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103 Aquarii

Star in the constellation Aquarius

Summary

Star in the constellation Aquarius

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103 Aquarii is a single star in the equatorial constellation of Aquarius. 103 Aquarii is the Flamsteed designation, although it also bears the Bayer designation A1 Aquarii. It is faint but visible to the naked eye as an orange hued star with an apparent visual magnitude of 5.34. Based upon an annual parallax shift of , the distance to this star is around 700 ly. It is moving away from the Earth with a heliocentric radial velocity of +25 km/s.

This is classified as a K-type giant star, having evolved off the main sequence after exhausting the hydrogen at its core and expanded to 64 times the Sun's radius. The star is radiating 848 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 3,910 K.

References

References

  1. {{cite DR2. 2393870910861426304
  2. Wilson, R. E.. (1953). "General Catalogue of Stellar Radial Velocities". Carnegie Institute of Washington, D.C..
  3. (1978). "Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars". Dept. of Astronomy, University of Michigan.
  4. (1968). "Photoelectric Magnitudes and Colours for Bright Southern Stars". Monthly Notes of the Astronomical Society of Southern Africa.
  5. McWilliam, Andrew. (December 1990). "High-resolution spectroscopic survey of 671 GK giants". Astrophysical Journal Supplement Series.
  6. "103 Aqr".
Wikipedia Source

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k-type-giants aquarius-(constellation) bayer-objects durchmusterung-objects flamsteed-objects henry-draper-catalogue-objects hipparcos-objects bright-star-catalogue-objects
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