Maxima for Y Cas
Period: 413.48, Epoch: 2444506
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-77   2412720 1893-09-13 2412668 1893-07-23 52 SVO
-76   2413120 1894-10-18 2413082 1894-09-10 38 SVO
-74   2413933 1897-01-08 2413908 1896-12-14 25 AnHar, 1909, vol 55, p 95
-73   2414360 1898-03-11 2414322 1898-02-01 38 AnHar, 1909, vol 55, p 95
-72 10.0 2414751 1899-04-06 2414735 1899-03-21 16 SVO
-71 10.5 2415175 1900-06-04 2415149 1900-05-09 26 SVO
-70   2415590 1901-07-24 2415562 1901-06-26 28 AnHar, 1909, vol 55, p 95
-69   2416000 1902-09-07 2415976 1902-08-14 24 AnHar, 1909, vol 55, p 95
-68   2416398 1903-10-10 2416389 1903-10-01 9 AnHar, 1909, vol 55, p 95
-67 9.4 2416793 1904-11-08 2416803 1904-11-18 -10 SVO
-66 10.3 2417220 1906-01-09 2417216 1906-01-05 4 AAVSO
-65 8.7 2417622 1907-02-15 2417630 1907-02-23 -8 AAVSO
-64   2418072 1908-05-10 2418043 1908-04-11 29 AAVSO
-63   2418462 1909-06-04 2418457 1909-05-30 5 AAVSO
-62   2418888 1910-08-04 2418870 1910-07-17 18 AAVSO
-61   2419286 1911-09-06 2419284 1911-09-04 2 AAVSO
-60 9.6 2419700 1912-10-24 2419697 1912-10-21 3 SVO
-59 9.7 2420125 1913-12-23 2420111 1913-12-09 14 SVO
-58   2420563 1915-03-06 2420524 1915-01-26 39 GuL, 1920, 1.2
-57   2420998 1916-05-14 2420938 1916-03-15 60 AAVSO
-56 9.2 2421418 1917-07-08 2421351 1917-05-02 67 AAVSO
-55 10.4 2421815 1918-08-09 2421765 1918-06-20 50 AAVSO
-54 9.5 2422242 1919-10-10 2422178 1919-08-07 64 SVO
-53 9.9 2422665 1920-12-06 2422592 1920-09-24 73 SVO
-52 9.9 2423094 1922-02-08 2423005 1921-11-11 89 SVO
-51 9.5 2423509 1923-03-30 2423419 1922-12-30 90 SVO
-50   2423933 1924-05-27 2423832 1924-02-16 101 AAVSO
-49 10.0 2424354 1925-07-22 2424245 1925-04-04 109 AAVSO
-48 10.0 2424769 1926-09-10 2424659 1926-05-23 110 AAVSO
-47 10.2 2425189 1927-11-04 2425072 1927-07-10 117 AAVSO
-46 10.1 2425581 1928-11-30 2425486 1928-08-27 95 SVO
-45 9.8 2425988 1930-01-11 2425899 1929-10-14 89 SVO
-44 10.3 2426407 1931-03-06 2426313 1930-12-02 94 SVO
-43 9.5 2426802 1932-04-04 2426726 1932-01-19 76 SVO
-42 10.2 2427218 1933-05-25 2427140 1933-03-08 78 SVO
-41 10.1 2427614 1934-06-25 2427553 1934-04-25 61 AAVSO
-40 9.8 2428030 1935-08-15 2427967 1935-06-13 63 SVO
-39 10.6 2428446 1936-10-04 2428380 1936-07-30 66 SVO
-38 10.0 2428857 1937-11-19 2428794 1937-09-17 63 SVO
-37 9.9 2429260 1938-12-27 2429207 1938-11-04 53 SVO
-36 9.4 2429668 1940-02-08 2429621 1939-12-23 47 AAVSO
-35 10.2 2430088 1941-04-03 2430034 1941-02-08 54 AAVSO
-34 9.6 2430491 1942-05-11 2430448 1942-03-29 43 SVO
-33 10.1 2430898 1943-06-22 2430861 1943-05-16 37 AAVSO
-32 10.0 2431310 1944-08-07 2431275 1944-07-03 35 AAVSO
-31 9.9 2431724 1945-09-25 2431688 1945-08-20 36 SVO
-30 10.0 2432143 1946-11-18 2432102 1946-10-08 41 SVO
-29 9.7 2432556 1948-01-05 2432515 1947-11-25 41 SVO
-28 10.7 2432964 1949-02-16 2432929 1949-01-12 35 SVO
-27   2433379 1950-04-07 2433342 1950-03-01 37 AAVSO
-26 9.7 2433796 1951-05-29 2433756 1951-04-19 40 AAVSO
-25 10.8 2434213 1952-07-19 2434169 1952-06-05 44 AAVSO
-24 10.2 2434619 1953-08-29 2434582 1953-07-23 37 SVO
-23 10.6 2435033 1954-10-17 2434996 1954-09-10 37 SVO
-22 9.7 2435438 1955-11-26 2435409 1955-10-28 29 SVO
