Mesarthim
star · Aries · 3.9ᵐ
White star in Aries. It lies about 164 light years from Earth. In visible light it shines roughly 61 times as bright as the Sun.
Notable facts
The light you see today left Mesarthim around the year 1862.
About 7 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Mesarthim in?
Mesarthim lies in Aries.
Is Mesarthim visible to the naked eye?
3.9ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Mesarthim?
Best observed in October.
Data
- RA / Dec (J2000)
- 1h 54m · +19° 18′
- Type
- star
- Constellation
- Aries
- How to observe
- 3.9ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- A1p Si — white star
- Absolute magnitude
- 0.4ᵐ
- Luminosity (visual)
- ≈61 × the Sun
- Distance
- ~164 light years
- Designation
- HIP 8832
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° | 49° | 49° |
| +55° | 54° | 55° |
| +45° | 64° | 62° |
| +30° | 79° | 68° |
| 0° | 71° | 71° |
| −35° | 36° | 66° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 18:08 |
| February | 16:01 |
| March | 14:15 |
| April | 12:22 |
| May | 10:28 |
| June | 08:22 |
| July | 06:18 |
| August | 04:17 |
| September | 02:24 |
| October | 00:35 |
| November | 22:34 |
| December | 20:26 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.