All names: 2MASS J03023605+2816165, GALEX J030236.0+281617, Gaia EDR3 116691791828603136, LAMOSTJ030236.01+281616.9, Gaia DR3 116691791828603136, LAMOST J030236.01+281616.9, Gaia DR2 116691791828603136, PSO J045.6500+28.2713
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 02 36.02 (0.05) | 03 02 36.02 | 03 02 36.01 (0.05) | ||
| Declination | 28 16 16.83 (0.04) | 28 16 16.95 | 28 16 16.89 (0.04) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 39180.0 (434) | |||
| log(g) | [cgs] | 6.08 (0.06) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.70 (0.06) | 0.50 (0.08) | 0.70 (0.06) | |
| Distance | [pc] | 1435.96 (113) | 1984.91 (314) | 1435.96 (113) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.185 (0.06) | 5.11 (0.1) | 5.185 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.749 (0.06) | -3.576 (0.1) | -3.749 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.76 (0.1) | 16.76 (0.1) | |||
| H magnitude | 16.66 (0.3) | 16.66 (0.3) | |||
| K magnitude | 16.64 | ||||
| u magnitude | |||||
| g magnitude | 16.17 (0.004) | ||||
| r magnitude | 16.44 (0.003) | ||||
| i magnitude | 16.71 (0.003) | ||||
| z magnitude | 16.93 (0.004) | ||||
| G magnitude | 16.25 (0.003) | 16.27 (0.002) | 16.25 (0.003) | ||
| BP magnitude | 16.18 (0.004) | 16.12 (0.009) | |||
| RP magnitude | 16.39 (0.007) | 16.37 (0.007) | |||
| Pan g magnitude | 16.17 (0.004) | ||||
| Pan r magnitude | 16.44 (0.003) | ||||
| Pan i magnitude | 16.71 (0.003) | ||||
| Pan z magnitude | 16.93 (0.004) | ||||
| Pan y magnitude | 17.07 (0.008) | ||||
| E(B-V) | 0.148 | ||||
* 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.