All names: 2MASS J12414136+1405388, WD 1239+143, [SGR2010] J1241+1405, Gaia DR3 3932364510236662400, WIRED J124141.36+140539.4, SDSS J124141.36+140539.4, SDSS J124141.37+140539.5, Gaia EDR3 3932364510236662400, [HHD2009] SDSS J1241+1405, Gaia DR2 3932364510236662400, TIC 460815144, SDSS J124141.28+140539.5, SDSS J124141.37+140539.4
| 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) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 41 41.36 (0.5) | 12 41 41.37 | 12 41 41.36 (0.7) | 12 41 41.36 | 12 41 41.37 (0.5) | 12 41 40.78 | 12 41 41.37 | |||
| Declination | 14 05 39.34 (0.3) | 14 05 39.45 | 14 05 39.35 (0.5) | 14 05 39.41 | 14 05 39.41 (0.3) | 14 05 33.36 | 14 05 39.46 | |||
| Spectral type | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 30772.0 (1048) | 6313.0 (17) | |||||||
| log(g) | [cgs] | 7.90 (0.2) | 6.15 (0.3) | |||||||
| Mass | [M☉] | 0.6 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.52 (0.6) | 0.95 (0.8) | 1.52 (0.6) | ||||||
| Distance | [pc] | 659.97 (262) | 1051.57 (875) | 264.00 (12) | 659.98 (262) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.7719 (0.7) | -9.814566156 (1) | -8.772 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | -4.201222525 (0.7) | -3.165154072 (0.8) | -4.201 (0.7) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.78 (0.02) | |||||||||
| H magnitude | 16.23 (0.02) | |||||||||
| K magnitude | 15.98 (0.03) | |||||||||
| u magnitude | 19.23 (0.02) | 19.23 | 19.23 (0.03) | 19.23 | 19.22 (0.03) | |||||
| g magnitude | 19.29 (0.01) | 19.35 | 19.31 (0.01) | 19.35 | 19.33 (0.02) | |||||
| r magnitude | 19.21 (0.01) | 19.26 | 19.22 (0.01) | 19.26 | 19.25 (0.02) | |||||
| i magnitude | 18.54 (0.01) | 18.54 | 18.53 (0.01) | 18.54 | 18.53 (0.01) | |||||
| z magnitude | 18.07 (0.02) | 18.11 | 18.09 (0.02) | 18.10 | 18.09 (0.02) | |||||
| G magnitude | 19.06 (0.03) | 19.00 | 19.06 (0.007) | |||||||
| BP magnitude | 19.31 (0.03) | 19.23 | ||||||||
| RP magnitude | 18.13 (0.02) | 18.15 | ||||||||
| Pan g magnitude | 19.34 (0.008) | |||||||||
| Pan r magnitude | 19.21 (0.01) | |||||||||
| Pan i magnitude | 18.58 (0.01) | |||||||||
| Pan z magnitude | 18.16 (0.008) | |||||||||
| Pan y magnitude | 17.92 (0.01) | |||||||||
| E(B-V) | 0.025 | |||||||||
* 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.