Maxima for Z Vel
Period: 420.08, Epoch: 2440004.2
AAVSO offset: 3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-64   2412960 1894-05-11 2413119 1894-10-17 -159 SVO
-63   2413370 1895-06-25 2413539 1895-12-11 -169 SVO
-62   2413785 1896-08-13 2413959 1897-02-03 -174 SVO
-59   2415050 1900-01-30 2415220 1900-07-19 -170 AnHar, 1909, vol 55, p 95
-58   2415448 1901-03-04 2415640 1901-09-12 -192 AnHar, 1909, vol 55, p 95
-57   2415871 1902-05-01 2416060 1902-11-06 -189 AnHar, 1909, vol 55, p 95
-56   2416255 1903-05-20 2416480 1903-12-31 -225 AnHar, 1952, vol 115
-55   2416750 1904-09-26 2416900 1905-02-23 -150 AnHar, 1952, vol 115
-53   2417620 1907-02-13 2417740 1907-06-13 -120 AnHar, 1952, vol 115
-52   2418065 1908-05-03 2418160 1908-08-06 -95 AnHar, 1952, vol 115
-51   2418500 1909-07-12 2418580 1909-09-30 -80 SVO
-49 9.6 2419391 1911-12-20 2419420 1912-01-18 -29 SVO
-48   2419804 1913-02-05 2419841 1913-03-14 -37 BHarO, 1927, no 843, p 16
-47   2420241 1914-04-18 2420261 1914-05-08 -20 BHarO, 1927, no 843, p 16, AnHar, 1952, vol 115
-46   2420663 1915-06-14 2420681 1915-07-02 -18 BHarO, 1927, no 843, p 16
-45   2421120 1916-09-13 2421101 1916-08-25 19 AnHar, 1952, vol 115
-44   2421546 1917-11-13 2421521 1917-10-19 25 BHarO, 1927, no 843, p 16
-43 9.8 2421990 1919-01-31 2421941 1918-12-13 49 SVO
-42 9.2 2422438 1920-04-23 2422361 1920-02-06 77 SVO
-41 10.0 2422869 1921-06-28 2422781 1921-04-01 88 SVO
-40 9.5 2423307 1922-09-09 2423201 1922-05-26 106 SVO
-39 9.8 2423740 1923-11-16 2423621 1923-07-20 119 SVO
-38 8.4 2424150 1924-12-30 2424041 1924-09-12 109 SVO
-37 10.1 2424596 1926-03-21 2424461 1925-11-06 135 SVO
-36 9.3 2425029 1927-05-28 2424881 1926-12-31 148 SVO
-35 9.5 2425456 1928-07-28 2425302 1928-02-25 154 SVO
-34 9.4 2425889 1929-10-04 2425722 1929-04-20 167 SVO
-33 9.4 2426309 1930-11-28 2426142 1930-06-14 167 SVO
-32 9.2 2426732 1932-01-25 2426562 1931-08-08 170 SVO
-31 9.4 2427150 1933-03-18 2426982 1932-10-01 168 SVO
-30 9.1 2427565 1934-05-07 2427402 1933-11-25 163 SVO
-29 9.5 2427993 1935-07-09 2427822 1935-01-19 171 SVO
-28 9.8 2428410 1936-08-29 2428242 1936-03-14 168 SVO
-27 9.0 2428813 1937-10-06 2428662 1937-05-08 151 SVO
-26 9.6 2429218 1938-11-15 2429082 1938-07-02 136 SVO
-25 9.2 2429630 1940-01-01 2429502 1939-08-26 128 SVO
-24 9.8 2430044 1941-02-18 2429922 1940-10-19 122 SVO
-23 9.2 2430460 1942-04-10 2430342 1941-12-13 118 SVO
-22 9.8 2430866 1943-05-21 2430763 1943-02-07 103 SVO
-21 9.4 2431275 1944-07-03 2431183 1944-04-02 92 SVO
-20 9.5 2431686 1945-08-18 2431603 1945-05-27 83 SVO
-19 9.6 2432099 1946-10-05 2432023 1946-07-21 76 SVO
-18 9.7 2432511 1947-11-21 2432443 1947-09-14 68 SVO
-17 9.5 2432919 1949-01-02 2432863 1948-11-07 56 SVO
-16 9.6 2433330 1950-02-17 2433283 1950-01-01 47 SVO
-15 9.1 2433750 1951-04-13 2433703 1951-02-25 47 SVO
-14 10.0 2434164 1952-05-31 2434123 1952-04-20 41 SVO
-13 9.5 2434565 1953-07-06 2434543 1953-06-14 22 SVO
-12 9.9 2434962 1954-08-07 2434963 1954-08-08 -1 SVO
-11 9.3 2435364 1955-09-13 2435383 1955-10-02 -19 SVO
-10 9.8 2435776 1956-10-29 2435803 1956-11-25 -27 SVO
-9 9.5 2436169 1957-11-26 2436224 1958-01-20 -55 SVO
