All names: Gaia DR2 652226384884390016, GALEX J081931.1+142756, 2MASS J08193122+1427562, Gaia DR3 652226384884390016, TIC 60254182, SDSSJ081931.22+142756.2, SDSS J081931.22+142756.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 19 31.22 | 08 19 31.23 (0.04) | ||
| Declination | 14 27 56.20 | 14 27 56.21 (0.02) | ||
| 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] | 0.17 (0.06) | 0.31 (0.04) | |
| Distance | [pc] | 5851.38 (2109) | 3259.45 (419) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.42 (0.1) | -0.26 (0.05) | |
| Proper motion (declination) | [mas/yr] | -2.039 (0.06) | -1.972 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.71 (0.06) | 15.71 (0.06) | ||
| H magnitude | 16.04 (0.2) | 16.04 (0.2) | ||
| K magnitude | 16.07 | |||
| u magnitude | 15.54 (0.005) | 15.54 (0.005) | ||
| g magnitude | 15.38 (0.004) | 15.38 (0.004) | ||
| r magnitude | 15.74 (0.005) | 15.74 (0.005) | ||
| i magnitude | 16.02 (0.005) | 16.02 (0.005) | ||
| z magnitude | 16.27 (0.009) | 16.27 (0.009) | ||
| G magnitude | 15.60 (0.0005) | 15.58 (0.003) | ||
| BP magnitude | 15.48 (0.004) | |||
| RP magnitude | 15.71 (0.003) | |||
| Pan g magnitude | 15.45 (0.003) | |||
| Pan r magnitude | 15.76 (0.003) | |||
| Pan i magnitude | 16.05 (0.001) | |||
| Pan z magnitude | 16.26 (0.002) | |||
| Pan y magnitude | 16.39 (0.006) | |||
| E(B-V) | 0.030 | |||
* 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.