All names: TIC 423300225, PB 5322, Gaia DR3 2664836171318493696, GALEX J231747.9+072245, [DWS97] Psc 2, SDSSJ231748.08+072245.1, SDSS J231748.08+072245.1, LAMOST J231748.13+072245.1, [RRW93] Pn24s-26, 2MASS J23174811+0722452, Gaia DR2 2664836171318493696, PG 2315+071
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 17 48.10 | 23 17 48.11 (0.02) | ||
| Declination | 07 22 45.29 | 07 22 45.43 (0.01) | ||
| Spectral type | sd | kA3hA3mA7 | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.75 (0.04) | 0.80 (0.02) | |
| Distance | [pc] | 1325.73 (65) | 1257.39 (32) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.11 (0.07) | -1.046 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.705 (0.04) | 1.675 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.49 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.33 (0.03) | 13.33 (0.03) | ||
| H magnitude | 13.14 (0.03) | 13.14 (0.03) | ||
| K magnitude | 13.05 (0.03) | 13.05 (0.03) | ||
| u magnitude | 15.12 (0.008) | |||
| g magnitude | 14.44 (0.002) | |||
| r magnitude | 14.25 (0.002) | |||
| i magnitude | 14.17 (0.002) | |||
| z magnitude | 14.50 (0.009) | |||
| G magnitude | 14.07 (0.0004) | 14.06 (0.003) | ||
| BP magnitude | 14.23 (0.004) | |||
| RP magnitude | 13.75 (0.001) | |||
| Pan g magnitude | 14.23 (0.003) | |||
| Pan r magnitude | 14.12 (0.001) | |||
| Pan i magnitude | 14.10 (0.003) | |||
| Pan z magnitude | 14.13 (0.002) | |||
| Pan y magnitude | 14.12 (0.003) | |||
| 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.