All names: [SGR2010] J2312+0053, WD 2309+006, SDSS J231230.79+005321.7, TIC 262582702, [HHD2009] SDSS J2312+0053, SDSS J231230.80+005321.8, SDSS J231230.80+005321.7, EPIC 246459308, Gaia EDR3 2657418968956732928, SDSS J231230.79+005321.6, Gaia DR2 2657418968956732928, GALEX J231230.7+005322, 2MASS J23123080+0053217, Gaia DR3 2657418968956732928, LAMOST J231230.79+005321.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 12 30.80 (0.4) | 23 12 30.80 | 23 12 30.80 (0.7) | 23 12 30.80 (0.4) | 23 12 30.80 | 23 12 29.59 | 23 12 30.79 | |||
| Declination | 00 53 21.80 (0.4) | 00 53 21.75 | 00 53 21.81 (0.6) | 00 53 21.71 (0.4) | 00 53 21.72 | 00 53 19.68 | 00 53 21.66 | |||
| Spectral type | DA+dMe | DA+M | DA+ME | DA+M | ||||||
| Effective temperature | [K] | 6301.0 (4) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.45 (0.07) | 5.00 (0.004) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.33 (0.5) | 3.33 (0.5) | |||||||
| Distance | [pc] | 300.43 (42) | 300.43 (42) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.415093646 (0.5) | 1.415 (0.5) | 0.0 | ||||||
| Proper motion (declination) | [mas/yr] | 5.868199252 (0.4) | 5.868 (0.4) | 2.0 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.20 (0.003) | |||||||||
| H magnitude | 13.59 (0.003) | |||||||||
| K magnitude | 13.47 (0.04) | |||||||||
| u magnitude | 17.36 (0.01) | 17.38 (0.01) | 17.41 (0.02) | 17.42 | 17.43 (0.02) | |||||
| g magnitude | 17.18 (0.005) | 17.24 (0.005) | 17.23 (0.02) | 17.24 | 17.22 (0.02) | |||||
| r magnitude | 16.66 (0.005) | 16.69 (0.004) | 16.73 (0.02) | 16.73 | 16.71 (0.02) | |||||
| i magnitude | 15.93 (0.004) | 15.94 (0.004) | 15.96 (0.02) | 15.97 | 15.94 (0.02) | |||||
| z magnitude | 15.50 (0.006) | 15.52 (0.006) | 15.53 (0.02) | 15.53 | 15.52 (0.02) | |||||
| G magnitude | 16.61 (0.006) | 16.50 | 16.61 (0.01) | |||||||
| BP magnitude | 17.08 (0.006) | 17.07 | ||||||||
| RP magnitude | 15.58 (0.004) | 15.60 | ||||||||
| Pan g magnitude | 17.18 (0.003) | |||||||||
| Pan r magnitude | 16.72 (0.005) | |||||||||
| Pan i magnitude | 16.00 (0.003) | |||||||||
| Pan z magnitude | 15.60 (0.002) | |||||||||
| Pan y magnitude | 15.40 (0.004) | |||||||||
| E(B-V) | 0.048 | |||||||||
* 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.