All names: SDSS J235841.47-020808.3, Gaia DR3 2449042991298452608, ZYCJ 2356-024, PB 5643, Gaia DR2 2449042991298452608, LBQS 2356-0224
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 23 58 41.48 | 23 58 41.48 (0.2) | |
| Declination | -02 08 08.30 | -02 08 08.21 (0.2) | |
| Spectral type | DA | sdOB | |
| Effective temperature | [K] | 20865.0 (1918) | |
| log(g) | [cgs] | 7.82 (0.1) | |
| Mass | [M☉] | 0.532 (0.09) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 2.42 | 2.42 (0.2) |
| Distance | [pc] | 413.76 | 413.75 (40) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -1.61 (0.3) | |
| Proper motion (declination) | [mas/yr] | -5.241 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 18.49 (0.02) | ||
| g magnitude | 18.44 (0.009) | ||
| r magnitude | 18.73 (0.01) | ||
| i magnitude | 19.07 (0.02) | ||
| z magnitude | 19.26 (0.07) | ||
| G magnitude | 18.62 | 18.62 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.