All names: WIRED J134008.04+082248.4, ** SKF 1745, Gaia DR2 3724808020929722240, TIC 379082464, WD 1337+086, SDSS J134008.04+082248.5, 2MASS J13400805+0822485, SDSS J134008.04+082248.4, Gaia EDR3 3724808020929722240, WDS J13401+0823AB, LAMOST J134008.18+082249.2, WISE J134007.99+082248.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 40 07.99 (0.1) | 13 40 08.03 | 13 40 08.00 (0.2) | 13 40 08.04 | 13 40 08.06 (80) | 13 40 07.58 | 13 40 08.04 | ||||
| Declination | 08 22 48.81 (0.09) | 08 22 48.24 | 08 22 48.82 (0.1) | 08 22 48.40 | 08 22 48.52 (70) | 08 22 43.68 | 08 22 48.47 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA4.8 M | DA+M | ||||||
| Effective temperature | [K] | 11118.0 (190) | 6301.0 (6) | ||||||||
| log(g) | [cgs] | 8.26 (0.1) | 5.00 (0.008) | ||||||||
| Mass | [M☉] | 0.765 (0.07) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 6.13 (0.1) | 6.21 (0.2) | ||||||||
| Distance | [pc] | 163.08 (4) | 161.13 (5) | 665.00 (70) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -93.92808659 (0.2) | -94.51073077 (0.5) | ||||||||
| Proper motion (declination) | [mas/yr] | -24.56637242 (0.1) | -24.54460192 (0.2) | ||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 13.94 (0.03) | ||||||||||
| H magnitude | 13.42 (0.03) | ||||||||||
| K magnitude | 13.14 (0.04) | ||||||||||
| u magnitude | 23.48 (0.8) | 18.42 | 18.41 | 18.42 (0.02) | |||||||
| g magnitude | 19.62 (0.02) | 17.79 | 17.79 | 17.80 (0.02) | |||||||
| r magnitude | 17.65 (0.006) | 17.35 | 17.35 | 17.36 (0.02) | |||||||
| i magnitude | 16.10 (0.004) | 16.12 | 16.11 | 16.12 (0.02) | |||||||
| z magnitude | 15.36 (0.005) | 15.39 | 15.38 | 15.39 (0.02) | |||||||
| G magnitude | 18.04 | 18.06 | |||||||||
| BP magnitude | |||||||||||
| RP magnitude | |||||||||||
| Pan g magnitude | 17.70 (0.02) | ||||||||||
| Pan r magnitude | 17.30 (0.01) | ||||||||||
| Pan i magnitude | 16.13 (0.006) | ||||||||||
| Pan z magnitude | 15.48 (0.004) | ||||||||||
| Pan y magnitude | 15.18 (0.005) | ||||||||||
| E(B-V) | 0.021 | ||||||||||
* 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.