Maxima for Z Cas
Period: 492.3, Epoch: 2457305
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-92   2411585 1890-08-05 2412013 1891-10-07 -428 SVO
-91   2412090 1891-12-23 2412506 1893-02-11 -416 SVO
-89   2413080 1894-09-08 2413490 1895-10-23 -410 SVO
-87   2414110 1897-07-04 2414475 1898-07-04 -365 SVO
-86   2414620 1898-11-26 2414967 1899-11-08 -347 SVO
-85 9.6 2415128 1900-04-18 2415460 1901-03-16 -332 SVO
-84   2415615 1901-08-18 2415952 1902-07-21 -337 GuL, 1920, 1.2
-83   2416111 1902-12-27 2416444 1903-11-25 -333 SVO
-82   2416582 1904-04-11 2416936 1905-03-31 -354 GuL, 1920, 1.2
-81 9.5 2417130 1905-10-11 2417429 1906-08-06 -299 SVO
-80 8.6 2417644 1907-03-09 2417921 1907-12-11 -277 AAVSO
-79   2418121 1908-06-28 2418413 1909-04-16 -292 AAVSO
-78   2418610 1909-10-30 2418906 1910-08-22 -296 SVO
-77 10.0 2419100 1911-03-04 2419398 1911-12-27 -298 AAVSO
-76 10.0 2419593 1912-07-09 2419890 1913-05-02 -297 SVO
-75 9.8 2420097 1913-11-25 2420383 1914-09-07 -286 SVO
-73 9.6 2421050 1916-07-05 2421367 1917-05-18 -317 AAVSO
-72 9.4 2421552 1917-11-19 2421859 1918-09-22 -307 AAVSO
-71 9.5 2422028 1919-03-10 2422352 1920-01-28 -324 AAVSO
-70   2422530 1920-07-24 2422844 1921-06-03 -314 SVO
-69 10.4 2423029 1921-12-05 2423336 1922-10-08 -307 SVO
-68 9.8 2423518 1923-04-08 2423829 1924-02-13 -311 SVO
-67 9.7 2423998 1924-07-31 2424321 1925-06-19 -323 SVO
-66 10.5 2424497 1925-12-12 2424813 1926-10-24 -316 SVO
-65   2424975 1927-04-04 2425306 1928-02-29 -331 AAVSO
-64 9.8 2425491 1928-09-01 2425798 1929-07-05 -307 AAVSO
-63 10.2 2425971 1929-12-25 2426290 1930-11-09 -319 SVO
-62 10.6 2426480 1931-05-18 2426782 1932-03-15 -302 SVO
-61 9.8 2426972 1932-09-21 2427275 1933-07-21 -303 SVO
-60 10.5 2427467 1934-01-29 2427767 1934-11-25 -300 SVO
-59 9.9 2427968 1935-06-14 2428259 1936-03-31 -291 AAVSO
-58 10.4 2428469 1936-10-27 2428752 1937-08-06 -283 SVO
-57 9.9 2428969 1938-03-11 2429244 1938-12-11 -275 SVO
-56 10.8 2429477 1939-08-01 2429736 1940-04-16 -259 AAVSO
-55 10.7 2429975 1940-12-11 2430229 1941-08-22 -254 SVO
-54 10.3 2430494 1942-05-14 2430721 1942-12-27 -227 SVO
-53 10.1 2430982 1943-09-14 2431213 1944-05-02 -231 SVO
-52 10.9 2431494 1945-02-07 2431705 1945-09-06 -211 AAVSO
-51 9.6 2431996 1946-06-24 2432198 1947-01-12 -202 AAVSO
-50 10.5 2432482 1947-10-23 2432690 1948-05-18 -208 SVO
-49 9.5 2432983 1949-03-07 2433182 1949-09-22 -199 AAVSO
-48 10.0 2433482 1950-07-19 2433675 1951-01-28 -193 AAVSO
-47 10.3 2433978 1951-11-27 2434167 1952-06-03 -189 SVO
-46 10.4 2434474 1953-04-06 2434659 1953-10-08 -185 SVO
-45 10.1 2434983 1954-08-28 2435152 1955-02-13 -169 SVO
-44 10.6 2435475 1956-01-02 2435644 1956-06-19 -169 SVO
