All names: 2MASS J13422784+5720167, WISEA J134227.82+572016.4, WD 1340+575, TIC 141818373, SBSS 1340+575, Gaia DR3 1658766779747293568, USNO-B1.0 1473-00285187, WISE J134227.83+572016.4, Gaia EDR3 1658766779747293568, Gaia DR2 1658766779747293568, UCAC4 737-052619, SDSS J134227.83+572016.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 13 42 27.82 (0.03) | 13 42 27.82 (0.03) | 13 42 27.84 (0.03) | 13 42 27.86 | |||
| Declination | 57 20 16.20 (0.03) | 57 20 16.21 (0.03) | 57 20 16.63 (0.03) | 57 20 12.84 | |||
| Spectral type | sdB | DA: | |||||
| 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] | 0.47 (0.04) | 0.49 (0.04) | 0.47 (0.04) | |||
| Distance | [pc] | 2136.79 (160) | 2059.31 (171) | 2136.75 (160) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -11.51174908 (0.04) | -11.514 (0.07) | -11.512 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -26.49789963 (0.05) | -26.536 (0.06) | -26.498 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.82 (0.08) | ||||||
| V magnitude | 16.27 (0.01) | ||||||
| R magnitude | 15.50 | ||||||
| I magnitude | |||||||
| J magnitude | 15.36 (0.04) | ||||||
| H magnitude | 15.05 (0.08) | ||||||
| K magnitude | 14.93 (0.1) | ||||||
| u magnitude | 17.24 (0.008) | ||||||
| g magnitude | 16.43 (0.004) | ||||||
| r magnitude | 16.16 (0.004) | ||||||
| i magnitude | 16.11 (0.004) | ||||||
| z magnitude | 16.13 (0.007) | ||||||
| G magnitude | 16.14 (0.003) | 16.15 | 16.14 (0.003) | ||||
| BP magnitude | 16.37 (0.003) | 16.38 | |||||
| RP magnitude | 15.76 (0.003) | 15.75 | |||||
| Pan g magnitude | 16.37 (0.005) | ||||||
| Pan r magnitude | 16.16 (0.003) | ||||||
| Pan i magnitude | 16.10 (0.004) | ||||||
| Pan z magnitude | 16.12 (0.004) | ||||||
| Pan y magnitude | 16.11 (0.005) | ||||||
| E(B-V) | 0.019 | ||||||
* 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.