Antlia
Ant · genitive Antliae · southern sky
At a glance
- Catalogued stars
- 42
- Visible to the eye
- 42 stars
- Brightest star
- Alp Ant (4.28)
- Best seen
- February
- Declination span
- -37.1° to -31.1°
- Nearest star
- HD 88742 · 74.5 ly
Visible from everywhere south of about 53°N.
When and where to look for Antlia
Antlia crosses the meridian — its highest point in the sky — at local midnight around February, which makes the months from January to March the easiest time to find it in the evening. It spans declinations -37.1° to -31.1°, so visible from everywhere south of about 53°N.
The quickest way to find it is to open the live AR sky map and point your phone at the sky — if Antlia is above your horizon right now, its figure is drawn in the position it genuinely occupies above you.
Brightest stars in Antlia
| Star | Mag | Type | Distance |
|---|---|---|---|
| Alp Ant | 4.28 | K4III | 366.1 ly |
| Eps Ant | 4.51 | K3III | 710.6 ly |
| Iot Ant | 4.60 | K0III | 190.1 ly |
| The Ant | 4.78 | A7V+... | 339.4 ly |
| Eta Ant | 5.23 | A8IV | 108.6 ly |
| HD 90132 | 5.34 | A8V | 135.2 ly |
Magnitude runs backwards: lower numbers are brighter, and anything below about 6.5 is beyond the naked eye under a dark sky.
What Antlia is made of
The catalogue lists 42 stars within Antlia, of which 42 are magnitude 6.5 or brighter — the limit of what an unaided eye picks up under a genuinely dark sky. The rest need binoculars or a telescope.
Spectral make-up
Spectral class is a temperature ordering, running from O at around 30,000 K down to M below 3,500 K. A constellation is a direction, not a group, so this is simply what happens to lie along that line of sight.
The closest catalogued star in this direction is HD 88742 at 74.5 light years. The most distant is HD 89353 at roughly 2,652 light years — stars that appear side by side here are nothing of the sort.