All names: WISE J114635.21+001233.3, MGC 24208, Gaia DR2 3795664157996369024, SDSS J114635.23+001233.5, Gaia EDR3 3795664157996369024, UCAC4 452-050516, RX J1146.5+0012, [ZEH2003] RX J1146.5+0012 2, SDSS J114635.23+001233.6, 1RXS J114634.6+001238, WD 1144+004, PG 1144+005, 2MASS J11463516+0012336, LAMOST J114635.33+001232.4, Gaia DR3 3795664157996369024, TIC 325253096, FBS 1144+006, SDSS J114635.22+001233.4, [CDK2003] X-11, SDSS J114635.23+001233.4, GALEX J114635.2+001232, WIRED J114635.23+001233.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Werner & Herwig 2006 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 46 35.22 (0.05) | 11 46 35.22 | 11 46 35.22 (0.07) | 11 46 35.23 (0.05) | 11 46 35.23 | 11 46 34.78 | 11 46 35.23 | ||||||
| Declination | 00 12 33.41 (0.04) | 00 12 33.43 | 00 12 33.41 (0.05) | 00 12 33.54 (0.04) | 00 12 33.52 | 00 12 31.68 | 00 12 33.43 | ||||||
| Spectral type | PG1159 | PG1159 | DQZ01 | PG1159 | PG1159 | DQZO1 | PG1159 | ||||||
| Effective temperature | [K] | 150000.0 | 100000.0 (794) | 100000.0 (794) | |||||||||
| log(g) | [cgs] | 6.50 | 5.00 (0.002) | 5.00 (0.003) | |||||||||
| Mass | [M☉] | 0.6 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | 0.1760912591 | ||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 0.80 (0.06) | 0.90 (0.08) | 0.80 (0.06) | |||||||||
| Distance | [pc] | 1247.41 (90) | 1108.16 (103) | 1247.35 (90) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.781492774 (0.07) | -10.063 (0.1) | -9.781 (0.07) | -4.1 | ||||||||
| Proper motion (declination) | [mas/yr] | -8.358821016 (0.05) | -8.344 (0.09) | -8.359 (0.04) | -6.3 | ||||||||
| Variability | NOV | ||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 14.92 (0.03) | ||||||||||||
| V magnitude | 15.23 (0.06) | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.98 (0.1) | ||||||||||||
| H magnitude | 16.13 (0.2) | ||||||||||||
| K magnitude | 16.28 (0.04) | ||||||||||||
| u magnitude | 14.39 (0.005) | 14.36 | 14.42 (0.01) | 14.37 (0.01) | 14.37 | 14.42 (0.01) | |||||||
| g magnitude | 14.88 (0.004) | 14.88 | 14.91 (0.02) | 14.87 (0.03) | 14.86 | 14.92 (0.02) | |||||||
| r magnitude | 15.43 (0.005) | 15.43 | 15.45 (0.2) | 15.44 (0.02) | 15.43 | 15.49 (0.01) | |||||||
| i magnitude | 15.84 (0.005) | 15.84 | 15.88 (0.07) | 15.83 (0.02) | 15.82 | 15.86 (0.01) | |||||||
| z magnitude | 16.20 (0.008) | 16.20 | 16.21 (0.01) | 16.16 (0.03) | 16.16 | 16.21 (0.01) | |||||||
| G magnitude | 15.16 (0.003) | 15.17 | 15.16 (0.003) | ||||||||||
| BP magnitude | 14.96 (0.003) | 14.91 | |||||||||||
| RP magnitude | 15.54 (0.004) | 15.53 | |||||||||||
| Pan g magnitude | 14.98 (0.006) | ||||||||||||
| Pan r magnitude | 15.46 (0.007) | ||||||||||||
| Pan i magnitude | 15.86 (0.007) | ||||||||||||
| Pan z magnitude | 16.17 (0.004) | ||||||||||||
| Pan y magnitude | 16.39 (0.004) | ||||||||||||
| E(B-V) | 0.022 | ||||||||||||
* 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.