-43 9.6 2435973 1957-05-14 2436136 1957-10-24 -163 AAVSO
-42 9.8 2436466 1958-09-19 2436628 1959-02-28 -162 SVO
-41 10.3 2436969 1960-02-04 2437121 1960-07-05 -152 SVO
-40 9.6 2437452 1961-06-01 2437613 1961-11-09 -161 SVO
-39 10.9 2437955 1962-10-17 2438105 1963-03-16 -150 SVO
-38 10.5 2438465 1964-03-10 2438598 1964-07-21 -133 SVO
-37 10.3 2438921 1965-06-09 2439090 1965-11-25 -169 SVO
-36 10.6 2439438 1966-11-08 2439582 1967-04-01 -144 SVO
-35 10.7 2439938 1968-03-22 2440075 1968-08-06 -137 SVO
-34 11.1 2440433 1969-07-30 2440567 1969-12-11 -134 AAVSO
-33 11.1 2440914 1970-11-23 2441059 1971-04-17 -145 SVO
-32 10.6 2441422 1972-04-14 2441551 1972-08-21 -129 SVO
-31 11.0 2441907 1973-08-12 2442044 1973-12-27 -137 AAVSO
-30 11.2 2442382 1974-11-30 2442536 1975-05-03 -154 SVO
-29 10.7 2442885 1976-04-16 2443028 1976-09-06 -143 SVO
-28 10.1 2443367 1977-08-11 2443521 1978-01-12 -154 SVO
-27 10.7 2443855 1978-12-12 2444013 1979-05-19 -158 SVO
-26 10.2 2444343 1980-04-13 2444505 1980-09-22 -162 SVO
-25 10.9 2444847 1981-08-30 2444998 1982-01-28 -151 SVO
-24 10.5 2445361 1983-01-26 2445490 1983-06-04 -129 SVO
-23 9.7 2445842 1984-05-21 2445982 1984-10-08 -140 SVO
-22 10.6 2446351 1985-10-12 2446474 1986-02-12 -123 SVO
-21 10.0 2446874 1987-03-19 2446967 1987-06-20 -93 SVO
-20 10.2 2447368 1988-07-25 2447459 1988-10-24 -91 SVO
-19 10.6 2447890 1989-12-29 2447951 1990-02-28 -61 SVO
-18 10.1 2448389 1991-05-12 2448444 1991-07-06 -55 SVO
-17 10.3 2448895 1992-09-29 2448936 1992-11-09 -41 SVO
-16 9.5 2449399 1994-02-15 2449428 1994-03-16 -29 SVO
-15 10.3 2449901 1995-07-02 2449921 1995-07-22 -20 SVO
-14 10.2 2450413 1996-11-25 2450413 1996-11-25 0 SVO
-13 10.0 2450915 1998-04-11 2450905 1998-04-01 10 SVO
-12 9.8 2451412 1999-08-21 2451397 1999-08-06 15 SVO
-11 9.6 2451904 2000-12-25 2451890 2000-12-11 14 SVO
-10 10.3 2452399 2002-05-04 2452382 2002-04-17 17 SVO
-9 9.8 2452891 2003-09-08 2452874 2003-08-22 17 SVO
-8 10.6 2453386 2005-01-15 2453367 2004-12-27 19 SVO
-7 9.5 2453874 2006-05-18 2453859 2006-05-03 15 SVO
-6 11.2 2454362 2007-09-18 2454351 2007-09-07 11 SVO
-5 10.4 2454848 2009-01-16 2454844 2009-01-12 4 SVO
-4 10.1 2455339 2010-05-22 2455336 2010-05-19 3 SVO
-3 10.2 2455841 2011-10-06 2455828 2011-09-23 13 SVO
-2 10.5 2456332 2013-02-08 2456320 2013-01-27 12 SVO
-1 10.1 2456820 2014-06-11 2456813 2014-06-04 7 SVO
0 10.1 2457317 2015-10-21 2457305 2015-10-09 12 SVO
1 10.1 2457811 2017-02-26 2457797 2017-02-12 14 SVO
2 9.8 2458301 2018-07-01 2458290 2018-06-20 11 SVO
3 9.3 2458797 2019-11-09 2458782 2019-10-25 15 SVO
4 10.7 2459285 2021-03-11 2459274 2021-02-28 11 SVO
5 10.1 2459786 2022-07-25 2459767 2022-07-06 19 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.