ο Cet(くじら座ο星,固有名:ミラ) | |||||||||||
分類:ミラ型(M) 分類の「ミラ型」は、このくじら座のミラを代表としている。赤色巨星で長周期脈動変光星。 周期は80から1000日で典型的には1年程度のものが多い。 変光は比較的規則的であるが、1周期ごとの長さや極大・極小光度共に変動する。 <οCet について> このミラは、2.0等と10.1等の間を約332日の周期で変光するが、極大等級も周期も必ず一定になるとは限らない。 ミラは実視連星でもあり、赤色巨星の主星(ミラA)と伴星(ミラB)からなる。 ミラBも不規則に明るさを変化させる変光星であり、変光星名をくじら座 VZ(VZ Cet)という。 |
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変光星名 | 2007年 | 2008年 | 2009年 | ||||||||
CETomicron |
観測日時 | 光度 | 観測者 | 観測日時 | 光度 | 観測者 | 観測日時 | 光度 | 観測者 | ||
2007 07 26 27 45 | <63 | Nyh | 2008 01 01 17 28 | 44 | Nyh | 2009 01 01 17 50 | 36 | Nyh | |||
2007 08 06 27 53 | 86 | Nyh | 2008 01 01 21 31 | 44 | Nyh | 2009 01 02 21 08 | 36 | Nyh | |||
2007 08 13 26 43 | 86 | Nyh | 2008 01 02 20 40 | 42 | Nyh | 2009 01 03 21 06 | 36 | Nyh | |||
2007 09 07 24 28 | 92 | Nyh | 2008 01 03 23 32 | 42 | Nyh | 2009 01 04 17 39 | 36 | Nyh | |||
2007 09 09 24 25 | 92 | Nyh | 2008 01 04 21 52 | 42 | Nyh | 2009 01 05 21 45 | 36 | Nyh | |||
2007 09 14 24 22 | 92 | Nyh | 2008 01 05 21 48 | 41 | Nyh | 2009 01 07 19 21 | 36 | Nyh | |||
2007 09 15 23 58 | 92 | Nyh | 2008 01 06 22 05 | 40 | Nyh | 2009 01 08 19 24 | 36 | Nyh | |||
2007 09 16 23 00 | 92 | Nyh | 2008 01 08 17 43 | 39 | Nyh | 2009 01 10 17 49 | 37 | Nyh | |||
2007 09 20 22 48 | 92 | Nyh | 2008 01 09 21 55 | 40 | Nyh | 2009 01 12 21 43 | 36 | Nyh | |||
2007 09 21 22 49 | 92 | Nyh | 2008 01 10 22 05 | 40 | Nyh | 2009 01 13 18 13 | 37 | Nyh | |||
2007 10 17 25 30 | 94 | Nyh | 2008 01 13 21 50 | 39 | Nyh | 2009 01 14 18 31 | 37 | Nyh | |||
2007 11 03 20 21 | 92 | Nyh | 2008 01 15 18 30 | 37 | Nyh | 2009 01 15 18 26 | 38 | Nyh | |||
2007 11 07 21 47 | 92 | Nyh | 2008 01 16 19 05 | 37 | Nyh | 2009 01 16 18 52 | 38 | Nyh | |||
2007 11 08 21 27 | 92 | Nyh | 2008 01 17 18 00 | 37 | Nyh | 2009 01 17 18 28 | 38 | Nyh | |||
2007 11 15 22 00 | 91 | Nyh | 2008 01 18 18 30 | 37 | Nyh | 2009 01 19 18 29 | 38 | Nyh | |||
2007 11 18 24 24 | 86 | Nyh | 2008 01 19 18 25 | 37 | Nyh | 2009 01 20 21 08 | 38 | Nyh | |||
2007 11 20 20 42 | 87 | Nyh | 2008 01 24 21 45 | 40 | Nyh | 2009 01 25 18 54 | 38 | Nyh | |||
2007 11 21 21 33 | 87 | Nyh | 2008 01 25 21 07 | 40 | Nyh | 2009 01 27 21 18 | 39 | Nyh | |||
2007 11 22 21 17 | 87 | Nyh | 2008 01 27 18 13 | 38 | Nyh | 2009 02 02 18 48 | 41 | Nyh | |||
2007 11 23 21 05 | 87 | Nyh | 2008 01 30 21 59 | 39 | Nyh | 2009 02 06 18 31 | 41 | Nyh | |||
