Maxima for Z Cap
Period: 181.48, Epoch: 2442017
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-166   2411875 1891-05-22 2411891 1891-06-07 -16 SVO
-160   2412970 1894-05-21 2412980 1894-05-31 -10 SVO
-159   2413150 1894-11-17 2413162 1894-11-29 -12 SVO
-158   2413325 1895-05-11 2413343 1895-05-29 -18 SVO
-157   2413526 1895-11-28 2413525 1895-11-27 1 AnHar, 1909, vol 55, p 95
-156   2413695 1896-05-15 2413706 1896-05-26 -11 SVO
-155   2413881 1896-11-17 2413888 1896-11-24 -7 AnHar, 1909, vol 55, p 95
-154   2414060 1897-05-15 2414069 1897-05-24 -9 SVO
-153   2414230 1897-11-01 2414251 1897-11-22 -21 SVO
-151   2414586 1898-10-23 2414614 1898-11-20 -28 AnHar, 1909, vol 55, p 95
-149   2414952 1899-10-24 2414976 1899-11-17 -24 AnHar, 1909, vol 55, p 95
-147   2415308 1900-10-15 2415339 1900-11-15 -31 AnHar, 1909, vol 55, p 95
-145   2415660 1901-10-02 2415702 1901-11-13 -42 SVO
-143   2416020 1902-09-27 2416065 1902-11-11 -45 SVO
-141   2416390 1903-10-02 2416428 1903-11-09 -38 SVO
-139   2416742 1904-09-18 2416791 1904-11-06 -49 SVO
-137   2417113 1905-09-24 2417154 1905-11-04 -41 AAVSO
-135   2417464 1906-09-10 2417517 1906-11-02 -53 AAVSO
-133   2417825 1907-09-06 2417880 1907-10-31 -55 SVO
-131   2418189 1908-09-04 2418243 1908-10-28 -54 SVO
-129 9.4 2418548 1909-08-29 2418606 1909-10-26 -58 AAVSO
-127   2418917 1910-09-02 2418969 1910-10-24 -52 AAVSO
-125   2419281 1911-09-01 2419332 1911-10-22 -51 SVO
-123   2419645 1912-08-30 2419695 1912-10-19 -50 SVO
-121   2420007 1913-08-27 2420058 1913-10-17 -51 AAVSO
-119   2420376 1914-08-31 2420421 1914-10-15 -45 SVO
-117   2420741 1915-08-31 2420784 1915-10-13 -43 AAVSO
-115   2421105 1916-08-29 2421147 1916-10-10 -42 SVO
-113   2421465 1917-08-24 2421510 1917-10-08 -45 AAVSO
-111   2421840 1918-09-03 2421873 1918-10-06 -33 SVO
-109   2422195 1919-08-24 2422236 1919-10-04 -41 SVO
-107   2422569 1920-09-01 2422599 1920-10-01 -30 SVO
-105 9.8 2422937 1921-09-04 2422962 1921-09-29 -25 AAVSO
-103 9.8 2423318 1922-09-20 2423325 1922-09-27 -7 AAVSO
-102   2423483 1923-03-04 2423506 1923-03-27 -23 AAVSO
-101 9.0 2423659 1923-08-27 2423688 1923-09-25 -29 AAVSO
-99 10.6 2424032 1924-09-03 2424050 1924-09-21 -18 AAVSO
-97 9.8 2424391 1925-08-28 2424413 1925-09-19 -22 AAVSO
-96   2424577 1926-03-02 2424595 1926-03-20 -18 AAVSO
-95 9.4 2424763 1926-09-04 2424776 1926-09-17 -13 AAVSO
-93 10.3 2425119 1927-08-26 2425139 1927-09-15 -20 AAVSO
-92   2425297 1928-02-20 2425321 1928-03-15 -24 AAVSO
-91 8.9 2425475 1928-08-16 2425502 1928-09-12 -27 AAVSO
-90   2425661 1929-02-18 2425684 1929-03-13 -23 AAVSO
-89 9.2 2425845 1929-08-21 2425865 1929-09-10 -20 AAVSO
-88   2426029 1930-02-21 2426047 1930-03-11 -18 AAVSO
-87 9.6 2426211 1930-08-22 2426228 1930-09-08 -17 AAVSO
-85   2426571 1931-08-17 2426591 1931-09-06 -20 SVO
-84   2426759 1932-02-21 2426773 1932-03-06 -14 AAVSO
-83 10.0 2426954 1932-09-03 2426954 1932-09-03 0 AAVSO
-82   2427133 1933-03-01 2427136 1933-03-04 -3 AAVSO
