Epsilon Cassiopeiae

From Wikipedia, the free encyclopedia

ε Cassiopeiae
Observation data
Epoch J2000.0
Constellation
(pronunciation)		 Cassiopeia
Right ascension 01h54m23.7s
Declination +63°40′12″
Apparent magnitude (V) +3.38
Distance 442 ± 34 ly
(136 ± 10 pc)
Spectral type B3III
Other designations
Segin, Navi, 45 Cassiopeiae, HR 542, HD 11415, BD+62°320, FK5 63, HIP 8886, SAO 12031, GC 2289

Epsilon Cassiopeiae (ε Cas / ε Cassiopeiae) is a star system in the constellation Cassiopeia. It is approximately 441 light years from Earth. It has the traditional name Segin. Its modern name is Navi, in honor of astronaut Virgil Ivan "Gus" Grissom, one of the three astronauts who died in the Apollo 1 accident.

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 442 light years from Earth.

[edit] External links

Sun  This giant star-related article is a stub. You can help Wikipedia by expanding it.