-21 10.1 2435852 1957-01-13 2435823 1956-12-15 29 SVO
-20 10.2 2436272 1958-03-09 2436236 1958-02-01 36 SVO
-19 9.9 2436694 1959-05-05 2436650 1959-03-22 44 SVO
-18 10.0 2437094 1960-06-08 2437063 1960-05-08 31 AAVSO
-17 10.4 2437507 1961-07-26 2437477 1961-06-26 30 AAVSO
-16 9.7 2437939 1962-10-01 2437890 1962-08-13 49 SVO
-15 9.6 2438345 1963-11-11 2438304 1963-10-01 41 SVO
-14 9.9 2438775 1965-01-14 2438717 1964-11-17 58 SVO
-13 10.4 2439188 1966-03-03 2439131 1966-01-05 57 SVO
-12 10.2 2439605 1967-04-24 2439544 1967-02-22 61 SVO
-11 10.3 2440024 1968-06-16 2439958 1968-04-11 66 SVO
-10 10.0 2440430 1969-07-27 2440371 1969-05-29 59 SVO
-9 9.9 2440834 1970-09-04 2440785 1970-07-17 49 SVO
-8 9.6 2441255 1971-10-30 2441198 1971-09-03 57 SVO
-7 10.4 2441663 1972-12-11 2441612 1972-10-21 51 SVO
-6 10.1 2442070 1974-01-22 2442025 1973-12-08 45 SVO
-5 10.7 2442475 1975-03-03 2442439 1975-01-26 36 SVO
-4 10.2 2442891 1976-04-22 2442852 1976-03-14 39 SVO
-3 9.5 2443274 1977-05-10 2443266 1977-05-02 8 SVO
-2 10.0 2443690 1978-06-30 2443679 1978-06-19 11 SVO
-1 9.6 2444090 1979-08-04 2444093 1979-08-07 -3 SVO
0 10.2 2444505 1980-09-22 2444506 1980-09-23 -1 SVO
1 10.3 2444918 1981-11-09 2444919 1981-11-10 -1 SVO
2 10.1 2445330 1982-12-26 2445333 1982-12-29 -3 SVO
3 10.1 2445743 1984-02-12 2445746 1984-02-15 -3 SVO
4 10.5 2446140 1985-03-15 2446160 1985-04-04 -20 SVO
5 10.5 2446562 1986-05-11 2446573 1986-05-22 -11 SVO
6 9.9 2446963 1987-06-16 2446987 1987-07-10 -24 SVO
7 9.9 2447375 1988-08-01 2447400 1988-08-26 -25 SVO
8 10.8 2447781 1989-09-11 2447814 1989-10-14 -33 SVO
9 10.1 2448190 1990-10-25 2448227 1990-12-01 -37 SVO
10 10.5 2448598 1991-12-07 2448641 1992-01-19 -43 SVO
11 10.1 2449020 1993-02-01 2449054 1993-03-07 -34 SVO
12 10.0 2449438 1994-03-26 2449468 1994-04-25 -30 SVO
13 10.5 2449869 1995-05-31 2449881 1995-06-12 -12 SVO
14 10.0 2450292 1996-07-27 2450295 1996-07-30 -3 SVO
15 10.6 2450713 1997-09-21 2450708 1997-09-16 5 SVO
16 10.0 2451127 1998-11-09 2451122 1998-11-04 5 SVO
17 9.8 2451528 1999-12-15 2451535 1999-12-22 -7 SVO
18 10.3 2451955 2001-02-14 2451949 2001-02-08 6 SVO
19 10.6 2452379 2002-04-14 2452362 2002-03-28 17 SVO
20 10.3 2452807 2003-06-16 2452776 2003-05-16 31 SVO
21 9.9 2453220 2004-08-02 2453189 2004-07-02 31 SVO
22 10.6 2453637 2005-09-23 2453603 2005-08-20 34 SVO
23 10.4 2454060 2006-11-20 2454016 2006-10-07 44 SVO
24 9.6 2454472 2008-01-06 2454430 2007-11-25 42 SVO
25 10.4 2454889 2009-02-26 2454843 2009-01-11 46 SVO
26 10.0 2455301 2010-04-14 2455256 2010-02-28 45 SVO
27 9.8 2455712 2011-05-30 2455670 2011-04-18 42 SVO
28 10.0 2456133 2012-07-24 2456083 2012-06-04 50 SVO
29 10.5 2456556 2013-09-20 2456497 2013-07-23 59 SVO
30 10.3 2456964 2014-11-02 2456910 2014-09-09 54 SVO
31 9.8 2457378 2015-12-21 2457324 2015-10-28 54 SVO
32 10.0 2457789 2017-02-04 2457737 2016-12-14 52 SVO
33 10.1 2458209 2018-03-31 2458151 2018-02-01 58 SVO
34 10.1 2458627 2019-05-23 2458564 2019-03-21 63 SVO
35 9.9 2459046 2020-07-15 2458978 2020-05-08 68 SVO
36 9.7 2459454 2021-08-27 2459391 2021-06-25 63 SVO
37 10.1 2459866 2022-10-13 2459805 2022-08-13 61 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.