All names: Gaia EDR3 1251393289249858304, SDSS J134444.41+224607.1, Gaia DR2 1251393289249858304, Gaia DR3 1251393289249858304, 2MASS J13444441+2246071, GALEX J134444.4+224606, WD 1342+230, [SGR2010] J1344+2246, TIC 383474043
| 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 | 13 44 44.41 (0.03) | 13 44 44.41 | 13 44 44.41 (0.05) | 13 44 44.41 | 13 44 44.41 (0.03) | 13 44 44.45 | |||
| Declination | 22 46 06.94 (0.03) | 22 46 07.13 | 22 46 06.95 (0.04) | 22 46 07.10 | 22 46 07.07 (0.03) | 22 46 04.44 | |||
| Spectral type | WD+M | D+M2 | WD+M2 | ||||||
| Effective temperature | [K] | ||||||||
| log(g) | [cgs] | ||||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.76 (0.06) | 3.64 (0.07) | 3.76 (0.06) | |||||
| Distance | [pc] | 265.75 (4) | 274.41 (6) | 265.75 (4) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.664071257 (0.06) | -4.500882443 (0.1) | -4.664 (0.06) | |||||
| Proper motion (declination) | [mas/yr] | -7.813942223 (0.04) | -7.397675968 (0.08) | -7.814 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 12.98 (0.03) | ||||||||
| H magnitude | 12.37 (0.04) | ||||||||
| K magnitude | 12.16 (0.02) | ||||||||
| u magnitude | 19.02 (0.02) | 19.06 | 19.05 (0.03) | 19.05 | |||||
| g magnitude | 17.27 (0.005) | 17.29 | 17.27 (0.005) | 17.27 | |||||
| r magnitude | 15.99 (0.004) | 16.01 | 15.99 (0.004) | 15.99 | |||||
| i magnitude | 14.97 (0.005) | 14.97 | 14.97 (0.005) | 14.97 | |||||
| z magnitude | 14.37 (0.005) | 14.40 | 14.37 (0.005) | 14.37 | |||||
| G magnitude | 15.66 (0.004) | 15.66 | 15.66 (0.003) | ||||||
| BP magnitude | 16.78 (0.004) | 16.80 | |||||||
| RP magnitude | 14.53 (0.001) | 14.55 | |||||||
| Pan g magnitude | 17.05 (0.004) | ||||||||
| Pan r magnitude | 15.99 (0.005) | ||||||||
| Pan i magnitude | 14.96 (0.001) | ||||||||
| Pan z magnitude | 14.47 (0.002) | ||||||||
| Pan y magnitude | 14.20 (0.004) | ||||||||
| E(B-V) | 0.020 | ||||||||
* 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.