All names: Gaia DR3 684423207784256384, GALEX J081529.1+290354, SDSS J081529.00+290355.8, Gaia DR2 684423207784256384
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 08 15 29.00 (0.3) | ||
Declination | 29 03 55.78 (0.2) | ||
Spectral type | D+? | ||
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] | 0.14 (0.4) | |
Distance | [pc] | 7007.71 (17846) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 1.075 (0.4) | |
Proper motion (declination) | [mas/yr] | -4.799 (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 | 21.75 (0.2) | ||
g magnitude | 20.34 (0.02) | ||
r magnitude | 19.35 (0.01) | ||
i magnitude | 18.63 (0.01) | ||
z magnitude | 18.25 (0.03) | ||
G magnitude | 19.28 (0.006) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.028 |
* 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.