All names: TIC 77319779, 2MASS J02461446+3439438, KUV02432+3427, Gaia DR3 140013945281609088, KUV 02432+3427, Gaia DR2 140013945281609088
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 46 14.47 | 02 46 14.45 (0.05) | ||
| Declination | 34 39 44.30 | 34 39 43.91 (0.05) | ||
| 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] | 0.48 (0.1) | 0.28 (0.06) | |
| Distance | [pc] | 2082.90 (430) | 3568.88 (758) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.189 (0.2) | 0.227 (0.07) | |
| Proper motion (declination) | [mas/yr] | -3.594 (0.2) | -3.403 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.80 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.69 (0.1) | 16.69 (0.1) | ||
| H magnitude | 16.22 | |||
| K magnitude | 16.18 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.28 (0.002) | 16.25 (0.003) | ||
| BP magnitude | 16.05 (0.01) | |||
| RP magnitude | 16.49 (0.007) | |||
| Pan g magnitude | 16.10 (0.003) | |||
| Pan r magnitude | 16.48 (0.002) | |||
| Pan i magnitude | 16.82 (0.004) | |||
| Pan z magnitude | 17.09 (0.008) | |||
| Pan y magnitude | 17.25 (0.008) | |||
| E(B-V) | 0.073 | |||
* 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.