Maxima for S Cep
Period: 486.84, Epoch: 2443787
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-90   2399971 1858-10-18 2399971 1858-10-18 0 GuL, 1920, 1.2
-88   2400934 1861-06-07 2400945 1861-06-18 -11 VeBam, 1931, vol 3, p 1
-87   2401440 1862-10-26 2401432 1862-10-18 8 VeBam, 1931, vol 3, p 1
-86   2401894 1864-01-23 2401919 1864-02-17 -25 VeBam, 1931, vol 3, p 1
-82   2403868 1869-06-19 2403866 1869-06-17 2 VeBam, 1931, vol 3, p 1
-81   2404340 1870-10-04 2404353 1870-10-17 -13 VeBam, 1931, vol 3, p 1
-80   2404842 1872-02-18 2404840 1872-02-16 2 VeBam, 1931, vol 3, p 1
-76   2406789 1877-06-18 2406787 1877-06-16 2 GuL, 1920, 1.2, AnHar, 1937, vol 105, p 459
-74   2407794 1880-03-19 2407761 1880-02-15 33 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-73   2408265 1881-07-03 2408248 1881-06-16 17 GuL, 1920, 1.2
-72   2408760 1882-11-10 2408735 1882-10-16 25 GuL, 1920, 1.2
-71   2409217 1884-02-10 2409221 1884-02-14 -4 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-70   2409711 1885-06-18 2409708 1885-06-15 3 GuL, 1920, 1.2
-69   2410174 1886-09-24 2410195 1886-10-15 -21 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-68   2410648 1888-01-11 2410682 1888-02-14 -34 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-67   2411114 1889-04-21 2411169 1889-06-15 -55 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-66 9.9 2411628 1890-09-17 2411656 1890-10-15 -28 SVO
-65 10.9 2412111 1892-01-13 2412142 1892-02-13 -31 SVO
-64 9.6 2412610 1893-05-26 2412629 1893-06-14 -19 SVO
-63 9.0 2413080 1894-09-08 2413116 1894-10-14 -36 SVO
-62 8.9 2413570 1896-01-11 2413603 1896-02-13 -33 SVO
-61 8.0 2414060 1897-05-15 2414090 1897-06-14 -30 SVO
-60 8.9 2414605 1898-11-11 2414577 1898-10-14 28 SVO
-59   2415071 1900-02-20 2415063 1900-02-12 8 AnHar, 1909, vol 55, p 95
-58   2415555 1901-06-19 2415550 1901-06-14 5 AnHar, 1909, vol 55, p 95
-57   2416037 1902-10-14 2416037 1902-10-14 0 AnHar, 1909, vol 55, p 95
-56   2416526 1904-02-15 2416524 1904-02-13 2 AnHar, 1909, vol 55, p 95
-55   2417012 1905-06-15 2417011 1905-06-14 1 AAVSO
-54 8.4 2417532 1906-11-17 2417498 1906-10-14 34 SVO
-53 7.3 2418055 1908-04-23 2417984 1908-02-12 71 SVO
-52 8.5 2418532 1909-08-13 2418471 1909-06-13 61 SVO
-51 7.9 2419003 1910-11-27 2418958 1910-10-13 45 AAVSO
-50 8.6 2419485 1912-03-23 2419445 1912-02-12 40 SVO
-49 8.2 2419989 1913-08-09 2419932 1913-06-13 57 SVO
-48 9.0 2420446 1914-11-09 2420419 1914-10-13 27 SVO
-47 9.2 2420942 1916-03-19 2420906 1916-02-12 36 SVO
-46 9.9 2421453 1917-08-12 2421392 1917-06-12 61 SVO
-45 9.4 2421926 1918-11-28 2421879 1918-10-12 47 SVO
-44 8.2 2422385 1920-03-01 2422366 1920-02-11 19 AAVSO
-43 8.3 2422879 1921-07-08 2422853 1921-06-12 26 SVO
-42 7.8 2423342 1922-10-14 2423340 1922-10-12 2 SVO
-41 8.2 2423811 1924-01-26 2423827 1924-02-11 -16 SVO
-40 8.0 2424302 1925-05-31 2424313 1925-06-11 -11 SVO
-39 7.9 2424752 1926-08-24 2424800 1926-10-11 -48 SVO
-38 8.8 2425276 1928-01-30 2425287 1928-02-10 -11 AAVSO
-37 9.0 2425733 1929-05-01 2425774 1929-06-11 -41 SVO
-36 8.9 2426203 1930-08-14 2426261 1930-10-11 -58 SVO
-35 9.1 2426709 1932-01-02 2426748 1932-02-10 -39 SVO
-34 8.4 2427167 1933-04-04 2427234 1933-06-10 -67 SVO
-33 8.7 2427666 1934-08-16 2427721 1934-10-10 -55 SVO
-32 8.3 2428168 1935-12-31 2428208 1936-02-09 -40 SVO
-31 8.4 2428657 1937-05-03 2428695 1937-06-10 -38 SVO
