Omega and Mu Eridani

ω and μ Eridani

First to omega Eridani, one binocular field west of beta Eridani: (binocular).

Rather ironic to be visiting omega so soon into our adventure, unless one begins instead in the Southern Hemisphere at alpha Eridani, then omega seems more fitting as we near the end.

So we are now at omega Eridani, a bit of a mystery star. It's probably a subgiant, which will eventually attain 'giant' status. The star is 227 light years away, and is rapidly rotating, about 180 k/s.

Omega Eridani has a radius of about five Suns. There is speculation, based on its Doppler shifts, that the star is a binary, but no companion star has ever been sighted.

Mu Eridani is the point the farthest north on the river.

In binoculars you'll see a trio of stars making a 'roof': mu and nu, both subgiants, and between them 51 Eri, a young dwarf star which will eventually become similar to our Sun.

Pausing a moment from our descent down the river, we drop one binocular field south to 55 Eridani,

55 Eridani (Struve 590) is a lovely double star with colour contrast, dark yellow and pale yellow: 6.7, 6.8; 318, 9.3".

We proceed now to xi, one binocular field and a bit more northwest: binoculars. Click on xi Eridani on the map to proceed.

All files associated with The Constellations Web Page are
1999-2014 by Richard Dibon-Smith.