2007 11 24 22 40 | 86 | Nyh | 2008 01 31 20 40 | 40 | Nyh | 2009 02 07 19 12 | 44 | Nyh | |||
2007 12 01 20 43 | 84 | Nyh | 2008 02 01 17 58 | 39 | Nyh | 2009 02 08 19 14 | 42 | Nyh | |||
2007 12 02 19 24 | 84 | Nyh | 2008 02 05 18 53 | 42 | Nyh | 2009 02 10 18 11 | 44 | Nyh | |||
2007 12 03 22 56 | 83 | Nyh | 2008 02 08 18 50 | 39 | Nyh | 2009 02 11 18 46 | 45 | Nyh | |||
2007 12 04 22 14 | 83 | Nyh | 2008 02 10 18 02 | 39 | Nyh | 2009 02 12 18 12 | 45 | Nyh | |||
2007 12 05 23 13 | 82 | Nyh | 2008 02 13 20 45 | 40 | Nyh | 2009 02 14 18 47 | 48 | Nyh | |||
2007 12 06 21 41 | 82 | Nyh | 2008 02 14 21 06 | 42 | Nyh | 2009 02 18 19 01 | 48 | Nyh | |||
2007 12 07 23 16 | 81 | Nyh | 2008 02 19 18 51 | 41 | Nyh | 2009 02 21 19 36 | 51 | Nyh | |||
2007 12 09 23 18 | 81 | Nyh | 2008 02 20 19 02 | 40 | Nyh | 2009 03 02 19 06 | 53 | Nyh | |||
2007 12 11 23 44 | 72: | Nyh | 2008 02 22 18 36 | 40 | Nyh | 2009 09 10 23 20 | 90 | Nyh | |||
2007 12 13 23 58 | 72 | Nyh | 2008 02 24 18 38 | 42 | Nyh | 2009 10 10 21 47 | 72 | Nyh | |||
2007 12 14 21 34 | 70 | Nyh | 2008 02 25 18 14 | 42 | Nyh | 2009 10 15 21 41 | 68 | Nyh | |||
2007 12 15 23 41 | 69 | Nyh | 2008 02 28 18 54 | 44 | Nyh | 2009 10 18 22 13 | 59 | Nyh | |||
2007 12 16 23 11 | 69 | Nyh | 2008 02 29 18 39 | 44 | Nyh | 2009 10 19 21 17 | 56 | Nyh | |||
2007 12 17 21 39 | 62 | Nyh | 2008 09 07 24 09 | 93 | Nyh | 2009 10 20 21 36 | 54 | Nyh | |||
2007 12 18 23 52 | 61 | Nyh | 2008 10 03 26 31 | 89 | Nyh | 2009 10 21 22 50 | 51 | Nyh | |||
2007 12 24 23 14 | 51 | Nyh | 2008 10 06 22 40 | 90 | Nyh | 2009 10 27 23 49 | 41 | Nyh | |||
2007 12 25 23 48 | 48 | Nyh | 2008 10 11 21 51 | 89 | Nyh | 2009 10 28 24 26 | 40 | Nyh | |||
2007 12 26 21 59 | 46 | Nyh | 2008 10 28 21 04 | 84 | Nyh | 2009 10 29 23 07 | 39 | Nyh | |||
2007 12 27 20 50 | 48 | Nyh | 2008 10 30 21 47 | 83 | Nyh | 2009 10 30 21 31 | 38 | Nyh | |||
2007 12 30 21 56 | 46 | Nyh | 2008 11 01 22 13 | 82 | Nyh | 2009 11 03 22 09 | 34 | Nyh | |||
2007 12 31 17 30 | 45 | Nyh | 2008 11 04 22 00 | 81 | Nyh | 2009 11 05 23 34 | 34 | Nyh | |||
2008 11 05 20 56 | 82 | Nyh | 2009 11 06 18 20 | 35 | Nyh | ||||||
2008 11 13 21 20 | 71 | Nyh | 2009 11 12 24 12 | 34 | Nyh | ||||||
2008 11 17 19 50 | 68 | Nyh | 2009 11 14 24 39 | 39 | Nyh | ||||||
