All names: Gaia DR2 590618064022891904, SDSS J091547.74+085514.5, SDSS J091547.75+085514.5, GALEX J091547.7+085515, Gaia DR3 590618064022891904
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 09 15 47.76 (0.4) | ||
Declination | 08 55 14.60 (0.3) | ||
Spectral type | DC | ||
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] | 4.16 (0.4) | |
Distance | [pc] | 240.16 (25) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | -25.635 (0.5) | |
Proper motion (declination) | [mas/yr] | -6.059 (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 | 19.87 (0.04) | ||
g magnitude | 19.67 (0.01) | ||
r magnitude | 19.69 (0.02) | ||
i magnitude | 19.93 (0.03) | ||
z magnitude | 20.01 (0.1) | ||
G magnitude | 19.65 (0.005) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.018 |
* 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.