All names: Gaia DR2 3869545356493075712, LP 491-19, SDSS J104928.76+095858.9, WD 1046+102A, WIRED J104928.76+095859.0, WDJ104928.82+095859.58, SDSS J104928.76+095859.0, LP491-019, PSO J104928.710+095858.641
| Parameter | Unit | MWDD H | MWDD HE | Pan-STARRS DR1 | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 49 28.68 | 10 49 28.68 (0.1) | 10 49 28.76 | 10 49 28.76 | 10 49 28.68 | 10 49 29.42 | 10 49 28.76 | 10 49 28.76 | ||||
| Declination | 09 58 58.17 | 09 58 58.17 (0.1) | 09 58 59.02 | 09 58 58.99 | 09 58 58.17 | 09 59 06.72 | 09 58 59.00 | 09 58 59.00 | ||||
| Spectral type | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6846.0 | 6586.0 | 6892.0 (30) | 6927.0 (31) | |||||||
| log(g) | [cgs] | 8.25 | 8.14 | 8.07 (0.05) | 8.25 (0.06) | |||||||
| Mass | [M☉] | 0.7509999999999999 | 0.66 | 0.632 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.6880 | 2.4680 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 19.63 (0.2) | 19.63 (0.2) | |||||||||
| Distance | [pc] | 50.94 (0.4) | 50.94 (0.4) | |||||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -135.4781051 (0.3) | -135.0 | -135.4781051 | ||||||||
| Proper motion (declination) | [mas/yr] | -91.4850127 (0.2) | -93.0 | -91.4850127 | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | yes | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | 17.30 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.75 | |||||||||||
| H magnitude | 16.57 | |||||||||||
| K magnitude | 16.55 | |||||||||||
| u magnitude | 18.18 (0.01) | 18.17 | 18.18 (0.01) | 18.17 (0.02) | 18.17 (0.02) | |||||||
| g magnitude | 17.62 (0.005) | 17.63 | 17.62 (0.005) | 17.63 (0.01) | 17.63 (0.01) | |||||||
| r magnitude | 17.42 (0.006) | 17.43 | 17.43 (0.006) | 17.43 (0.01) | 17.43 (0.01) | |||||||
| i magnitude | 17.38 (0.006) | 17.39 | 17.38 (0.006) | 17.39 (0.01) | 17.39 (0.01) | |||||||
| z magnitude | 17.41 (0.01) | 17.42 | 17.41 (0.01) | 17.42 (0.02) | 17.42 (0.02) | |||||||
| G magnitude | 17.42 | 17.42 | ||||||||||
| BP magnitude | 17.60 | 17.60 | ||||||||||
| RP magnitude | 17.05 | 17.05 | ||||||||||
| Pan g magnitude | 17.61 (0.004) | 17.61 (0.004) | ||||||||||
| Pan r magnitude | 17.44 (0.004) | 17.44 (0.004) | ||||||||||
| Pan i magnitude | 17.39 (0.004) | 17.39 (0.004) | ||||||||||
| Pan z magnitude | 17.43 (0.006) | 17.43 (0.006) | ||||||||||
| Pan y magnitude | 17.45 (0.007) | 17.45 (0.007) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.