Brachium
star · Libra · 3.3ᵐ
Red star in Libra.
Notable facts
The light you see today left Brachium around the year 1738.
About 13 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Brachium in?
Brachium lies in Libra.
Is Brachium visible to the naked eye?
3.3ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Brachium?
Best observed in May.
Data
- RA / Dec (J2000)
- 15h 04m · −25° 17′
- Type
- star
- Constellation
- Libra
- How to observe
- 3.3ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- M3/M4III — red star
- Absolute magnitude
- -1.5ᵐ
- Luminosity
- ≈334 × the Sun
- Distance
- ~288 light years
- Designation
- HIP 73714
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° | 5° | 149° |
| +55° | 10° | 138° |
| +45° | 20° | 127° |
| +30° | 35° | 120° |
| 0° | 65° | 115° |
| −35° | 80° | 121° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 07:19 |
| February | 05:11 |
| March | 03:26 |
| April | 01:33 |
| May | 23:38 |
| June | 21:32 |
| July | 19:28 |
| August | 17:27 |
| September | 15:34 |
| October | 13:45 |
| November | 11:45 |
| December | 09:36 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.