All names: SDSS J124441.79+104334.4, WISEA J124441.80+104334.1, Gaia DR3 3927278856641344128, SDSS J124441.78+104334.4, WISE J124441.80+104334.2, Gaia EDR3 3927278856641344128, Gaia DR2 3927278856641344128
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 12 44 41.78 (0.4) | 12 44 41.79 | 12 44 41.77 (0.4) | 12 44 41.79 | ||
| Declination | 10 43 33.67 (0.2) | 10 43 34.41 | 10 43 34.69 (0.2) | 10 43 34.42 | ||
| Spectral type | M | DA+M | ||||
| Effective temperature | [K] | 6300.0 (3) | ||||
| log(g) | [cgs] | 10.00 (0.01) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | -0.48 (0.4) | ||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 7.493443981 (0.6) | 7.493 (0.6) | |||
| Proper motion (declination) | [mas/yr] | -63.72963753 (0.6) | -63.73 (0.6) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | WDMS | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 20.80 (0.08) | 20.80 (0.08) | 20.86 (0.08) | |||
| g magnitude | 20.15 (0.02) | 20.16 (0.02) | 20.35 (0.02) | |||
| r magnitude | 19.41 (0.02) | 19.41 (0.02) | 19.59 (0.02) | |||
| i magnitude | 18.85 (0.01) | 18.85 (0.01) | 18.99 (0.02) | |||
| z magnitude | 18.55 (0.03) | 18.55 (0.03) | 18.70 (0.04) | |||
| G magnitude | 19.62 (0.04) | 19.62 (0.004) | ||||
| BP magnitude | 20.13 (0.04) | |||||
| RP magnitude | 18.58 (0.03) | |||||
| Pan g magnitude | 20.29 (0.02) | |||||
| Pan r magnitude | 19.54 (0.01) | |||||
| Pan i magnitude | 18.99 (0.02) | |||||
| Pan z magnitude | 18.72 (0.02) | |||||
| Pan y magnitude | 18.59 (0.01) | |||||
| 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.