All names: Gaia DR3 823514280556236032, SBSS 0956+492, Gaia DR2 823514280556236032, SDSS J095923.23+485824.9, SBSS0956+492, USNO-B1.0 1389-00207006, GALEX J095923.2+485825
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 09 59 23.20 | 09 59 23.25 (0.05) | ||
Declination | 48 58 24.93 | 48 58 25.00 (0.04) | ||
Spectral type | sdB | sdB | ||
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] | 0.32 (0.1) | 0.25 (0.07) | |
Distance | [pc] | 3159.56 (964) | 3971.41 (1085) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -0.038 (0.1) | -0.099 (0.07) | |
Proper motion (declination) | [mas/yr] | -6.893 (0.2) | -6.673 (0.07) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 17.00 | |||
V magnitude | ||||
R magnitude | 17.20 | |||
I magnitude | ||||
J magnitude | ||||
H magnitude | ||||
K magnitude | ||||
u magnitude | 17.33 (0.009) | 17.33 (0.02) | ||
g magnitude | 17.04 (0.004) | 17.07 (0.02) | ||
r magnitude | 17.39 (0.005) | 17.41 (0.03) | ||
i magnitude | 17.68 (0.007) | 17.72 (0.03) | ||
z magnitude | 17.90 (0.02) | 17.94 (0.03) | ||
G magnitude | 17.26 (0.001) | 17.24 (0.003) | ||
BP magnitude | 17.15 (0.006) | |||
RP magnitude | 17.36 (0.006) | |||
Pan g magnitude | 17.11 (0.005) | |||
Pan r magnitude | 17.42 (0.004) | |||
Pan i magnitude | 17.71 (0.003) | |||
Pan z magnitude | 17.93 (0.009) | |||
Pan y magnitude | 17.96 (0.02) | |||
E(B-V) | 0.021 |
* 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.