Gaia DR2 257797990240667520

All names: Gaia DR3 257797990240667520, WDJ043839.71+490551.51, WDJ043839.71+490551.50, Gaia DR2 257797990240667520, Gaia EDR3 257797990240667520

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 04 38 39.59 (0.09) 04 38 39.59 04 38 39.59 04 38 39.71 (0.09) 04 38 39.59
Declination 49 05 50.81 (0.06) 49 05 50.83 49 05 50.81 49 05 51.51 (0.06) 49 05 50.83
Spectral type DA DA
Effective temperature [K] 5759.0 5519.0 5839.0 (47)
log(g) [cgs] 7.40 7.21 7.40 (0.02)
Mass [M] 0.297 0.22 0.3 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.2560 1.4030
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.18 (0.1) 14.34 (0.1) 14.18 14.18 (0.1) 14.34 (0.1)
Distance [pc] 70.52 (0.5) 69.74 (0.6) 70.52 70.52 (0.5) 69.74 (0.6)
Composition
Proper motion (right ascension) [mas/yr] -73.33681171 (0.1) -73.05380918 (0.2) -73.337 (0.1) -73.05380918
Proper motion (declination) [mas/yr] -44.17131831 (0.08) -44.02875658 (0.1) -44.171 (0.08) -44.02875658
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 17.64 (0.009) 17.66 17.64 17.64 (0.003) 17.66
BP magnitude 17.97 (0.009) 17.99 17.99
RP magnitude 17.15 (0.006) 17.16 17.16
Pan g magnitude 18.03 (0.004)
Pan r magnitude 17.65 (0.003)
Pan i magnitude 17.50 (0.007)
Pan z magnitude 17.48 (0.007)
Pan y magnitude 17.47 (0.01)
E(B-V) 0.002

* 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.