SDSS J204446.30+153311.7
All names: J2044+1533, GALEX J204446.3+153312, Gaia EDR3 1762951588154154240, Gaia DR2 1762951588154154240, WDJ204446.29+153311.97, SDSS J204446.30+153311.8, SDSS J204446.30+153311.7, SDSS J204446.30+153311.9, Gaia DR3 1762951588154154240
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 44 46.32 (0.03) | 20 44 46.30 | 20 44 46.31 (0.05) | 20 44 46.32 | 20 44 46.30 (0.03) | 20 44 46.31 | 20 44 46.30 | |||||||
| Declination | 15 33 11.45 (0.02) | 15 33 11.84 | 15 33 11.47 (0.05) | 15 33 11.45 | 15 33 11.97 (0.02) | 15 33 11.47 | 15 33 11.90 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 16802.0 (205) | 16805.0 (206) | 15363.0 | 15988.0 (133) | 17062.0 (69) | ||||||||
| log(g) | [cgs] | 8.31 (0.009) | 8.30 (0.01) | 8.21 | 8.25 (0.007) | 8.26 (0.01) | ||||||||
| Mass | [M☉] | 0.805 (0.007) | 0.801 (0.008) | 0.744 | 0.769 (0.007) | 0.764 (0.006) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.2586 | ||||||||||||
| 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] | 13.90 (0.04) | 13.84 (0.06) | 13.90 | 13.90 (0.04) | 13.84 (0.06) | ||||||||
| Distance | [pc] | 71.92 (0.2) | 72.26 (0.3) | 71.92 | 71.92 (0.2) | 72.26 (0.3) | ||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 18.41316898 (0.04) | 18.41045035 (0.09) | 18.413 (0.04) | 18.41045035 | |||||||||
| Proper motion (declination) | [mas/yr] | -32.22631065 (0.04) | -32.08247954 (0.08) | -32.226 (0.04) | -32.08247954 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 15.87 (0.005) | 15.87 (0.005) | 15.87 (0.005) | 15.89 (0.02) | ||||||||||
| g magnitude | 15.68 (0.003) | 15.68 (0.003) | 15.68 (0.003) | 15.72 (0.01) | ||||||||||
| r magnitude | 16.00 (0.004) | 16.00 (0.004) | 16.00 (0.004) | 16.06 (0.01) | ||||||||||
| i magnitude | 16.24 (0.005) | 16.24 (0.005) | 16.24 (0.005) | 16.22 (0.03) | ||||||||||
| z magnitude | 16.52 (0.009) | 16.52 (0.009) | 16.52 (0.009) | 16.57 (0.02) | ||||||||||
| G magnitude | 15.87 (0.002) | 15.89 | 15.87 | 15.87 (0.003) | 15.89 | |||||||||
| BP magnitude | 15.82 (0.002) | 15.80 | 15.80 | |||||||||||
| RP magnitude | 15.99 (0.002) | 15.99 | 15.99 | |||||||||||
| Pan g magnitude | 15.76 (0.004) | |||||||||||||
| Pan r magnitude | 16.03 (0.003) | |||||||||||||
| Pan i magnitude | 16.30 (0.002) | |||||||||||||
| Pan z magnitude | 16.55 (0.004) | |||||||||||||
| Pan y magnitude | 16.73 (0.008) | |||||||||||||
| E(B-V) | 0.004 | |||||||||||||
* Constant surface field
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