All names: Gaia DR3 3696230717291966208, GALEX J124041.6+002837, 2SLAQ J124041.56+002837.5, Gaia DR2 3696230717291966208, SDSS J124041.55+002837.6
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 12 40 41.54 (25) | |
| Declination | 00 28 37.75 (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] | |
| Distance | [pc] | |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | |
| Proper motion (declination) | [mas/yr] | |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | ||
| V magnitude | ||
| R magnitude | ||
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 21.69 (0.2) | |
| g magnitude | 21.29 (0.05) | |
| r magnitude | 21.36 (0.06) | |
| i magnitude | 21.44 (0.1) | |
| z magnitude | 22.04 (0.5) | |
| G magnitude | 21.22 (0.03) | |
| 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.