All names: UCAC4 543-050247, SDSS J095058.04+182618.5, SDSS J095058.05+182618.5, Gaia EDR3 627130616093753600, Gaia DR2 627130616093753600, GALEX J095058.1+182618, LAMOST J095058.04+182618.5, 2MASS J09505806+1826185, PG0948+187, Gaia DR3 627130616093753600, TIC 88049365, SDSS J095058.05+182618.46, SDSS J095058.05+182618.4
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 50 58.05 (0.07) | 09 50 58.06 | 09 50 58.07 | 09 50 58.05 (0.2) | 09 50 58.06 (0.07) | ||||
Declination | 18 26 18.39 (0.05) | 18 26 18.56 | 18 26 19.29 | 18 26 18.40 (0.09) | 18 26 18.62 (0.05) | ||||
Spectral type | sdOB | sdO | sdO | ||||||
Effective temperature | [K] | 35340.0 (970) | 35000.0 (146) | ||||||
log(g) | [cgs] | 5.85 (0.2) | 5.81 (0.03) | ||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.63 (0.08) | 0.51 (0.2) | 0.51 (0.2) | 0.63 (0.08) | ||||
Distance | [pc] | 1598.70 (214) | 1958.86 (886) | 1958.70 (886) | 1598.72 (214) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -2.715583191 (0.08) | -2.507 (0.2) | -2.507321112 (0.2) | -2.716 (0.08) | ||||
Proper motion (declination) | [mas/yr] | -14.38631083 (0.06) | -14.275 (0.2) | -14.27466396 (0.2) | -14.386 (0.06) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | 16.48 (0.9) | ||||||||
V magnitude | 16.40 (0.4) | ||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | 16.30 (0.08) | 16.30 (0.08) | |||||||
H magnitude | 15.87 (0.1) | 15.87 (0.1) | |||||||
K magnitude | 15.68 (0.2) | 15.68 (0.2) | |||||||
u magnitude | 15.56 (0.005) | 15.56 (0.005) | 15.57 (0.02) | 15.56 (0.005) | |||||
g magnitude | 15.87 (0.004) | 15.87 (0.004) | 15.87 (0.02) | 15.87 (0.004) | |||||
r magnitude | 16.31 (0.004) | 16.31 (0.004) | 16.31 (0.02) | 16.31 (0.004) | |||||
i magnitude | 16.55 (0.005) | 16.55 (0.005) | 16.56 (0.02) | 16.55 (0.005) | |||||
z magnitude | 16.77 (0.01) | 16.77 (0.01) | 16.76 (0.02) | 16.77 (0.01) | |||||
G magnitude | 16.09 (0.003) | 16.12 (0.002) | 16.12 | 16.09 (0.003) | |||||
BP magnitude | 15.99 (0.003) | 15.95 (0.01) | 15.95 | ||||||
RP magnitude | 16.26 (0.006) | 16.26 (0.008) | 16.26 | ||||||
Pan g magnitude | 15.97 (0.003) | 15.97 (0.003) | |||||||
Pan r magnitude | 16.32 (0.003) | 16.32 (0.003) | |||||||
Pan i magnitude | 16.60 (0.004) | 16.60 (0.004) | |||||||
Pan z magnitude | 16.78 (0.006) | 16.79 (0.006) | |||||||
Pan y magnitude | 16.87 (0.009) | 16.87 (0.009) | |||||||
E(B-V) | 0.023 |
* 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.