Maxima for RY Cep
Period: 149.44, Epoch: 2444564.0

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-221   2411585 1890-08-05 2411537 1890-06-18 48 SVO
-213   2412785 1893-11-17 2412732 1893-09-25 53 SVO
-211   2413080 1894-09-08 2413031 1894-07-21 49 SVO
-206   2413841 1896-10-08 2413779 1896-08-07 62 AN, 1913, vol 193, p 319
-205   2413970 1897-02-14 2413928 1897-01-03 42 SVO
-202   2414423 1898-05-13 2414376 1898-03-27 47 AN, 1913, vol 193, p 319
-200   2414715 1899-03-01 2414675 1899-01-20 40 SVO
-199   2414875 1899-08-08 2414825 1899-06-19 50 SVO
-198   2415025 1900-01-05 2414974 1899-11-15 51 SVO
-197   2415143 1900-05-03 2415124 1900-04-14 19 AN, 1913, vol 193, p 319
-195   2415460 1901-03-16 2415422 1901-02-06 38 SVO
-194   2415613 1901-08-16 2415572 1901-07-06 41 AN, 1913, vol 193, p 319
-193   2415768 1902-01-18 2415721 1901-12-02 47 SVO
-192   2415915 1902-06-14 2415871 1902-05-01 44 SVO
-191   2416078 1902-11-24 2416020 1902-09-27 58 SVO
-189   2416365 1903-09-07 2416319 1903-07-23 46 SVO
-188   2416520 1904-02-09 2416469 1903-12-20 51 SVO
-187   2416663 1904-07-01 2416618 1904-05-17 45 SVO
-186   2416809 1904-11-24 2416767 1904-10-13 42 SVO
-184   2417105 1905-09-16 2417066 1905-08-08 39 SVO
-183   2417245 1906-02-03 2417216 1906-01-05 29 SVO
-181   2417545 1906-11-30 2417515 1906-10-31 30 SVO
-179   2417839 1907-09-20 2417814 1907-08-26 25 SVO
-178   2417985 1908-02-13 2417963 1908-01-22 22 SVO
-176   2418287 1908-12-11 2418262 1908-11-16 25 SVO
-175   2418424 1909-04-27 2418411 1909-04-14 13 AN, 1913, vol 193, p 319
-174   2418580 1909-09-30 2418561 1909-09-11 19 AN, 1913, vol 193, p 319
-173   2418720 1910-02-17 2418710 1910-02-07 10 AN, 1913, vol 193, p 319
-172   2418865 1910-07-12 2418860 1910-07-07 5 SVO
-171   2419022 1910-12-16 2419009 1910-12-03 13 SVO
-169   2419320 1911-10-10 2419308 1911-09-28 12 SVO
-166   2419780 1913-01-12 2419756 1912-12-19 24 SVO
-164   2420070 1913-10-29 2420055 1913-10-14 15 SVO
-163   2420220 1914-03-28 2420205 1914-03-13 15 SVO
-161   2420517 1915-01-19 2420504 1915-01-06 13 SVO
-159   2420813 1915-11-11 2420802 1915-10-31 11 SVO
-158   2420955 1916-04-01 2420952 1916-03-29 3 SVO
-157   2421102 1916-08-26 2421101 1916-08-25 1 SVO
-156   2421253 1917-01-24 2421251 1917-01-22 2 SVO
-154   2421561 1917-11-28 2421550 1917-11-17 11 SVO
-153   2421700 1918-04-16 2421699 1918-04-15 1 SVO
-152   2421835 1918-08-29 2421849 1918-09-12 -14 SVO
-151   2421990 1919-01-31 2421998 1919-02-08 -8 SVO
-150   2422150 1919-07-10 2422147 1919-07-07 3 SVO
-149   2422296 1919-12-03 2422297 1919-12-04 -1 SVO
