WD 1039+008

All names: [VV2003b] J104134.7+003711, USNO-B1.0 0906-00193692, WD 1039+008, Gaia DR2 3807289427580505344, SDSS J104134.62+003711.5, Gaia EDR3 3807289427580505344, SDSS J104134.63+003711.5, 2QZ J104134.6+003711, GALEX J104134.6+003710, SDSS J104134.62+003711.6, Gaia DR3 3807289427580505344

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 41 34.58 (0.4) 10 41 34.62 10 41 34.59 (0.7) 10 41 34.62 (0.4) 10 41 34.62 10 41 34.06 10 41 34.63
Declination 00 37 11.41 (0.4) 00 37 11.62 00 37 11.42 (0.8) 00 37 11.58 (0.4) 00 37 11.62 00 37 05.88 00 37 11.52
Spectral type DC DC DC DC DC DC:M: DC
Effective temperature [K] 9747.0 10014.0 11021.0 (359) 11004.0 (418)
log(g) [cgs] 7.54 7.50 8.45 (0.4) 9.28 (0.5)
Mass [M] 0.369 0.337
log(Luminosity) [L]
Cooling age [Gyr] 0.3897 0.3652
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.37 (0.4) 2.47 (1) 3.37 (0.4)
Distance [pc] 297.13 (36) 405.20 (191) 297.13 (36)
Composition
Proper motion (right ascension) [mas/yr] -32.64101842 (0.4) -32.04718463 (1) -32.641 (0.4) -32.5
Proper motion (declination) [mas/yr] -10.49172038 (0.4) -8.778762343 (0.9) -10.492 (0.4) -6.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.80
V magnitude
R magnitude 19.90
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.73 (0.03) 19.73 (0.03) 19.73 (0.04) 19.75 19.75 (0.04)
g magnitude 19.62 (0.01) 19.62 (0.01) 19.61 (0.02) 19.67 19.62 (0.02)
r magnitude 19.74 (0.02) 19.74 (0.02) 19.73 (0.02) 19.70 19.74 (0.02)
i magnitude 19.90 (0.03) 19.90 (0.03) 19.89 (0.03) 19.87 19.92 (0.03)
z magnitude 20.24 (0.1) 20.24 (0.1) 20.15 (0.1) 19.95 20.18 (0.1)
G magnitude 19.67 (0.03) 19.72 19.67 (0.005)
BP magnitude 19.70 (0.03) 19.58
RP magnitude 19.64 (0.1) 19.45
Pan g magnitude 19.64 (0.01)
Pan r magnitude 19.74 (0.007)
Pan i magnitude 19.87 (0.03)
Pan z magnitude 20.03 (0.03)
Pan y magnitude 20.08 (0.06)
E(B-V) 0.025

* 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.