SDSS J155425.78+190738.2
All names: SDSS J155425.78+190738.2, Gaia DR2 1203739110977120384, Gaia EDR3 1203739110977120384, Gaia DR3 1203739110977120384, SDSS J155425.78+190738.21
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 54 25.77 (1) | 15 54 25.78 | 15 54 25.77 (1) | 15 54 25.78 (1) | ||||
| Declination | 19 07 38.12 (1) | 19 07 38.20 | 19 07 38.12 (1) | 19 07 38.07 (1) | ||||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 14425.0 | 9089.0 (144) | |||||
| log(g) | [cgs] | 6.47 | 8.07 (0.2) | |||||
| Mass | [M☉] | 0.172 | 0.637 (0.1) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| 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] | 0.39 (2) | 0.39 (2) | |||||
| Distance | [pc] | 2549.29 (9767) | 2549.07 (9765) | |||||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -6.973581618 (2) | -6.974 (2) | |||||
| Proper motion (declination) | [mas/yr] | 2.84562709 (2) | 2.846 (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 | 21.51 (0.2) | 21.65 (0.2) | 21.65 (0.2) | |||||
| g magnitude | 20.88 (0.03) | 20.94 (0.03) | 20.94 (0.03) | |||||
| r magnitude | 20.90 (0.05) | 20.98 (0.05) | 20.98 (0.05) | |||||
| i magnitude | 20.87 (0.07) | 20.93 (0.07) | 20.93 (0.07) | |||||
| z magnitude | 22.15 (0.8) | 21.87 (1) | 21.87 (1) | |||||
| G magnitude | 20.83 (0.1) | 20.90 | 20.83 (0.01) | |||||
| BP magnitude | 20.85 (0.1) | 20.86 | ||||||
| RP magnitude | 20.38 (0.2) | 20.64 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.049 | |||||||
* Constant surface field
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