All names: 2MASS J08332317+4308251, Gaia DR2 916789979404687232, SDSSJ083323.18+430825.4, TYC 2981-879-1, GALEX J083323.3+430824, SDSS J083323.18+430825.4, Gaia DR3 916789979404687232, TIC 409272428
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 33 23.17 | 08 33 23.18 (0.03) | ||
| Declination | 43 08 25.20 | 43 08 25.16 (0.02) | ||
| Spectral type | sd | sd+F | ||
| 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] | 0.21 (0.08) | 0.20 (0.04) | |
| Distance | [pc] | 4683.84 (1685) | 5099.44 (1004) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.254 (0.1) | -2.375 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.778 (0.1) | -2.703 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.54 (0.07) | |||
| V magnitude | 11.83 (0.1) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 11.98 (0.02) | 11.98 (0.02) | ||
| H magnitude | 12.04 (0.03) | 12.04 (0.03) | ||
| K magnitude | 12.07 (0.03) | 12.07 (0.03) | ||
| u magnitude | 14.45 (0.01) | |||
| g magnitude | ||||
| r magnitude | 11.94 (0.001) | |||
| i magnitude | 12.22 (0.001) | |||
| z magnitude | 13.46 (0.008) | |||
| G magnitude | 11.69 (0.0008) | 11.67 (0.003) | ||
| BP magnitude | 11.58 (0.004) | |||
| RP magnitude | 11.80 (0.002) | |||
| Pan g magnitude | 11.59 | |||
| Pan r magnitude | 11.91 | |||
| Pan i magnitude | 12.17 | |||
| Pan z magnitude | 12.37 | |||
| Pan y magnitude | 12.46 (0.001) | |||
| 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.