All names: NLTT 41991, SDSS J160619.81+254702.9, Gaia DR2 1315371255234720896, LP 385-31, LSPM J1606+2547, SDSS J160619.81+254702.8, WD 1604+259, USNO-B1.0 1157-00234054
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 16 06 19.87 (0.1) | |
| Declination | 25 47 03.32 (0.1) | |
| Spectral type | DZA | |
| 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] | 18.82 (0.2) |
| Distance | [pc] | 53.14 (0.5) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -226.421 (0.3) |
| Proper motion (declination) | [mas/yr] | -122.908 (0.3) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 20.00 | |
| V magnitude | ||
| R magnitude | 18.30 | |
| I magnitude | ||
| J magnitude | 17.07 (0.04) | |
| H magnitude | 17.09 (0.06) | |
| K magnitude | 16.84 (0.06) | |
| u magnitude | 21.13 (0.07) | |
| g magnitude | 19.25 (0.01) | |
| r magnitude | 18.46 (0.008) | |
| i magnitude | 18.16 (0.009) | |
| z magnitude | 18.04 (0.02) | |
| G magnitude | 18.52 (0.002) | |
| BP magnitude | ||
| RP magnitude | ||
| Pan g magnitude | ||
| Pan r magnitude | ||
| Pan i magnitude | ||
| Pan z magnitude | ||
| Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.