All names: SDSS J005019.87+005925.9, SDSS J005019.88+005925.9, WD 0047+007, GALEX J005019.9+005926, Gaia DR2 2537211080678769664, Gaia DR3 2537211080678769536, Gaia EDR3 2537211080678769536
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 50 19.91 (0.5) | 00 50 19.88 | 00 50 19.90 (0.6) | 00 50 19.88 (0.5) | 00 50 19.87 | 00 50 19.97 | 00 50 19.88 | |||||
Declination | 00 59 25.90 (0.2) | 00 59 25.91 | 00 59 25.90 (0.5) | 00 59 25.93 (0.2) | 00 59 25.97 | 00 59 25.44 | 00 59 25.95 | |||||
Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 7907.0 | 8555.0 (189) | 8392.0 (193) | ||||||||
log(g) | [cgs] | 7.52 | 7.42 (0.4) | 7.39 (0.4) | ||||||||
Mass | [M☉] | 0.354 | 0.353 (0.1) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.6547 | ||||||||||
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] | 3.85 (0.5) | 3.05 (0.7) | 3.85 (0.5) | ||||||||
Distance | [pc] | 259.49 (35) | 327.41 (72) | 259.49 (35) | ||||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 27.30365412 (0.7) | 29.20009676 (1) | 27.304 (0.7) | 8.1 | |||||||
Proper motion (declination) | [mas/yr] | -2.288118871 (0.7) | -2.512344597 (1) | -2.288 (0.7) | -6.5 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 20.48 (0.05) | 20.48 (0.05) | 20.45 (0.08) | 20.45 | 20.43 (0.08) | |||||||
g magnitude | 19.99 (0.02) | 19.99 (0.02) | 20.08 (0.03) | 20.08 | 20.06 (0.03) | |||||||
r magnitude | 19.96 (0.02) | 19.96 (0.02) | 19.97 (0.04) | 19.96 | 19.95 (0.04) | |||||||
i magnitude | 20.08 (0.03) | 20.08 (0.03) | 20.01 (0.04) | 20.00 | 19.98 (0.04) | |||||||
z magnitude | 20.08 (0.1) | 20.08 (0.1) | 20.43 (0.2) | 20.42 | 20.42 (0.2) | |||||||
G magnitude | 19.92 (0.09) | 19.96 | 19.92 (0.005) | |||||||||
BP magnitude | 20.13 (0.09) | 20.05 | ||||||||||
RP magnitude | 20.00 (0.08) | 19.57 | ||||||||||
Pan g magnitude | 20.03 (0.02) | |||||||||||
Pan r magnitude | 19.96 (0.01) | |||||||||||
Pan i magnitude | 20.01 (0.01) | |||||||||||
Pan z magnitude | 20.09 (0.05) | |||||||||||
Pan y magnitude | 19.92 (0.2) | |||||||||||
E(B-V) | 0.021 |
* 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.