WD 1305+033

All names: SDSS J130746.33+030742.0, Gaia EDR3 3692497733580887040, SDSS J130746.37+030742.0, Gaia DR2 3692497733580887040, Gaia DR3 3692497733580887040, GALEX J130746.2+030740, SDSS J130746.34+030742.0, J1307+0307, WD 1305+033

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 07 46.38 (0.2) 13 07 46.34 13 07 46.34 13 07 46.38 (0.2) 13 07 46.38 13 07 46.34 (0.2) 13 07 46.34 13 07 45.67 13 07 46.34
Declination 03 07 42.01 (0.1) 03 07 42.02 03 07 41.96 03 07 42.01 (0.1) 03 07 42.01 03 07 41.95 (0.1) 03 07 42.03 03 07 35.76 03 07 41.98
Spectral type DZA DZA DZ DZ DZ DZ DZA DZ
Effective temperature [K] 8152.0 (208) 8170.0 (180) 8564.0 (298) 10090.0 (24) 10096.0 (28)
log(g) [cgs] 7.91 8.00 8.04 (0.06) 8.55 (0.4) 9.51 (0.4)
Mass [M] 0.5254 0.598 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.9460
log(H/He) -3.5367 (0.1) -3.55 (0.1)
log(C/He)
log(Ca/He) -9.6701 (0.07) -9.64 (0.06)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 7.44 (0.2) 7.43 7.43 (0.3) 7.44 7.44 (0.2)
Distance [pc] 134.42 (4) 134.52 (5) 134.52 (5) 130.00 134.42 134.42 (4)
Composition He He
Proper motion (right ascension) [mas/yr] 32.97534925 (0.2) 33.882468 (0.5) 32.975 (0.2) 37.3
Proper motion (declination) [mas/yr] 3.688334702 (0.2) 3.378925011 (0.3) 3.688 (0.2) 6.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.84 (0.02) 18.84 (0.02) 18.82 (0.03) 18.84 18.81 (0.03)
g magnitude 18.52 (0.008) 18.52 (0.008) 18.56 (0.02) 18.58 18.55 (0.02)
r magnitude 18.54 (0.009) 18.54 (0.009) 18.55 (0.02) 18.56 18.54 (0.02)
i magnitude 18.64 (0.01) 18.64 (0.01) 18.65 (0.02) 18.66 18.64 (0.02)
z magnitude 18.72 (0.04) 18.72 (0.04) 18.73 (0.04) 18.73 18.72 (0.04)
G magnitude 18.49 (0.02) 18.52 18.49 18.49 (0.003)
BP magnitude 18.57 (0.02) 18.56
RP magnitude 18.35 (0.03) 18.35
Pan g magnitude 18.53 (0.006)
Pan r magnitude 18.56 (0.005)
Pan i magnitude 18.66 (0.007)
Pan z magnitude 18.78 (0.009)
Pan y magnitude 18.90 (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.