All names: 2SLAQ J004646.94-003711.4, GALEX J004646.9-003711, Gaia EDR3 2530931078282263936, SDSS J004646.94-003711.5, SDSS J004646.95-003711.4, SDSS J004646.94-003711.4, Gaia DR3 2530931078282263936, Gaia DR2 2530931078282263936, WD 0044-008, SDSS J004646.95-003711.5
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 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 00 46 46.99 (0.3) | 00 46 46.95 | 00 46 46.99 (0.4) | 00 46 46.94 (0.3) | 00 46 46.95 | 00 46 46.58 | 00 46 46.95 | |||||
Declination | -00 37 11.17 (0.2) | -00 37 11.53 | -00 37 11.18 (0.3) | -00 37 11.61 (0.2) | -00 37 11.46 | -00 37 07.32 | -00 37 11.49 | |||||
Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 9442.0 | 9786.0 (114) | 9573.0 (120) | ||||||||
log(g) | [cgs] | 8.24 | 8.26 (0.2) | 8.16 (0.2) | ||||||||
Mass | [M☉] | 0.751 | 0.691 (0.1) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.9985 | ||||||||||
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] | 4.26 (0.3) | 4.65 (0.5) | 4.26 (0.3) | ||||||||
Distance | [pc] | 234.75 (17) | 214.98 (22) | 234.75 (17) | ||||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 40.06866528 (0.4) | 39.93933224 (1) | 40.069 (0.4) | 44.7 | |||||||
Proper motion (declination) | [mas/yr] | 27.84239769 (0.4) | 27.95143169 (0.5) | 27.842 (0.4) | 34.8 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 19.84 (0.04) | 19.84 (0.04) | 19.87 (0.04) | 19.86 | 19.83 (0.04) | |||||||
g magnitude | 19.44 (0.01) | 19.44 (0.01) | 19.43 (0.03) | 19.43 | 19.42 (0.03) | |||||||
r magnitude | 19.49 (0.02) | 19.49 (0.01) | 19.45 (0.03) | 19.45 | 19.44 (0.03) | |||||||
i magnitude | 19.57 (0.02) | 19.57 (0.02) | 19.53 (0.02) | 19.53 | 19.51 (0.02) | |||||||
z magnitude | 19.68 (0.08) | 19.68 (0.08) | 19.71 (0.09) | 19.71 | 19.69 (0.08) | |||||||
G magnitude | 19.42 (0.04) | 19.45 | 19.42 (0.004) | |||||||||
BP magnitude | 19.52 (0.04) | 19.50 | ||||||||||
RP magnitude | 19.36 (0.06) | 19.28 | ||||||||||
Pan g magnitude | 19.43 (0.02) | |||||||||||
Pan r magnitude | 19.47 (0.008) | |||||||||||
Pan i magnitude | 19.57 (0.01) | |||||||||||
Pan z magnitude | 19.71 (0.04) | |||||||||||
Pan y magnitude | 19.93 (0.07) | |||||||||||
E(B-V) | 0.018 |
* 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.