All names: 2MASS J02084024+5525303, GD 282, WD 0205+55, Gaia DR3 456853407837257216, UCAC4 728-019731, Gaia EDR3 456853407837257216, EGGR 470, WDJ020840.26+552530.37, Gaia DR2 456853407837257216, TIC 374986216, WD 0205+551
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 08 40.47 (0.02) | 02 08 40.46 (0.03) | 02 08 40.47 | 02 08 40.26 (0.02) | 02 08 40.46 | 02 08 39.53 | ||||
| Declination | 55 25 30.00 (0.03) | 55 25 30.01 (0.04) | 55 25 30.00 | 55 25 30.37 (0.03) | 55 25 30.01 | 55 25 30.00 | ||||
| Spectral type | DA | DA | DA2.9 | DA3 | ||||||
| Effective temperature | [K] | 17330.0 (281) | 16393.0 (160) | |||||||
| log(g) | [cgs] | 8.13 (0.05) | 8.05 (0.009) | |||||||
| Mass | [M☉] | 0.69 (0.03) | 0.643 (0.008) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 11.71 (0.04) | 11.71 (0.06) | 11.71 | 11.71 (0.04) | 11.71 (0.06) | ||||
| Distance | [pc] | 85.42 (0.3) | 85.38 (0.4) | 86.00 | 85.42 | 85.42 (0.3) | 85.38 (0.4) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 111.4294154 (0.03) | 111.3419174 (0.1) | 111.429 (0.03) | 111.3419174 | |||||
| Proper motion (declination) | [mas/yr] | -22.93089169 (0.04) | -22.87456957 (0.1) | -22.931 (0.04) | -22.87456957 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 15.90 (0.04) | |||||||||
| V magnitude | 15.97 (0.01) | |||||||||
| R magnitude | 16.06 (0.1) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.27 (0.1) | |||||||||
| H magnitude | 15.99 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.88 (0.002) | 15.90 | 15.88 | 15.88 (0.003) | 15.90 | |||||
| BP magnitude | 15.82 (0.002) | 15.80 | 15.80 | |||||||
| RP magnitude | 16.01 (0.003) | 16.01 | 16.01 | |||||||
| Pan g magnitude | 15.75 (0.001) | |||||||||
| Pan r magnitude | 16.05 (0.003) | |||||||||
| Pan i magnitude | 16.34 (0.003) | |||||||||
| Pan z magnitude | 16.57 (0.002) | |||||||||
| Pan y magnitude | 16.73 (0.007) | |||||||||
| E(B-V) | 0.003 | |||||||||
* 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.