USNO-B1.0 1020-00264523

All names: GALEX J141337.6+120501, Gaia EDR3 1226307755368045824, WDJ141337.74+120501.51, SDSS J141337.70+120501.6, USNO-B1.0 1020-00264523, SDSS J141337.69+120501.5, J1413+1205, SDSS J141337.69+120501.6, LSPM J1413+1205, Gaia DR3 1226307755368045824, Gaia DR2 1226307755368045824

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 13 37.54 (0.1) 14 13 37.70 14 13 37.54 (0.2) 14 13 37.54 14 13 37.74 (0.1) 14 13 37.54 14 13 37.70
Declination 12 05 01.80 (0.1) 12 05 01.63 12 05 01.79 (0.2) 12 05 01.80 12 05 01.51 (0.1) 12 05 01.79 12 05 01.61
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 6799.0 (40) 6771.0 (38) 6799.0 (40) 6691.0 6604.0 (128) 6583.0 (57)
log(g) [cgs] 8.21 (0.02) 8.22 (0.02) 8.22 (0.02) 8.19 8.16 (0.04) 8.13 (0.1)
Mass [M☉] 0.725 (0.02) 0.727 (0.02) 0.729 (0.02) 0.707 0.69 (0.04) 0.667 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr] 2.6300 2.4680
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] 12.58 (0.2) 12.63 (0.3) 12.63 (0.3) 12.58 12.58 (0.2) 12.63 (0.3)
Distance [pc] 79.49 (1) 79.18 (2) 79.19 (2) 79.49 79.49 (1) 79.19 (2)
Composition H H H
Proper motion (right ascension) [mas/yr] -183.2474162 (0.2) -184.1145229 (0.4) -183.247 (0.2) -184.1145229
Proper motion (declination) [mas/yr] 18.07874445 (0.2) 18.50026722 (0.4) 18.079 (0.2) 18.50026722
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.40
V magnitude
R magnitude 18.60
I magnitude
J magnitude 17.62 (0.03)
H magnitude 17.51 (0.06)
K magnitude 17.46 (0.09)
u magnitude 19.17 (0.02) 19.20 (0.03) 19.17 (0.02) 19.22 (0.03) 19.21 (0.03)
g magnitude 18.61 (0.008) 18.61 (0.008) 18.61 (0.008) 18.61 (0.02)
r magnitude 18.37 (0.008) 18.37 (0.008) 18.36 (0.008) 18.40 (0.02)
i magnitude 18.31 (0.009) 18.31 (0.009) 18.26 (0.01) 18.28 (0.01)
z magnitude 18.32 (0.03) 18.32 (0.03) 18.32 (0.03) 18.34 (0.03)
G magnitude 18.36 (0.02) 18.39 18.36 18.36 (0.003) 18.39
BP magnitude 18.63 (0.02) 18.61 18.61
RP magnitude 18.00 (0.02) 17.99 17.99
Pan g magnitude 18.58 (0.005) 18.58 (0.006)
Pan r magnitude 18.35 (0.007) 18.35 (0.006)
Pan i magnitude 18.32 (0.005) 18.32 (0.004)
Pan z magnitude 18.34 (0.007) 18.34 (0.006)
Pan y magnitude 18.38 (0.01) 18.38 (0.01)
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.