All names: Gaia EDR3 5187042723618077952, SDSS J025358.86-031415.68, 2MASS J02535886-0314161, SDSS J025358.86-031415.6, TIC 439870742, Gaia DR3 5187042723618077952, SDSS J025358.87-031415.6, SDSS J025358.85-031415.6, Gaia DR2 5187042723618077952
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 53 58.88 (0.3) | 02 53 58.86 | 02 53 58.88 (0.4) | 02 53 58.85 (0.3) | |||||
| Declination | -03 14 15.60 (0.3) | -03 14 15.62 | -03 14 15.60 (0.3) | -03 14 15.56 (0.3) | |||||
| Spectral type | DA+M4 | DA+dM | DA+MS | ||||||
| Effective temperature | [K] | 10778.0 (157) | |||||||
| log(g) | [cgs] | 8.55 (0.1) | |||||||
| Mass | [M☉] | 0.936 (0.06) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.47 (0.3) | 3.46 (0.5) | 2.47 (0.3) | |||||
| Distance | [pc] | 405.44 (54) | 288.65 (39) | 405.43 (54) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 24.63608154 (0.3) | 23.68143698 (0.8) | 24.636 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | -1.969554079 (0.3) | -1.607849942 (0.8) | -1.97 (0.3) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.77 (0.1) | ||||||||
| H magnitude | 16.10 (0.2) | ||||||||
| K magnitude | 15.78 (0.2) | ||||||||
| u magnitude | 19.14 (0.02) | 19.16 (0.03) | 19.14 (0.03) | ||||||
| g magnitude | 18.97 (0.009) | 18.98 (0.02) | 18.97 (0.009) | ||||||
| r magnitude | 19.16 (0.01) | 19.18 (0.02) | 19.16 (0.01) | ||||||
| i magnitude | 18.77 (0.01) | 18.77 (0.02) | 18.77 (0.01) | ||||||
| z magnitude | 18.24 (0.02) | 18.26 (0.03) | 18.24 (0.02) | ||||||
| G magnitude | 18.92 (0.03) | 18.91 | 18.92 (0.006) | ||||||
| BP magnitude | 19.09 (0.03) | 19.05 | |||||||
| RP magnitude | 18.37 (0.03) | 18.34 | |||||||
| Pan g magnitude | 19.01 (0.01) | ||||||||
| Pan r magnitude | 19.16 (0.006) | ||||||||
| Pan i magnitude | 18.79 (0.004) | ||||||||
| Pan z magnitude | 18.38 (0.007) | ||||||||
| Pan y magnitude | 18.06 (0.006) | ||||||||
| E(B-V) | 0.028 | ||||||||
* 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.