Gaia DR2 561938815042266624

All names: Gaia EDR3 561938815042266624, WDJ015747.17+774736.19, Gaia DR2 561938815042266624, Gaia DR3 561938815042266624

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 01 57 47.83 (0.1) 01 57 47.81 01 57 47.83 01 57 47.17 (0.1) 01 57 47.81
Declination 77 47 35.81 (0.1) 77 47 35.82 77 47 35.81 77 47 36.19 (0.1) 77 47 35.82
Spectral type DC D
Effective temperature [K] 7140.0 6901.0 6600.0 (159)
log(g) [cgs] 8.16 8.06 7.95 (0.04)
Mass [M] 0.694 0.614 0.544 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.8480 1.7930
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.67 (0.1) 10.57 (0.2) 10.67 10.67 (0.1) 10.57 (0.2)
Distance [pc] 93.72 (1) 94.61 (2) 93.72 93.72 (1) 94.61 (2)
Composition
Proper motion (right ascension) [mas/yr] 130.6176242 (0.2) 130.1525095 (0.3) 130.618 (0.2) 130.1525095
Proper motion (declination) [mas/yr] -24.07231441 (0.2) -24.08086655 (0.3) -24.072 (0.2) -24.08086655
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 18.45 (0.02) 18.47 18.45 18.45 (0.003) 18.47
BP magnitude 18.61 (0.02) 18.62 18.62
RP magnitude 18.14 (0.02) 18.13 18.13
Pan g magnitude 18.65 (0.009)
Pan r magnitude 18.49 (0.006)
Pan i magnitude 18.47 (0.007)
Pan z magnitude 18.53 (0.02)
Pan y magnitude 18.59 (0.03)
E(B-V) 0.004

* 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.