SDSS J073111.86+402224.8
All names: J0731+4022, SDSS J073111.87+402224.8, SDSS J073111.86+402224.8, Gaia DR3 900399039877540096, Gaia EDR3 900399039877540096, Gaia DR2 900399039877540096, WDJ073111.92+402225.05, WIRED J073111.85+402224.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 31 11.82 (0.1) | 07 31 11.87 | 07 31 11.82 (0.2) | 07 31 11.82 | 07 31 11.92 (0.1) | 07 31 11.82 | 07 31 11.86 | ||||||||
| Declination | 40 22 24.61 (0.1) | 40 22 24.85 | 40 22 24.62 (0.2) | 40 22 24.61 | 40 22 25.05 (0.1) | 40 22 24.62 | 40 22 24.84 | ||||||||
| Spectral type | DA | DA | DC: | DC: | DC | DC | DC: | DC | |||||||
| Effective temperature | [K] | 4774.0 (18) | 4806.0 (18) | 4780.0 | 4462.0 | 4915.0 (88) | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 7.95 (0.01) | 7.98 (0.02) | 7.95 | 7.72 | 8.02 (0.04) | 10.00 (0.003) | ||||||||
| Mass | [M☉] | 0.545 (0.01) | 0.566 (0.02) | 0.548 | 0.412 | 0.592 (0.04) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 6.5700 | 6.0810 | 4.4100 | |||||||||||
| 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] | 21.46 (0.2) | 21.47 (0.4) | 21.47 (0.4) | 21.46 | 21.46 (0.2) | 21.47 (0.4) | ||||||||
| Distance | [pc] | 46.60 (0.4) | 46.58 (0.9) | 46.58 (0.9) | 46.60 | 46.60 (0.4) | 46.58 (0.9) | ||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -72.2611053 (0.2) | -72.73313269 (0.4) | -72.261 (0.2) | -72.73313269 | ||||||||||
| Proper motion (declination) | [mas/yr] | -27.67437809 (0.1) | -27.72757087 (0.3) | -27.674 (0.1) | -27.72757087 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.01 (0.02) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 20.91 (0.08) | 20.95 (0.08) | 20.91 (0.08) | 20.91 (0.08) | 20.88 (0.08) | ||||||||||
| g magnitude | 19.10 (0.01) | 19.10 (0.01) | 19.10 (0.01) | 19.11 (0.02) | |||||||||||
| r magnitude | 18.31 (0.008) | 18.31 (0.008) | 18.31 (0.008) | 18.32 (0.01) | |||||||||||
| i magnitude | 17.99 (0.008) | 17.99 (0.008) | 17.99 (0.008) | 18.00 (0.02) | |||||||||||
| z magnitude | 17.88 (0.02) | 17.88 (0.02) | 17.88 (0.02) | 17.91 (0.03) | |||||||||||
| G magnitude | 18.36 (0.05) | 18.38 | 18.36 | 18.36 (0.003) | 18.38 | ||||||||||
| BP magnitude | 18.87 (0.05) | 18.87 | 18.87 | ||||||||||||
| RP magnitude | 17.67 (0.02) | 17.67 | 17.67 | ||||||||||||
| Pan g magnitude | 19.02 (0.008) | 19.02 (0.006) | |||||||||||||
| Pan r magnitude | 18.31 (0.006) | 18.31 (0.006) | |||||||||||||
| Pan i magnitude | 18.03 (0.004) | 18.03 (0.004) | |||||||||||||
| Pan z magnitude | 17.93 (0.006) | 17.93 (0.007) | |||||||||||||
| Pan y magnitude | 17.88 (0.01) | 17.88 (0.01) | |||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* Constant surface field
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