WD 1722+579
All names: NLTT 44731, SDSS J172257.77+575250.6, Gaia EDR3 1433166540130924544, LP 102-373, LSPM J1722+5752, WD 1722+579, Gaia DR2 1433166540130924544, WDJ172257.78+575250.53, SDSS J172257.78+575250.6, Gaia DR3 1433166540130924544, SDSS J172257.78+575250.7, J1722+5752
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Bergeron et al. 2022 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 22 57.70 (0.2) | 17 22 57.70 (0.2) | 17 22 57.70 | 17 22 57.78 (0.2) | 17 22 57.70 | 17 22 57.70 | |||||||
| Declination | 57 52 56.84 (0.2) | 57 52 56.64 (0.2) | 57 52 56.84 | 57 52 50.53 (0.2) | 57 52 56.64 | 57 52 46.92 | |||||||
| Spectral type | DC | DC | DC | DC | DA | DC | DC9.3 | ||||||
| Effective temperature | [K] | 5249.0 (49) | 5223.0 (50) | 5448.0 | 5160.0 | 5687.0 (129) | |||||||
| log(g) | [cgs] | 8.20 (0.02) | 8.26 | 8.09 | 8.38 (0.05) | ||||||||
| Mass | [M☉] | 0.698 (0.01) | 0.688 (0.01) | 0.75 | 0.623 | 0.829 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 6.4400 | 6.1560 | 5.9700 | 5.7640 | ||||||||
| log(H/He) | -1.5 | -1.46 | |||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 16.21 (0.2) | 16.24 (0.2) | 16.24 (0.2) | 16.21 | 16.21 (0.2) | 16.24 (0.2) | ||||||
| Distance | [pc] | 61.68 (0.6) | 61.58 (0.8) | 61.57 (0.8) | 61.68 | 61.68 (0.6) | 61.57 (0.8) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -37.61367208 (0.2) | -37.10217167 (0.4) | -37.614 (0.2) | -37.10217167 | ||||||||
| Proper motion (declination) | [mas/yr] | 394.5573454 (0.2) | 394.3168542 (0.5) | 394.557 (0.2) | 394.3168542 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.40 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.80 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.74 (0.04) | 17.74 (0.04) | |||||||||||
| H magnitude | 17.84 (0.05) | 17.84 (0.05) | |||||||||||
| K magnitude | 18.75 (0.1) | 18.75 (0.1) | |||||||||||
| u magnitude | 20.36 (0.05) | 20.43 (0.05) | 20.43 (0.05) | 20.31 | |||||||||
| g magnitude | 19.26 (0.01) | 19.26 (0.01) | 19.17 | ||||||||||
| r magnitude | 18.79 (0.01) | 18.79 (0.01) | 18.71 | ||||||||||
| i magnitude | 18.54 (0.01) | 18.54 (0.01) | 18.48 | ||||||||||
| z magnitude | 18.46 (0.03) | 18.46 (0.03) | 18.42 | ||||||||||
| G magnitude | 18.76 (0.04) | 18.79 | 18.76 | 18.76 (0.003) | 18.79 | ||||||||
| BP magnitude | 19.13 (0.04) | 19.15 | 19.15 | ||||||||||
| RP magnitude | 18.26 (0.02) | 18.26 | 18.26 | ||||||||||
| Pan g magnitude | 19.21 (0.008) | 19.21 (0.008) | |||||||||||
| Pan r magnitude | 18.75 (0.006) | 18.75 (0.005) | |||||||||||
| Pan i magnitude | 18.56 (0.009) | 18.56 (0.008) | |||||||||||
| Pan z magnitude | 18.50 (0.02) | 18.50 (0.02) | |||||||||||
| Pan y magnitude | 18.49 (0.03) | 18.49 (0.04) | |||||||||||
| E(B-V) | 0.010 | ||||||||||||
* Constant surface field
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