Aries
The ram. Genitive Arietis, abbreviated Ari. Introduced by Ptolemy.
Area
441.27 sq°
39 of 88 by size
Brightest star
α Arietis
magnitude 2.00
Best seen
October
on the meridian at midnight
Visible from
90°N to 80°S
some part above the horizon
Where it is
| Measure | Value |
|---|---|
| Centre | 2h 40m, +20.1° |
| Declination range | +10.4° to +31.2° |
| Naked-eye stars | 83 to magnitude 6.5, 2 to magnitude 3 |
| Borders | Cetus, Perseus, Pisces, Taurus, Triangulum |
Principal stars
Every star to magnitude 4, brightest first.
| Star | Magnitude | HR |
|---|---|---|
| α Arietis | 2.00 | 617 |
| β Arietis | 2.64 | 553 |
| 41 Arietis | 3.63 | 838 |
Deep sky
No object in Aries carries a Messier number or a common name. It contains catalogued objects all the same, identified by number only.
My Sky
Rise, highest and set over your place, for any night: Aries
Further info
Sources
Principal stars: Bright Star Catalogue
Deep sky: NGC 2000.0
Area and borders: IAU constellation boundaries
