All names: 2MASS J10121323+0640312, Gaia EDR3 3873745971947175168, SDSS J101213.21+064030.7, PG 1009+069, GALEX J101213.2+064029, TIC 411184872, SDSS J101213.20+064030.7, UCAC4 484-049439, Gaia DR2 3873745971947175168, PG1009+069, Gaia DR3 3873745971947175168
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 12 13.19 (0.06) | 10 12 13.21 | 10 12 13.28 | 10 12 13.19 (0.08) | 10 12 13.22 (0.06) | 10 12 13.21 | |||
| Declination | 06 40 30.60 (0.07) | 06 40 30.75 | 06 40 31.37 | 06 40 30.61 (0.08) | 06 40 30.77 (0.07) | 06 40 30.73 | |||
| Spectral type | sdO | sdOB | SDO | ||||||
| Effective temperature | [K] | 58474.0 (6000) | 45694.0 (663) | ||||||
| log(g) | [cgs] | 5.62 (0.2) | 5.58 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.46 (0.07) | 0.73 (0.1) | 0.73 (0.1) | 0.46 (0.07) | ||||
| Distance | [pc] | 2162.65 (312) | 1366.68 (180) | 1366.68 (180) | 2162.63 (312) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -20.14315259 (0.08) | -20.047 (0.1) | -20.047 (0.1) | -20.143 (0.09) | -22.4 | |||
| Proper motion (declination) | [mas/yr] | -10.47385313 (0.09) | -10.974 (0.1) | -10.974 (0.1) | -10.474 (0.09) | -8.3 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.40 (0.1) | ||||||||
| V magnitude | 15.67 (0.01) | ||||||||
| R magnitude | 16.11 (0.2) | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.27 (0.1) | 16.42 (0.02) | |||||||
| H magnitude | 16.07 (0.2) | 16.50 (0.02) | |||||||
| K magnitude | 16.78 | 16.61 (0.04) | |||||||
| u magnitude | 14.93 (0.004) | 14.93 (0.004) | 14.93 (0.004) | 14.93 (0.01) | |||||
| g magnitude | 15.31 (0.004) | 15.31 (0.004) | 15.31 (0.004) | 15.31 (0.02) | |||||
| r magnitude | 15.85 (0.004) | 15.85 (0.004) | 15.85 (0.004) | 15.86 (0.02) | |||||
| i magnitude | 16.22 (0.005) | 16.22 (0.005) | 16.22 (0.005) | 16.23 (0.03) | |||||
| z magnitude | 16.58 (0.009) | 16.58 (0.009) | 16.58 (0.009) | 16.59 (0.03) | |||||
| G magnitude | 15.60 (0.003) | 15.61 (0.001) | 15.61 | 15.60 (0.003) | |||||
| BP magnitude | 15.43 (0.003) | 15.36 (0.01) | 15.36 | ||||||
| RP magnitude | 15.93 (0.007) | 15.94 (0.006) | 15.94 | ||||||
| Pan g magnitude | 15.41 (0.005) | 15.41 (0.005) | |||||||
| Pan r magnitude | 15.87 (0.002) | 15.87 (0.002) | |||||||
| Pan i magnitude | 16.27 (0.002) | 16.27 (0.002) | |||||||
| Pan z magnitude | 16.56 (0.004) | 16.56 (0.004) | |||||||
| Pan y magnitude | 16.76 (0.007) | 16.76 (0.007) | |||||||
| E(B-V) | 0.025 | ||||||||
* 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.