-8 9.7 2436572 1959-01-03 2436644 1959-03-16 -72 SVO
-7 9.4 2436983 1960-02-18 2437064 1960-05-09 -81 SVO
-6 10.0 2437398 1961-04-08 2437484 1961-07-03 -86 SVO
-5 9.8 2437807 1962-05-22 2437904 1962-08-27 -97 SVO
-4 10.2 2438229 1963-07-18 2438324 1963-10-21 -95 SVO
-3 9.3 2438640 1964-09-01 2438744 1964-12-14 -104 SVO
-2 9.8 2439061 1965-10-27 2439164 1966-02-07 -103 SVO
-1 9.7 2439464 1966-12-04 2439584 1967-04-03 -120 SVO
0 9.1 2439884 1968-01-28 2440004 1968-05-27 -120 SVO
1 9.6 2440310 1969-03-29 2440424 1969-07-21 -114 SVO
2 9.5 2440739 1970-06-01 2440844 1970-09-14 -105 SVO
3 9.8 2441149 1971-07-16 2441264 1971-11-08 -115 SVO
4 9.6 2441581 1972-09-20 2441685 1973-01-02 -104 SVO
5 9.4 2442000 1973-11-13 2442105 1974-02-26 -105 SVO
6 9.0 2442423 1975-01-10 2442525 1975-04-22 -102 SVO
7 9.4 2442851 1976-03-13 2442945 1976-06-15 -94 SVO
8 9.6 2443288 1977-05-24 2443365 1977-08-09 -77 SVO
9 9.8 2443720 1978-07-30 2443785 1978-10-03 -65 SVO
10   2444147 1979-09-30 2444205 1979-11-27 -58 AAVSO
11 8.9 2444580 1980-12-06 2444625 1981-01-20 -45 SVO
12 9.2 2445019 1982-02-18 2445045 1982-03-16 -26 SVO
13 9.1 2445459 1983-05-04 2445465 1983-05-10 -6 SVO
14 9.8 2445891 1984-07-09 2445885 1984-07-03 6 SVO
15 9.3 2446323 1985-09-14 2446305 1985-08-27 18 SVO
16 9.8 2446758 1986-11-23 2446725 1986-10-21 33 SVO
17 9.4 2447185 1988-01-24 2447146 1987-12-16 39 SVO
18 10.2 2447619 1989-04-02 2447566 1989-02-08 53 SVO
19 9.8 2448020 1990-05-08 2447986 1990-04-04 34 SVO
20 9.8 2448454 1991-07-16 2448406 1991-05-29 48 SVO
21 9.6 2448879 1992-09-13 2448826 1992-07-22 53 SVO
22 9.7 2449303 1993-11-11 2449246 1993-09-15 57 SVO
23 9.7 2449708 1994-12-21 2449666 1994-11-09 42 SVO
24 9.4 2450121 1996-02-07 2450086 1996-01-03 35 SVO
25 9.5 2450536 1997-03-28 2450506 1997-02-26 30 SVO
26 9.8 2450952 1998-05-18 2450926 1998-04-22 26 SVO
27   2451392 1999-08-01 2451346 1999-06-16 46 AAVSO
28 9.1 2451787 2000-08-30 2451766 2000-08-09 21 SVO
29 8.5 2452206 2001-10-23 2452186 2001-10-03 20 SVO
30 9.2 2452624 2002-12-15 2452607 2002-11-28 17 SVO
31 8.8 2453039 2004-02-03 2453027 2004-01-22 12 SVO
32 8.7 2453454 2005-03-24 2453447 2005-03-17 7 SVO
33 9.4 2453879 2006-05-23 2453867 2006-05-11 12 SVO
34 9.1 2454298 2007-07-16 2454287 2007-07-05 11 SVO
35 9.0 2454726 2008-09-16 2454707 2008-08-28 19 SVO
36 8.8 2455134 2009-10-29 2455127 2009-10-22 7 SVO
37   2455534 2010-12-03 2455547 2010-12-16 -13 AAVSO
38   2455953 2012-01-26 2455967 2012-02-09 -14 AAVSO
39 9.4 2456383 2013-03-31 2456387 2013-04-04 -4 SVO
40 9.5 2456795 2014-05-17 2456807 2014-05-29 -12 AAVSO
41 8.9 2457210 2015-07-06 2457227 2015-07-23 -17 SVO
42 9.2 2457630 2016-08-29 2457647 2016-09-15 -17 SVO
43 9.2 2458040 2017-10-13 2458068 2017-11-10 -28 SVO
44 9.3 2458466 2018-12-13 2458488 2019-01-04 -22 SVO
45 8.8 2458877 2020-01-28 2458908 2020-02-28 -31 SVO
46 8.9 2459294 2021-03-20 2459328 2021-04-23 -34 SVO
47 8.7 2459704 2022-05-04 2459748 2022-06-17 -44 SVO
48 8.8 2460130 2023-07-04 2460168 2023-08-11 -38 SVO
49 8.8 2460547 2024-08-24 2460588 2024-10-04 -41 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.