All names: Gaia DR2 6446958739812764672, BPSCS22873-56, 2MASS J19512957-5940214, GALEX J195129.6-594021, TIC 320690782, BPS CS 22873-0056, Gaia DR3 6446958739812764672
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 19 51 29.56 | 19 51 29.57 (0.02) | |
| Declination | -59 40 21.43 | -59 40 21.51 (0.02) | |
| Spectral type | sdB | sdB | |
| 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] | -0.10 (0.06) | 0.04 (0.03) |
| Distance | [pc] | 24570.02 (16782) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 0.577 (0.07) | 0.532 (0.02) |
| Proper motion (declination) | [mas/yr] | -2.732 (0.07) | -2.764 (0.02) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 14.06 | ||
| V magnitude | 14.10 | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 14.05 (0.03) | 14.05 (0.03) | |
| H magnitude | 14.05 (0.04) | 14.05 (0.04) | |
| K magnitude | 14.01 (0.05) | 14.01 (0.05) | |
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 14.09 (0.0005) | 14.08 (0.003) | |
| BP magnitude | 14.05 (0.004) | ||
| RP magnitude | 14.09 (0.002) | ||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.