Feige 81

All names: UBV 12155, V* PQ Com, CSI+15-13294, PG1329+159, uvby98 620001081, LAMOST J133153.55+154117.5, LAMOST J133153.55+154117.4, GALEX J133153.5+154114, Feige 81, 2MASS J13315355+1541177, GSC 01459-01061, PG 1329+159, JP11 5239, BPS BS 16934-0007, Gaia DR2 3744968013301724544, TIC 95526898, ATO J202.9732+15.6882, PB 3963, UBV M 43329, FB 133, GEN# +6.20001081, Gaia DR3 3744968013301724544

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 13 31 53.63 13 31 53.55 (0.03)
Declination 15 41 18.47 15 41 17.57 (0.02)
Spectral type sdB+dM sdBpec
Effective temperature [K] 29100.0 (1000)
log(g) [cgs] 5.62 (0.1)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.24 (0.06) 1.24 (0.03)
Distance [pc] 808.02 (36) 809.00 (22)
Composition
Proper motion (right ascension) [mas/yr] -23.199 (0.1) -23.093 (0.03)
Proper motion (declination) [mas/yr] -15.99 (0.05) -16.117 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.24
V magnitude 13.51
R magnitude
I magnitude
J magnitude 14.04 (0.03) 14.04 (0.03)
H magnitude 14.18 (0.04) 14.18 (0.04)
K magnitude 14.23 (0.07) 14.23 (0.07)
u magnitude 13.20 (0.004)
g magnitude 13.48 (0.002)
r magnitude 13.95 (0.003)
i magnitude 14.11 (0.005)
z magnitude 14.41 (0.005)
G magnitude 13.50 (0.001) 13.49 (0.003)
BP magnitude 13.31 (0.006)
RP magnitude 13.75 (0.004)
Pan g magnitude 13.24
Pan r magnitude 13.82 (0.05)
Pan i magnitude 14.09 (0.0007)
Pan z magnitude 14.38 (0.002)
Pan y magnitude 14.53 (0.005)
E(B-V) 0.029

* 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.