All names: UCAC2 13028514, GALEX J191049.5-441713, TIC 61379646, GALEXJ19108-4417, Gaia DR2 6711206632764706688, Gaia DR3 6711206632764706688, UCAC4 229-179817, 2MASS J19104953-4417136, DENIS J191049.5-441713, WISE J191049.53-441713.6, WISEA J191049.53-441713.7
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 10 49.60 | 19 10 49.53 (0.04) | ||
| Declination | -44 17 13.43 | -44 17 13.61 (0.04) | ||
| Spectral type | He-sdOB | sdBC0.2VIHe39 | ||
| 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] | 0.39 (0.09) | 0.66 (0.05) | |
| Distance | [pc] | 2536.78 (598) | 1510.35 (107) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.622 (0.1) | -2.7 (0.05) | |
| Proper motion (declination) | [mas/yr] | -2.793 (0.1) | -2.929 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 12.96 (0.01) | |||
| R magnitude | 13.27 (0.1) | |||
| I magnitude | 13.15 (0.02) | |||
| J magnitude | 13.39 (0.03) | 13.39 (0.03) | ||
| H magnitude | 13.55 (0.03) | 13.55 (0.03) | ||
| K magnitude | 13.60 (0.04) | 13.60 (0.04) | ||
| u magnitude | ||||
| g magnitude | 12.83 (0.02) | |||
| r magnitude | 13.18 (0.01) | |||
| i magnitude | 13.40 (0.03) | |||
| z magnitude | ||||
| G magnitude | 12.95 (0.0008) | 12.93 (0.003) | ||
| BP magnitude | 12.79 (0.008) | |||
| RP magnitude | 13.11 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.066 | |||
* 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.