All names: Gaia EDR3 6642606629132975488, Gaia DR3 6642606629132975488, 2MASS J19422928-5252524, TIC 166225976, GALEXJ19424-5252, UCAC4 186-209008, GALEX J194229.3-525252, EC 19385-5259, Gaia DR2 6642606629132975488
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 42 29.30 (0.04) | 19 42 29.28 | 19 42 29.29 (0.04) | ||
| Declination | -52 52 52.31 (0.03) | -52 52 52.42 | -52 52 52.45 (0.03) | ||
| Spectral type | sdOB | sdOB | |||
| 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] | 1.14 (0.05) | 1.26 (0.1) | 1.14 (0.05) | |
| Distance | [pc] | 879.04 (41) | 793.84 (89) | 879.04 (41) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.515 (0.04) | 1.359 (0.1) | 1.515 (0.04) | |
| Proper motion (declination) | [mas/yr] | 8.446 (0.03) | 8.471 (0.1) | 8.446 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.61 (0.05) | ||||
| V magnitude | 14.82 (0.04) | ||||
| R magnitude | 14.95 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 15.42 (0.07) | 15.42 (0.07) | |||
| H magnitude | 15.36 (0.1) | 15.36 (0.1) | |||
| K magnitude | 15.22 (0.2) | 15.22 (0.2) | |||
| u magnitude | |||||
| g magnitude | 14.61 (0.07) | ||||
| r magnitude | 15.10 (0.02) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.73 (0.003) | 14.74 (0.0009) | 14.73 (0.003) | ||
| BP magnitude | 14.58 (0.003) | 14.51 (0.01) | |||
| RP magnitude | 15.00 (0.004) | 14.99 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.037 | ||||
* 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.