All names: KUV 09477+3930, Gaia DR2 800404096625805056, SDSS J095043.95+391541.6, Gaia DR3 800404096625805056, GALEX J095043.9+391542, 2MASS J09504393+3915416, SDSS J095043.94+391541.62, Gaia EDR3 800404096625805056, TIC 67647608, SDSS J095043.94+391541.6, 2XMM J095043.7+391540
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 50 43.93 (0.07) | 09 50 43.96 | 09 50 43.93 (0.2) | 09 50 43.93 | 09 50 43.96 (0.07) | ||||||
| Declination | 39 15 41.63 (0.08) | 39 15 41.66 | 39 15 41.64 (0.3) | 39 15 41.63 | 39 15 41.66 (0.08) | ||||||
| Spectral type | DA+M | DA+M3 | DA | DA+dM | CV | ||||||
| Effective temperature | [K] | 41462.0 (2694) | 53475.0 (1476) | ||||||||
| log(g) | [cgs] | 7.57 (0.3) | 8.43 (0.09) | ||||||||
| Mass | [M☉] | 0.49 (0.1) | 0.906 (0.05) | ||||||||
| log(Luminosity) | [L☉] | -0.02 (0.2) | |||||||||
| Cooling age | [Gyr] | 0.0021 (0.001) | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | |||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | |||||||||||
| log(P/H) | |||||||||||
| log(S/H) | |||||||||||
| log(Sc/H) | |||||||||||
| log(Ti/H) | |||||||||||
| log(Cr/H) | |||||||||||
| log(Mn/H) | |||||||||||
| log(Fe/H) | |||||||||||
| log(Ni/H) | |||||||||||
| Parallax | [mas] | 2.20 (0.09) | 2.42 (0.2) | 2.20 | 2.20 (0.09) | ||||||
| Distance | [pc] | 454.44 (18) | 413.12 (28) | 454.44 | 454.44 (18) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -20.75475952 (0.08) | -20.10527573 (0.3) | -20.755 (0.08) | |||||||
| Proper motion (declination) | [mas/yr] | -1.81297236 (0.1) | -3.10993002 (0.5) | -1.813 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.00 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.64 (0.06) | ||||||||||
| H magnitude | 15.07 (0.07) | ||||||||||
| K magnitude | 15.07 (0.1) | ||||||||||
| u magnitude | 16.98 (0.007) | 16.97 (0.01) | 16.98 (0.007) | ||||||||
| g magnitude | 17.29 (0.005) | 17.29 (0.01) | 17.29 (0.005) | ||||||||
| r magnitude | 17.54 (0.006) | 17.54 (0.02) | 17.54 (0.006) | ||||||||
| i magnitude | 17.20 (0.006) | 17.21 (0.01) | 17.20 (0.006) | ||||||||
| z magnitude | 16.80 (0.009) | 16.81 (0.02) | 16.80 (0.009) | ||||||||
| G magnitude | 17.21 (0.006) | 17.23 | 17.21 | 17.21 (0.003) | |||||||
| BP magnitude | 17.35 (0.006) | 17.27 | |||||||||
| RP magnitude | 16.79 (0.006) | 16.78 | |||||||||
| Pan g magnitude | 17.33 (0.01) | ||||||||||
| Pan r magnitude | 17.54 (0.005) | ||||||||||
| Pan i magnitude | 17.22 (0.004) | ||||||||||
| Pan z magnitude | 16.86 (0.003) | ||||||||||
| Pan y magnitude | 16.67 (0.006) | ||||||||||
| 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.