All names: LAMOST J055411.88+220459.7, Gaia DR2 3424284928686342784, Gaia DR3 3424284928686342784, UCAC4 561-022240, SDSS J055411.88+220459.8, 2MASS J05541189+2204599, WISEA J055411.88+220459.8, WISE J055411.88+220459.8
| Parameter | Unit | Stilism | Guo et al. 2015 | Simbad |
|---|---|---|---|---|
| Right ascension | 05 54 11.89 (0.01) | |||
| Declination | 22 04 59.84 (0.01) | |||
| Spectral type | DAZ? | |||
| Effective temperature | [K] | 27754.0 (488) | ||
| log(g) | [cgs] | 7.34 (0.08) | ||
| Mass | [M☉] | 0.38 (0.02) | ||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.68 (0.01) | ||
| Distance | [pc] | 1469.29 (32) | ||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.944 (0.02) | ||
| Proper motion (declination) | [mas/yr] | -3.539 (0.01) | ||
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.61 (0.05) | |||
| V magnitude | 13.26 (0.06) | |||
| R magnitude | 13.18 (0.06) | |||
| I magnitude | ||||
| J magnitude | 12.39 (0.02) | |||
| H magnitude | 12.32 (0.02) | |||
| K magnitude | 12.20 (0.02) | |||
| u magnitude | ||||
| g magnitude | 13.38 (0.04) | |||
| r magnitude | 13.21 (0.06) | |||
| i magnitude | 13.34 (0.4) | |||
| z magnitude | ||||
| G magnitude | 13.16 (0.003) | |||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.418 | |||
* 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.