All names: Gaia EDR3 842006833480696704, SBSS 1148+564, GALEX J115038.4+560844, Gaia DR2 842006833480696704, UCAC4 731-050422, WISEA J115038.42+560844.7, Gaia DR3 842006833480696704, WISE J115038.45+560844.8, SDSS J115038.42+560844.9, TIC 137809550, 2MASS J11503842+5608448, WD 1148+564
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 11 50 38.41 (0.2) | 11 50 38.41 (0.2) | 11 50 38.43 (0.2) | 11 50 38.42 | |||
| Declination | 56 08 44.86 (0.1) | 56 08 44.87 (0.2) | 56 08 45.01 (0.1) | 56 08 43.08 | |||
| Spectral type | DA | 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] | 0.91 (0.2) | 1.61 (0.3) | 0.91 (0.2) | |||
| Distance | [pc] | 1100.10 (253) | 621.61 (121) | 1100.11 (253) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -6.333286042 (0.2) | -5.523806101 (0.4) | -6.333 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -8.996225198 (0.2) | -9.528544778 (0.4) | -8.996 (0.2) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 14.66 (0.1) | ||||||
| V magnitude | 14.82 (0.01) | ||||||
| R magnitude | 14.98 (0.1) | ||||||
| I magnitude | |||||||
| J magnitude | 14.63 (0.03) | ||||||
| H magnitude | 14.59 (0.05) | ||||||
| K magnitude | 14.59 (0.08) | ||||||
| u magnitude | 15.69 (0.005) | ||||||
| g magnitude | 14.72 (0.005) | ||||||
| r magnitude | 14.90 (0.005) | ||||||
| i magnitude | 15.06 (0.005) | ||||||
| z magnitude | 15.20 (0.007) | ||||||
| G magnitude | 14.94 (0.002) | 14.88 | 14.94 (0.003) | ||||
| BP magnitude | 14.82 (0.002) | 14.81 | |||||
| RP magnitude | 14.75 (0.001) | 14.75 | |||||
| Pan g magnitude | 14.77 (0.004) | ||||||
| Pan r magnitude | 14.94 (0.003) | ||||||
| Pan i magnitude | 15.14 (0.005) | ||||||
| Pan z magnitude | 15.29 (0.007) | ||||||
| Pan y magnitude | 15.28 (0.009) | ||||||
| E(B-V) | 0.021 | ||||||
* 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.