Gaia DR2 1849790294963100672

All names: GALEX J213757.9+303520, WDJ213757.98+303520.78, Gaia EDR3 1849790294963100672, Gaia DR3 1849790294963100672, Gaia DR2 1849790294963100672

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 21 37 58.11 (0.05) 21 37 58.11 21 37 58.11 21 37 57.98 (0.05) 21 37 58.11
Declination 30 35 20.89 (0.07) 30 35 20.89 30 35 20.89 30 35 20.79 (0.07) 30 35 20.89
Spectral type DC D
Effective temperature [K] 9423.0 9255.0 8788.0 (111)
log(g) [cgs] 8.24 8.17 8.02 (0.02)
Mass [M] 0.752 0.685 0.591 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.0050 0.9847
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.12 (0.09) 10.97 (0.1) 11.12 11.12 (0.09) 10.97 (0.1)
Distance [pc] 89.92 (0.8) 91.14 (1) 89.92 89.92 (0.8) 91.14 (1)
Composition
Proper motion (right ascension) [mas/yr] 107.1970073 (0.08) 106.9226739 (0.3) 107.197 (0.08) 106.9226739
Proper motion (declination) [mas/yr] 6.775673469 (0.08) 6.995969113 (0.4) 6.776 (0.08) 6.995969113
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 17.52 (0.009) 17.55 17.52 17.52 (0.003) 17.55
BP magnitude 17.59 (0.009) 17.57 17.57
RP magnitude 17.41 (0.008) 17.42 17.42
Pan g magnitude 17.57 (0.008)
Pan r magnitude 17.62 (0.003)
Pan i magnitude 17.73 (0.007)
Pan z magnitude 17.86 (0.009)
Pan y magnitude 17.97 (0.02)
E(B-V) 0.018

* 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.