WD 1312+098

All names: GALEX J131509.0+093714, PG 1312+099, WD 1312+098, Gaia EDR3 3732584969752521984, SDSS J131508.96+093713.8, SDSS J131508.97+093713.9, PG 1312+098, SDSS J131508.98+093713.8, Gaia DR2 3732584969752521984, Gaia DR3 3732584969752521984

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 15 08.98 (0.05) 13 15 08.96 13 15 08.98 (0.06) 13 15 08.98 13 15 08.96 (0.05) 13 15 08.14 13 15 08.97
Declination 09 37 13.88 (0.05) 09 37 13.86 09 37 13.88 (0.06) 09 37 13.88 09 37 13.90 (0.05) 09 37 15.60 09 37 13.87
Spectral type DA DA DA: DAH DC DAH DAH
Effective temperature [K] 18066.0 20000.0 22976.0 (407) 72414.0 (1249)
log(g) [cgs] 8.28 8.51 (0.02) 10.00 (0.005)
Mass [M] 0.788 0.942 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.1777
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] 9.85 (0.08) 9.83 (0.08) 9.85 9.85 (0.08)
Distance [pc] 101.52 (0.8) 101.74 (0.9) 101.52 101.52 (0.8)
Composition H
Proper motion (right ascension) [mas/yr] 22.78600389 (0.08) 22.72417341 (0.2) 22.786 (0.08)
Proper motion (declination) [mas/yr] -1.484635488 (0.1) -1.559320825 (0.1) -1.485 (0.1)
Variability
Magnetic yes
Bd [MG] 10
Infrared excess (disk)
Binarity
B magnitude 16.41
V magnitude 16.37
R magnitude
I magnitude
J magnitude 16.91 (0.02)
H magnitude 16.97 (0.04)
K magnitude 17.13 (0.08)
u magnitude 16.09 (0.006) 16.09 (0.006) 16.11 (0.01)
g magnitude 16.21 (0.004) 16.21 (0.004) 16.23 (0.02)
r magnitude 16.57 (0.004) 16.57 (0.004) 16.59 (0.01)
i magnitude 16.91 (0.005) 16.91 (0.005) 16.93 (0.02)
z magnitude 17.17 (0.01) 17.17 (0.01) 17.19 (0.03)
G magnitude 16.42 (0.004) 16.44 16.42 16.42 (0.003)
BP magnitude 16.32 (0.004) 16.29
RP magnitude 16.61 (0.006) 16.60
Pan g magnitude 16.28 (0.004)
Pan r magnitude 16.62 (0.004)
Pan i magnitude 16.93 (0.004)
Pan z magnitude 17.14 (0.007)
Pan y magnitude 17.34 (0.01)
E(B-V) 0.005

* 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.