WD 1327+007

All names: SDSS J132944.38+002836.3, Gaia EDR3 3710998665985743872, 2QZ J132944.4+002837, SDSS J132944.39+002836.40, Gaia DR2 3710998665985743872, WD 1327+007, SDSS J132944.39+002836.4, Gaia DR3 3710998665985743872

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Harris et al. 2003 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 29 44.38 (0.4) 13 29 44.39 13 29 44.38 (0.6) 13 29 44.39 (0.4) 13 29 44.38 13 29 44.50 13 29 44.39
Declination 00 28 36.42 (0.3) 00 28 36.34 00 28 36.41 (0.5) 00 28 36.25 (0.3) 00 28 36.33 00 28 31.44 00 28 36.43
Spectral type DB: DB: DB DB: DB: DB DB
Effective temperature [K] 16811.0 21793.0 13099.0 17904.0 (655) 17885.0 (895)
log(g) [cgs] 7.92 7.75 7.06 8.11 (0.3) 8.20 (0.3)
Mass [M] 0.55 0.471 0.23 0.709 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.1250
log(H/He) -4.966
log(C/He)
log(Ca/He)
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] 1.11 (0.5) 1.15 (0.6) 1.11 (0.5)
Distance [pc] 903.84 (383) 872.75 (481) 903.83 (383)
Composition He
Proper motion (right ascension) [mas/yr] -11.80553242 (0.6) -12.50812815 (1) -11.806 (0.6) -0.7
Proper motion (declination) [mas/yr] 10.67938008 (0.3) 9.767056789 (1) 10.679 (0.3) 1.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.66 (0.03) 19.68 19.66 (0.03) 19.66 (0.04) 19.66 19.67 (0.04)
g magnitude 19.79 (0.01) 19.80 19.79 (0.01) 19.81 (0.02) 19.80 19.81 (0.02)
r magnitude 20.11 (0.02) 20.14 20.11 (0.02) 20.13 (0.03) 20.13 20.13 (0.03)
i magnitude 20.39 (0.04) 20.40 20.39 (0.04) 20.40 (0.04) 20.40 20.41 (0.04)
z magnitude 20.91 (0.2) 20.87 20.91 (0.2) 20.89 (0.2) 20.89 20.90 (0.2)
G magnitude 19.96 (0.05) 20.03 19.96 (0.005)
BP magnitude 19.91 (0.05) 19.88
RP magnitude 20.19 (0.08) 20.21
Pan g magnitude 19.86 (0.01)
Pan r magnitude 20.09 (0.02)
Pan i magnitude 20.38 (0.03)
Pan z magnitude 20.53 (0.03)
Pan y magnitude 20.52 (0.04)
E(B-V) 0.026

* 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.