Gaia DR2 1793628851625008512

All names: Gaia DR2 1793628851625008512, Gaia DR3 1793628851625008512, GALEX J214042.5+214054, WDJ214042.54+214055.29, SDSS J214042.55+214054.0, Gaia EDR3 1793628851625008512, SDSS J214042.56+214054.1, J2140+2140, WDJ214042.54+214055.30

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 21 40 42.57 (0.08) 21 40 42.57 21 40 42.57 21 40 42.54 (0.08) 21 40 42.57
Declination 21 40 53.25 (0.07) 21 40 53.32 21 40 53.25 21 40 55.30 (0.07) 21 40 53.32
Spectral type DA DA DA DA DA
Effective temperature [K] 10041.0 (56) 10280.0 (56) 10040.0 (56) 10126.0 10264.0 10035.0 (135)
log(g) [cgs] 7.94 (0.01) 8.00 (0.02) 7.95 (0.02) 7.96 7.91 7.95 (0.02)
Mass [M] 0.565 (0.01) 0.6 (0.01) 0.571 (0.01) 0.579 0.529 0.568 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.5900 0.5561 0.5155
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 10.16 (0.09) 10.22 (0.1) 10.22 (0.1) 10.16 10.16 (0.09) 10.22 (0.1)
Distance [pc] 98.45 (0.9) 97.85 (1) 97.82 (1) 98.45 98.45 (0.9) 97.82 (1)
Composition H H
Proper motion (right ascension) [mas/yr] 30.9709726 (0.1) 31.10661704 (0.2) 30.971 (0.1) 31.10661704
Proper motion (declination) [mas/yr] -127.7511376 (0.08) -127.8921181 (0.2) -127.751 (0.08) -127.8921181
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.01 (0.02)
H magnitude
K magnitude
u magnitude 17.46 (0.01) 17.47 (0.01) 17.47 (0.01)
g magnitude 17.01 (0.004) 17.01 (0.004)
r magnitude 17.09 (0.005) 17.09 (0.005)
i magnitude 17.25 (0.007) 17.25 (0.007)
z magnitude 17.44 (0.02) 17.44 (0.02)
G magnitude 17.02 (0.007) 17.05 17.02 17.02 (0.003) 17.05
BP magnitude 17.08 (0.007) 17.09 17.09
RP magnitude 16.96 (0.01) 16.97 16.97
Pan g magnitude 17.02 (0.003) 17.02 (0.003)
Pan r magnitude 17.12 (0.005) 17.12 (0.004)
Pan i magnitude 17.26 (0.006) 17.26 (0.007)
Pan z magnitude 17.42 (0.005) 17.42 (0.005)
Pan y magnitude 17.56 (0.01) 17.56 (0.01)
E(B-V) 0.013

* 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.