WD 1239+508

All names: GALEX J124157.2+503559, Gaia EDR3 1567773362097392512, Gaia DR2 1567773362097392512, WD 1239+508, SBSS 1239+508, SDSS J124157.23+503600.4, SBSS 1239+509, Gaia DR3 1567773362097392512, USNO-B1.0 1405-00231275

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 41 57.25 (0.05) 12 41 57.25 (0.06) 12 41 57.25 12 41 57.24 (0.05) 12 41 56.30
Declination 50 35 59.81 (0.05) 50 35 59.83 (0.06) 50 35 59.81 50 36 00.45 (0.05) 50 35 57.84
Spectral type DA DA DA DA
Effective temperature [K] 12617.0 14229.0 (310)
log(g) [cgs] 7.89 7.98 (0.02)
Mass [M] 0.544 0.6 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.2808
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 7.04 (0.07) 7.10 (0.09) 7.04 7.04 (0.07)
Distance [pc] 142.09 (2) 140.80 (2) 142.09 142.09 (2)
Composition H
Proper motion (right ascension) [mas/yr] 6.77072681 (0.05) 6.717827142 (0.1) 6.771 (0.05)
Proper motion (declination) [mas/yr] -39.65911615 (0.07) -39.62517241 (0.1) -39.659 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.20
V magnitude
R magnitude 15.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.37 (0.009)
g magnitude 17.07 (0.005)
r magnitude 17.34 (0.005)
i magnitude 17.67 (0.008)
z magnitude 17.86 (0.02)
G magnitude 17.19 (0.006) 17.21 17.19 17.19 (0.003)
BP magnitude 17.16 (0.006) 17.14
RP magnitude 17.20 (0.01) 17.16
Pan g magnitude 17.10 (0.002)
Pan r magnitude 17.33 (0.003)
Pan i magnitude 17.59 (0.003)
Pan z magnitude 17.76 (0.004)
Pan y magnitude 17.91 (0.02)
E(B-V) 0.010

* 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.