All names: Gaia DR2 6691260843297001088, BPS CS 22964-0020, GALEX J194833.8-394142, Gaia DR3 6691260843297001088, BPSCS22964-20, 2MASS J19483386-3941423, TIC 300022089
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 48 33.87 | 19 48 33.88 (0.04) | ||
| Declination | -39 41 42.95 | -39 41 42.44 (0.03) | ||
| Spectral type | sdO | sdO | ||
| 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] | 0.30 (0.1) | 0.07 (0.05) | |
| Distance | [pc] | 3289.47 (1323) | 13966.48 (9773) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.481 (0.1) | -6.283 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.742 (0.09) | -5.668 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.07 | |||
| V magnitude | 15.27 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.61 (0.06) | 15.61 (0.06) | ||
| H magnitude | 15.32 (0.1) | 15.32 (0.1) | ||
| K magnitude | 15.26 (0.2) | 15.26 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.30 (0.001) | 15.28 (0.003) | ||
| BP magnitude | 15.12 (0.009) | |||
| RP magnitude | 15.43 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.067 | |||
* 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.