WD 1302+682

All names: SDSS J130415.81+680134.0, SDSS J130415.82+680134.1, Gaia DR2 1679507069444967808, GALEX J130415.8+680135, Gaia DR3 1679507069444967808, Gaia EDR3 1679507069444967808, SDSS J130415.83+680134.1, SDSS J130415.82+680134.0, WD 1302+682

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 13 04 15.72 (0.2) 13 04 15.82 13 04 15.73 (0.2) 13 04 15.72 13 04 15.82 (0.2) 13 04 15.83 13 04 14.28 13 04 15.82 13 04 15.82
Declination 68 01 34.96 (0.1) 68 01 34.14 68 01 34.94 (0.2) 68 01 34.96 68 01 34.17 (0.1) 68 01 34.13 68 01 32.16 68 01 34.09 68 01 34.07
Spectral type DA DA DA6 DA DA5.5 DA DA
Effective temperature [K] 8478.0 9284.0 (357) 9003.0 (88) 8861.0 (100) 9084.0 (90)
log(g) [cgs] 7.86 8.13 (0.07) 8.40 (0.2) 8.15 (0.2) 8.49 (0.1)
Mass [M] 0.516 0.678 (0.07) 0.684 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.7661
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] 5.30 (0.2) 5.18 (0.2) 5.30 5.30 (0.2)
Distance [pc] 188.70 (6) 193.23 (7) 188.70 188.70 (6)
Composition H
Proper motion (right ascension) [mas/yr] -35.78763325 (0.2) -35.12146688 (0.5) -35.788 (0.2) -29.5 -31.0
Proper motion (declination) [mas/yr] 49.68687847 (0.2) 49.5544817 (0.3) 49.687 (0.2) 49.5 52.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.50 (0.03) 19.50 (0.03) 19.50 (0.04) 19.51 19.50 (0.04) 19.51 (0.04)
g magnitude 19.05 (0.01) 19.05 (0.01) 19.00 (0.04) 18.99 18.99 (0.04) 18.99 (0.04)
r magnitude 19.05 (0.01) 19.05 (0.01) 19.06 (0.03) 19.07 19.05 (0.03) 19.07 (0.03)
i magnitude 19.08 (0.02) 19.09 (0.02) 19.08 (0.03) 19.08 19.08 (0.03) 19.08 (0.04)
z magnitude 19.21 (0.06) 19.21 (0.07) 19.22 (0.06) 19.22 19.22 (0.06) 19.22 (0.07)
G magnitude 18.97 (0.03) 19.01 18.97 18.97 (0.004)
BP magnitude 19.12 (0.03) 19.13
RP magnitude 18.92 (0.04) 18.83
Pan g magnitude 19.06 (0.01)
Pan r magnitude 18.99 (0.03)
Pan i magnitude 19.11 (0.01)
Pan z magnitude 19.20 (0.03)
Pan y magnitude 19.26 (0.09)
E(B-V) 0.013

* 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.