Gaia DR2 248937133409693440
All names: SDSS J033132.20+473639.2, WDJ033132.26+473639.24, Gaia DR2 248937133409693440, J0331+4736, Gaia DR3 248937133409693440, Gaia EDR3 248937133409693440, LAMOST J033132.11+473639.0, WDJ033132.26+473639.25
| 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 | 03 31 32.11 (0.07) | 03 31 32.12 | 03 31 32.11 | 03 31 32.25 (0.07) | 03 31 32.12 | ||||||||
| Declination | 47 36 39.17 (0.07) | 47 36 39.17 | 47 36 39.17 | 47 36 39.25 (0.07) | 47 36 39.17 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 8370.0 (40) | 9015.0 (42) | 8370.0 (40) | 8452.0 | 8210.0 | 8699.0 (131) | ||||||
| log(g) | [cgs] | 7.98 (0.01) | 8.15 (0.01) | 7.98 (0.01) | 8.00 | 7.91 | 8.06 (0.03) | ||||||
| Mass | [M☉] | 0.585 (0.01) | 0.687 (0.01) | 0.585 (0.01) | 0.596 | 0.524 | 0.632 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.0100 | 0.9310 | 0.9254 | |||||||||
| 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] | 11.60 (0.1) | 11.60 (0.1) | 11.60 (0.1) | 11.60 | 11.60 (0.1) | 11.60 (0.1) | ||||||
| Distance | [pc] | 86.18 (0.8) | 86.21 (0.9) | 86.19 (0.9) | 86.18 | 86.18 (0.8) | 86.19 (0.9) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -90.16235318 (0.1) | -90.67854002 (0.2) | -90.162 (0.1) | -90.67854002 | ||||||||
| Proper motion (declination) | [mas/yr] | -4.850103092 (0.1) | -4.848590765 (0.2) | -4.85 (0.1) | -4.848590765 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.15 (0.03) | ||||||||||||
| H magnitude | 17.08 (0.04) | ||||||||||||
| K magnitude | 17.26 (0.05) | ||||||||||||
| u magnitude | 17.89 (0.01) | 18.00 (0.01) | 18.00 (0.01) | ||||||||||
| g magnitude | 17.54 (0.005) | 17.54 (0.005) | |||||||||||
| r magnitude | 17.50 (0.006) | 17.50 (0.006) | |||||||||||
| i magnitude | 17.57 (0.007) | 17.57 (0.007) | |||||||||||
| z magnitude | 17.75 (0.02) | 17.75 (0.02) | |||||||||||
| G magnitude | 17.42 (0.007) | 17.44 | 17.42 | 17.42 (0.003) | 17.44 | ||||||||
| BP magnitude | 17.52 (0.007) | 17.52 | 17.52 | ||||||||||
| RP magnitude | 17.22 (0.009) | 17.22 | 17.22 | ||||||||||
| Pan g magnitude | 17.51 (0.004) | 17.51 (0.004) | |||||||||||
| Pan r magnitude | 17.48 (0.004) | 17.48 (0.004) | |||||||||||
| Pan i magnitude | 17.55 (0.01) | 17.55 (0.01) | |||||||||||
| Pan z magnitude | 17.66 (0.002) | 17.66 (0.002) | |||||||||||
| Pan y magnitude | 17.73 (0.008) | 17.73 (0.01) | |||||||||||
| E(B-V) | 0.004 | ||||||||||||
* Constant surface field
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