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Analyze real-time astronomical and meteorological data for HD 189831.
HD 189831
K4IIISagittarius
HD 189831 is a K4III-type star located in the constellation of Sagittarius. Sitting at a distance of approximately 366 ly from Earth, it shines with an apparent magnitude of 4.77, making it an interesting target for observation. It is officially recorded in the Hipparcos catalog as HIP 98761.
Common NameHD 189831
HIP Catalog IDHIP 98761
ConstellationSagittarius
Right Ascension20h 3m 33.4s
Declination-37° 56' 27"
Distance366 ly
Apparent Magnitude+4.77
Absolute Magnitude-0.48
Color Index (B-V)1.42
Spectral ClassK4III
Variable StarNo