Gaia DR2 2858325611939289472

All names: Gaia DR2 2858325611939289472, SDSS J004004.32+294957.1, Gaia DR3 2858325611939289472, Gaia EDR3 2858325611939289472, WDJ004004.33+294957.79, WDJ00404.33+294957.78, SDSS J004004.33+294957.1

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 00 40 04.31 (0.2) 00 40 04.31 00 40 04.31 00 40 04.33 (0.2) 00 40 04.31
Declination 29 49 56.80 (0.1) 29 49 56.83 29 49 56.80 29 49 57.78 (0.1) 29 49 56.83
Spectral type DC DA
Effective temperature [K] 6973.0 6711.0 6247.0 (200)
log(g) [cgs] 8.36 8.26 8.13 (0.05)
Mass [M] 0.825 0.739 0.653 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 3.2580 3.0430
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.79 (0.2) 11.72 (0.3) 11.79 11.79 (0.2) 11.72 (0.3)
Distance [pc] 84.82 (2) 85.30 (2) 84.82 84.82 (2) 85.30 (2)
Composition
Proper motion (right ascension) [mas/yr] -16.19014854 (0.2) -16.44500712 (0.5) -16.19 (0.2) -16.44500712
Proper motion (declination) [mas/yr] -61.66589413 (0.2) -61.86297755 (0.4) -61.666 (0.2) -61.86297755
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.45 (0.04) 19.45 (0.04)
g magnitude 18.88 (0.01) 18.88 (0.01)
r magnitude 18.63 (0.01) 18.63 (0.01)
i magnitude 18.61 (0.01) 18.61 (0.01)
z magnitude 18.63 (0.06) 18.63 (0.06)
G magnitude 18.63 (0.03) 18.66 18.63 18.63 (0.003) 18.66
BP magnitude 18.85 (0.03) 18.88 18.88
RP magnitude 18.30 (0.03) 18.33 18.33
Pan g magnitude 18.83 (0.008)
Pan r magnitude 18.66 (0.003)
Pan i magnitude 18.62 (0.005)
Pan z magnitude 18.66 (0.007)
Pan y magnitude 18.72 (0.02)
E(B-V) 0.005

* 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.