SDSS J151855.25+194400.8
All names: SDSS J151855.26+194400.8, Gaia EDR3 1212296850494011008, SDSS J151855.25+194400.8, Gaia DR2 1212296850494011008, SDSS J151855.26+194400.7, Gaia DR3 1212296850494011008, GALEX J151855.2+194401
| 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 | 15 18 55.32 (0.08) | 15 18 55.26 | 15 18 55.31 (0.1) | 15 18 55.32 | 15 18 55.24 (0.08) | 15 18 55.26 | |||||
| Declination | 19 44 00.72 (0.08) | 19 44 00.79 | 19 44 00.72 (0.1) | 19 44 00.72 | 19 44 00.77 (0.08) | 19 44 00.81 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 9346.0 | 9344.0 (177) | 9836.0 (38) | |||||||
| log(g) | [cgs] | 7.88 | 7.88 (0.04) | 8.06 (0.05) | |||||||
| Mass | [M☉] | 0.531 | 0.529 (0.03) | 0.633 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6180 | |||||||||
| 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] | 7.40 (0.1) | 7.38 (0.2) | 7.40 | 7.40 (0.1) | ||||||
| Distance | [pc] | 135.21 (2) | 135.57 (3) | 135.21 | 135.21 (2) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 67.16990617 (0.1) | 67.04793612 (0.3) | 67.17 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | -2.905754032 (0.1) | -2.653994258 (0.3) | -2.906 (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 | 18.33 (0.01) | 18.33 (0.01) | 18.38 (0.02) | ||||||||
| g magnitude | 17.90 (0.006) | 17.91 (0.006) | 17.90 (0.01) | ||||||||
| r magnitude | 17.95 (0.007) | 17.95 (0.007) | 17.95 (0.01) | ||||||||
| i magnitude | 18.07 (0.008) | 18.07 (0.008) | 18.07 (0.01) | ||||||||
| z magnitude | 18.18 (0.02) | 18.18 (0.02) | 18.18 (0.03) | ||||||||
| G magnitude | 17.89 (0.01) | 17.92 | 17.89 | 17.89 (0.003) | |||||||
| BP magnitude | 17.99 (0.01) | 17.98 | |||||||||
| RP magnitude | 17.77 (0.01) | 17.76 | |||||||||
| Pan g magnitude | 17.92 (0.004) | ||||||||||
| Pan r magnitude | 17.96 (0.006) | ||||||||||
| Pan i magnitude | 18.07 (0.004) | ||||||||||
| Pan z magnitude | 18.21 (0.008) | ||||||||||
| Pan y magnitude | 18.33 (0.01) | ||||||||||
| E(B-V) | 0.032 | ||||||||||
* Constant surface field
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