All names: PG 0240+046, TIC 318804768, Gaia EDR3 6052403489630720, GALEX J024322.7+045036, [TFW97] J024322.75+045036.27, PG0240+046, 2MASS J02432275+0450362, Gaia DR2 6052403489630720, LAMOST J024322.74+045036.7, CHSS 3711, Gaia DR3 6052403489630720
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 43 22.81 (0.04) | 02 43 22.70 | 02 43 22.78 (0.04) | ||
| Declination | 04 50 36.32 (0.04) | 04 50 36.79 | 04 50 36.32 (0.04) | ||
| Spectral type | He-sdOB | sdBC0.2VIIHe24 | |||
| Effective temperature | [K] | 34790.0 (110) | |||
| log(g) | [cgs] | 6.02 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.46 (0.05) | 1.44 (0.07) | 1.46 (0.05) | |
| Distance | [pc] | 684.18 (23) | 692.52 (32) | 684.18 (23) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 30.849 (0.05) | 31.12 (0.1) | 30.849 (0.05) | |
| Proper motion (declination) | [mas/yr] | -0.28 (0.05) | -0.147 (0.1) | -0.28 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.76 (0.03) | 14.76 (0.03) | |||
| H magnitude | 14.94 (0.05) | 14.94 (0.05) | |||
| K magnitude | 14.84 (0.1) | 14.84 (0.1) | |||
| u magnitude | 14.00 (0.005) | ||||
| g magnitude | 14.35 (0.004) | ||||
| r magnitude | |||||
| i magnitude | 14.92 (0.005) | ||||
| z magnitude | 15.04 (0.006) | ||||
| G magnitude | 14.07 (0.003) | 14.09 (0.0008) | 14.07 (0.003) | ||
| BP magnitude | 13.93 (0.003) | 13.89 (0.01) | |||
| RP magnitude | 14.35 (0.005) | 14.35 (0.003) | |||
| Pan g magnitude | 13.91 (0.001) | ||||
| Pan r magnitude | 14.32 (0.0008) | ||||
| Pan i magnitude | 14.68 (0.002) | ||||
| Pan z magnitude | 14.97 (0.001) | ||||
| Pan y magnitude | 15.14 (0.008) | ||||
| E(B-V) | 0.055 | ||||
* 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.