All names: EC 19441-5759, GALEX J194820.9-575153, BPSCS22873-30, 2MASS J19482093-5751533, Gaia DR2 6448188440489065344, BPS CS 22873-0030, TIC 360806208, Gaia DR3 6448188440489065344
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 48 20.95 | 19 48 20.93 (0.04) | ||
| Declination | -57 51 52.31 | -57 51 53.36 (0.03) | ||
| 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] | 1.26 (0.08) | 1.10 (0.05) | |
| Distance | [pc] | 791.51 (50) | 906.21 (42) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.267 (0.1) | -8.921 (0.04) | |
| Proper motion (declination) | [mas/yr] | -45.77 (0.08) | -45.531 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.06 | |||
| V magnitude | 14.36 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.84 (0.04) | 14.84 (0.04) | ||
| H magnitude | 14.81 (0.08) | 14.81 (0.08) | ||
| K magnitude | 15.14 (0.1) | 15.14 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.33 (0.0005) | 14.32 (0.003) | ||
| BP magnitude | 14.12 (0.008) | |||
| RP magnitude | 14.58 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.039 | |||
* 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.