About Beemim
Description
Beemim, 43 Eridani, is a K-type giant of spectral class K3.5 III about 296 light-years away. It shines at magnitude 3.96 in the central part of the constellation. It is one of several K-type red giants bearing Arabic names in Eridanus.
Observing Tips
Beemim lies in the middle part of Eridanus. In binoculars its warm orange color is unmistakable. Best observed October through February.
History
The name Beemim comes from the Arabic "al-bīmīm," another pre-Islamic asterism name of uncertain meaning. The IAU adopted the name in 2017.
Fun Facts
The long celestial river Eridanus hosts an unusually high density of named stars — a reflection of the river's central role in Mesopotamian and Arabic sky mythology as a cosmic waterway. Beemim is one of many waypoints along this starry river.
Observe
1Physical Properties
2Position & Identifiers
3How easy to spot?
| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | Medium+ | Medium |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
5Survey Image
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Explore
7
Size Comparison
8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
16
Light Travel Time Machine
17
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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