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
Spectra without link are available upon request
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.