All names: WISE J080342.85+425652.6, SDSS J080342.86+425652.6, SDSS J080342.85+425652.7, NPM1G +43.0108, SDSS J080342.87+425652.7, SDSS J080342.86+425652.7, 2MASS J08034287+4256525, 2MASX J08034286+4256530, TIC 39697596, WD 0800+430, Gaia DR2 922744762581250688, LEDA 2209603, WIRED J080342.86+425652.7, WISEA J080342.86+425652.3
| Parameter | Unit | SDSS DR12 | Gaia DR2 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 08 03 42.86 | 08 03 42.85 (17) | 08 03 42.86 | 08 03 42.86 | 08 03 42.46 | |
| Declination | 42 56 52.68 | 42 56 52.96 (11) | 42 56 52.68 | 42 56 52.75 | 42 56 49.56 | |
| Spectral type | D | WD:+M | WD: d | |||
| Effective temperature | [K] | 6300.0 (2) | ||||
| log(g) | [cgs] | 8.97 (0.04) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | |||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | |||||
| Proper motion (declination) | [mas/yr] | |||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | WDMS | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 13.82 (0.03) | |||||
| H magnitude | 13.14 (0.03) | |||||
| K magnitude | 12.83 (0.04) | |||||
| u magnitude | 18.58 (0.03) | 18.57 (0.03) | 20.17 (0.04) | 20.17 | ||
| g magnitude | 16.89 (0.004) | 16.89 (0.004) | 18.25 (0.02) | 18.25 | ||
| r magnitude | 15.97 (0.003) | 15.97 (0.003) | 17.25 (0.03) | 17.25 | ||
| i magnitude | 15.30 (0.004) | 15.30 (0.004) | 16.29 (0.03) | 16.29 | ||
| z magnitude | 14.72 (0.005) | 14.72 (0.005) | 15.54 (0.03) | 15.54 | ||
| G magnitude | 18.71 | |||||
| BP magnitude | ||||||
| RP magnitude | ||||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | ||||||
* 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.