All names: TIC 345722946, FIRST J163214.5+175849, WISEA J163214.52+175849.6, WISE J163214.52+175849.6, [MML2015] 5BZB J1632+1758, 2MASS J16321452+1758494, Gaia DR2 4467173666136022144, SDSS J163214.52+175849.6, [MGL2009] BZB J1632+1758, USNO-B1.0 1079-00316376, WD 1630+180, NVSS J163214+175848, Gaia DR3 4467173666136022144
| Parameter | Unit | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 16 32 14.53 | 16 32 14.53 (0.3) | 16 32 14.52 | 16 32 14.53 (0.3) | 16 32 14.64 | ||
| Declination | 17 58 49.61 | 17 58 49.60 (0.3) | 17 58 49.58 | 17 58 49.59 (0.3) | 17 58 47.28 | ||
| Spectral type | WD+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] | 0.06 (0.6) | 0.06 (0.6) | ||||
| Distance | [pc] | 15825.64 (139323) | 538.00 (208) | 15822.78 (139276) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.04291371 (0.7) | 0.073 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | 0.885207466 (0.7) | 0.153 (0.4) | ||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | yes | |||||
| B magnitude | 18.80 | ||||||
| V magnitude | |||||||
| R magnitude | 17.20 | ||||||
| I magnitude | |||||||
| J magnitude | 16.47 (0.1) | ||||||
| H magnitude | 15.80 (0.1) | ||||||
| K magnitude | 14.90 (0.1) | ||||||
| u magnitude | 19.26 (0.03) | 19.32 | 19.27 (0.03) | 19.31 | |||
| g magnitude | 18.60 (0.008) | 18.71 | 18.60 (0.008) | 18.70 | |||
| r magnitude | 17.90 (0.007) | 18.06 | 17.90 (0.007) | 18.06 | |||
| i magnitude | 17.50 (0.006) | 17.69 | 17.50 (0.006) | 17.68 | |||
| z magnitude | 17.17 (0.01) | 17.34 | 17.17 (0.01) | 17.34 | |||
| G magnitude | 19.44 | 19.78 (0.01) | |||||
| BP magnitude | 19.37 | ||||||
| RP magnitude | 17.86 | ||||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.054 | ||||||
* 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.