All names: UCAC2 19784050, TIC 2213137, GALEX J191509.0-290311, Gaia DR2 6759640497923106944, UCAC4 305-269192, WISEA J191509.16-290309.8, Gaia DR3 6759640497923106944, Gaia DR2 6759640502223283328, 2MASS J19150916-2903095, WISE J191509.16-290309.5, GALEXJ19151-2903, DENIS J191509.1-290309
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 15 09.00 | 19 15 09.17 (0.03) | ||
| Declination | -29 03 11.65 | -29 03 09.63 (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] | 1.19 (1) | 2.24 (0.04) | |
| Distance | [pc] | 842.32 (756) | 446.07 (7) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.872 (2) | -7.716 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.399 (2) | -5.724 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 13.58 (0.06) | |||
| I magnitude | 13.43 (1) | |||
| J magnitude | 13.68 (0.03) | 13.68 (0.03) | ||
| H magnitude | 13.75 (0.03) | 13.75 (0.03) | ||
| K magnitude | 13.94 (0.06) | 13.94 (0.06) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.22 (0.01) | 13.22 (0.003) | ||
| BP magnitude | 19.47 (0.2) | |||
| RP magnitude | 19.13 (0.1) | |||
| Pan g magnitude | 13.43 | |||
| Pan r magnitude | 13.50 (0.02) | |||
| Pan i magnitude | 13.79 (0.009) | |||
| Pan z magnitude | 13.97 (0.004) | |||
| Pan y magnitude | 14.14 (0.004) | |||
| E(B-V) | 0.100 | |||
* 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.