-147   2422601 1920-10-03 2422596 1920-09-28 5 SVO
-146   2422741 1921-02-20 2422745 1921-02-24 -4 SVO
-145   2422890 1921-07-19 2422895 1921-07-24 -5 SVO
-144   2423040 1921-12-16 2423044 1921-12-20 -4 SVO
-142   2423340 1922-10-12 2423343 1922-10-15 -3 SVO
-141   2423490 1923-03-11 2423492 1923-03-13 -2 SVO
-140   2423645 1923-08-13 2423642 1923-08-10 3 SVO
-139   2423785 1923-12-31 2423791 1924-01-06 -6 SVO
-137   2424087 1924-10-28 2424090 1924-10-31 -3 SVO
-135   2424381 1925-08-18 2424389 1925-08-26 -8 SVO
-134   2424520 1926-01-04 2424539 1926-01-23 -19 SVO
-132   2424825 1926-11-05 2424837 1926-11-17 -12 SVO
-130   2425112 1927-08-19 2425136 1927-09-12 -24 SVO
-127   2425570 1928-11-19 2425585 1928-12-04 -15 SVO
-126   2425708 1929-04-06 2425734 1929-05-02 -26 AN, 1936, vol 259, p 101
-125   2425857 1929-09-02 2425884 1929-09-29 -27 SVO
-124   2426005 1930-01-28 2426033 1930-02-25 -28 SVO
-123   2426155 1930-06-27 2426182 1930-07-24 -27 SVO
-122   2426306 1930-11-25 2426332 1930-12-21 -26 SVO
-120   2426594 1931-09-09 2426631 1931-10-16 -37 SVO
-119   2426752 1932-02-14 2426780 1932-03-13 -28 SVO
-118   2426904 1932-07-15 2426930 1932-08-10 -26 SVO
-117   2427049 1932-12-07 2427079 1933-01-06 -30 AN, 1936, vol 259, p 101
-115   2427349 1933-10-03 2427378 1933-11-01 -29 AN, 1936, vol 259, p 101
-113   2427656 1934-08-06 2427677 1934-08-27 -21 SVO
-112   2427821 1935-01-18 2427826 1935-01-23 -5 SVO
-111   2427964 1935-06-10 2427976 1935-06-22 -12 SVO
-110   2428112 1935-11-05 2428125 1935-11-18 -13 SVO
-108   2428411 1936-08-30 2428424 1936-09-12 -13 SVO
-107   2428568 1937-02-03 2428574 1937-02-09 -6 SVO
-106   2428700 1937-06-15 2428723 1937-07-08 -23 SVO
-105   2428855 1937-11-17 2428872 1937-12-04 -17 SVO
-103   2429151 1938-09-09 2429171 1938-09-29 -20 SVO
-102   2429309 1939-02-14 2429321 1939-02-26 -12 SVO
-101   2429456 1939-07-11 2429470 1939-07-25 -14 SVO
-100   2429603 1939-12-05 2429620 1939-12-22 -17 SVO
-99   2429757 1940-05-07 2429769 1940-05-19 -12 SVO
-98   2429909 1940-10-06 2429919 1940-10-16 -10 SVO
-97   2430050 1941-02-24 2430068 1941-03-14 -18 SVO
-96   2430200 1941-07-24 2430217 1941-08-10 -17 SVO
-95   2430357 1941-12-28 2430367 1942-01-07 -10 SVO
-94   2430505 1942-05-25 2430516 1942-06-05 -11 SVO
-93   2430656 1942-10-23 2430666 1942-11-02 -10 SVO
-92   2430799 1943-03-15 2430815 1943-03-31 -16 SVO
-91   2430946 1943-08-09 2430965 1943-08-28 -19 SVO
-90   2431085 1943-12-26 2431114 1944-01-24 -29 SVO
-89   2431240 1944-05-29 2431263 1944-06-21 -23 SVO