-81 9.0 2427304 1933-08-19 2427317 1933-09-01 -13 SVO
-80   2427491 1934-02-22 2427499 1934-03-02 -8 AAVSO
-79 9.3 2427675 1934-08-25 2427680 1934-08-30 -5 SVO
-78   2427862 1935-02-28 2427862 1935-02-28 0 AAVSO
-77 10.0 2428047 1935-09-01 2428043 1935-08-28 4 AAVSO
-76   2428246 1936-03-18 2428225 1936-02-26 21 AAVSO
-75 9.4 2428414 1936-09-02 2428406 1936-08-25 8 AAVSO
-73 9.8 2428777 1937-08-31 2428769 1937-08-23 8 AAVSO
-72   2428961 1938-03-03 2428950 1938-02-20 11 AAVSO
-71 10.3 2429146 1938-09-04 2429132 1938-08-21 14 AAVSO
-70   2429325 1939-03-02 2429313 1939-02-18 12 AAVSO
-69 9.6 2429503 1939-08-27 2429495 1939-08-19 8 SVO
-68   2429692 1940-03-03 2429676 1940-02-16 16 AAVSO
-67 9.6 2429869 1940-08-27 2429858 1940-08-16 11 SVO
-65 9.0 2430228 1941-08-21 2430221 1941-08-14 7 AAVSO
-64   2430401 1942-02-10 2430402 1942-02-11 -1 AAVSO
-63   2430589 1942-08-17 2430584 1942-08-12 5 SVO
-61   2430954 1943-08-17 2430947 1943-08-10 7 SVO
-59 9.5 2431309 1944-08-06 2431310 1944-08-07 -1 AAVSO
-57 9.4 2431673 1945-08-05 2431673 1945-08-05 0 AAVSO
-55 9.5 2432035 1946-08-02 2432036 1946-08-03 -1 AAVSO
-53 10.0 2432405 1947-08-07 2432399 1947-08-01 6 AAVSO
-51 9.0 2432767 1948-08-03 2432762 1948-07-29 5 AAVSO
-50 8.6 2432949 1949-02-01 2432943 1949-01-26 6 AAVSO
-49 9.5 2433141 1949-08-12 2433124 1949-07-26 17 SVO
-48   2433326 1950-02-13 2433306 1950-01-24 20 AAVSO
-47 9.2 2433503 1950-08-09 2433487 1950-07-24 16 SVO
-46   2433686 1951-02-08 2433669 1951-01-22 17 AAVSO
-45 9.7 2433863 1951-08-04 2433850 1951-07-22 13 SVO
-44   2434037 1952-01-25 2434032 1952-01-20 5 AAVSO
-43 9.0 2434211 1952-07-17 2434213 1952-07-19 -2 SVO
-42   2434404 1953-01-26 2434395 1953-01-17 9 AAVSO
-41 9.3 2434588 1953-07-29 2434576 1953-07-17 12 SVO
-40   2434767 1954-01-24 2434758 1954-01-15 9 AAVSO
-39 10.3 2434954 1954-07-30 2434939 1954-07-15 15 SVO
-38   2435129 1955-01-21 2435121 1955-01-13 8 AAVSO
-37 9.1 2435310 1955-07-21 2435302 1955-07-13 8 SVO
-36   2435495 1956-01-22 2435484 1956-01-11 11 AAVSO
-35 9.3 2435674 1956-07-19 2435665 1956-07-10 9 SVO
-34   2435857 1957-01-18 2435847 1957-01-08 10 AAVSO
-33 9.3 2436040 1957-07-20 2436028 1957-07-08 12 SVO
-32 9.0 2436217 1958-01-13 2436210 1958-01-06 7 AAVSO
-31 9.9 2436404 1958-07-19 2436391 1958-07-06 13 SVO
-30   2436590 1959-01-21 2436573 1959-01-04 17 AAVSO
-29 9.4 2436761 1959-07-11 2436754 1959-07-04 7 SVO
-28   2436947 1960-01-13 2436936 1960-01-02 11 AAVSO
-27 9.1 2437124 1960-07-08 2437117 1960-07-01 7 SVO
-26   2437313 1961-01-13 2437299 1960-12-30 14 AAVSO
-25 9.3 2437491 1961-07-10 2437480 1961-06-29 11 SVO
-24 9.6 2437669 1962-01-04 2437661 1961-12-27 8 AAVSO
-23 9.7 2437854 1962-07-08 2437843 1962-06-27 11 SVO
-22   2438036 1963-01-06 2438024 1962-12-25 12 AAVSO
-21 9.9 2438227 1963-07-16 2438206 1963-06-25 21 SVO
-20 9.4 2438396 1964-01-01 2438387 1963-12-23 9 AAVSO
-19 9.2 2438577 1964-06-30 2438569 1964-06-22 8 SVO
