All names: LP 332-27, NLTT 44902, Gaia DR2 4598830738931385984, USNO-B1.0 1192-00265587, LSPM J1729+2916, SDSS J172929.25+291609.5, 2MASS J17292930+2916094, SDSS J172929.24+291609.4
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 17 29 29.26 (0.04) | |
| Declination | 29 16 09.73 (0.05) | |
| Spectral type | 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] | 24.51 (0.06) |
| Distance | [pc] | 40.80 (0.1) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -145.954 (0.1) |
| Proper motion (declination) | [mas/yr] | -201.471 (0.1) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 16.90 | |
| V magnitude | ||
| R magnitude | 16.80 | |
| I magnitude | ||
| J magnitude | 16.27 (0.1) | |
| H magnitude | 16.82 (0.4) | |
| K magnitude | ||
| u magnitude | 17.71 (0.01) | |
| g magnitude | 17.16 (0.004) | |
| r magnitude | 17.00 (0.004) | |
| i magnitude | 16.96 (0.005) | |
| z magnitude | 17.01 (0.01) | |
| G magnitude | 16.97 (0.0009) | |
| 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.