2SLAQ J210818.27-003310.3
All names: SDSS J210818.28-003310.3, Gaia DR2 2689915958535673472, SDSS J210818.28-003310.2, WDJ210818.27-003310.50, SDSS J210818.27-003310.3, SDSS J210818.28-003310.1, SDSS J210818.27-003310.1, J2108-0033, Gaia EDR3 2689915958535673472, 2SLAQ J210818.27-003310.3, Gaia DR3 2689915958535673472, WD 2105-007
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 08 18.32 (0.2) | 21 08 18.28 | 21 08 18.32 (0.2) | 21 08 18.32 | 21 08 18.27 (0.2) | 21 08 18.32 | 21 08 18.28 | 21 08 18.31 | 21 08 18.28 | ||||||||
| Declination | -00 33 09.46 (0.2) | -00 33 10.19 | -00 33 09.49 (0.3) | -00 33 09.46 | -00 33 10.49 (0.2) | -00 33 09.49 | -00 33 10.35 | -00 33 07.92 | -00 33 10.34 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 6270.0 (40) | 6271.0 (39) | 6270.0 (40) | 6131.0 | 6320.0 (160) | 7025.0 (80) | 6327.0 (28) | |||||||||
| log(g) | [cgs] | 8.13 (0.02) | 8.14 (0.03) | 8.13 (0.03) | 8.08 | 8.17 (0.05) | 8.92 (0.1) | 7.78 (0.3) | |||||||||
| Mass | [M☉] | 0.668 (0.02) | 0.677 (0.02) | 0.672 (0.03) | 0.639 | 0.694 (0.05) | 0.483 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 2.7800 | 2.5660 | ||||||||||||||
| 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] | 11.57 (0.2) | 11.62 (0.3) | 11.62 (0.3) | 11.57 | 11.57 (0.2) | 11.62 (0.3) | ||||||||||
| Distance | [pc] | 86.41 (2) | 86.06 (2) | 86.05 (2) | 86.41 | 86.41 (2) | 86.05 (2) | ||||||||||
| Composition | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 46.54537288 (0.2) | 46.90308072 (0.5) | 46.545 (0.2) | 46.903 | 46.5 | |||||||||||
| Proper motion (declination) | [mas/yr] | 64.24637461 (0.2) | 64.9010484 (0.5) | 64.246 (0.2) | 64.901 | 54.1 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | |||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | |||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 17.87 (0.03) | ||||||||||||||||
| H magnitude | 17.64 (0.05) | ||||||||||||||||
| K magnitude | 17.52 (0.08) | ||||||||||||||||
| u magnitude | 19.80 (0.03) | 19.78 (0.04) | 19.80 (0.03) | 19.83 (0.04) | 19.75 (0.04) | 19.75 | 19.73 (0.04) | ||||||||||
| g magnitude | 19.06 (0.01) | 19.06 (0.01) | 19.05 (0.01) | 19.07 (0.02) | 19.07 | 19.07 (0.02) | |||||||||||
| r magnitude | 18.69 (0.01) | 18.69 (0.01) | 18.74 (0.01) | 18.71 (0.01) | 18.69 (0.01) | ||||||||||||
| i magnitude | 18.64 (0.01) | 18.64 (0.01) | 18.61 (0.01) | 18.65 (0.02) | 18.64 (0.02) | ||||||||||||
| z magnitude | 18.67 (0.03) | 18.67 (0.03) | 18.55 (0.03) | 18.69 (0.04) | 18.65 (0.04) | ||||||||||||
| G magnitude | 18.73 (0.03) | 18.75 | 18.73 | 18.73 (0.004) | 18.75 | ||||||||||||
| BP magnitude | 19.03 (0.03) | 19.01 | 19.01 | ||||||||||||||
| RP magnitude | 18.29 (0.03) | 18.27 | 18.27 | ||||||||||||||
| Pan g magnitude | 19.02 (0.01) | 19.02 (0.008) | |||||||||||||||
| Pan r magnitude | 18.73 (0.007) | 18.73 (0.007) | |||||||||||||||
| Pan i magnitude | 18.63 (0.005) | 18.63 (0.004) | |||||||||||||||
| Pan z magnitude | 18.64 (0.01) | 18.64 (0.008) | |||||||||||||||
| Pan y magnitude | 18.57 (0.02) | 18.57 (0.02) | |||||||||||||||
| E(B-V) | 0.005 | ||||||||||||||||
* Constant surface field
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