All names: SDSS J124356.79-064758.4, WIRED J124356.79-064758.4, WD 1241-065, WISEA J124356.77-064758.7, 2MASS J12435677-0647584, Gaia EDR3 3676698717857041408, Gaia DR2 3676698717857041408, [SGR2010] J1243-0647, TIC 156599897, WISE J124356.76-064758.6
| 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 43 56.77 (0.2) | 12 43 56.79 | 12 43 56.77 (0.2) | 12 43 56.79 | 12 43 56.79 | 12 43 56.21 | 12 43 56.79 | |||
| Declination | -06 47 59.02 (0.08) | -06 47 58.49 | -06 47 59.01 (0.1) | -06 47 58.42 | -06 47 58.49 | -06 47 54.96 | -06 47 58.42 | |||
| Spectral type | DA+M | DA+M4 | DA2.9+M4 | DA+M | ||||||
| Effective temperature | [K] | 15964.0 (150) | 18254.0 (73) | |||||||
| log(g) | [cgs] | 7.91 (0.03) | 7.24 (0.02) | |||||||
| Mass | [M☉] | 0.56 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.92 (0.2) | 3.78 (0.2) | |||||||
| Distance | [pc] | 254.84 (11) | 264.46 (17) | 274.00 (6) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.23091369 (0.2) | -10.35650002 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -25.84194344 (0.2) | -26.97910632 (0.2) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.10 (0.04) | |||||||||
| H magnitude | 14.59 (0.06) | |||||||||
| K magnitude | 14.19 (0.08) | |||||||||
| u magnitude | 18.41 (0.02) | 18.49 | 18.41 (0.02) | 18.44 | 18.49 (0.03) | |||||
| g magnitude | 18.02 (0.006) | 18.10 | 18.02 (0.006) | 18.03 | 18.10 (0.02) | |||||
| r magnitude | 17.87 (0.007) | 18.00 | 17.87 (0.007) | 17.88 | 18.00 (0.01) | |||||
| i magnitude | 17.11 (0.006) | 17.23 | 17.11 (0.006) | 17.10 | 17.23 (0.02) | |||||
| z magnitude | 16.50 (0.01) | 16.58 | 16.50 (0.01) | 16.49 | 16.58 (0.03) | |||||
| G magnitude | 18.20 (0.01) | 18.17 | ||||||||
| BP magnitude | 18.05 (0.01) | 18.02 | ||||||||
| RP magnitude | 16.70 (0.005) | 16.70 | ||||||||
| Pan g magnitude | 18.03 (0.005) | |||||||||
| Pan r magnitude | 17.95 (0.007) | |||||||||
| Pan i magnitude | 17.18 (0.007) | |||||||||
| Pan z magnitude | 16.66 (0.004) | |||||||||
| Pan y magnitude | 16.39 (0.004) | |||||||||
| 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.