SDSS J154238.26+101156.5
All names: SDSS J154238.25+101156.9, SDSS J154238.26+101156.5, GALEX J154238.2+101156, Gaia EDR3 1189043519596127232, Gaia DR2 1189043519596127232, Gaia DR3 1189043519596127232, SDSS J154238.26+101156.58, SDSS J154238.25+101156.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 42 38.28 (0.3) | 15 42 38.26 | 15 42 38.28 (0.4) | 15 42 38.25 (0.3) | |||||||
| Declination | 10 11 56.39 (0.2) | 10 11 56.87 | 10 11 56.41 (0.3) | 10 11 56.99 (0.2) | |||||||
| Spectral type | DA | DAH | DAH | DAH | DA | ||||||
| Effective temperature | [K] | 16666.6 (219) | 12646.0 | 17709.0 (255) | |||||||
| log(g) | [cgs] | 7.75 (0.2) | 7.44 | 7.98 (0.05) | |||||||
| Mass | [M☉] | 0.486305236312082 (0.2) | 0.347 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1716 | |||||||||
| 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] | 2.03 (0.3) | 1.90 (0.5) | 2.03 (0.3) | |||||||
| Distance | [pc] | 493.14 (82) | 527.30 (137) | 493.15 (82) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 20.94018542 (0.3) | 21.71377135 (0.7) | 20.94 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | -37.58819696 (0.3) | -38.38182796 (0.7) | -37.588 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.62 (0.03) | 19.63 (0.03) | 19.62 (0.03) | ||||||||
| g magnitude | 19.36 (0.01) | 19.35 (0.02) | 19.36 (0.01) | ||||||||
| r magnitude | 19.65 (0.02) | 19.65 (0.02) | 19.66 (0.02) | ||||||||
| i magnitude | 19.90 (0.02) | 19.89 (0.03) | 19.90 (0.02) | ||||||||
| z magnitude | 20.20 (0.1) | 20.16 (0.1) | 20.20 (0.1) | ||||||||
| G magnitude | 19.49 (0.05) | 19.53 | 19.49 (0.004) | ||||||||
| BP magnitude | 19.55 (0.05) | 19.48 | |||||||||
| RP magnitude | 19.63 (0.09) | 19.59 | |||||||||
| Pan g magnitude | 19.35 (0.006) | ||||||||||
| Pan r magnitude | 19.60 (0.01) | ||||||||||
| Pan i magnitude | 19.86 (0.02) | ||||||||||
| Pan z magnitude | 20.09 (0.02) | ||||||||||
| Pan y magnitude | 20.10 (0.03) | ||||||||||
| E(B-V) | 0.033 | ||||||||||
* Constant surface field
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