SDSS J121508.24+004517.5
All names: SDSS J121508.25+004517.4, SDSS J121508.24+004517.50, LAMOST J121508.24+004517.5, SDSS J121508.24+004517.5, Gaia EDR3 3698543260827393536, Gaia DR3 3698543260827393536, 2QZ J121508.2+004516, Gaia DR2 3698543260827393536
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 15 08.25 (0.3) | 12 15 08.25 | 12 15 08.25 (0.4) | 12 15 08.25 | 12 15 08.25 (0.3) | |||||||
| Declination | 00 45 17.66 (0.2) | 00 45 17.48 | 00 45 17.65 (0.3) | 00 45 17.66 | 00 45 17.46 (0.2) | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA+MS | ||||||
| Effective temperature | [K] | 7362.0 | 9689.0 (42) | 8061.0 (417) | ||||||||
| log(g) | [cgs] | 7.04 | 7.86 (0.06) | 7.54 (0.2) | ||||||||
| Mass | [M☉] | 0.21 | 0.527 (0.02) | 0.363 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5559 | ||||||||||
| 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] | 4.23 (0.4) | 3.65 (0.5) | 4.23 | 4.23 (0.4) | |||||||
| Distance | [pc] | 236.56 (21) | 273.70 (40) | 236.56 | 236.56 (21) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.852378963 (0.5) | -2.43588463 (1) | -0.852 (0.5) | ||||||||
| Proper motion (declination) | [mas/yr] | 12.4885323 (0.3) | 13.79928883 (0.6) | 12.489 (0.3) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.65 (0.03) | 19.64 (0.03) | 19.65 (0.03) | |||||||||
| g magnitude | 19.23 (0.01) | 19.25 (0.02) | 19.23 (0.01) | |||||||||
| r magnitude | 19.27 (0.01) | 19.28 (0.02) | 19.27 (0.01) | |||||||||
| i magnitude | 19.28 (0.02) | 19.31 (0.02) | 19.28 (0.02) | |||||||||
| z magnitude | 19.14 (0.04) | 19.17 (0.04) | 19.14 (0.04) | |||||||||
| G magnitude | 19.24 (0.04) | 19.27 | 19.24 | 19.24 (0.005) | ||||||||
| BP magnitude | 19.34 (0.04) | 19.29 | ||||||||||
| RP magnitude | 18.92 (0.05) | 18.86 | ||||||||||
| Pan g magnitude | 19.22 (0.01) | |||||||||||
| Pan r magnitude | 19.30 (0.009) | |||||||||||
| Pan i magnitude | 19.33 (0.02) | |||||||||||
| Pan z magnitude | 19.26 (0.03) | |||||||||||
| Pan y magnitude | 18.92 (0.03) | |||||||||||
| E(B-V) | 0.022 | |||||||||||
* Constant surface field
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