All names: SDSS J205546.93-005444.4, Gaia EDR3 6917353075717509376, 2MASS J20554693-0054443, CRTS J205546.8-005443, SDSS J205546.93-005444.3, ZTF J205546.93-005444.4, WD 2053-011, Gaia DR2 6917353075717509376, TIC 248775458, Gaia DR3 6917353075717509376, ATO J313.9455-00.9123
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 20 55 46.94 (0.03) | 20 55 46.94 (0.04) | 20 55 46.94 (0.03) | 20 55 46.63 | |||
| Declination | -00 54 44.48 (0.02) | -00 54 44.47 (0.03) | -00 54 44.37 (0.02) | -00 54 40.68 | |||
| Spectral type | DAZ+dM | DAZ d | |||||
| 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] | 0.58 (0.04) | 0.54 (0.05) | 0.58 (0.04) | |||
| Distance | [pc] | 1732.14 (115) | 1839.93 (164) | 1732.20 (115) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 2.904277277 (0.04) | 3.04 (0.09) | 2.904 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -6.541074353 (0.03) | -6.36 (0.06) | -6.541 (0.03) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | 15.18 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 14.13 (0.03) | ||||||
| H magnitude | 13.80 (0.04) | ||||||
| K magnitude | 13.80 (0.05) | ||||||
| u magnitude | 17.13 (0.008) | 17.11 | |||||
| g magnitude | 15.71 (0.004) | 15.71 | |||||
| r magnitude | 15.20 (0.004) | 15.19 | |||||
| i magnitude | 15.01 (0.004) | 15.00 | |||||
| z magnitude | 14.91 (0.005) | 14.91 | |||||
| G magnitude | 15.43 (0.02) | 15.44 | 15.43 (0.009) | ||||
| BP magnitude | 15.80 (0.02) | ||||||
| RP magnitude | 14.87 (0.02) | ||||||
| Pan g magnitude | 15.84 (0.04) | ||||||
| Pan r magnitude | 15.24 (0.01) | ||||||
| Pan i magnitude | 15.22 (0.06) | ||||||
| Pan z magnitude | 14.94 (0.004) | ||||||
| Pan y magnitude | 15.20 (0.03) | ||||||
| E(B-V) | 0.044 | ||||||
* 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.