Gaia DR2 4526236102186660352

All names: Gaia EDR3 4526235827308746496, LAMOST J181211.24+175540.4, Gaia DR2 4526236102186660352, LAMOSTJ181211.25+175540.6, Gaia DR3 4526236102186660352, GALEX J181211.2+175540

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 18 12 17.18 (0.4) 18 12 11.24 18 12 11.25 (0.05)
Declination 17 54 24.75 (0.5) 17 55 40.48 17 55 40.61 (0.06)
Spectral type sdB sdB
Effective temperature [K] 23640.0 (420)
log(g) [cgs] 5.03 (0.07)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.13 (0.7) 0.09 (0.09) 0.14 (0.07)
Distance [pc] 881.60 (579) 10764.26 (10938) 6896.55 (3553)
Composition
Proper motion (right ascension) [mas/yr] -4.561 (0.6) -6.31 (0.2) -6.083 (0.07)
Proper motion (declination) [mas/yr] -13.771 (0.8) -9.072 (0.2) -8.8 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 20.45 (0.007) 17.40 (0.001) 17.37 (0.003)
BP magnitude 20.67 (0.08) 17.31 (0.009)
RP magnitude 19.88 (0.09) 17.43 (0.02)
Pan g magnitude 17.29 (0.006)
Pan r magnitude 17.52 (0.004)
Pan i magnitude 17.77 (0.004)
Pan z magnitude 17.99 (0.02)
Pan y magnitude 18.11 (0.009)
E(B-V) 0.110

* 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.