-18 9.9 2438757 1964-12-27 2438750 1964-12-20 7 AAVSO
-17 10.4 2438951 1965-07-09 2438932 1965-06-20 19 SVO
-16 9.0 2439124 1965-12-29 2439113 1965-12-18 11 AAVSO
-15 9.7 2439306 1966-06-29 2439295 1966-06-18 11 SVO
-14 9.3 2439491 1966-12-31 2439476 1966-12-16 15 AAVSO
-13 9.1 2439668 1967-06-26 2439658 1967-06-16 10 SVO
-12   2439858 1968-01-02 2439839 1967-12-14 19 AAVSO
-11 9.6 2440043 1968-07-05 2440021 1968-06-13 22 SVO
-10 9.5 2440217 1968-12-26 2440202 1968-12-11 15 AAVSO
-9 10.0 2440397 1969-06-24 2440384 1969-06-11 13 AAVSO
-8 9.5 2440577 1969-12-21 2440565 1969-12-09 12 AAVSO
-7 9.5 2440755 1970-06-17 2440747 1970-06-09 8 AAVSO
-6 9.1 2440938 1970-12-17 2440928 1970-12-07 10 AAVSO
-5 9.5 2441119 1971-06-16 2441110 1971-06-07 9 AAVSO
-4 9.5 2441297 1971-12-11 2441291 1971-12-05 6 AAVSO
-3   2441478 1972-06-09 2441473 1972-06-04 5 AAVSO
-2 9.1 2441657 1972-12-05 2441654 1972-12-02 3 AAVSO
-1 9.0 2441842 1973-06-08 2441836 1973-06-02 6 AAVSO
0 9.7 2442024 1973-12-07 2442017 1973-11-30 7 AAVSO
1 9.4 2442206 1974-06-07 2442198 1974-05-30 8 AAVSO
2 9.8 2442381 1974-11-29 2442380 1974-11-28 1 AAVSO
3 9.6 2442565 1975-06-01 2442561 1975-05-28 4 AAVSO
4 9.8 2442739 1975-11-22 2442743 1975-11-26 -4 AAVSO
5 9.8 2442923 1976-05-24 2442924 1976-05-25 -1 AAVSO
6 9.2 2443100 1976-11-17 2443106 1976-11-23 -6 AAVSO
7 9.6 2443283 1977-05-19 2443287 1977-05-23 -4 AAVSO
8 9.8 2443466 1977-11-18 2443469 1977-11-21 -3 AAVSO
9 9.3 2443648 1978-05-19 2443650 1978-05-21 -2 AAVSO
10 9.8 2443830 1978-11-17 2443832 1978-11-19 -2 AAVSO
11 9.9 2444012 1979-05-18 2444013 1979-05-19 -1 AAVSO
12 9.0 2444192 1979-11-14 2444195 1979-11-17 -3 SVO
13 9.7 2444373 1980-05-13 2444376 1980-05-16 -3 AAVSO
14 9.4 2444559 1980-11-15 2444558 1980-11-14 1 SVO
15 9.6 2444738 1981-05-13 2444739 1981-05-14 -1 AAVSO
16 9.2 2444918 1981-11-09 2444921 1981-11-12 -3 SVO
17 9.0 2445106 1982-05-16 2445102 1982-05-12 4 AAVSO
18 9.4 2445284 1982-11-10 2445284 1982-11-10 0 SVO
19 9.1 2445458 1983-05-03 2445465 1983-05-10 -7 SVO
20 9.9 2445649 1983-11-10 2445647 1983-11-08 2 SVO
21 9.5 2445826 1984-05-05 2445828 1984-05-07 -2 SVO
22 9.5 2446009 1984-11-04 2446010 1984-11-05 -1 SVO
23 10.1 2446191 1985-05-05 2446191 1985-05-05 0 AAVSO
24 9.3 2446371 1985-11-01 2446373 1985-11-03 -2 SVO
25 9.4 2446549 1986-04-28 2446554 1986-05-03 -5 AAVSO
26 9.4 2446731 1986-10-27 2446735 1986-10-31 -4 SVO
27 9.3 2446907 1987-04-21 2446917 1987-05-01 -10 AAVSO
28 9.7 2447107 1987-11-07 2447098 1987-10-29 9 SVO
29   2447288 1988-05-06 2447280 1988-04-28 8 AAVSO
30 9.7 2447462 1988-10-27 2447461 1988-10-26 1 SVO
31   2447645 1989-04-28 2447643 1989-04-26 2 AAVSO
32 9.0 2447814 1989-10-14 2447824 1989-10-24 -10 SVO
33   2447999 1990-04-17 2448006 1990-04-24 -7 AAVSO
34 9.8 2448185 1990-10-20 2448187 1990-10-22 -2 SVO
35   2448360 1991-04-13 2448369 1991-04-22 -9 AAVSO
36 9.5 2448542 1991-10-12 2448550 1991-10-20 -8 SVO
37   2448729 1992-04-16 2448732 1992-04-19 -3 AAVSO
