40 Eridani is a triple star system less than 16.5 light years away from Earth, in the constellation Eridanus. Type of Star: Blue-White Color. Star designated 40 in the constellation Eridanus. 40 Eridani B b / Andor. Taking a quick pic with the 6 and the ASI178MC 8 x 1s with Sharpcap revealed the colors But the true nature of 40 Eridani B was still concealed behind the facade of a normal blue star. From Rigel in Orion, first hop to Cursa Eridani. Then to the west to the couple Mu and Nu Eridani, and finally to 38 Eridani (Beid). The primary star of the system, 40 Eridani A, is easily visible to the naked eye. 40 Eridani - posted in Double Star Observing: 40 Eridani is a wonderful triple system A,BC 83 PA 102; B,C 9 PA 332 I could see them all easily with my 8 last night. Epsilon Eridani is a chromospherically active star, whose spectral line shapes, magnetic field, and photospheric temperature vary much more over time than most main sequence stars (Gray and Baliunas, 1995).

The pair 40 Eridani B/C was discovered by Friedrich Wilhelm Herschel on the 31st January 1783 Asked in Animated TV Series It has an apparent magnitude of 4.43 and can be seen without binoculars. Keid – 40 Eridani . Because of its youth, the star spins relatively fast with a rotational period of 11 days (compared with Sol's 27-day rotation). Sirius, How can 40 Eridanl B be so much hotter than Beetlegeuse and so less bright because.
40 Eridani is very easy to locate, because it's magnitude 4.4 A component is visible to the naked eye. It is also known as Omicron 2 Eridani for all collective components. 40 Eridani (also known as Omicron 2 Eridani, or Keid, from the Arabic word qayd, (egg) shells) is a triple star system less than 16.5 light years away from Earth.It is in the constellation Eridanus.The primary star of the system, 40 Eridani A, is easily visible to the naked eye. Radius: 0.014 Suns Mass: 0.573 Suns Luminosity: 0.013 Suns Temperature: 16,500 K Color: Sky-Blue. They lie 400 Astronomical Units (about 37 billion miles) from 40 Eridani A, circling this star in … 40 Eridani is a triple star system less than 16.5 light years away from Earth.It is in the constellation Eridanus. Component A is also known as Keid, from the Arabic word qayd, (egg) shells. A white dwarf formed from a long dead star, 40 Eridani B is among the less massive white dwarfs, and among the hotter. Claim to Fame: One of the first white dwarfs found.

... Name a very young stars on the chart. Made of extremely dense material.

To the southeast of 38 Eridani lies my target, 40 Eridani. The primary component, 40 Eridani A, is a main sequence dwarf belonging to the spectral class K1.