Star · A0
Meridiana
Meridiana is a main-sequence star of spectral type A0 in the constellation Corona Australis, 120.4 light-years from the Sun.
| Other names | α CrA · HIP 94114 |
|---|---|
| Constellation | Corona Australis |
| Distance | 120.4 light-years (36.9 pc) |
| Apparent magnitude | magnitude 4.11 |
| Absolute magnitude | magnitude 1.27 |
| Spectral type | A0 |
| Surface temperature | 9,630 K |
| Luminosity | 34.4 L☉ |
| Radius | 2.11 R☉ |
| Mass | 2.5 M☉ (estimated) |
| Right ascension (J2000) | 19h 09m 28.3s |
| Declination (J2000) | −37° 54′ 16″ |
| Space velocity (relative to the Sun) | 42.6 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 4.11). Visible from the whole Southern Hemisphere and north to latitude 52° N. South of latitude 52° S it never sets. It stands highest at midnight in July, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1906. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 2.1 million years.
The Sun seen from there
From a planet around Meridiana, the Sun would look like a star of magnitude 7.67, in the direction where our sky has the constellation Auriga. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 91862 13.4 light-years
- WISEA J193430.11-421444.3 13.7 light-years
- HIP 90936 15.5 light-years
- GJ 4096 15.5 light-years
- HIP 95849 17.4 light-years
- HIP 94939 17.5 light-years
- HIP 91700 17.5 light-years
- VHS J192934.18-442550.5 17.9 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.