Eta Persei

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Stars of Perseus
η Persei
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Perseus
Right ascension 02h 50m 41.8s
Declination +55° 53' 44"
Apparent magnitude (V) +3.76
Distance 1331 ly
(408 pc)
Spectral type K3 Ib-IIa
Other designations
Miram, η Persei, η Per, Eta Per, 15 Persei, BD+55 714, CCDM J02506+5553A, FK5 99, GC 3390, HD 17506, HIP 13268, HR 834, IDS 02434+5529 A, PPM 28039, SAO 23655, WDS J02507+5554A.

Eta Persei (Eta Per, η Persei, η Per) is a star in the constellation Perseus. It also has the traditional name Miram.[1] Miram belongs to spectral class K3 and has an apparent magnitude of +3.76. It is approximately 1331 light years away from Earth. This star is radiating 35,000 times the luminosity of the Sun.[2]

Name and etymology[edit]

References[edit]

  1. ^ Miram
  2. ^ Mallik, Sushma V. (December 1999), "Lithium abundance and mass", Astronomy and Astrophysics 352: 495–507, Bibcode:1999A&A...352..495M 
  3. ^ Allen, R. H. (1963). Star Names: Their Lore and Meaning (Reprint ed.). New York: Dover Publications Inc. p. 331. ISBN 0-486-21079-0. Retrieved 2012-09-04. 
  4. ^ (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 11 日