All names: LAMOST J012620.95+013433.5, Gaia DR3 2558457317524344704, GALEX J012620.9+013433, SDSS J012620.96+013433.4, PB 6438, Gaia DR2 2558457317524344704, PB6438, Gaia EDR3 2558457317524344704
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 26 20.96 (0.08) | 01 26 20.95 | 01 26 20.96 (0.08) | ||
| Declination | 01 34 33.48 (0.06) | 01 34 33.57 | 01 34 33.52 (0.06) | ||
| Spectral type | sdO | sdO | |||
| Effective temperature | [K] | 46533.0 (945) | |||
| log(g) | [cgs] | 5.95 (0.08) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.22 (0.1) | 0.26 (0.2) | 0.22 (0.1) | |
| Distance | [pc] | 4514.67 (1995) | 3824.09 (3135) | 4514.67 (1995) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.346 (0.1) | 0.158 (0.2) | 0.346 (0.1) | |
| Proper motion (declination) | [mas/yr] | -2.494 (0.06) | -2.799 (0.2) | -2.494 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.63 (0.007) | 16.65 (0.007) | |||
| g magnitude | 17.04 (0.005) | 17.05 (0.005) | |||
| r magnitude | 17.54 (0.006) | 17.55 (0.006) | |||
| i magnitude | 17.87 (0.008) | 17.88 (0.008) | |||
| z magnitude | 18.12 (0.02) | 18.15 (0.02) | |||
| G magnitude | 17.30 (0.003) | 17.33 (0.004) | 17.30 (0.003) | ||
| BP magnitude | 17.15 (0.006) | 17.09 (0.01) | |||
| RP magnitude | 17.58 (0.01) | 17.53 (0.03) | |||
| Pan g magnitude | 17.12 (0.003) | ||||
| Pan r magnitude | 17.55 (0.006) | ||||
| Pan i magnitude | 17.89 (0.004) | ||||
| Pan z magnitude | 18.14 (0.006) | ||||
| Pan y magnitude | 18.28 (0.02) | ||||
| E(B-V) | 0.028 | ||||
* 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.