All names: Gaia DR2 2499301496005474048, Gaia EDR3 2499301496005474048, Gaia DR3 2499301496005474048, SDSS J024444.08+011314.9, SDSS J024444.06+011314.9, GALEX J024443.9+011315, LAMOST J024444.06+011314.8
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 02 44 44.10 (0.4) | 02 44 44.06 (0.4) | |||
| Declination | 01 13 14.92 (0.3) | 01 13 14.92 (0.3) | |||
| Spectral type | DC | DC | |||
| 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] | 2.69 (0.4) | 2.69 (0.4) | ||
| Distance | [pc] | 371.09 (54) | 371.09 (54) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 32.722 (0.5) | 32.722 (0.5) | ||
| Proper motion (declination) | [mas/yr] | 0.287 (0.4) | 0.287 (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 | 19.52 (0.03) | ||||
| g magnitude | 19.41 (0.01) | ||||
| r magnitude | 19.53 (0.01) | ||||
| i magnitude | 19.65 (0.02) | ||||
| z magnitude | 19.80 (0.06) | ||||
| G magnitude | 19.40 (0.005) | 19.40 (0.005) | |||
| BP magnitude | 19.47 (0.04) | ||||
| RP magnitude | 19.34 (0.05) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.025 | ||||
* 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.