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Analyze real-time astronomical and meteorological data for 21 Sgr.
21 Sgr
A1/A2V21 Sgr · Sagittarius
21 Sgr is a A1/A2V-type star located in the constellation of Sagittarius. Sitting at a distance of approximately 410 ly from Earth, it shines with an apparent magnitude of 4.81, making it an interesting target for observation. It is officially recorded in the Hipparcos catalog as HIP 90289.
Common Name21 Sgr
Bayer Designation21 Sgr
HIP Catalog IDHIP 90289
ConstellationSagittarius
Right Ascension18h 25m 21.0s
Declination-20° 32' 30"
Distance410 ly
Apparent Magnitude+4.81
Absolute Magnitude-0.69
Color Index (B-V)1.31
Spectral ClassA1/A2V
Variable StarNo