All names: Balloon 93738002, Gaia DR3 2841123516300777856, Gaia DR2 2841123516300777856, UCAC4 577-130831, UCAC2 40791265, 2MASS J23214742+2516507, LAMOST J232147.42+251650.8, TIC 28394153, Bal83738002
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 21 47.37 | 23 21 47.43 (0.02) | ||
| Declination | 25 16 51.30 | 25 16 50.79 (0.01) | ||
| Spectral type | sdB+K3 | 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] | 0.99 (0.03) | 0.99 (0.03) | |
| Distance | [pc] | 1006.85 (33) | 1010.00 (26) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 16.918 (0.05) | 17.107 (0.02) | |
| Proper motion (declination) | [mas/yr] | -10.238 (0.04) | -10.148 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.66 (0.03) | |||
| V magnitude | 13.47 (0.04) | |||
| R magnitude | 13.41 (0.1) | |||
| I magnitude | ||||
| J magnitude | 12.83 (0.03) | 12.83 (0.03) | ||
| H magnitude | 12.59 (0.03) | 12.59 (0.03) | ||
| K magnitude | 12.57 (0.03) | 12.57 (0.03) | ||
| u magnitude | 13.69 (0.003) | |||
| g magnitude | 13.47 (0.04) | |||
| r magnitude | 13.42 (0.003) | 13.47 (0.03) | ||
| i magnitude | 15.31 (0.01) | 13.95 (0.6) | ||
| z magnitude | 13.47 (0.003) | |||
| G magnitude | 13.39 (0.0003) | 13.38 (0.003) | ||
| BP magnitude | 13.48 (0.003) | |||
| RP magnitude | 13.14 (0.001) | |||
| Pan g magnitude | 13.50 (0.001) | |||
| Pan r magnitude | 13.47 (0.002) | |||
| Pan i magnitude | 13.46 (0) | |||
| Pan z magnitude | 13.54 (0.004) | |||
| Pan y magnitude | 13.54 (0.002) | |||
| E(B-V) | 0.056 | |||
* 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.