Gaia DR2 2287057440736972288

All names: Gaia EDR3 2287057440736972288, GALEX J220915.9+810109, Gaia DR2 2287057440736972288, Gaia DR3 2287057440736972288, WDJ220916.26+810107.94

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 22 09 16.57 (0.1) 22 09 16.56 22 09 16.57 22 09 16.26 (0.1) 22 09 16.56
Declination 81 01 09.12 (0.1) 81 01 09.08 81 01 09.12 81 01 07.94 (0.1) 81 01 09.08
Spectral type DA DA
Effective temperature [K] 5499.0 5249.0 5525.0 (93)
log(g) [cgs] 7.44 7.24 7.43 (0.05)
Mass [M] 0.309 0.228 0.306 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.4400 1.6510
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.17 (0.1) 10.21 (0.2) 10.17 10.17 (0.1) 10.21 (0.2)
Distance [pc] 98.37 (1) 97.92 (1) 98.37 98.37 (1) 97.92 (1)
Composition
Proper motion (right ascension) [mas/yr] 45.40178435 (0.2) 45.1023611 (0.3) 45.402 (0.2) 45.1023611
Proper motion (declination) [mas/yr] 73.43972616 (0.2) 73.66607367 (0.3) 73.44 (0.2) 73.66607367
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 18.66 (0.04) 18.68 18.66 18.66 (0.003) 18.68
BP magnitude 19.06 (0.04) 19.02 19.02
RP magnitude 18.09 (0.04) 18.11 18.11
Pan g magnitude 19.08 (0.01)
Pan r magnitude 18.64 (0.01)
Pan i magnitude 18.46 (0.005)
Pan z magnitude 18.42 (0.01)
Pan y magnitude 18.38 (0.02)
E(B-V) 0.006

* 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.