SDSS J155657.69+231358.5
All names: SDSS J155657.69+231358.4, GALEX J155657.7+231359, Gaia EDR3 1218452913019149824, SDSS J155657.69+231358.5, Gaia DR3 1218452913019149824, Gaia DR2 1218452913019149824
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 56 57.68 (0.1) | 15 56 57.69 | 15 56 57.68 (0.2) | 15 56 57.69 (0.1) | 15 56 57.69 | |||||
| Declination | 23 13 58.51 (0.2) | 23 13 58.52 | 23 13 58.51 (0.2) | 23 13 58.49 (0.2) | 23 13 58.47 | |||||
| Spectral type | DA | DA | DAH | DA | ||||||
| Effective temperature | [K] | 14680.0 | 18883.0 (538) | |||||||
| log(g) | [cgs] | 7.37 | 7.36 (0.1) | |||||||
| Mass | [M☉] | 0.331 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1016 | ||||||||
| 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] | 2.06 (0.2) | 1.88 (0.3) | 2.06 (0.2) | ||||||
| Distance | [pc] | 485.30 (54) | 532.72 (91) | 485.30 (54) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -12.42640237 (0.2) | -12.56164151 (0.4) | -12.426 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | 1.039022795 (0.2) | 0.286656739 (0.4) | 1.039 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.11 (0.02) | 19.11 (0.02) | 19.12 (0.03) | |||||||
| g magnitude | 18.90 (0.009) | 18.90 (0.009) | 18.92 (0.02) | |||||||
| r magnitude | 19.23 (0.01) | 19.23 (0.01) | 19.24 (0.02) | |||||||
| i magnitude | 19.49 (0.02) | 19.49 (0.02) | 19.51 (0.02) | |||||||
| z magnitude | 19.71 (0.06) | 19.71 (0.06) | 19.73 (0.06) | |||||||
| G magnitude | 19.08 (0.02) | 19.11 | 19.08 (0.003) | |||||||
| BP magnitude | 19.06 (0.02) | 18.99 | ||||||||
| RP magnitude | 19.25 (0.03) | 19.19 | ||||||||
| Pan g magnitude | 18.95 (0.005) | |||||||||
| Pan r magnitude | 19.24 (0.01) | |||||||||
| Pan i magnitude | 19.52 (0.01) | |||||||||
| Pan z magnitude | 19.76 (0.02) | |||||||||
| Pan y magnitude | 19.87 (0.07) | |||||||||
| E(B-V) | 0.056 | |||||||||
* Constant surface field
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