All names: Gaia DR2 661704961092272384, GALEX J085006.4+204852, SDSS J085006.53+204851.2, Gaia DR3 661704965389099776, Gaia EDR3 661704965389099776
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|
Right ascension | 08 50 06.50 (0.3) | 08 50 06.50 | 08 50 06.55 (0.3) | |||
Declination | 20 48 51.21 (0.2) | 20 48 51.21 | 20 48 51.32 (0.2) | |||
Spectral type | DA: | DC | DC | |||
Effective temperature | [K] | 8835.0 (517) | ||||
log(g) | [cgs] | 8.20 (0.1) | ||||
Mass | [M☉] | 0.722 (0.1) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 4.75 (0.5) | 4.75 | 4.75 (0.5) | ||
Distance | [pc] | 210.59 (21) | 210.59 | 210.59 (21) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | -38.349 (0.4) | -38.349 (0.4) | |||
Proper motion (declination) | [mas/yr] | -6.871 (0.3) | -6.871 (0.3) | |||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | ||||||
V magnitude | ||||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | ||||||
H magnitude | ||||||
K magnitude | ||||||
u magnitude | 19.90 (0.03) | |||||
g magnitude | 19.57 (0.01) | |||||
r magnitude | 19.57 (0.01) | |||||
i magnitude | 19.62 (0.02) | |||||
z magnitude | 19.64 (0.07) | |||||
G magnitude | 19.56 (0.004) | 19.56 | 19.56 (0.004) | |||
BP magnitude | 19.72 (0.03) | |||||
RP magnitude | 19.38 (0.04) | |||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.011 |
* 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.