Gaia DR2 3145382126287048832

All names: SDSS J075622.73+081240.8, Gaia DR2 3145382126287048832, GALEX J075622.7+081240, WDJ075622.76+081241.02, J0756+0812, Gaia DR3 3145382126287048832, Gaia EDR3 3145382126287048832

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 56 22.68 (0.05) 07 56 22.68 07 56 22.68 07 56 22.76 (0.05) 07 56 22.68
Declination 08 12 40.47 (0.04) 08 12 40.49 08 12 40.47 08 12 41.03 (0.04) 08 12 40.49
Spectral type DC DC DB DC
Effective temperature [K] 10542.0 (75) 10542.0 (75) 10568.0 10726.0 10678.0 (124)
log(g) [cgs] 8.10 (0.01) 8.09 (0.01) 8.22 8.17 8.16 (0.01)
Mass [M] 0.639 (0.01) 0.638 (0.01) 0.736 0.685 0.679 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.7221 0.6678
log(H/He) -4.8 -4.8
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.18 (0.06) 14.17 (0.07) 14.18 14.18 (0.06) 14.17 (0.07)
Distance [pc] 70.54 (0.3) 70.59 (0.3) 70.54 70.54 (0.3) 70.59 (0.3)
Composition
Proper motion (right ascension) [mas/yr] -76.01052265 (0.06) -76.07946654 (0.1) -76.011 (0.06) -76.07946654
Proper motion (declination) [mas/yr] -34.55560141 (0.04) -34.46629038 (0.08) -34.556 (0.04) -34.46629038
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.61 (0.007) 16.61 (0.007)
g magnitude 16.50 (0.004) 16.50 (0.004)
r magnitude 16.63 (0.005) 16.63 (0.005)
i magnitude 16.83 (0.005) 16.83 (0.005)
z magnitude 17.00 (0.01) 17.00 (0.01)
G magnitude 16.55 (0.004) 16.58 16.55 16.55 (0.003) 16.58
BP magnitude 16.57 (0.004) 16.53 16.53
RP magnitude 16.51 (0.005) 16.51 16.51
Pan g magnitude 16.54 (0.003)
Pan r magnitude 16.66 (0.003)
Pan i magnitude 16.84 (0.003)
Pan z magnitude 17.00 (0.004)
Pan y magnitude 17.13 (0.006)
E(B-V) 0.001

* 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.