Theemin
star · Eridanus · 3.8ᵐ
Yellow star (like the Sun) in Eridanus.
Notable facts
The light you see today left Theemin around the year 1812.
About 8 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Theemin in?
Theemin lies in Eridanus.
Is Theemin visible to the naked eye?
3.8ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Theemin?
Best observed in November.
Data
- RA / Dec (J2000)
- 4h 36m · −30° 34′
- Type
- star
- Constellation
- Eridanus
- How to observe
- 3.8ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- G8III — yellow star (like the Sun)
- Absolute magnitude
- -0.3ᵐ
- Luminosity
- ≈110 × the Sun
- Distance
- ~214 light years
- Designation
- HIP 21393
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° | 4° | 152° |
| +45° | 14° | 136° |
| +30° | 29° | 126° |
| 0° | 59° | 121° |
| −35° | 86° | 128° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 20:50 |
| February | 18:43 |
| March | 16:57 |
| April | 15:04 |
| May | 13:10 |
| June | 11:04 |
| July | 09:00 |
| August | 06:59 |
| September | 05:06 |
| October | 03:17 |
| November | 01:16 |
| December | 23:08 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.