SDSS J155545.80+084213.4
All names: SDSS J155545.80+084213.4, SDSS J155545.79+084213.3, Gaia DR3 4454503581332474368, SDSS J155545.79+084213.4, Gaia EDR3 4454503581332474368, Gaia DR2 4454503581332474368, GALEX J155545.8+084213
| 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 55 45.80 (0.3) | 15 55 45.80 | 15 55 45.80 (0.4) | 15 55 45.80 (0.3) | 15 55 45.80 | |||||
| Declination | 08 42 13.46 (0.3) | 08 42 13.40 | 08 42 13.46 (0.4) | 08 42 13.41 (0.3) | 08 42 13.39 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 14702.0 | 16274.0 (410) | |||||||
| log(g) | [cgs] | 7.98 | 7.74 (0.09) | |||||||
| Mass | [M☉] | 0.599 | 0.494 (0.04) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.2028 | ||||||||
| 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] | 2.54 (0.4) | 2.30 (0.6) | 2.54 (0.4) | ||||||
| Distance | [pc] | 393.52 (60) | 433.90 (105) | 393.53 (60) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.961096008 (0.3) | -0.707742676 (0.8) | -0.961 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 2.846301363 (0.3) | 1.028113994 (0.7) | 2.846 (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 | 19.59 (0.03) | 19.59 (0.03) | 19.64 (0.04) | |||||||
| g magnitude | 19.40 (0.01) | 19.40 (0.01) | 19.41 (0.02) | |||||||
| r magnitude | 19.65 (0.02) | 19.65 (0.02) | 19.71 (0.02) | |||||||
| i magnitude | 19.95 (0.03) | 19.95 (0.03) | 19.98 (0.04) | |||||||
| z magnitude | 20.19 (0.1) | 20.19 (0.1) | 20.05 (0.1) | |||||||
| G magnitude | 19.52 (0.04) | 19.56 | 19.52 (0.004) | |||||||
| BP magnitude | 19.56 (0.04) | 19.54 | ||||||||
| RP magnitude | 19.53 (0.06) | 19.58 | ||||||||
| Pan g magnitude | 19.37 (0.006) | |||||||||
| Pan r magnitude | 19.66 (0.01) | |||||||||
| Pan i magnitude | 19.92 (0.01) | |||||||||
| Pan z magnitude | 20.13 (0.04) | |||||||||
| Pan y magnitude | 20.31 (0.2) | |||||||||
| E(B-V) | 0.036 | |||||||||
* Constant surface field
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