All names: SDSS J235624.75+022923.1, Gaia DR2 2739542896889222400, SDSS J235624.75+022923.5, Gaia DR3 2739542896889222400, GALEX J235624.6+022924
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 23 56 24.75 (0.7) | ||
| Declination | 02 29 24.09 (0.4) | ||
| Spectral type | DA | ||
| 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] | 4.03 (0.7) | |
| Distance | [pc] | 248.27 (41) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 10.445 (1) | |
| Proper motion (declination) | [mas/yr] | -65.076 (0.5) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 20.93 (0.08) | ||
| g magnitude | 20.38 (0.02) | ||
| r magnitude | 20.16 (0.02) | ||
| i magnitude | 20.13 (0.03) | ||
| z magnitude | 20.17 (0.1) | ||
| G magnitude | 20.16 (0.006) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| 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.