Alkaid (Eta Ursae Majoris)
Alkaid, Eta Ursae Majoris (η UMa), is a blue main sequence star with an apparent magnitude of 1.86. It lies at a distance of 103.9… Read More »Alkaid (Eta Ursae Majoris)
Main Sequence Stars
Sirius
Sirius, Alpha Canis Majoris (α CMa), is the brightest star in the night sky and one of the nearest star systems to Earth. The blue-white… Read More »Sirius
Zeta Reticuli
Zeta Reticuli (ζ Ret) is a wide double star located in the southern constellation Reticulum. The star system is composed of two Sun-like stars, Zeta1 and Zeta2 Reticuli,… Read More »Zeta Reticuli
Tabit (Pi³ Orionis)
Tabit, Pi3 Orionis (π3 Ori) is an F-type main sequence star located 26.32 light-years away in the constellation Orion. With an apparent magnitude of 3.16,… Read More »Tabit (Pi³ Orionis)
Tau Ceti
Tau Ceti (τ Cet) is a yellow main sequence star located in the constellation Cetus. With an apparent magnitude of 3.50, it is visible to… Read More »Tau Ceti
TRAPPIST-1
TRAPPIST-1 is a cool red dwarf located 40.66 light-years away in the constellation Aquarius. The star hosts seven known extrasolar planets, discovered in 2016 and… Read More »TRAPPIST-1
Achird (Eta Cassiopeiae)
Achird, Eta Cassiopeiae (η Cas), is a binary star located 19.32 light-years away in the northern constellation Cassiopeia. It is the nearest star in Cassiopeia… Read More »Achird (Eta Cassiopeiae)