2008 11 19 21 01 | 59 | Nyh | 2009 11 15 23 16 | 38 | Nyh | ||||||
2008 11 20 21 07 | 57 | Nyh | 2009 11 18 22 12 | 36 | Nyh | ||||||
2008 11 21 18 23 | 55 | Nyh | 2009 11 19 23 23 | 36 | Nyh | ||||||
2008 11 23 18 15 | 53 | Nyh | 2009 11 21 18 31 | 36 | Nyh | ||||||
2008 11 25 18 50 | 45 | Nyh | 2009 11 23 19 16 | 36 | Nyh | ||||||
2008 11 26 18 05 | 44 | Nyh | 2009 11 26 18 18 | 37 | Nyh | ||||||
2008 11 28 18 06 | 44 | Nyh | 2009 12 01 23 12 | 36 | Nyh | ||||||
2008 11 29 19 59 | 44 | Nyh | 2009 12 06 21 41 | 36 | Nyh | ||||||
2008 11 30 20 53 | 42 | Nyh | 2009 12 07 23 28 | 36 | Nyh | ||||||
2008 12 02 22 00 | 37 | Nyh | 2009 12 08 18 11 | 36 | Nyh | ||||||
2008 12 03 21 31 | 37 | Nyh | 2009 12 12 18 03 | 37 | Nyh | ||||||
2008 12 04 18 07 | 37 | Nyh | 2009 12 13 18 10 | 37 | Nyh | ||||||
2008 12 07 22 56 | 34 | Nyh | 2009 12 15 24 25 | 39 | Nyh | ||||||
2008 12 10 17 40 | 34 | Nyh | 2009 12 17 22 50 | 40 | Nyh | ||||||
2008 12 11 21 08 | 34 | Nyh | 2009 12 18 23 47 | 39 | Nyh | ||||||
2008 12 12 18 16 | 34 | Nyh | 2009 12 19 20 26 | 40 | Nyh | ||||||
2008 12 14 22 38 | 35 | Nyh | 2009 12 20 23 28 | 42 | Nyh | ||||||
2008 12 15 22 50 | 35 | Nyh | 2009 12 21 23 27 | 40 | Nyh | ||||||
2008 12 16 18 06 | 36 | Nyh | 2009 12 22 22 10 | 40 | Nyh | ||||||
2008 12 18 23 24 | 36 | Nyh | 2009 12 23 23 28 | 40 | Nyh | ||||||
2008 12 19 18 06 | 36 | Nyh | 2009 12 25 22 27 | 40 | Nyh | ||||||
2008 12 20 18 41 | 36 | Nyh | 2009 12 26 22 39 | 41 | Nyh | ||||||
2008 12 23 17 59 | 35 | Nyh | 2009 12 28 23 24 | 41 | Nyh | ||||||
2008 12 25 23 07 | 36 | Nyh | 2009 12 30 23 48 | 42 | Nyh | ||||||
2008 12 26 19 13 | 35 | Nyh | 2009 12 31 20 00 | 41 | Nyh | ||||||
2008 12 27 18 20 | 34 | Nyh | |||||||||
2008 12 28 18 14 | 37 | Nyh | |||||||||
2008 12 29 18 09 | 35 | Nyh | |||||||||
2008 12 30 18 43 | 36 | Nyh | |||||||||
2008 12 31 19 54 | 36 | Nyh |
変光星名 | 2010年 | 2011年 | |||||
CETomicron | 観測日時 | 光度 | 観測者 | 観測日時 | 光度 | 観測者 | |
2010 01 01 21 47 | 41 | Nyh | 2011 01 02 21 55 | 50 | Nyh | ||
2010 01 02 22 40 | 42 | Nyh | 2011 01 03 21 36 | 50 | Nyh | ||
2010 01 05 18 18 | 44 | Nyh | 2011 01 04 22 58 | 50 | Nyh | ||
2010 01 06 23 04 | 44 | Nyh | 2011 01 08 22 11 | 51 | Nyh | ||
2010 01 08 18 33 | 42 | Nyh | 2011 01 12 22 56 | 53 | Nyh | ||
2010 01 09 18 29 | 48 | Nyh | 2011 01 19 21 42 | 60 | Nyh | ||
