rv)	70 km/s
Absolute magnitude (MV)	15.33
Details
Mass	0.5 M☉
Radius	? R☉
Luminosity	? L☉
Temperature	? K
Metallicity	?
Rotation	?
Age	? years

WD 137-349B

Observation data Epoch J2000
Constellation (pronunciation)	Sculptor
Right ascension	01h 39m 42.9s
Declination	-34° 42' 37"'
Apparent magnitude (V)	15.31
Astrometry
Distance	333 Ly
Binary orbit
Period (P)	2 hs
Space between A and B:	0.006 AU
Details
Mass	? M☉
Radius	? R☉
Luminosity	? L☉
Temperature	? K
Metallicity	?
Rotation	?
Age	? years
Other designations
WD 0137-349, BPS CS 29504-0036.

WD 137-349, In this very close double system a rather big brown dwarf orbits a white dwarf.

[edit] Reference

• http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=WD0137-349&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id
• http://jumk.de/astronomie/special-stars/wd0137-349.shtml