All names: GALEX J030339.0+225632, USNO-A2.0 1125-00983917, Gaia DR3 109925839650545664, Gaia DR2 109925839650545664
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 03 03 39.14 | 03 03 39.13 (0.2) | |
| Declination | 22 56 31.41 | 22 56 31.51 (0.1) | |
| Spectral type | DZ | DZ | |
| Effective temperature | [K] | 12783.0 (724) | |
| log(g) | [cgs] | 7.76 (0.1) | |
| Mass | [M☉] | 0.455 (0.07) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 4.64 | 4.64 (0.2) |
| Distance | [pc] | 215.53 | 215.53 (8) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 13.916 (0.2) | |
| Proper motion (declination) | [mas/yr] | -6.522 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 17.40 (0.3) | ||
| V magnitude | |||
| R magnitude | 18.10 (0.3) | ||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 18.17 | 18.17 (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.