All names: Gaia EDR3 1291481410184183552, WD 1502+349, Gaia DR2 1291481410184183552, CBS 223, FBS B 559, GALEX J150431.8+344700, FBS 1502+349, Gaia DR3 1291481410184183552, SDSS J150431.85+344700.1, ** FAR 43A, WDS J15045+3447A
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 15 04 31.86 (0.03) | 15 04 31.86 (0.04) | 15 04 31.86 | 15 04 31.85 (0.03) | 15 04 31.34 | |||
Declination | 34 46 59.95 (0.04) | 34 46 59.96 (0.04) | 34 46 59.95 | 34 47 00.26 (0.04) | 34 46 58.44 | |||
Spectral type | DA | DA | DA2.3 | DA | ||||
Effective temperature | [K] | 22300.0 (391) | 21194.0 (375) | |||||
log(g) | [cgs] | 7.97 (0.05) | 7.95 (0.02) | |||||
Mass | [M☉] | 0.61 (0.03) | 0.599 (0.01) | |||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
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] | 6.38 (0.05) | 6.21 (0.06) | 6.38 | 6.38 (0.05) | |||
Distance | [pc] | 156.84 (1) | 160.91 (2) | 124.00 | 156.84 | 156.84 (1) | ||
Composition | H | |||||||
Proper motion (right ascension) | [mas/yr] | 8.533568652 (0.04) | 8.557413529 (0.08) | 8.534 (0.04) | ||||
Proper motion (declination) | [mas/yr] | -19.5771726 (0.06) | -19.47812313 (0.09) | -19.577 (0.06) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | ||||||||
H magnitude | 14.77 (0.06) | |||||||
K magnitude | ||||||||
u magnitude | 16.43 (0.007) | |||||||
g magnitude | 16.41 (0.005) | |||||||
r magnitude | 16.79 (0.005) | |||||||
i magnitude | 17.07 (0.006) | |||||||
z magnitude | 17.39 (0.01) | |||||||
G magnitude | 16.62 (0.004) | 16.64 | 16.62 | 16.62 (0.003) | ||||
BP magnitude | 16.53 (0.004) | 16.49 | ||||||
RP magnitude | 16.73 (0.02) | 16.71 | ||||||
Pan g magnitude | ||||||||
Pan r magnitude | ||||||||
Pan i magnitude | ||||||||
Pan z magnitude | ||||||||
Pan y magnitude | ||||||||
E(B-V) | 0.019 |
* 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.