All names: TIC 99033829, 2MASS J08232417+3939598, KUV 08201+3950, SDSS J082324.18+394000.1, Gaia DR2 914518865122887296, Gaia DR3 914518865122887296, KUV08201+3950, GALEX J082324.1+394000
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 23 24.22 | 08 23 24.19 (0.08) | ||
| Declination | 39 40 00.28 | 39 40 00.18 (0.06) | ||
| 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] | 0.29 (0.1) | 0.28 (0.1) | |
| Distance | [pc] | 3444.71 (1441) | 3619.25 (1464) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.217 (0.2) | 0.293 (0.1) | |
| Proper motion (declination) | [mas/yr] | -1.795 (0.1) | -1.853 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 17.00 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.50 (0.1) | 16.50 (0.1) | ||
| H magnitude | 16.23 (0.2) | 16.23 (0.2) | ||
| K magnitude | 16.07 | |||
| u magnitude | 17.61 (0.01) | 17.61 (0.01) | ||
| g magnitude | 17.14 (0.004) | 17.14 (0.004) | ||
| r magnitude | 17.16 (0.005) | 17.16 (0.005) | ||
| i magnitude | 17.21 (0.006) | 17.21 (0.006) | ||
| z magnitude | 17.30 (0.01) | 17.30 (0.01) | ||
| G magnitude | 17.10 (0.001) | 17.09 (0.003) | ||
| BP magnitude | 17.16 (0.01) | |||
| RP magnitude | 16.90 (0.005) | |||
| Pan g magnitude | 17.14 (0.004) | |||
| Pan r magnitude | 17.16 (0.003) | |||
| Pan i magnitude | 17.22 (0.003) | |||
| Pan z magnitude | 17.31 (0.007) | |||
| Pan y magnitude | 17.33 (0.006) | |||
| E(B-V) | 0.035 | |||
* 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.