FBS 0248+444

All names: Gaia DR3 433769779680224256, FBS B 231, FBS0248+444, FBS 0248+444, Gaia DR2 433769779680224256, 2MASS J02512695+4442031, TIC 418031783

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 02 51 26.86 02 51 26.97 (0.02)
Declination 44 42 04.00 44 42 03.22 (0.02)
Spectral type sd sdB
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.95 (0.07) 1.02 (0.04)
Distance [pc] 1056.19 (76) 983.19 (35)
Composition
Proper motion (right ascension) [mas/yr] -1.656 (0.1) -1.504 (0.04)
Proper motion (declination) [mas/yr] -13.043 (0.09) -12.968 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.00
V magnitude 13.99
R magnitude
I magnitude
J magnitude 14.79 (0.04) 14.79 (0.04)
H magnitude 14.88 (0.08) 14.88 (0.08)
K magnitude 14.83 (0.1) 14.83 (0.1)
u magnitude 14.20 (0.004)
g magnitude 14.77 (0.001)
r magnitude 14.62 (0.005)
i magnitude 14.90 (0.005)
z magnitude 15.17 (0.006)
G magnitude 14.45 (0.0005) 14.44 (0.003)
BP magnitude 14.30 (0.008)
RP magnitude 14.59 (0.003)
Pan g magnitude 14.32 (0.004)
Pan r magnitude 14.65 (0.005)
Pan i magnitude 14.93 (0.002)
Pan z magnitude 15.16 (0.001)
Pan y magnitude 15.32 (0.004)
E(B-V) 0.123

* 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.