Gaia DR2 4517521407404432512
All names: J1852+1833, Gaia DR3 4517521407404432512, SDSS J185218.62+183355.3, SDSS J185218.63+183355.4, WDJ185218.63+183355.13, Gaia EDR3 4517521407404432512, Gaia DR2 4517521407404432512
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 52 18.61 (0.04) | 18 52 18.61 | 18 52 18.61 | 18 52 18.63 (0.04) | 18 52 18.61 | ||||||||
| Declination | 18 33 55.93 (0.05) | 18 33 55.91 | 18 33 55.93 | 18 33 55.14 (0.05) | 18 33 55.91 | ||||||||
| Spectral type | DAH | DAH | DAH | DA | DAH | ||||||||
| Effective temperature | [K] | 8759.0 (63) | 8664.0 (54) | 8760.0 (63) | 8624.0 | 8328.0 | 8693.0 (86) | ||||||
| log(g) | [cgs] | 8.51 (0.01) | 8.48 (0.01) | 8.51 (0.01) | 8.48 | 8.40 | 8.50 (0.01) | ||||||
| Mass | [M☉] | 0.926 (0.009) | 0.907 (0.009) | 0.921 (0.01) | 0.905 | 0.833 | 0.917 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.2900 | 2.2000 | 2.0660 | |||||||||
| 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] | 20.66 (0.06) | 20.52 (0.1) | 20.52 (0.1) | 20.66 | 20.66 (0.06) | 20.52 (0.1) | ||||||
| Distance | [pc] | 48.41 (0.1) | 48.73 (0.2) | 48.74 (0.2) | 48.41 | 48.41 (0.1) | 48.74 (0.2) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -24.13304753 (0.05) | -24.11541644 (0.1) | -24.133 (0.05) | -24.11541644 | ||||||||
| Proper motion (declination) | [mas/yr] | 49.72888904 (0.06) | 49.90661249 (0.1) | 49.729 (0.06) | 49.90661249 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.52 (0.02) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.28 (0.009) | 17.28 (0.009) | 17.28 (0.009) | ||||||||||
| g magnitude | 16.94 (0.004) | 16.94 (0.004) | |||||||||||
| r magnitude | 16.94 (0.005) | 16.94 (0.005) | |||||||||||
| i magnitude | 16.96 (0.005) | 16.96 (0.005) | |||||||||||
| z magnitude | 17.07 (0.01) | 17.07 (0.01) | |||||||||||
| G magnitude | 16.85 (0.004) | 16.87 | 16.85 | 16.85 (0.003) | 16.87 | ||||||||
| BP magnitude | 16.96 (0.004) | 16.94 | 16.94 | ||||||||||
| RP magnitude | 16.68 (0.004) | 16.68 | 16.68 | ||||||||||
| Pan g magnitude | 16.95 (0.004) | 16.95 (0.004) | |||||||||||
| Pan r magnitude | 16.92 (0.009) | 16.92 (0.01) | |||||||||||
| Pan i magnitude | 17.02 (0.007) | 17.02 (0.005) | |||||||||||
| Pan z magnitude | 17.11 (0.007) | 17.11 (0.007) | |||||||||||
| Pan y magnitude | 17.19 (0.009) | 17.19 (0.008) | |||||||||||
| E(B-V) | 0.003 | ||||||||||||
* Constant surface field
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