All names: Gaia EDR3 4449217198146441472, Gaia DR3 4449217198146441472, WIRED J165447.75+131651.2, SDSS J165447.76+131651.3, 2MASS J16544776+1316508, TIC 353183865, Gaia DR2 4449217198146441472, GALEX J165447.7+131652
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 54 47.75 (0.1) | 16 54 47.76 | 16 54 47.75 (0.2) | 16 54 47.76 (0.1) | 16 54 47.76 | |||
| Declination | 13 16 51.28 (0.1) | 13 16 51.16 | 13 16 51.27 (0.2) | 13 16 51.09 (0.1) | 13 16 51.25 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 9452.0 (55) | ||||||
| log(g) | [cgs] | 8.20 (0.06) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.22 (0.2) | 2.11 (0.2) | 2.22 (0.2) | ||||
| Distance | [pc] | 450.08 (36) | 474.40 (52) | 450.09 (36) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -1.002743598 (0.2) | -0.800853663 (0.3) | -1.003 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | 11.8252953 (0.2) | 11.9289493 (0.4) | 11.825 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.42 (0.1) | |||||||
| H magnitude | 15.84 (0.2) | |||||||
| K magnitude | 15.58 (0.2) | |||||||
| u magnitude | 19.68 (0.04) | 19.60 (0.04) | 19.60 (0.04) | |||||
| g magnitude | 19.15 (0.01) | 19.16 (0.01) | 19.16 (0.01) | |||||
| r magnitude | 19.09 (0.01) | 19.08 (0.01) | 19.08 (0.01) | |||||
| i magnitude | 18.34 (0.01) | 18.35 (0.02) | 18.35 (0.02) | |||||
| z magnitude | 17.70 (0.02) | 17.78 (0.02) | 17.78 (0.02) | |||||
| G magnitude | 18.69 (0.03) | 18.70 | 18.69 (0.003) | |||||
| BP magnitude | 19.22 (0.03) | 19.22 | ||||||
| RP magnitude | 17.87 (0.02) | 17.88 | ||||||
| Pan g magnitude | 19.15 (0.009) | |||||||
| Pan r magnitude | 19.07 (0.006) | |||||||
| Pan i magnitude | 18.33 (0.004) | |||||||
| Pan z magnitude | 17.82 (0.009) | |||||||
| Pan y magnitude | 17.55 (0.01) | |||||||
| E(B-V) | 0.059 | |||||||
* 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.