All names: LAMOST J114633.94+005510.2, GALEX J114633.9+005511, SDSS J114633.93+005510.3, WD 1144+011, LBQS 1144+0111, EPIC 201525706, Gaia DR2 3796268678937618560, 2QZ J114633.8+005509, Gaia DR3 3796268678937618560, AP J11463394+0055104, Gaia EDR3 3796268678937618560, 2MASS J11463394+0055104, TIC 325253198
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 11 46 33.94 (0.07) | 11 46 33.94 (0.1) | 11 46 33.94 (0.07) | 11 46 33.84 | |||
| Declination | 00 55 10.21 (0.05) | 00 55 10.21 (0.07) | 00 55 10.28 (0.05) | 00 55 07.68 | |||
| Spectral type | DA+Me | DA+dME | |||||
| 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] | 4.85 (0.08) | 4.74 (0.1) | 4.85 (0.08) | |||
| Distance | [pc] | 206.00 (4) | 210.88 (6) | 206.00 (4) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -1.166561399 (0.09) | -1.155780404 (0.2) | -1.167 (0.09) | |||
| Proper motion (declination) | [mas/yr] | -3.995206811 (0.06) | -3.879519841 (0.1) | -3.995 (0.06) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 14.01 (0.02) | ||||||
| H magnitude | 13.40 (0.02) | ||||||
| K magnitude | 13.08 (0.04) | ||||||
| u magnitude | 18.89 (0.02) | ||||||
| g magnitude | 18.09 (0.006) | ||||||
| r magnitude | 17.29 (0.006) | ||||||
| i magnitude | 16.11 (0.006) | ||||||
| z magnitude | 15.39 (0.006) | ||||||
| G magnitude | 16.72 (0.01) | 16.74 | 16.72 (0.003) | ||||
| BP magnitude | 17.84 (0.01) | 17.83 | |||||
| RP magnitude | 15.63 (0.004) | 15.64 | |||||
| Pan g magnitude | 17.97 (0.01) | ||||||
| Pan r magnitude | 17.27 (0.008) | ||||||
| Pan i magnitude | 16.12 (0.003) | ||||||
| Pan z magnitude | 15.52 (0.002) | ||||||
| Pan y magnitude | 15.23 (0.008) | ||||||
| E(B-V) | 0.018 | ||||||
* 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.