Delta1 Gruis

Delta1 Gruis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Grus
Right ascension 22h 29m 16.17481s [1]
Declination 43° 29 44.0245 [1]
Spectral typeG7III [1]

Delta1 Gruis (δ1 Gru) is a star in the constellation Grus. A red giant of spectral type M4.5III, it is semiregular variable that ranges between apparent magnitudes 3.99 and 4.2,[2] located 325 light-years from Earth. It has around 3 times the mass and 135 times the diameter of the Sun.[3]

References

  1. 1 2 3 SIMBAD, HR 8556 (accessed 19 September 2012)
  2. Watson, Christopher (25 August 2009). "Delta 2 Gruis". AAVSO Website. American Association of Variable Star Observers. Retrieved 18 January 2014.
  3. Kaler, James B. "Delta Gruis". Stars. University of Illinois. Retrieved 26 January 2014.
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