WD 1406+002

All names: Gaia DR3 3660065988852202496, SDSS J140916.34-000011.2, Gaia EDR3 3660065988852202496, 2SLAQ J140916.34-000011.3, Gaia DR2 3660065988852202496, [VV2003b] J140916.4-000012, USNO-B1.0 0899-00228256, 2QZ J140916.3-000012, SDSS J140916.33-000011.3, MGC 56986, SDSS J140916.33-000011.2, GSC2.3 S6SH007855, GALEX J140916.3-000010, SDSS J140916.34-000011.3, WD 1406+002

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Harris et al. 2003 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 14 09 16.29 (0.2) 14 09 16.34 14 09 16.30 (0.2) 14 09 16.29 14 09 16.34 (0.2) 14 09 16.34 14 09 15.70 14 09 16.34
Declination -00 00 11.42 (0.1) -00 00 11.32 -00 00 11.41 (0.2) -00 00 11.42 -00 00 11.32 (0.1) -00 00 11.30 -00 00 15.84 -00 00 11.29
Spectral type DC DC DC DC DC DC DC DC DC
Effective temperature [K] 7975.0 7712.0 7488.0 (268) 10082.0 (6) 10082.0 (6)
log(g) [cgs] 8.28 8.20 8.07 (0.06) 7.83 (0.5) 9.53 (0.5)
Mass [M] 0.77 0.698 0.615 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 1.7530 1.6240
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.74 (0.2) 8.76 (0.2) 8.74 8.74 (0.2)
Distance [pc] 114.45 (3) 114.17 (3) 114.45 114.45 (3)
Composition
Proper motion (right ascension) [mas/yr] -38.11870299 (0.3) -38.28349374 (0.5) -38.119 (0.3) -33.9
Proper motion (declination) [mas/yr] -5.863879835 (0.2) -6.064571227 (0.4) -5.864 (0.2) -9.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10 (0.4)
V magnitude 18.84
R magnitude 18.51 (0.4)
I magnitude 18.29 (0.5)
J magnitude 19.38 (0.07)
H magnitude 19.53 (0.1)
K magnitude
u magnitude 19.17 (0.02) 19.14 19.17 (0.02) 19.16 (0.02) 19.15 19.17 (0.02)
g magnitude 18.78 (0.008) 18.79 18.78 (0.008) 18.80 (0.02) 18.79 18.80 (0.02)
r magnitude 18.65 (0.009) 18.65 18.65 (0.009) 18.66 (0.02) 18.65 18.66 (0.02)
i magnitude 18.72 (0.01) 18.70 18.72 (0.01) 18.70 (0.02) 18.70 18.72 (0.02)
z magnitude 18.82 (0.04) 18.80 18.82 (0.04) 18.80 (0.04) 18.81 18.82 (0.04)
G magnitude 18.64 (0.04) 18.68 18.64 18.64 (0.004)
BP magnitude 18.78 (0.04) 18.70
RP magnitude 18.42 (0.02) 18.43
Pan g magnitude 18.77 (0.006)
Pan r magnitude 18.69 (0.007)
Pan i magnitude 18.74 (0.006)
Pan z magnitude 18.82 (0.01)
Pan y magnitude 18.92 (0.05)
E(B-V) 0.012

* 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.