White main-sequence star · Corona Australis
Meridiana
Also known as: α Coronae Australis (α CrA), HIP 94114
mag 4.1130 light-years
About
Meridiana (α Coronae Australis) is a white main-sequence star of magnitude 4.1 in Corona Australis, about 130 light-years away.
How to find it
- Meridiana is in the constellation Corona Australis.
- Best evenings: around late August it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
- Where on Earth: it is seen well, at least 10° up, from south of 42° N.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesVisible from the suburbs on a clear night, but lost in bright city skies.
- Binoculars (10×50)A sharp point; binoculars bring out its colour and the fainter stars around it.
- Telescope (6–8 inch)Still a point of light at any magnification — stars are too far away to show a disc. Low in the sky, bright stars twinkle and flash colours.
Stars look the same in any instrument: brighter and sharper, but never bigger.
Facts
| Proper name | Meridiana |
|---|---|
| Designation | α Coronae Australis (α CrA) |
| Hipparcos number | HIP 94114 |
| Type | White main-sequence star |
| Spectral type | A0/A1V |
| Colour | WhiteB−V colour index 0.04 |
| Magnitude | 4.1The smaller the number, the brighter. |
| Distance | 130 light-yearsThe light you see left it around 1900. |
| Proper motion | 0.13″ per year across the sky |
| Constellation | Corona Australis |
| Right ascension (J2000) | 19h 09m 28.3s |
| Declination (J2000) | −37° 54′ 16″ |
More in Corona Australis
.jpg?width=160)
Sources and credits
Star data: HYG Database by David Nash, CC BY-SA 4.0. All data sources →