-88   2431383 1944-10-19 2431413 1944-11-18 -30 SVO
-87   2431535 1945-03-20 2431562 1945-04-16 -27 SVO
-86   2431688 1945-08-20 2431712 1945-09-13 -24 SVO
-85   2431825 1946-01-04 2431861 1946-02-09 -36 SVO
-84   2431983 1946-06-11 2432011 1946-07-09 -28 SVO
-83   2432137 1946-11-12 2432160 1946-12-05 -23 SVO
-82   2432285 1947-04-09 2432310 1947-05-04 -25 PCopO, 1955, vol 167, p 1
-81   2432432 1947-09-03 2432459 1947-09-30 -27 PCopO, 1955, vol 167, p 1
-80   2432600 1948-02-18 2432608 1948-02-26 -8 PCopO, 1955, vol 167, p 1
-79   2432730 1948-06-27 2432758 1948-07-25 -28 SVO
-78   2432890 1948-12-04 2432907 1948-12-21 -17 PCopO, 1955, vol 167, p 1
-77   2433030 1949-04-23 2433057 1949-05-20 -27 SVO
-76   2433186 1949-09-26 2433206 1949-10-16 -20 SVO
-75   2433341 1950-02-28 2433356 1950-03-15 -15 PCopO, 1955, vol 167, p 1
-74   2433491 1950-07-28 2433505 1950-08-11 -14 SVO
-73   2433632 1950-12-16 2433655 1951-01-08 -23 PCopO, 1955, vol 167, p 1
-72   2433782 1951-05-15 2433804 1951-06-06 -22 PCopO, 1955, vol 167, p 1
-71   2433943 1951-10-23 2433953 1951-11-02 -10 PCopO, 1955, vol 167, p 1
-70   2434082 1952-03-10 2434103 1952-03-31 -21 PCopO, 1955, vol 167, p 1
-69   2434240 1952-08-15 2434252 1952-08-27 -12 SVO
-68   2434389 1953-01-11 2434402 1953-01-24 -13 PCopO, 1955, vol 167, p 1
-67   2434528 1953-05-30 2434551 1953-06-22 -23 PCopO, 1955, vol 167, p 1
-66   2434680 1953-10-29 2434701 1953-11-19 -21 PCopO, 1955, vol 167, p 1
-19   2441685 1973-01-02 2441725 1973-02-11 -40 SVO
-17   2441990 1973-11-03 2442023 1973-12-06 -33 SVO
-16   2442140 1974-04-02 2442173 1974-05-05 -33 SVO
-15   2442290 1974-08-30 2442322 1974-10-01 -32 SVO
-14   2442439 1975-01-26 2442472 1975-02-28 -33 SVO
-13   2442595 1975-07-01 2442621 1975-07-27 -26 SVO
-12   2442751 1975-12-04 2442771 1975-12-24 -20 SVO
-10   2443050 1976-09-28 2443070 1976-10-18 -20 SVO
-9   2443195 1977-02-20 2443219 1977-03-16 -24 SVO
-8   2443350 1977-07-25 2443368 1977-08-12 -18 SVO
-7   2443485 1977-12-07 2443518 1978-01-09 -33 SVO
-6   2443640 1978-05-11 2443667 1978-06-07 -27 SVO
-5   2443800 1978-10-18 2443817 1978-11-04 -17 SVO
-4   2443930 1979-02-25 2443966 1979-04-02 -36 SVO
-3   2444080 1979-07-25 2444116 1979-08-30 -36 SVO
-2   2444235 1979-12-27 2444265 1980-01-26 -30 SVO
-1   2444385 1980-05-25 2444415 1980-06-24 -30 SVO
0   2444540 1980-10-27 2444564 1980-11-20 -24 SVO
1   2444690 1981-03-26 2444713 1981-04-18 -23 SVO
2   2444835 1981-08-18 2444863 1981-09-15 -28 SVO
3   2444979 1982-01-09 2445012 1982-02-11 -33 SVO
4   2445135 1982-06-14 2445162 1982-07-11 -27 SVO
