All names: GALEX J080436.9+260541, SDSS J080436.95+260540.6, SDSS J080436.94+260540.6, Gaia DR2 681975488742981632, Gaia DR3 681975488742981632
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 08 04 36.95 (0.8) | ||
Declination | 26 05 40.64 (0.5) | ||
Spectral type | DB | ||
Effective temperature | [K] | ||
log(g) | [cgs] | ||
Mass | [M☉] | ||
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 1.16 (0.8) | |
Distance | [pc] | 863.33 (606) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | -2.255 (1) | |
Proper motion (declination) | [mas/yr] | -3.204 (0.6) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | 20.29 (0.06) | ||
g magnitude | 20.45 (0.03) | ||
r magnitude | 20.65 (0.04) | ||
i magnitude | 20.85 (0.07) | ||
z magnitude | 21.93 | ||
G magnitude | 20.52 (0.009) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.035 |
* 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.