2010 01 10 18 13 | 44 | Nyh | 2011 01 20 21 38 | 60 | Nyh | ||
2010 01 11 17 50 | 49 | Nyh | 2011 01 30 19 01 | 68 | Nyh | ||
2010 01 13 22 36 | 51 | Nyh | 2011 01 31 18 22 | 68 | Nyh | ||
2010 01 14 18 30 | 50 | Nyh | 2011 02 01 21 07 | 67 | Nyh | ||
2010 01 15 21 09 | 49 | Nyh | |||||
2010 01 16 21 26 | 48 | Nyh | |||||
2010 01 18 22 10 | 49 | Nyh | |||||
2010 01 19 18 15 | 48 | Nyh | |||||
2010 01 21 18 47 | 48 | Nyh | |||||
2010 01 23 22 06 | 48 | Nyh | |||||
2010 01 26 21 49 | 48 | Nyh | |||||
2010 01 30 21 10 | 50 | Nyh | |||||
2010 02 02 21 32 | 51 | Nyh | |||||
2010 02 04 18 10 | 51 | Nyh | |||||
2010 02 05 18 33 | 51 | Nyh | |||||
2010 02 06 18 28 | 51 | Nyh | |||||
2010 02 07 18 50 | 51 | Nyh | |||||
2010 02 20 18 40 | 57 | Nyh | |||||
2010 09 18 22 22 | 47 | Nyh | |||||
2010 09 25 22 08 | 36 | Nyh | |||||
2010 10 02 22 26 | 33 | Nyh | |||||
2010 10 05 22 14 | 34 | Nyh | |||||
2010 10 06 21 52 | 30 | Nyh | |||||
2010 10 08 21 25 | 30 | Nyh | |||||
2010 10 10 21 32 | 30 | Nyh | |||||
2010 10 11 21 18 | 29 | Nyh | |||||
2010 10 27 19 10 | 30 | Nyh | |||||
2010 11 01 19 50 | 31 | Nyh | |||||
2010 11 01 23 36 | 30 | Nyh | |||||
2010 11 02 21 58 | 30 | Nyh | |||||
2010 11 03 21 41 | 31 | Nyh | |||||
2010 11 04 23 08 | 30 | Nyh | |||||
2010 11 05 22 33 | 31 | Nyh | |||||
2010 11 08 21 43 | 31 | Nyh | |||||
2010 11 09 22 54 | 31 | Nyh | |||||
2010 11 10 22 36 | 31 | Nyh | |||||
2010 11 11 21 00 | 31 | Nyh | |||||
2010 11 12 21 55 | 31 | Nyh | |||||
2010 11 14 21 25 | 31 | Nyh | |||||
2010 11 18 21 00 | 32 | Nyh | |||||
2010 11 24 19 22 | 33 | Nyh | |||||
2010 11 27 21 53 | 33 | Nyh | |||||
2010 11 28 23 23 | 34 | Nyh | |||||
2010 11 29 21 33 | 34 | Nyh | |||||
2010 12 01 23 27 | 33 | Nyh | |||||
2010 12 03 21 10 | 36 | Nyh | |||||
2010 12 04 21 02 | 36 | Nyh | |||||
2010 12 05 22 34 | 36 | Nyh | |||||
2010 12 06 21 44 | 37 | Nyh | |||||
2010 12 09 21 28 | 38 | Nyh | |||||
2010 12 14 19 20 | 42 | Nyh | |||||
2010 12 17 21 04 | 42 | Nyh | |||||
2010 12 18 22 02 | 44 | Nyh | |||||
2010 12 20 21 19 | 44 | Nyh | |||||
2010 12 22 24 16 | 45 | Nyh | |||||
2010 12 25 22 57 | 48 | Nyh | |||||
2010 12 26 23 02 | 46 | Nyh | |||||
2010 12 27 22 04 | 46 | Nyh | |||||
2010 12 28 23 46 | 49 | Nyh | |||||
2010 12 29 23 14 | 49 | Nyh | |||||
2010 12 30 23 45 | 50 | Nyh |