WD 1459+644

All names: PG 1459+645, Gaia EDR3 1620793668213294976, Gaia DR3 1620793668213294976, GALEX J150050.5+641639, UCAC4 772-037691, FBS B 722, WD 1459+644, Gaia DR2 1620793668213294976, FBS 1459+645, TIC 202420264, 2MASS J15005056+6416392, WDJ150050.57+641639.72

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 15 00 50.34 (0.03) 15 00 50.34 (0.04) 15 00 50.34 15 00 50.57 (0.03) 15 00 50.34 15 00 49.13
Declination 64 16 39.07 (0.03) 64 16 39.09 (0.04) 64 16 39.07 64 16 39.72 (0.03) 64 16 39.09 64 16 42.60
Spectral type DC5 DC5 DC DC5 DC
Effective temperature [K] 10560.0 10680.0 10260.0 (97)
log(g) [cgs] 8.25 8.20 8.10 (0.01)
Mass [M] 0.757 0.704 0.643 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.7624 0.7053
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 17.72 (0.03) 17.70 (0.04) 17.72 17.72 (0.03) 17.70 (0.04)
Distance [pc] 56.44 (0.1) 56.49 (0.1) 56.44 56.44 (0.1) 56.49 (0.1)
Composition
Proper motion (right ascension) [mas/yr] -93.40370273 (0.04) -93.37214293 (0.09) -93.404 (0.04) -93.37214293
Proper motion (declination) [mas/yr] -40.48117176 (0.04) -40.34379696 (0.09) -40.481 (0.04) -40.34379696
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.12 (0.06)
V magnitude 16.16 (0.08)
R magnitude 15.81 (0.1)
I magnitude
J magnitude 16.09 (0.09)
H magnitude
K magnitude 15.53 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.13 (0.003) 16.16 16.13 16.13 (0.003) 16.16
BP magnitude 16.16 (0.003) 16.13 16.13
RP magnitude 16.09 (0.005) 16.07 16.07
Pan g magnitude 16.12 (0.004)
Pan r magnitude 16.23 (0.003)
Pan i magnitude 16.40 (0.003)
Pan z magnitude 16.57 (0.009)
Pan y magnitude 16.70 (0.005)
E(B-V) 0.007

* 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.