All names: PG0004+133, GALEX J000733.8+133557, TIC 357368607, [TFW97] J000733.77+133557.65, CHSS 3114, PG 0004+133, LAMOST J000733.77+133557.5, Gaia DR3 2767874292175410560, Gaia DR2 2767874292175410560, 2MASS J00073377+1335576, PHL 678, uvby98 610160678
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 07 33.76 | 00 07 33.77 (0.02) | ||
| Declination | 13 35 57.59 | 13 35 57.59 (0.02) | ||
| Spectral type | sdB | sdB2.5VHe7 | ||
| Effective temperature | [K] | 29560.0 (120) | ||
| log(g) | [cgs] | 5.41 (0.01) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.94 (0.07) | 2.05 (0.03) | |
| Distance | [pc] | 514.24 (20) | 486.97 (7) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.893 (0.2) | -1.836 (0.03) | |
| Proper motion (declination) | [mas/yr] | -19.526 (0.1) | -19.581 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.63 | |||
| V magnitude | 13.02 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.29 (0.02) | 13.29 (0.02) | ||
| H magnitude | 13.33 (0.03) | 13.33 (0.03) | ||
| K magnitude | 13.38 (0.04) | 13.38 (0.04) | ||
| u magnitude | 14.06 (0.008) | |||
| g magnitude | 12.97 (0.002) | |||
| r magnitude | 13.24 (0.002) | |||
| i magnitude | 15.06 (0.01) | |||
| z magnitude | 14.44 (0.009) | |||
| G magnitude | 13.07 (0.0008) | 13.05 (0.003) | ||
| BP magnitude | 12.98 (0.006) | |||
| RP magnitude | 13.13 (0.002) | |||
| Pan g magnitude | 13.12 | |||
| Pan r magnitude | 13.36 | |||
| Pan i magnitude | 13.48 (0.002) | |||
| Pan z magnitude | 13.67 (0.003) | |||
| Pan y magnitude | 13.77 (0.004) | |||
| E(B-V) | 0.048 | |||
* 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.