All names: LAMOST J122514.93+292523.2, SDSS J122514.93+292523.2, 2MASS J12251494+2925231, TIC 393797655, LAMOST J122514.92+292523.1, WD 1222+296, Gaia DR2 4011864565339545344, LAMOST J122514.94+292523.1, Gaia DR3 4011864565339728640, SDSS J122514.93+292523.1, GALEX J122514.9+292523
| Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 25 14.93 | 12 25 14.90 (2) | 12 25 14.93 | 12 25 14.89 (2) | 12 25 14.81 | 12 25 14.93 | ||||
| Declination | 29 25 23.19 | 29 25 23.26 (0.4) | 29 25 23.20 | 29 25 23.26 (1) | 29 25 17.40 | 29 25 23.22 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA3.1 M | DA+M | |||||
| Effective temperature | [K] | 16149.0 (400) | 6300.0 (4) | |||||||
| log(g) | [cgs] | 8.03 (0.09) | 5.00 (0.004) | |||||||
| Mass | [M☉] | 0.63 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | |||||||||
| Distance | [pc] | 246.00 (14) | ||||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | |||||||||
| Proper motion (declination) | [mas/yr] | |||||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.20 (0.03) | |||||||||
| H magnitude | 13.64 (0.04) | |||||||||
| K magnitude | 13.33 (0.04) | |||||||||
| u magnitude | 17.98 (0.02) | 18.59 | 17.98 (0.01) | 18.59 | 18.58 (0.03) | |||||
| g magnitude | 17.73 (0.005) | 17.73 | 17.73 (0.005) | 17.73 | 17.73 (0.02) | |||||
| r magnitude | 17.27 (0.005) | 17.30 | 17.27 (0.005) | 17.29 | 17.29 (0.02) | |||||
| i magnitude | 16.24 (0.004) | 16.25 | 16.24 (0.004) | 16.24 | 16.24 (0.01) | |||||
| z magnitude | 15.56 (0.005) | 15.56 | 15.55 (0.005) | 15.55 | 15.55 (0.03) | |||||
| G magnitude | 16.84 | 17.13 (0.02) | ||||||||
| BP magnitude | 17.65 | |||||||||
| RP magnitude | 15.78 | |||||||||
| Pan g magnitude | 17.72 (0.005) | |||||||||
| Pan r magnitude | 17.33 (0.003) | |||||||||
| Pan i magnitude | 16.29 (0.004) | |||||||||
| Pan z magnitude | 15.70 (0.005) | |||||||||
| Pan y magnitude | 15.42 (0.003) | |||||||||
| E(B-V) | 0.012 | |||||||||
* 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.