-30 7.8 2429160 1938-09-18 2429182 1938-10-10 -22 SVO
-29 8.7 2429635 1940-01-06 2429669 1940-02-09 -34 SVO
-28 8.9 2430183 1941-07-07 2430155 1941-06-09 28 SVO
-27 8.0 2430642 1942-10-09 2430642 1942-10-09 0 SVO
-26 8.4 2431129 1944-02-08 2431129 1944-02-08 0 SVO
-25 8.1 2431658 1945-07-21 2431616 1945-06-09 42 SVO
-24 7.8 2432121 1946-10-27 2432103 1946-10-09 18 SVO
-23 7.6 2432610 1948-02-28 2432590 1948-02-08 20 SVO
-22 7.8 2433106 1949-07-08 2433077 1949-06-09 29 SVO
-21 8.3 2433605 1950-11-19 2433563 1950-10-08 42 SVO
-20 8.3 2434095 1952-03-23 2434050 1952-02-07 45 SVO
-19 8.5 2434578 1953-07-19 2434537 1953-06-08 41 SVO
-18 8.7 2435054 1954-11-07 2435024 1954-10-08 30 SVO
-17 9.5 2435550 1956-03-17 2435511 1956-02-07 39 SVO
-16 9.2 2436038 1957-07-18 2435998 1957-06-08 40 SVO
-15 9.8 2436523 1958-11-15 2436484 1958-10-07 39 SVO
-14 9.8 2437016 1960-03-22 2436971 1960-02-06 45 SVO
-13 9.4 2437487 1961-07-06 2437458 1961-06-07 29 SVO
-12 9.0 2437951 1962-10-13 2437945 1962-10-07 6 SVO
-11 8.7 2438434 1964-02-08 2438432 1964-02-06 2 SVO
-10 9.0 2438923 1965-06-11 2438919 1965-06-07 4 SVO
-9 8.7 2439405 1966-10-06 2439405 1966-10-06 0 SVO
-8 8.2 2439890 1968-02-03 2439892 1968-02-05 -2 SVO
-7 8.3 2440370 1969-05-28 2440379 1969-06-06 -9 SVO
-6 8.3 2440891 1970-10-31 2440866 1970-10-06 25 SVO
-5 8.0 2441364 1972-02-16 2441353 1972-02-05 11 SVO
-4 8.4 2441828 1973-05-25 2441840 1973-06-06 -12 SVO
-3 8.7 2442338 1974-10-17 2442326 1974-10-05 12 SVO
-2 8.1 2442810 1976-02-01 2442813 1976-02-04 -3 SVO
-1 8.4 2443299 1977-06-04 2443300 1977-06-05 -1 SVO
0 8.2 2443794 1978-10-12 2443787 1978-10-05 7 SVO
1 7.8 2444278 1980-02-08 2444274 1980-02-04 4 SVO
2 8.0 2444755 1981-05-30 2444761 1981-06-05 -6 SVO
3 8.5 2445260 1982-10-17 2445248 1982-10-05 12 SVO
4 7.8 2445754 1984-02-23 2445734 1984-02-03 20 SVO
5 8.4 2446223 1985-06-06 2446221 1985-06-04 2 SVO
6 8.7 2446735 1986-10-31 2446708 1986-10-04 27 SVO
7 8.0 2447209 1988-02-17 2447195 1988-02-03 14 SVO
8 8.1 2447686 1989-06-08 2447682 1989-06-04 4 SVO
9 7.8 2448166 1990-10-01 2448169 1990-10-04 -3 SVO
10 8.1 2448657 1992-02-04 2448655 1992-02-02 2 SVO
11 8.0 2449137 1993-05-29 2449142 1993-06-03 -5 SVO
12 8.4 2449621 1994-09-25 2449629 1994-10-03 -8 SVO
13 8.6 2450116 1996-02-02 2450116 1996-02-02 0 SVO
14 8.6 2450586 1997-05-17 2450603 1997-06-03 -17 SVO
15 8.2 2451076 1998-09-19 2451090 1998-10-03 -14 SVO
16 7.9 2451533 1999-12-20 2451576 2000-02-01 -43 SVO
17 8.3 2452022 2001-04-22 2452063 2001-06-02 -41 SVO
18 8.2 2452499 2002-08-12 2452550 2002-10-02 -51 SVO
19 8.0 2452986 2003-12-12 2453037 2004-02-01 -51 SVO
20 7.9 2453458 2005-03-28 2453524 2005-06-02 -66 SVO
21 8.3 2453937 2006-07-20 2454011 2006-10-02 -74 SVO
22 8.1 2454429 2007-11-24 2454497 2008-01-31 -68 SVO
23 7.4 2454880 2009-02-17 2454984 2009-06-01 -104 SVO
24 8.4 2455393 2010-07-15 2455471 2010-10-01 -78 SVO
25 7.7 2455873 2011-11-07 2455958 2012-01-31 -85 SVO
26 8.4 2456347 2013-02-23 2456445 2013-06-01 -98 SVO
27 8.0 2456845 2014-07-06 2456932 2014-10-01 -87 SVO
28 7.8 2457351 2015-11-24 2457419 2016-01-31 -68 SVO
29 7.6 2457806 2017-02-21 2457905 2017-05-31 -99 SVO
30 6.8 2458286 2018-06-16 2458392 2018-09-30 -106 SVO
31 7.4 2458778 2019-10-21 2458879 2020-01-30 -101 SVO
32 7.4 2459257 2021-02-11 2459366 2021-05-31 -109 SVO
33 7.8 2459730 2022-05-30 2459853 2022-09-30 -123 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.