5 9.7 2445287 1982-11-13 2445311 1982-12-07 -24 SVO
6   2445435 1983-04-10 2445461 1983-05-06 -26 SVO
7 9.7 2445592 1983-09-14 2445610 1983-10-02 -18 SVO
8   2445735 1984-02-04 2445760 1984-02-29 -25 SVO
9   2445883 1984-07-01 2445909 1984-07-27 -26 SVO
10   2446035 1984-11-30 2446058 1984-12-23 -23 SVO
11   2446180 1985-04-24 2446208 1985-05-22 -28 SVO
12   2446333 1985-09-24 2446357 1985-10-18 -24 SVO
13   2446484 1986-02-22 2446507 1986-03-17 -23 SVO
14   2446630 1986-07-18 2446656 1986-08-13 -26 SVO
15 9.8 2446776 1986-12-11 2446806 1987-01-10 -30 SVO
17 9.9 2447084 1987-10-15 2447105 1987-11-05 -21 SVO
18   2447240 1988-03-19 2447254 1988-04-02 -14 SVO
19   2447390 1988-08-16 2447403 1988-08-29 -13 SVO
20   2447525 1988-12-29 2447553 1989-01-26 -28 SVO
22 10.1 2447847 1989-11-16 2447852 1989-11-21 -5 SVO
23 9.9 2447984 1990-04-02 2448001 1990-04-19 -17 SVO
24   2448130 1990-08-26 2448151 1990-09-16 -21 SVO
25   2448275 1991-01-18 2448300 1991-02-12 -25 SVO
26   2448425 1991-06-17 2448450 1991-07-12 -25 SVO
27   2448575 1991-11-14 2448599 1991-12-08 -24 SVO
28   2448730 1992-04-17 2448748 1992-05-05 -18 SVO
30   2449020 1993-02-01 2449047 1993-02-28 -27 SVO
31   2449170 1993-07-01 2449197 1993-07-28 -27 AFOEV
32   2449320 1993-11-28 2449346 1993-12-24 -26 SVO
36 10.1 2449934 1995-08-04 2449944 1995-08-14 -10 SVO
37   2450075 1995-12-23 2450093 1996-01-10 -18 AFOEV
38 9.9 2450214 1996-05-10 2450243 1996-06-08 -29 SVO
39 9.9 2450365 1996-10-08 2450392 1996-11-04 -27 SVO
40   2450519 1997-03-11 2450542 1997-04-03 -23 AFOEV
41 10.2 2450682 1997-08-21 2450691 1997-08-30 -9 SVO
42   2450830 1998-01-16 2450841 1998-01-27 -11 AFOEV
43 9.8 2450962 1998-05-28 2450990 1998-06-25 -28 SVO
44 9.8 2451112 1998-10-25 2451140 1998-11-22 -28 SVO
45   2451264 1999-03-26 2451289 1999-04-20 -25 AFOEV
46 9.9 2451429 1999-09-07 2451438 1999-09-16 -9 SVO
47 9.8 2451571 2000-01-27 2451588 2000-02-13 -17 SVO
48 9.8 2451719 2000-06-23 2451737 2000-07-11 -18 SVO
49 10.0 2451874 2000-11-25 2451887 2000-12-08 -13 SVO
50   2452040 2001-05-10 2452036 2001-05-06 4 AFOEV
51 9.8 2452182 2001-09-29 2452186 2001-10-03 -4 SVO
52 9.7 2452321 2002-02-15 2452335 2002-03-01 -14 SVO
53 10.3 2452480 2002-07-24 2452485 2002-07-29 -5 SVO
54 10.0 2452636 2002-12-27 2452634 2002-12-25 2 SVO
55 9.8 2452786 2003-05-26 2452783 2003-05-23 3 SVO
56 9.8 2452941 2003-10-28 2452933 2003-10-20 8 SVO
57 9.7 2453094 2004-03-29 2453082 2004-03-17 12 SVO
58   2453251 2004-09-02 2453232 2004-08-14 19 AFOEV
59 9.9 2453396 2005-01-25 2453381 2005-01-10 15 SVO
