All names: GALEXJ02342+2342, TIC 247017534, UCAC4 569-005431, 2MASS J02341325+2342113, WISEA J023413.24+234211.0, SDSS J023413.24+234211.2, Gaia DR3 89920844058789888, Gaia DR2 89920844058789888, GALEX J023413.1+234211, WISE J023413.24+234211.0, UCAC2 40130345
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 34 13.19 | 02 34 13.26 (0.02) | ||
| Declination | 23 42 11.40 | 23 42 11.25 (0.02) | ||
| Spectral type | sdB+F | sdB+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] | 2.12 (0.07) | 2.02 (0.02) | |
| Distance | [pc] | 471.68 (15) | 494.90 (5) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.847 (0.09) | -8.934 (0.02) | |
| Proper motion (declination) | [mas/yr] | -22.272 (0.09) | -22.304 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.57 (0.02) | |||
| V magnitude | 12.23 (0.05) | |||
| R magnitude | 12.17 (0.03) | |||
| I magnitude | ||||
| J magnitude | 11.33 (0.02) | 11.33 (0.02) | ||
| H magnitude | 11.07 (0.02) | 11.07 (0.02) | ||
| K magnitude | 11.03 (0.02) | 11.03 (0.02) | ||
| u magnitude | 14.44 (0.006) | |||
| g magnitude | 12.69 (0.001) | 12.36 (0.04) | ||
| r magnitude | 12.16 (0.04) | |||
| i magnitude | 12.24 (0.001) | 12.08 (0.04) | ||
| z magnitude | 13.29 (0.007) | |||
| G magnitude | 12.15 (0.0003) | 12.14 (0.003) | ||
| BP magnitude | 12.33 (0.002) | |||
| RP magnitude | 11.80 (0.0009) | |||
| Pan g magnitude | 13.94 (0.001) | |||
| Pan r magnitude | 13.36 (0.001) | |||
| Pan i magnitude | 14.42 (0.05) | |||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.096 | |||
* 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.