All names: SDSS J095316.90+153341.6, Gaia EDR3 616743220508208896, PG0950+158, GALEX J095316.9+153342, UCAC4 528-051261, Gaia DR2 616743220508208896, PG 0950+158, TIC 337696033, LAMOST J095316.95+153342.1, 2MASS J09531692+1533419, Gaia DR3 616743220508208896, WISE J095316.88+153341.8
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 09 53 16.90 (0.05) | 09 53 16.89 | 09 53 16.90 (0.05) | ||
Declination | 15 33 41.52 (0.04) | 15 33 42.71 | 15 33 41.78 (0.04) | ||
Spectral type | He-sdOB | sdOBHe | |||
Effective temperature | [K] | 41010.0 (10) | |||
log(g) | [cgs] | 5.66 (0.05) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 0.52 (0.07) | 0.33 (0.1) | 0.52 (0.07) | |
Distance | [pc] | 1920.49 (255) | 3052.50 (1237) | 1920.49 (255) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -0.876 (0.06) | -0.815 (0.2) | -0.876 (0.06) | |
Proper motion (declination) | [mas/yr] | -16.016 (0.04) | -15.771 (0.1) | -16.016 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 15.34 (0.04) | ||||
V magnitude | 15.50 (0.01) | ||||
R magnitude | 15.92 (0.3) | ||||
I magnitude | |||||
J magnitude | 16.32 (0.09) | 16.32 (0.09) | |||
H magnitude | 16.46 (0.2) | 16.46 (0.2) | |||
K magnitude | 15.77 | ||||
u magnitude | 14.82 (0.004) | 14.85 (0.02) | |||
g magnitude | 15.20 (0.003) | 15.24 (0.02) | |||
r magnitude | 15.75 (0.004) | 15.79 (0.01) | |||
i magnitude | 16.11 (0.004) | 16.07 (0.03) | |||
z magnitude | 16.43 (0.008) | 16.42 (0.02) | |||
G magnitude | 15.50 (0.003) | 15.52 (0.0009) | 15.50 (0.003) | ||
BP magnitude | 15.35 (0.004) | 15.31 (0.01) | |||
RP magnitude | 15.80 (0.006) | 15.80 (0.004) | |||
Pan g magnitude | 15.34 (0.005) | ||||
Pan r magnitude | 15.77 (0.002) | ||||
Pan i magnitude | 16.15 (0.004) | ||||
Pan z magnitude | 16.42 (0.004) | ||||
Pan y magnitude | 16.61 (0.006) | ||||
E(B-V) | 0.024 |
* 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.