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 type | G7III [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 our sun.[3]
References
- 1 2 3 SIMBAD, HR 8556 (accessed 19 September 2012)
- ↑ Watson, Christopher (25 August 2009). "Delta 2 Gruis". AAVSO Website. American Association of Variable Star Observers. Retrieved 18 January 2014.
- ↑ Kaler, James B. "Delta Gruis". Stars. University of Illinois. Retrieved 26 January 2014.
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