Gaia DR2 2227233773282607488
All names: Gaia DR2 2227233773282607488, SDSS J232845.55+705932.6, Gaia EDR3 2227233773282607488, WDJ232845.57+705932.69, SDSS J232845.56+705932.6, Gaia DR3 2227233773282607488, J2328+7059
| 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 | 23 28 45.88 (0.06) | 23 28 45.87 | 23 28 45.88 | 23 28 45.57 (0.06) | 23 28 45.87 | ||||||||
| Declination | 70 59 32.84 (0.05) | 70 59 32.83 | 70 59 32.84 | 70 59 32.69 (0.05) | 70 59 32.83 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 8365.0 (72) | 8364.0 (72) | 8364.0 (72) | 8364.0 | 8147.0 | 8749.0 (102) | ||||||
| log(g) | [cgs] | 7.79 (0.02) | 7.79 (0.02) | 7.79 (0.02) | 7.79 | 7.70 | 7.89 (0.02) | ||||||
| Mass | [M☉] | 0.479 (0.01) | 0.478 (0.01) | 0.478 (0.01) | 0.478 | 0.413 | 0.535 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.7700 | 0.7301 | 0.7286 | |||||||||
| 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] | 11.28 (0.07) | 11.27 (0.09) | 11.27 (0.09) | 11.28 | 11.28 (0.07) | 11.27 (0.09) | ||||||
| Distance | [pc] | 88.65 (0.5) | 88.73 (0.7) | 88.73 (0.7) | 88.65 | 88.65 (0.5) | 88.73 (0.7) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 93.91816896 (0.07) | 93.80971676 (0.2) | 93.918 (0.07) | 93.80971676 | ||||||||
| Proper motion (declination) | [mas/yr] | 9.042528154 (0.07) | 9.003089817 (0.1) | 9.043 (0.07) | 9.003089817 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.85 (0.03) | 18.85 (0.03) | 18.85 (0.03) | ||||||||||
| g magnitude | 17.64 (0.006) | 17.64 (0.006) | |||||||||||
| r magnitude | 17.43 (0.006) | 17.43 (0.006) | |||||||||||
| i magnitude | 20.42 (0.1) | 20.42 (0.1) | |||||||||||
| z magnitude | 19.14 (0.2) | 19.14 (0.2) | |||||||||||
| G magnitude | 17.24 (0.008) | 17.26 | 17.24 | 17.24 (0.003) | 17.26 | ||||||||
| BP magnitude | 17.33 (0.008) | 17.34 | 17.34 | ||||||||||
| RP magnitude | 17.02 (0.008) | 17.02 | 17.02 | ||||||||||
| Pan g magnitude | 17.32 (0.006) | 17.32 (0.006) | |||||||||||
| Pan r magnitude | 17.28 (0.003) | 17.28 (0.003) | |||||||||||
| Pan i magnitude | 17.36 (0.006) | 17.36 (0.007) | |||||||||||
| Pan z magnitude | 17.46 (0.01) | 17.46 (0.01) | |||||||||||
| Pan y magnitude | 17.52 (0.01) | 17.52 (0.01) | |||||||||||
| E(B-V) | 0.006 | ||||||||||||
* Constant surface field
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