LB 27

All names: uvby98 600000027, PG 1300+279, Gaia DR3 1460730407575030656, LAMOST J130241.76+274041.9, Gaia DR2 1460730407575030656, PG1300+278, [S78c] SA 57 282, [BCF91] 450, Balloon 113031005, KUV 494-4, KUV 13003+2757, 2MASS J13024176+2740419, US 177, [TFW97] J130241.77+274042.01, GALEX J130241.7+274041, Gaia EDR3 1460730407575030656, Weis 64217, TIC 156423894, CBS 335, HIDDEN NAME PG 1300+278, BSD 57-23, BPS BS 15622-0036, OMHR J130241.78+274042.3, LB 27, PB 3251, FAUST 3652, [BOA98] 44

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 13 02 41.75 (0.03) 13 02 41.78 13 02 41.76 (0.03)
Declination 27 40 42.08 (0.02) 27 40 42.44 27 40 42.17 (0.02)
Spectral type sdB+WD sdO6.5VIIpHe35
Effective temperature [K] 29600.0 (1000)
log(g) [cgs] 5.65 (0.1)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.86 (0.04) 0.87 (0.06) 0.86 (0.04)
Distance [pc] 1157.94 (58) 1146.66 (73) 1157.94 (58)
Composition
Proper motion (right ascension) [mas/yr] -5.712 (0.04) -5.396 (0.08) -5.712 (0.04)
Proper motion (declination) [mas/yr] -5.477 (0.05) -5.667 (0.07) -5.477 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.93
V magnitude 11.97
R magnitude
I magnitude
J magnitude 14.83 (0.03) 14.83 (0.03)
H magnitude 14.99 (0.06) 14.99 (0.06)
K magnitude 15.05 (0.1) 15.05 (0.1)
u magnitude 14.14 (0.004)
g magnitude 14.33 (0.004)
r magnitude
i magnitude 14.99 (0.005)
z magnitude 15.12 (0.006)
G magnitude 14.20 (0.003) 14.21 (0.0003) 14.20 (0.003)
BP magnitude 14.05 (0.003) 13.98 (0.004)
RP magnitude 14.49 (0.004) 14.48 (0.001)
Pan g magnitude 14.01 (0.002)
Pan r magnitude 14.47 (0.005)
Pan i magnitude 14.84 (0.004)
Pan z magnitude 15.11 (0.003)
Pan y magnitude 15.28 (0.006)
E(B-V) 0.014

* 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.