Gaia DR2 4603104815507642752

All names: Gaia DR3 4603104815507642752, GALEX J180007.3+313438, Gaia DR2 4603104815507642752, Gaia EDR3 4603104815507642752, LAMOST J180007.26+313437.5, LAMOSTJ180007.26+313437.4, UCAC4 608-059552, 2MASS J18000726+3134375

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 18 00 07.26 (0.02) 18 00 07.26 18 00 07.26 (0.02)
Declination 31 34 37.36 (0.03) 31 34 37.57 31 34 37.41 (0.03)
Spectral type sdB sdB
Effective temperature [K] 26970.0 (440)
log(g) [cgs] 5.52 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.67 (0.03) 0.59 (0.05) 0.67 (0.03)
Distance [pc] 1497.01 (76) 1685.20 (150) 1497.01 (76)
Composition
Proper motion (right ascension) [mas/yr] -0.973 (0.03) -1.094 (0.08) -0.973 (0.03)
Proper motion (declination) [mas/yr] -2.994 (0.03) -2.978 (0.08) -2.994 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 15.45 (0.1)
I magnitude
J magnitude 15.68 (0.07) 15.68 (0.07)
H magnitude 15.71 (0.1) 15.71 (0.1)
K magnitude 15.67
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.21 (0.003) 15.23 (0.0007) 15.21 (0.003)
BP magnitude 15.10 (0.003) 15.05 (0.006)
RP magnitude 15.44 (0.004) 15.43 (0.003)
Pan g magnitude 15.05 (0.003)
Pan r magnitude 15.45 (0.003)
Pan i magnitude 15.77 (0.002)
Pan z magnitude 16.02 (0.003)
Pan y magnitude 16.18 (0.005)
E(B-V) 0.043

* 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.