Constellations
Eridanus (Eri)
The River
Also known as river.
6 looks for Eridanus
The constellation in a clear night sky over the hills: its lines draw themselves one on every beat, its real stars twinkle with the part of the song their colour answers, the Milky Way glows and a shooting star crosses on the big moments.
About Eridanus
- What it is
- One of the IAU's constellations: The River
- IAU abbreviation
- Eri
- Its stars are named
- Eridani (as in "Alpha Eridani")
- Family
- Heavenly Waters
- Where
- The southern sky: seen best from south of the equator
- Highest in the sky
- At about 9 pm in December
- Centre
- Right ascension 3h 34m, declination −26° 27′
- The figure
- 27 stars joined by 26 lines
- Brightest star
- Achernar, magnitude 0.46
Its stars
Brightest first. A smaller magnitude is a brighter star; the visualizer sizes and colours each one by these.
- Achernar (α Eri)mag 0.46
- Cursa (β Eri)mag 2.79
- Acamar (θ1 Eri)mag 2.91
- Zaurak (γ Eri)mag 2.95
- Rana (δ Eri)mag 3.54
- Beemim (υ4 Eri)mag 3.56
- φ Erimag 3.56
- Angetenar (τ4 Eri)mag 3.69
- χ Erimag 3.70
- Ran (ε Eri)mag 3.73
- Theemin (υ2 Eri)mag 3.82
- Azha (η Eri)mag 3.89
- ν Erimag 3.93
- undefined3 Erimag 3.96
- μ Erimag 4.02
- Beid (ο1 Eri)mag 4.04
- τ3 Erimag 4.09
- ι Erimag 4.11
- g Erimag 4.17
- τ6 Erimag 4.23
- π Cetmag 4.25
- κ Erimag 4.25
- τ5 Erimag 4.27
- e Erimag 4.27
- π Erimag 4.42
- τ1 Erimag 4.47
- y Erimag 4.58
Every star's place, brightness and colour is the Yale Bright Star Catalogue's; the figure is the IAU's, through d3-celestial (credited on the licences page). Constellations template · Every constellation