FBS 0156+439

All names: FBS 0156+439, UCAC3 269-22078, USNO-B1.0 1342-00037386, GALEX J015946.2+441318, Gaia DR3 346721341030064640, UCAC2 46890535, GSC2.3 NBZD011648, TIC 291885456, Gaia DR2 346721341030064640, 2MASS J01594618+4413191, FBS0156+439, FBS B 224

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 01 59 46.27 01 59 46.20 (0.04)
Declination 44 13 18.69 44 13 19.22 (0.04)
Spectral type He-sdOB sdB
Effective temperature [K] 43970.0 (1190)
log(g) [cgs] 5.72 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.48 (0.08) 0.49 (0.05)
Distance [pc] 2103.49 (335) 2052.97 (207)
Composition
Proper motion (right ascension) [mas/yr] -3.733 (0.1) -3.945 (0.05)
Proper motion (declination) [mas/yr] -3.884 (0.1) -3.893 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.19 (0.03)
V magnitude 15.19 (0.04)
R magnitude 15.29
I magnitude 15.26
J magnitude 15.91 (0.07) 15.91 (0.07)
H magnitude 16.10 (0.2) 16.10 (0.2)
K magnitude 15.81 (0.2) 15.81 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.31 (0.001) 15.30 (0.003)
BP magnitude 15.09 (0.01)
RP magnitude 15.55 (0.005)
Pan g magnitude 15.17 (0.005)
Pan r magnitude 15.55 (0.002)
Pan i magnitude 15.89 (0.003)
Pan z magnitude 16.15 (0.004)
Pan y magnitude 16.32 (0.008)
E(B-V) 0.080

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.