- Epsilon Cassiopeiae
Starbox short
name=ε Cassiopeiae
epoch=J2000.0
constell=Cassiopeia
ra=01h54m23.7s
dec=+63°40′12″
spectral=B3III
appmag_v=+3.38
dist_ly=442 ± 34
dist_pc=136 ± 10
names=Segin, Navi, 45 Cassiopeiae, HR 542, HD 11415, BD+62°320, FK5 63, HIP 8886, SAO 12031, GC 2289Epsilon Cassiopeiae (ε Cas / ε Cassiopeiae) is a
star system in theconstellation Cassiopeia. It is approximately 441light years fromEarth . It has the traditional name Segin. One of the NASA designations for this star is Navi, in honor of astronaut Virgil Ivan "Gus" Grissom, one of the three astronauts who died in theApollo 1 accident. [ [http://www.space.com/spacewatch/star_names_030829.html NightSky Friday: Rotanev, Derf, Navi, and other Backward Star Names] –Space.com article ]It is a single, blue-white B-type giant with a luminosity 720 times that of the
Sun . It has an apparent magnitude of +3.38 and is approximately 442light years fromEarth .References
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