Atria
star · Triangulum Australe · 1.9ᵐ
Orange star in Triangulum Australe.
Notable facts
The light you see today left Atria around the year 1635.
About 43 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Atria in?
Atria lies in Triangulum Australe.
Is Atria visible to the naked eye?
1.9ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Atria?
Best observed in June.
Data
- RA / Dec (J2000)
- 16h 49m · −69° 02′
- Type
- star
- Constellation
- Triangulum Australe
- How to observe
- 1.9ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- K2IIb-IIIa — orange star
- Absolute magnitude
- -3.5ᵐ
- Luminosity
- ≈2,109 × the Sun
- Distance
- ~391 light years
- Designation
- HIP 82273
Observing tip
Stars stay points at any magnification: aim your telescope for colour, brightness and companions, not detail.
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | never rises | — |
| +55° | never rises | — |
| +45° | never rises | — |
| +30° | never rises | — |
| 0° | 21° | 159° |
| −35° | 56° · never sets | — |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 09:03 |
| February | 06:56 |
| March | 05:11 |
| April | 03:17 |
| May | 01:23 |
| June | 23:17 |
| July | 21:13 |
| August | 19:12 |
| September | 17:19 |
| October | 15:30 |
| November | 13:29 |
| December | 11:21 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.