All names: SDSS J232748.21+122213.4, GALEX J232748.2+122213, Gaia DR3 2812533323463823488, Gaia DR2 2812533323463823488, Gaia EDR3 2812533357823559424
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 23 27 43.50 (0.6) | 23 27 48.22 (0.4) | |
| Declination | 12 21 59.60 (0.5) | 12 22 13.48 (0.3) | |
| 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] | 2.01 (0.7) | |
| Distance | [pc] | 498.33 (178) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -5.653 (0.9) | -0.384 (0.5) |
| Proper motion (declination) | [mas/yr] | -8.62 (0.6) | -3.109 (0.4) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 19.61 (0.04) | ||
| g magnitude | 19.85 (0.02) | ||
| r magnitude | 20.10 (0.03) | ||
| i magnitude | 20.21 (0.04) | ||
| z magnitude | 20.24 (0.1) | ||
| G magnitude | 20.41 (0.008) | 19.96 (0.006) | |
| BP magnitude | 20.76 (0.2) | ||
| RP magnitude | 19.77 (0.1) | ||
| 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.