All names: SDSS J233050.00+142653.3, SDSS J233050.01+142652.9, Gaia EDR3 2813391187348260480, GALEX J233049.9+142652, SDSS J233050.01+142652.95, Gaia DR2 2813391187348260480, SDSS J233050.00+142652.9, Gaia DR3 2813391187348260480
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 30 50.01 (0.1) | 23 30 50.00 | 23 30 50.01 (0.1) | 23 30 50.00 (0.1) | |||||||
Declination | 14 26 52.83 (0.08) | 14 26 53.35 | 14 26 52.85 (0.09) | 14 26 53.39 (0.08) | |||||||
Spectral type | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 32410.0 (208) | 22356.0 | 32132.0 (136) | |||||||
log(g) | [cgs] | 7.15 (0.04) | 6.23 | 7.21 (0.03) | |||||||
Mass | [M☉] | 0.33 (0.01) | 0.137 | 0.39507 (0.01) | |||||||
log(Luminosity) | [L☉] | -0.20 (0.03) | |||||||||
Cooling age | [Gyr] | 0.0002 (0.0001) | |||||||||
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] | 1.16 (0.1) | 0.98 (0.2) | 1.16 (0.1) | |||||||
Distance | [pc] | 860.79 (97) | 1020.03 (193) | 860.81 (97) | |||||||
Composition | H | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 8.475856253 (0.2) | 8.620569544 (0.3) | 8.476 (0.2) | |||||||
Proper motion (declination) | [mas/yr] | -34.84077677 (0.09) | -34.81034279 (0.2) | -34.841 (0.09) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | 18.29 (0.07) | ||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 17.44 (0.009) | 17.43 (0.02) | 17.44 (0.009) | ||||||||
g magnitude | 17.71 (0.005) | 17.67 (0.02) | 17.71 (0.005) | ||||||||
r magnitude | 18.09 (0.007) | 18.07 (0.03) | 18.09 (0.007) | ||||||||
i magnitude | 18.40 (0.01) | 18.40 (0.07) | 18.39 (0.01) | ||||||||
z magnitude | 18.71 (0.03) | 18.66 (0.07) | 18.69 (0.03) | ||||||||
G magnitude | 17.88 (0.007) | 17.91 | 17.88 (0.003) | ||||||||
BP magnitude | 17.76 (0.007) | 17.70 | |||||||||
RP magnitude | 18.05 (0.02) | 18.06 | |||||||||
Pan g magnitude | 17.70 (0.004) | ||||||||||
Pan r magnitude | 18.08 (0.004) | ||||||||||
Pan i magnitude | 18.47 (0.03) | ||||||||||
Pan z magnitude | 18.70 (0.01) | ||||||||||
Pan y magnitude | 18.85 (0.04) | ||||||||||
E(B-V) | 0.060 |
* 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.