All names: Gaia DR2 1458577907405437056, 2MASS J13474547+3347194, WD 1345+340, SDSS J134745.48+334719.4, Gaia EDR3 1458577907405437056, SDSS J134745.47+334719.4, GALEX J134745.5+334719, TIC 165765750, Gaia DR3 1458577907405437056, LAMOST J134745.48+334719.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 47 45.49 (0.1) | 13 47 45.48 | 13 47 45.49 (0.1) | 13 47 45.47 (0.1) | 13 47 45.60 | |||
| Declination | 33 47 19.38 (0.1) | 33 47 19.43 | 33 47 19.38 (0.1) | 33 47 19.45 (0.1) | 33 47 16.44 | |||
| Spectral type | DA+M | DA3.9 M | ||||||
| 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] | 1.84 (0.2) | 1.60 (0.2) | 1.84 (0.2) | ||||
| Distance | [pc] | 543.82 (64) | 623.81 (92) | 543.83 (64) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 18.24148424 (0.2) | 17.72303139 (0.2) | 18.241 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -4.477333322 (0.1) | -3.621010705 (0.2) | -4.477 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 13.91 (0.02) | |||||||
| H magnitude | 13.30 (0.03) | |||||||
| K magnitude | 13.19 (0.03) | |||||||
| u magnitude | 18.66 (0.02) | 18.65 (0.02) | 18.67 | |||||
| g magnitude | 17.40 (0.005) | 17.41 (0.005) | 17.45 | |||||
| r magnitude | 16.33 (0.004) | 16.33 (0.004) | 16.34 | |||||
| i magnitude | 15.57 (0.004) | 15.57 (0.004) | 15.57 | |||||
| z magnitude | 15.14 (0.005) | 15.16 (0.005) | 15.20 | |||||
| G magnitude | 16.21 (0.004) | 16.17 | 16.21 (0.003) | |||||
| BP magnitude | 17.00 (0.004) | 17.00 | ||||||
| RP magnitude | 15.18 (0.002) | 15.19 | ||||||
| Pan g magnitude | 17.29 (0.006) | |||||||
| Pan r magnitude | 16.34 (0.003) | |||||||
| Pan i magnitude | 15.58 (0.003) | |||||||
| Pan z magnitude | 15.26 (0.003) | |||||||
| Pan y magnitude | 15.06 (0.003) | |||||||
| 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.