All names: Gaia EDR3 656008941105170816, GALEX J082324.3+164815, SDSS J082324.36+164814.2, WIRED J082324.36+164814.2, SDSS J082324.35+164814.1, SDSS J082324.35+164814.2, Gaia DR2 656008941105170816, SDSS J082324.36+164814.1, Gaia DR3 656008941105170816
Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 23 24.35 (0.1) | 08 23 24.36 | 08 23 24.35 (0.2) | 08 23 24.35 | 08 23 24.36 (0.1) | 08 23 24.36 | ||||
Declination | 16 48 13.99 (0.09) | 16 48 14.17 | 16 48 14.00 (0.1) | 16 48 13.99 | 16 48 14.32 (0.09) | 16 48 14.21 | ||||
Spectral type | DA | DA | DA | DA | DA | |||||
Effective temperature | [K] | 8930.0 | 8980.0 (212) | 12438.0 (163) | ||||||
log(g) | [cgs] | 7.16 | 7.26 (0.06) | 7.87 (0.08) | ||||||
Mass | [M☉] | 0.246 | 0.272 (0.03) | 0.54 (0.04) | ||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.3645 | ||||||||
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] | 4.35 (0.2) | 4.29 (0.2) | 4.35 | 4.35 (0.2) | |||||
Distance | [pc] | 229.63 (9) | 232.93 (12) | 229.63 | 229.63 (9) | |||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -9.509299949 (0.2) | -9.118212902 (0.4) | -9.509 (0.2) | ||||||
Proper motion (declination) | [mas/yr] | -20.847983 (0.1) | -20.9815544 (0.2) | -20.848 (0.1) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 18.70 (0.02) | 18.70 (0.02) | 18.74 (0.03) | |||||||
g magnitude | 18.23 (0.006) | 18.23 (0.006) | 18.27 (0.02) | |||||||
r magnitude | 18.34 (0.008) | 18.34 (0.008) | 18.42 (0.02) | |||||||
i magnitude | 18.43 (0.01) | 18.43 (0.01) | 18.54 (0.02) | |||||||
z magnitude | 18.48 (0.03) | 18.48 (0.03) | 18.59 (0.04) | |||||||
G magnitude | 18.42 (0.02) | 18.41 | 18.42 | 18.42 (0.003) | ||||||
BP magnitude | 18.38 (0.02) | 18.33 | ||||||||
RP magnitude | 18.12 (0.02) | 18.10 | ||||||||
Pan g magnitude | ||||||||||
Pan r magnitude | ||||||||||
Pan i magnitude | ||||||||||
Pan z magnitude | ||||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.013 |
* 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.