Blue-white main-sequence star · Norma
ε Normae
Also known as: ε Nor, HIP 80582
mag 4.5530 light-years
About
ε Normae is a blue-white main-sequence star of magnitude 4.5 in Norma, about 530 light-years away.
How to find it
- ε Normae is in the constellation Norma.
- Best evenings: around mid-July 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 32° 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
| Designation | ε Normae (ε Nor) |
|---|---|
| Hipparcos number | HIP 80582 |
| Type | Blue-white main-sequence star |
| Spectral type | B4V |
| Colour | WhiteB−V colour index −0.07 |
| Magnitude | 4.5The smaller the number, the brighter. |
| Distance | 530 light-yearsThe light you see left it around 1500. |
| Proper motion | 0.025″ per year across the sky |
| Constellation | Norma |
| Right ascension (J2000) | 16h 27m 11.0s |
| Declination (J2000) | −47° 33′ 17″ |
Sources and credits
Star data: HYG Database by David Nash, CC BY-SA 4.0. All data sources →