All names: Gaia DR2 608589478499589120, SDSS J085536.62+134335.5, Gaia DR3 608589478499589120, SDSS J085536.63+134335.5, GALEX J085536.6+134336, LAMOST J085536.64+134336.0, Gaia EDR3 608589478499589120
Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|---|
Right ascension | 08 55 36.63 (0.1) | 08 55 36.63 | 08 55 36.63 (0.1) | |||
Declination | 13 43 35.51 (0.08) | 13 43 35.51 | 13 43 35.63 (0.08) | |||
Spectral type | DA | DA | DA | |||
Effective temperature | [K] | 20945.0 (1230) | ||||
log(g) | [cgs] | 8.27 (0.07) | ||||
Mass | [M☉] | 0.79 (0.06) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 3.85 (0.2) | 3.85 | 3.85 (0.2) | ||
Distance | [pc] | 259.97 (11) | 259.97 | 259.97 (11) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | -8.17 (0.2) | -8.17 (0.2) | |||
Proper motion (declination) | [mas/yr] | -7.569 (0.2) | -7.569 (0.2) | |||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | ||||||
V magnitude | ||||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | ||||||
H magnitude | ||||||
K magnitude | ||||||
u magnitude | 18.51 (0.02) | |||||
g magnitude | 18.11 (0.006) | |||||
r magnitude | 18.43 (0.008) | |||||
i magnitude | 18.73 (0.01) | |||||
z magnitude | 18.95 (0.04) | |||||
G magnitude | 18.32 (0.003) | 18.32 | 18.32 (0.003) | |||
BP magnitude | 18.18 (0.01) | |||||
RP magnitude | 18.30 (0.02) | |||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.017 |
* 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.