All names: Gaia DR3 3922267080779305728, 2MASS J12144003+1537208, SDSS J121440.01+153721.0, LAMOST J121440.01+153721.0, Gaia DR2 3922267080779305728, Gaia EDR3 3922267080779305728, WD 1212+158, TIC 335826787
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 14 40.00 (0.07) | 12 14 40.01 | 12 14 40.00 (0.07) | 12 14 40.01 | 12 14 40.03 (0.07) | 12 14 39.65 | |||
| Declination | 15 37 20.85 (0.05) | 15 37 21.08 | 15 37 20.85 (0.05) | 15 37 21.00 | 15 37 21.07 (0.05) | 15 37 13.44 | |||
| Spectral type | DA+K | DA+K | DA1.1 K | ||||||
| Effective temperature | [K] | 44479.0 (1268) | |||||||
| log(g) | [cgs] | 7.47 (0.1) | |||||||
| Mass | [M☉] | 0.47 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.43 (0.09) | 2.06 (0.09) | 2.43 (0.09) | |||||
| Distance | [pc] | 412.06 (15) | 486.57 (21) | 412.05 (15) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -23.65375127 (0.09) | -24.20374691 (0.1) | -23.654 (0.09) | |||||
| Proper motion (declination) | [mas/yr] | -13.82988028 (0.06) | -14.48059402 (0.1) | -13.83 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 13.74 (0.03) | ||||||||
| H magnitude | 13.09 (0.002) | ||||||||
| K magnitude | 12.95 (0.003) | ||||||||
| u magnitude | 16.94 (0.007) | 16.96 | 16.94 (0.007) | 16.96 | |||||
| g magnitude | 16.42 (0.004) | 16.35 | 16.40 (0.004) | 16.34 | |||||
| r magnitude | 15.62 (0.003) | 15.59 | 15.62 (0.003) | 15.58 | |||||
| i magnitude | 15.15 (0.004) | 15.18 | 15.16 (0.004) | 15.18 | |||||
| z magnitude | 14.86 (0.004) | 14.87 | 14.84 (0.004) | 14.86 | |||||
| G magnitude | 15.60 (0.004) | 15.61 | 15.60 (0.003) | ||||||
| BP magnitude | 16.14 (0.004) | 16.16 | |||||||
| RP magnitude | 14.79 (0.003) | 14.81 | |||||||
| Pan g magnitude | 16.37 (0.003) | ||||||||
| Pan r magnitude | 15.67 (0.008) | ||||||||
| Pan i magnitude | 15.23 (0.004) | ||||||||
| Pan z magnitude | 14.99 (0.01) | ||||||||
| Pan y magnitude | 14.83 (0.005) | ||||||||
| E(B-V) | 0.022 | ||||||||
* 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.