
Star profile
Delta Coronae Australis
What is Delta Coronae Australis
Delta Coronae Australis is a solitary orange giant, without companions, in the small Southern Crown that curves below Sagittarius. Eleven times the Sun's radius and fifty-five times its light, in the midst of helium fusion at its core. At 178 light-years, its warm tone completes the southern diadem that the ancients imagined as a warrior's fallen laurel, far less celebrated than its northern twin.
Where it is and when to see it
Delta Coronae Australis lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is July, when it culminates around midnight.
- From London it never rises above the horizon.
- From New York it culminates about 9° above the horizon.
- From Sydney it culminates about 83° above the horizon.
It can be seen from anywhere south of 50° N.
It ranks no. 4 in brightness among the 29 stars of Corona Australis in our catalogue. To find it, start from Beta Coronae Australis, the brightest: it lies about 1° away (a fist at arm's length covers about 10°).
The light you see today left it about 180 years ago.
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Astronomical data for Delta Coronae Australis
- Constellation
- Corona Australis
- Apparent magnitude
- 4.57
- Distance
- 178.5 light years
- Coordinates (J2000)
- RA 287.087° · Dec -40.497°
- Catalogue
- HIP 94005 · HD 177873
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Other stars in Corona Australis
Corona Australis has 29 stars in Stelvia's catalogue. Here are a few of them.
- Beta Coronae Australis4.10
- MeridianaAlpha Coronae Australis4.11
- Gamma Coronae Australis4.23
- Theta Coronae Australis4.62
- Zeta Coronae Australis4.74
- Epsilon Coronae Australis4.83
- HIP 887264.92
- Gamma Coronae Australis5.00