Gaia DR2 4468709791261277184

All names: GALEX J175526.9+013206, Gaia DR3 4468709791264321664, Gaia EDR3 4468709791264321664, WDJ175526.98+013207.62, WDJ175526.98+013207.63, Gaia DR2 4468709791261277184

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 17 55 26.99 (0.1) 17 55 26.99 17 55 26.99 17 55 26.98 (0.1) 17 55 26.99
Declination 01 32 06.67 (0.1) 01 32 06.70 01 32 06.67 01 32 07.63 (0.1) 01 32 06.70
Spectral type DA DA
Effective temperature [K] 6624.0 6379.0 6947.0 (145)
log(g) [cgs] 7.80 7.67 8.00 (0.04)
Mass [M] 0.48 0.395 0.591 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.3320 1.3000
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.62 (0.2) 10.11 (0.2) 10.62 10.62 (0.2) 10.11 (0.2)
Distance [pc] 94.13 (2) 98.89 (2) 94.13 94.13 (2) 98.89 (2)
Composition
Proper motion (right ascension) [mas/yr] 10.94987394 (0.2) 10.69052759 (0.4) 10.95 (0.2) 10.69052759
Proper motion (declination) [mas/yr] -59.85184222 (0.2) -59.71867628 (0.3) -59.852 (0.2) -59.71867628
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 18.33 (0.01) 18.35 18.33 18.33 (0.003) 18.35
BP magnitude 18.54 (0.01) 18.54 18.54
RP magnitude 18.01 (0.01) 18.02 18.02
Pan g magnitude 18.58 (0.006)
Pan r magnitude 18.37 (0.004)
Pan i magnitude 18.30 (0.006)
Pan z magnitude 18.33 (0.01)
Pan y magnitude 18.35 (0.01)
E(B-V) 0.044

* 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.