All names: WISEA J134406.28+212040.7, ** SKF 1746, 2MASS J13440633+2120405, Gaia DR2 1249467082317117824, SDSS J134406.32+212040.4, WISE J134406.29+212040.8, Gaia EDR3 1249467082317117824, WIRED J134406.32+212040.3, USNO-B1.0 1113-00222132, WDS J13441+2121AB, TIC 383467361
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 13 44 06.29 (0.1) | 13 44 06.32 | 13 44 06.29 (0.2) | 13 44 06.32 (82) | 13 44 06.32 | ||
| Declination | 21 20 40.52 (0.1) | 21 20 40.35 | 21 20 40.51 (0.2) | 21 20 40.58 (139) | 21 20 40.37 | ||
| Spectral type | DA+M | DA+M | |||||
| Effective temperature | [K] | 8262.0 (69) | |||||
| log(g) | [cgs] | 7.33 (0.1) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 1.21 (0.2) | 1.24 (0.2) | ||||
| Distance | [pc] | 826.13 (134) | 803.63 (158) | ||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -34.21739398 (0.2) | -34.97688012 (0.5) | -30.0 (2) | |||
| Proper motion (declination) | [mas/yr] | 22.97860997 (0.1) | 23.34232182 (0.3) | 26.0 (3) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | ||||||
| B magnitude | 20.00 | ||||||
| V magnitude | |||||||
| R magnitude | 19.40 | ||||||
| I magnitude | |||||||
| J magnitude | 16.45 (0.1) | ||||||
| H magnitude | 16.07 (0.2) | ||||||
| K magnitude | 15.79 (0.2) | ||||||
| u magnitude | 19.18 (0.02) | 19.21 (0.03) | |||||
| g magnitude | 19.23 (0.01) | 19.33 (0.05) | |||||
| r magnitude | 19.13 (0.01) | 19.16 (0.03) | |||||
| i magnitude | 18.67 (0.01) | 18.65 (0.02) | |||||
| z magnitude | 18.02 (0.02) | 18.20 (0.03) | |||||
| G magnitude | 18.81 (0.02) | 18.83 | |||||
| BP magnitude | 19.11 (0.02) | 19.04 | |||||
| RP magnitude | 17.97 (0.01) | 18.02 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| 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.