60 9.9 2453545 2005-06-23 2453531 2005-06-09 14 SVO
61 10.0 2453700 2005-11-25 2453680 2005-11-05 20 SVO
62 9.9 2453857 2006-05-01 2453830 2006-04-04 27 SVO
63 9.9 2453998 2006-09-19 2453979 2006-08-31 19 SVO
64 9.9 2454142 2007-02-10 2454128 2007-01-27 14 SVO
65 9.9 2454292 2007-07-10 2454278 2007-06-26 14 SVO
66 9.9 2454445 2007-12-10 2454427 2007-11-22 18 SVO
67 10.2 2454599 2008-05-12 2454577 2008-04-20 22 SVO
68 9.8 2454738 2008-09-28 2454726 2008-09-16 12 SVO
69 10.1 2454899 2009-03-08 2454876 2009-02-13 23 SVO
70 9.7 2455040 2009-07-27 2455025 2009-07-12 15 SVO
71 10.0 2455189 2009-12-23 2455175 2009-12-09 14 SVO
72 10.3 2455348 2010-05-31 2455324 2010-05-07 24 SVO
73 9.9 2455496 2010-10-26 2455473 2010-10-03 23 SVO
74 10.3 2455656 2011-04-04 2455623 2011-03-02 33 SVO
75 9.6 2455796 2011-08-22 2455772 2011-07-29 24 SVO
76 9.7 2455948 2012-01-21 2455922 2011-12-26 26 SVO
77 9.7 2456103 2012-06-24 2456071 2012-05-23 32 SVO
78 9.5 2456250 2012-11-18 2456221 2012-10-20 29 SVO
79 9.9 2456403 2013-04-20 2456370 2013-03-18 33 SVO
80 9.8 2456556 2013-09-20 2456519 2013-08-14 37 SVO
81 9.9 2456709 2014-02-20 2456669 2014-01-11 40 SVO
82 9.6 2456858 2014-07-19 2456818 2014-06-09 40 SVO
83 9.8 2457009 2014-12-17 2456968 2014-11-06 41 SVO
84   2457155 2015-05-12 2457117 2015-04-04 38 SVO
85 9.4 2457308 2015-10-12 2457267 2015-09-01 41 SVO
86 10.1 2457464 2016-03-16 2457416 2016-01-28 48 SVO
87 9.8 2457616 2016-08-15 2457566 2016-06-26 50 SVO
88 9.6 2457757 2017-01-03 2457715 2016-11-22 42 SVO
89 10.0 2457912 2017-06-07 2457864 2017-04-20 48 SVO
90 9.6 2458063 2017-11-05 2458014 2017-09-17 49 SVO
91   2458200 2018-03-22 2458163 2018-02-13 37 SVO
92 9.4 2458354 2018-08-23 2458313 2018-07-13 41 SVO
93 9.5 2458505 2019-01-21 2458462 2018-12-09 43 SVO
94 9.6 2458657 2019-06-22 2458612 2019-05-08 45 SVO
95 9.6 2458807 2019-11-19 2458761 2019-10-04 46 SVO
96 9.6 2458950 2020-04-10 2458911 2020-03-02 39 SVO
97 10.4 2459115 2020-09-22 2459060 2020-07-29 55 SVO
98 9.8 2459252 2021-02-06 2459209 2020-12-25 43 SVO
99 9.5 2459401 2021-07-05 2459359 2021-05-24 42 SVO
100 9.5 2459553 2021-12-04 2459508 2021-10-20 45 SVO
101 9.5 2459697 2022-04-27 2459658 2022-03-19 39 SVO
102 10.1 2459866 2022-10-13 2459807 2022-08-15 59 SVO


E Cycle number from the GCVS4 epoch.
Mag Magnitude at maximum.
O (JD) Julian date at observed time for maximum.
O (Dat) Same as above, expressed as date.
C (JD) Julian date at calculated time for maximum with elements from GCVS4.
C (Dat) Same as above, expressed as date.
O-C O (JD) minus C (JD).
Sorce Datasource for the maxima.