All names: 2MASS J12483175+4353183, Gaia DR2 1528812923480852992, LAMOST J124831.79+435318.3, GALEX J124831.7+435318, Gaia DR3 1528812923480852992, SDSS J124831.79+435318.3, WD 1246+441, WIRED J124831.79+435318.3, Gaia EDR3 1528812923480852992, TIC 393886608, SDSS J124831.79+435318.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 48 31.78 (0.07) | 12 48 31.79 | 12 48 31.78 (0.08) | 12 48 31.79 | 12 48 31.79 (0.07) | 12 48 31.79 | 12 48 31.51 | 12 48 31.79 | ||||
| Declination | 43 53 18.40 (0.08) | 43 53 18.32 | 43 53 18.40 (0.1) | 43 53 18.31 | 43 53 18.35 (0.08) | 43 53 18.36 | 43 53 15.36 | 43 53 18.36 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA:+M | DA: dM | DA+M | ||||||
| Effective temperature | [K] | 14393.0 (1558) | 6300.0 (1) | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 8.08 (0.4) | 8.84 (0.1) | 10.00 (0.003) | ||||||||
| Mass | [M☉] | 0.66 (0.3) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 1.55 (0.1) | 1.57 (0.2) | 1.55 (0.1) | ||||||||
| Distance | [pc] | 646.91 (61) | 634.94 (68) | 646.91 (61) | ||||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.434656491 (0.1) | -6.539790497 (0.2) | -6.435 (0.1) | 3.2 | |||||||
| Proper motion (declination) | [mas/yr] | 3.545272711 (0.1) | 3.721271512 (0.2) | 3.545 (0.1) | 2.6 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.09 (0.08) | |||||||||||
| H magnitude | 15.39 (0.1) | |||||||||||
| K magnitude | 15.20 (0.1) | |||||||||||
| u magnitude | 20.56 (0.06) | 20.55 | 20.55 (0.06) | 20.55 (0.07) | 20.55 | 20.52 (0.07) | ||||||
| g magnitude | 19.46 (0.01) | 19.50 | 19.45 (0.01) | 19.50 (0.02) | 19.50 | 19.48 (0.02) | ||||||
| r magnitude | 18.44 (0.008) | 18.45 | 18.45 (0.008) | 18.45 (0.01) | 18.45 | 18.44 (0.02) | ||||||
| i magnitude | 17.68 (0.007) | 17.69 | 17.71 (0.007) | 17.69 (0.02) | 17.69 | 17.69 (0.02) | ||||||
| z magnitude | 17.25 (0.01) | 17.29 | 17.25 (0.01) | 17.29 (0.04) | 17.29 | 17.28 (0.04) | ||||||
| G magnitude | 18.27 (0.02) | 18.30 | 18.27 (0.003) | |||||||||
| BP magnitude | 19.14 (0.02) | 19.13 | ||||||||||
| RP magnitude | 17.33 (0.008) | 17.33 | ||||||||||
| Pan g magnitude | 19.34 (0.007) | |||||||||||
| Pan r magnitude | 18.48 (0.008) | |||||||||||
| Pan i magnitude | 17.73 (0.005) | |||||||||||
| Pan z magnitude | 17.34 (0.005) | |||||||||||
| Pan y magnitude | 17.15 (0.01) | |||||||||||
| E(B-V) | 0.019 | |||||||||||
* 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.