38 9.3 2448907 1992-10-11 2448913 1992-10-17 -6 SVO
39   2449088 1993-04-10 2449095 1993-04-17 -7 AAVSO
40 9.3 2449257 1993-09-26 2449276 1993-10-15 -19 SVO
41   2449443 1994-03-31 2449458 1994-04-15 -15 AAVSO
42 9.6 2449627 1994-10-01 2449639 1994-10-13 -12 SVO
43   2449808 1995-03-31 2449821 1995-04-13 -13 AAVSO
44 9.2 2449985 1995-09-24 2450002 1995-10-11 -17 SVO
45   2450164 1996-03-21 2450184 1996-04-10 -20 AAVSO
46 10.0 2450343 1996-09-16 2450365 1996-10-08 -22 SVO
47   2450533 1997-03-25 2450547 1997-04-08 -14 AAVSO
48 10.1 2450715 1997-09-23 2450728 1997-10-06 -13 SVO
49   2450895 1998-03-22 2450910 1998-04-06 -15 AAVSO
50 9.4 2451073 1998-09-16 2451091 1998-10-04 -18 SVO
51   2451260 1999-03-22 2451272 1999-04-03 -12 AAVSO
52 9.1 2451432 1999-09-10 2451454 1999-10-02 -22 SVO
53   2451615 2000-03-11 2451635 2000-03-31 -20 AAVSO
54 9.7 2451802 2000-09-14 2451817 2000-09-29 -15 SVO
55   2451987 2001-03-18 2451998 2001-03-29 -11 AAVSO
56 9.4 2452167 2001-09-14 2452180 2001-09-27 -13 SVO
57   2452350 2002-03-16 2452361 2002-03-27 -11 AAVSO
58 9.4 2452535 2002-09-17 2452543 2002-09-25 -8 SVO
59   2452725 2003-03-26 2452724 2003-03-25 1 AAVSO
60 9.7 2452910 2003-09-27 2452906 2003-09-23 4 SVO
61   2453079 2004-03-14 2453087 2004-03-22 -8 AAVSO
62 9.4 2453264 2004-09-15 2453269 2004-09-20 -5 SVO
63   2453449 2005-03-19 2453450 2005-03-20 -1 AAVSO
64 9.9 2453637 2005-09-23 2453632 2005-09-18 5 SVO
65   2453820 2006-03-25 2453813 2006-03-18 7 AAVSO
66 9.3 2453989 2006-09-10 2453995 2006-09-16 -6 SVO
67   2454179 2007-03-19 2454176 2007-03-16 3 AAVSO
68 9.3 2454361 2007-09-17 2454358 2007-09-14 3 SVO
69   2454539 2008-03-13 2454539 2008-03-13 0 AAVSO
70 9.2 2454718 2008-09-08 2454721 2008-09-11 -3 SVO
71 10.1 2454902 2009-03-11 2454902 2009-03-11 0 AAVSO
72 9.3 2455077 2009-09-02 2455084 2009-09-09 -7 SVO
73   2455262 2010-03-06 2455265 2010-03-09 -3 AAVSO
74 9.4 2455446 2010-09-06 2455447 2010-09-07 -1 SVO
75   2455629 2011-03-08 2455628 2011-03-07 1 AAVSO
76 9.0 2455804 2011-08-30 2455809 2011-09-04 -5 SVO
77   2455990 2012-03-03 2455991 2012-03-04 -1 AAVSO
78 9.5 2456173 2012-09-02 2456172 2012-09-01 1 SVO
79   2456355 2013-03-03 2456354 2013-03-02 1 AAVSO
80 9.2 2456529 2013-08-24 2456535 2013-08-30 -6 SVO
81   2456711 2014-02-22 2456717 2014-02-28 -6 AAVSO
82 10.4 2456908 2014-09-07 2456898 2014-08-28 10 SVO
83 10.2 2457091 2015-03-09 2457080 2015-02-26 11 AAVSO
84 9.3 2457264 2015-08-29 2457261 2015-08-26 3 SVO
85   2457448 2016-02-29 2457443 2016-02-24 5 AAVSO
86 9.2 2457620 2016-08-19 2457624 2016-08-23 -4 SVO
87   2457803 2017-02-18 2457806 2017-02-21 -3 AAVSO
88 9.5 2457987 2017-08-21 2457987 2017-08-21 0 SVO
90 9.6 2458356 2018-08-25 2458350 2018-08-19 6 SVO
92 9.3 2458713 2019-08-17 2458713 2019-08-17 0 SVO
94 10.0 2459089 2020-08-27 2459076 2020-08-14 13 SVO
96 8.9 2459441 2021-08-14 2459439 2021-08-12 2 SVO
98 9.0 2459805 2022-08-13 2459802 2022-08-10 3 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.