All names: LAMOST J080357.21+334138.6, Gaia DR2 905332587207383936, Gaia DR3 905332587207383936, GALEX J080357.2+334138, Gaia EDR3 905332587207383936, SDSS J080357.25+334138.3, SDSS J080357.24+334138.4
Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|---|
Right ascension | 08 03 57.27 (0.1) | 08 03 57.27 | 08 03 57.24 (0.1) | |||
Declination | 33 41 38.26 (0.1) | 33 41 38.26 | 33 41 38.41 (0.1) | |||
Spectral type | DA | DA | DA | |||
Effective temperature | [K] | 10450.0 (294) | ||||
log(g) | [cgs] | 7.48 (0.06) | ||||
Mass | [M☉] | 0.352 (0.03) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 4.05 (0.1) | 4.05 | 4.05 (0.1) | ||
Distance | [pc] | 246.99 (9) | 246.98 | 246.99 (9) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | 24.945 (0.2) | 24.945 (0.2) | |||
Proper motion (declination) | [mas/yr] | -9.229 (0.1) | -9.229 (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) | |||||
g magnitude | 18.21 (0.007) | |||||
r magnitude | 18.35 (0.008) | |||||
i magnitude | 18.52 (0.01) | |||||
z magnitude | 18.68 (0.03) | |||||
G magnitude | 18.27 (0.003) | 18.27 | 18.27 (0.003) | |||
BP magnitude | 18.35 (0.02) | |||||
RP magnitude | 18.25 (0.02) | |||||
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.