SDSS J081830.36-003216.0
All names: SDSS J081830.37-003216.0, SDSS J081830.36-003215.9, Gaia DR3 3077179518797025408, Gaia EDR3 3077179518797025408, SDSS J081830.36-003216.0, Gaia DR2 3077179518797025408, GALEX J081830.4-003216
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 18 30.35 (0.1) | 08 18 30.37 | 08 18 30.35 (0.2) | 08 18 30.35 | 08 18 30.37 (0.1) | 08 18 30.37 | |||||
| Declination | -00 32 16.21 (0.1) | -00 32 16.00 | -00 32 16.20 (0.1) | -00 32 16.21 | -00 32 16.03 (0.1) | -00 32 16.01 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 11339.0 | 12733.0 (600) | 12686.0 (291) | |||||||
| log(g) | [cgs] | 7.83 | 8.02 (0.05) | 8.09 (0.07) | |||||||
| Mass | [M☉] | 0.51 | 0.621 (0.04) | 0.656 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.3519 | |||||||||
| 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] | 4.51 (0.2) | 4.39 (0.3) | 4.51 | 4.51 (0.2) | ||||||
| Distance | [pc] | 221.67 (9) | 227.91 (13) | 221.67 | 221.67 (9) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.26360622 (0.2) | -12.56902033 (0.4) | -12.264 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -11.15264261 (0.1) | -10.90467846 (0.3) | -11.153 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.62 (0.02) | 18.62 (0.02) | 18.64 (0.02) | ||||||||
| g magnitude | 18.26 (0.007) | 18.26 (0.007) | 18.29 (0.01) | ||||||||
| r magnitude | 18.46 (0.008) | 18.46 (0.008) | 18.48 (0.01) | ||||||||
| i magnitude | 18.68 (0.01) | 18.68 (0.01) | 18.70 (0.02) | ||||||||
| z magnitude | 18.84 (0.04) | 18.84 (0.04) | 18.85 (0.04) | ||||||||
| G magnitude | 18.36 (0.02) | 18.40 | 18.36 | 18.36 (0.003) | |||||||
| BP magnitude | 18.38 (0.02) | 18.36 | |||||||||
| RP magnitude | 18.39 (0.04) | 18.37 | |||||||||
| Pan g magnitude | 18.28 (0.01) | ||||||||||
| Pan r magnitude | 18.48 (0.004) | ||||||||||
| Pan i magnitude | 18.69 (0.008) | ||||||||||
| Pan z magnitude | 18.88 (0.01) | ||||||||||
| Pan y magnitude | 18.98 (0.02) | ||||||||||
| E(B-V) | 0.018 | ||||||||||
* Constant surface field
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