All names: Gaia EDR3 316170482737881728, Gaia DR3 316170482737881728, GALEX J013134.4+323723, Gaia DR2 316170482737881728, TIC 61267921, 2MASS J01313451+3237239, LAMOST J013134.51+323723.8, LAMOSTJ013134.51+323723.7, LAMOST J013134.51+323723.7
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 31 34.51 (0.05) | 01 31 34.51 | 01 31 34.52 (0.05) | ||
| Declination | 32 37 23.70 (0.04) | 32 37 23.71 | 32 37 23.78 (0.04) | ||
| Spectral type | sdO | sdOHe8 | |||
| Effective temperature | [K] | 63122.0 (1025) | |||
| log(g) | [cgs] | 5.99 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.66 (0.06) | 0.42 (0.1) | 0.66 (0.06) | |
| Distance | [pc] | 1506.93 (128) | 2400.38 (694) | 1506.93 (128) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.405 (0.06) | -1.706 (0.2) | -1.405 (0.06) | |
| Proper motion (declination) | [mas/yr] | -4.802 (0.04) | -5.243 (0.2) | -4.802 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.95 (0.07) | 15.95 (0.07) | |||
| H magnitude | 15.61 | ||||
| K magnitude | 16.04 | ||||
| u magnitude | 14.66 (0.003) | ||||
| g magnitude | 15.02 (0.003) | 15.00 | |||
| r magnitude | 15.55 (0.003) | 15.56 | |||
| i magnitude | 15.91 (0.004) | 15.88 | |||
| z magnitude | 16.20 (0.008) | ||||
| G magnitude | 15.29 (0.003) | 15.30 (0.001) | 15.29 (0.003) | ||
| BP magnitude | 15.13 (0.004) | 15.07 (0.01) | |||
| RP magnitude | 15.59 (0.005) | 15.59 (0.005) | |||
| Pan g magnitude | 15.11 (0.002) | ||||
| Pan r magnitude | 15.57 (0.002) | ||||
| Pan i magnitude | 15.94 (0.002) | ||||
| Pan z magnitude | 16.22 (0.004) | ||||
| Pan y magnitude | 16.43 (0.01) | ||||
| E(B-V) | 0.047 | ||||
* 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.