All names: SDSS J080144.38+221650.1, Gaia EDR3 674107108656406784, WISE J080144.32+221649.8, [HHD2009] SDSS J0801+2216, WISEA J080144.34+221649.6, SDSS J080144.39+221650.1, WIRED J080144.38+221650.1, WD 0758+224, SDSS J080144.39+221650.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 01 44.40 (0.4) | 08 01 44.39 | 08 01 44.38 | 08 01 44.39 | 08 01 44.39 | 08 01 44.52 | 08 01 44.39 | |||
| Declination | 22 16 49.92 (0.3) | 22 16 50.16 | 22 16 50.09 | 22 16 50.16 | 22 16 50.12 | 22 16 44.04 | 22 16 50.15 | |||
| Spectral type | DA+M | DA+M | DA+M | DA d | DA+M | |||||
| Effective temperature | [K] | 11835.0 (858) | 8946.0 (98) | 9050.0 (127) | ||||||
| log(g) | [cgs] | 7.20 (0.5) | 8.37 (0.1) | 8.20 (0.2) | ||||||
| Mass | [M☉] | 0.28 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.57 (0.5) | ||||||||
| Distance | [pc] | 635.51 (191) | 270.00 (7) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.128605531 (0.5) | -5.7 | |||||||
| Proper motion (declination) | [mas/yr] | -20.21570446 (0.3) | -21.9 | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 17.39 (0.02) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.67 (0.03) | 19.71 | 19.67 (0.03) | 19.71 (0.04) | 19.71 | 19.68 (0.04) | ||||
| g magnitude | 19.40 (0.01) | 19.53 | 19.40 (0.01) | 19.52 (0.02) | 19.53 | 19.51 (0.02) | ||||
| r magnitude | 19.49 (0.02) | 19.85 | 19.49 (0.02) | 19.85 (0.03) | 19.85 | 19.84 (0.03) | ||||
| i magnitude | 18.95 (0.01) | 19.13 | 18.95 (0.01) | 19.13 (0.02) | 19.13 | 19.11 (0.02) | ||||
| z magnitude | 18.38 (0.03) | 18.55 | 18.38 (0.03) | 18.55 (0.04) | 18.55 | 18.54 (0.04) | ||||
| G magnitude | 19.70 (0.03) | |||||||||
| BP magnitude | 19.56 (0.03) | |||||||||
| RP magnitude | 18.70 (0.07) | |||||||||
| Pan g magnitude | 19.56 (0.01) | |||||||||
| Pan r magnitude | 19.66 (0.03) | |||||||||
| Pan i magnitude | 19.11 (0.02) | |||||||||
| Pan z magnitude | 18.70 (0.02) | |||||||||
| Pan y magnitude | 18.42 (0.02) | |||||||||
| E(B-V) | 0.038 | |||||||||
* 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.