All names: Gaia EDR3 1307531879064261504, Gaia DR3 1307531879064261504, Gaia DR2 1307531879064261504, WD 1641+272, SDSS J164303.05+271119.5, 2MASS J16430308+2711198, TIC 458525022, GALEX J164303.0+271119, SDSS J164303.06+271119.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 43 03.05 (0.08) | 16 43 03.06 | 16 43 03.05 (0.09) | 16 43 03.06 (0.08) | 16 43 02.38 | |||
| Declination | 27 11 19.45 (0.09) | 27 11 19.48 | 27 11 19.45 (0.1) | 27 11 19.48 (0.09) | 27 11 13.56 | |||
| Spectral type | D+K | WD K | ||||||
| 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] | 0.64 (0.1) | 0.82 (0.1) | 0.64 (0.1) | ||||
| Distance | [pc] | 1573.83 (275) | 1213.38 (210) | 1573.81 (274) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -7.750431877 (0.1) | -7.471651623 (0.2) | -7.75 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -1.613673045 (0.1) | -1.119603563 (0.3) | -1.614 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.29 (0.1) | |||||||
| H magnitude | 15.89 (0.2) | |||||||
| K magnitude | 15.77 (0.2) | |||||||
| u magnitude | 19.22 (0.03) | 19.21 (0.03) | 19.19 | |||||
| g magnitude | 18.95 (0.01) | 18.94 (0.01) | 18.94 | |||||
| r magnitude | 18.38 (0.009) | 18.36 (0.008) | 18.34 | |||||
| i magnitude | 17.98 (0.009) | 17.97 (0.008) | 17.96 | |||||
| z magnitude | 17.73 (0.02) | 17.70 (0.02) | 17.68 | |||||
| G magnitude | 18.25 (0.01) | 18.28 | 18.25 (0.003) | |||||
| BP magnitude | 18.73 (0.01) | 18.76 | ||||||
| RP magnitude | 17.58 (0.01) | 17.58 | ||||||
| Pan g magnitude | 18.87 (0.009) | |||||||
| Pan r magnitude | 18.34 (0.008) | |||||||
| Pan i magnitude | 17.97 (0.004) | |||||||
| Pan z magnitude | 17.77 (0.008) | |||||||
| Pan y magnitude | 17.64 (0.01) | |||||||
| E(B-V) | 0.028 | |||||||
* 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.