WD 1337+641

All names: SDSS J133926.55+635502.9, Gaia DR2 1665785714086385280, WD 1337+641, Gaia DR3 1665785714086385280, SDSS J133926.56+635502.9, Gaia EDR3 1665785714086385280

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism 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 39 26.57 (0.3) 13 39 26.57 13 39 26.57 (0.5) 13 39 26.57 (0.3) 13 39 26.56 13 39 25.51 13 39 26.56 13 39 26.56
Declination 63 55 02.97 (0.3) 63 55 02.92 63 55 02.97 (0.3) 63 55 02.96 (0.3) 63 55 02.93 63 54 55.44 63 55 02.91 63 55 02.93
Spectral type DA DA DA DA4.3 DA DA
Effective temperature [K] 9632.0 11616.0 (434) 11270.0 (376) 11789.0 (499)
log(g) [cgs] 7.79 8.00 (0.2) 8.15 (0.2) 8.07 (0.2)
Mass [M☉] 0.482 0.689 (0.1)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.5133
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] 2.85 (0.3) 2.62 (0.4) 2.85 (0.3)
Distance [pc] 351.17 (41) 381.35 (61) 351.17 (41)
Composition H
Proper motion (right ascension) [mas/yr] -1.327478201 (0.5) -2.455596975 (1) -1.327 (0.5) 6.9 5.0
Proper motion (declination) [mas/yr] 0.355085527 (0.4) 0.100802788 (0.6) 0.355 (0.4) -12.0 -13.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.31 (0.05) 20.31 (0.05) 20.36 (0.05) 20.32 20.34 (0.05) 20.32 (0.05)
g magnitude 19.94 (0.02) 19.93 (0.02) 19.95 (0.02) 19.94 19.96 (0.02) 19.94 (0.03)
r magnitude 20.07 (0.02) 20.07 (0.02) 20.11 (0.03) 20.11 20.11 (0.03) 20.11 (0.03)
i magnitude 20.26 (0.03) 20.25 (0.03) 20.25 (0.03) 20.25 20.25 (0.03) 20.25 (0.04)
z magnitude 20.17 (0.1) 20.17 (0.1) 20.17 (0.1) 20.17 20.18 (0.1) 20.17 (0.1)
G magnitude 20.00 (0.07) 20.05 20.00 (0.005)
BP magnitude 19.97 (0.07) 19.92
RP magnitude 19.86 (0.06) 19.68
Pan g magnitude 19.92 (0.01)
Pan r magnitude 20.08 (0.01)
Pan i magnitude 20.24 (0.02)
Pan z magnitude 20.55 (0.03)
Pan y magnitude
E(B-V) 0.017

* 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.