All names: GALEX J123138.5+264451, Gaia DR3 3960871754368636800, SDSS J123138.31+264451.6, Gaia DR2 3960871754368636800
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 12 31 38.32 (0.8) | ||
| Declination | 26 44 51.60 (0.9) | ||
| 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] | 4.24 (1) | |
| Distance | [pc] | 236.03 (57) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 4.232 (0.9) | |
| Proper motion (declination) | [mas/yr] | 4.41 (1) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 20.92 (0.07) | ||
| g magnitude | 20.45 (0.02) | ||
| r magnitude | 20.34 (0.03) | ||
| i magnitude | 20.43 (0.04) | ||
| z magnitude | 20.32 (0.1) | ||
| G magnitude | 20.38 (0.009) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.015 | ||
* 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.