All names: Gaia DR3 6742964724759033728, 2MASS J19224909-3457299, Gaia DR2 6742964724759033728, WISEA J192249.08-345730.0, DENIS J192249.1-345730, TIC 112239407, WISE J192249.08-345729.7, UCAC2 17158653, GALEXJ19228-3457, UCAC4 276-205451
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 22 49.08 | 19 22 49.09 (0.04) | ||
| Declination | -34 57 31.35 | -34 57 30.04 (0.04) | ||
| Spectral type | He-sdOB | sdOBHe | ||
| 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] | 0.43 (0.07) | 0.44 (0.05) | |
| Distance | [pc] | 2331.00 (392) | 2292.53 (287) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.775 (0.1) | -2.697 (0.05) | |
| Proper motion (declination) | [mas/yr] | -2.035 (0.1) | -1.945 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.46 (0.03) | |||
| V magnitude | 14.66 (0.01) | |||
| R magnitude | 14.94 (0.06) | |||
| I magnitude | 14.82 (0.04) | |||
| J magnitude | 15.11 (0.04) | 15.11 (0.04) | ||
| H magnitude | 15.27 (0.1) | 15.27 (0.1) | ||
| K magnitude | 15.41 (0.2) | 15.41 (0.2) | ||
| u magnitude | ||||
| g magnitude | 14.44 (0.01) | |||
| r magnitude | 14.88 (0.01) | |||
| i magnitude | 15.12 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.60 (0.001) | 14.58 (0.003) | ||
| BP magnitude | 14.38 (0.02) | |||
| RP magnitude | 14.79 (0.005) | |||
| Pan g magnitude | 14.93 | |||
| Pan r magnitude | 15.18 | |||
| Pan i magnitude | 15.14 (0.002) | |||
| Pan z magnitude | 15.55 | |||
| Pan y magnitude | 15.74 | |||
| E(B-V) | 0.101 | |||
* 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.