Maxima for Z Vel
Period: 420.12, Epoch: 2440005.2
AAVSO offset: 3

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-64   2412960 1894-05-11 2413118 1894-10-16 -158 SVO
-63   2413370 1895-06-25 2413538 1895-12-10 -168 SVO
-62   2413785 1896-08-13 2413958 1897-02-02 -173 SVO
-59   2415050 1900-01-30 2415218 1900-07-17 -168 AnHar, 1909, vol 55, p 95
-58   2415448 1901-03-04 2415638 1901-09-10 -190 AnHar, 1909, vol 55, p 95
-57   2415871 1902-05-01 2416059 1902-11-05 -188 AnHar, 1909, vol 55, p 95
-56   2416255 1903-05-20 2416479 1903-12-30 -224 AnHar, 1952, vol 115
-55   2416750 1904-09-26 2416899 1905-02-22 -149 AnHar, 1952, vol 115
-53   2417620 1907-02-13 2417739 1907-06-12 -119 AnHar, 1952, vol 115
-52   2418065 1908-05-03 2418159 1908-08-05 -94 AnHar, 1952, vol 115
-51   2418500 1909-07-12 2418579 1909-09-29 -79 SVO
-49 9.6 2419391 1911-12-20 2419420 1912-01-18 -29 SVO
-48   2419804 1913-02-05 2419840 1913-03-13 -36 BHarO, 1927, no 843, p 16
-47   2420241 1914-04-18 2420260 1914-05-07 -19 BHarO, 1927, no 843, p 16, AnHar, 1952, vol 115
-46   2420663 1915-06-14 2420680 1915-07-01 -17 BHarO, 1927, no 843, p 16
-45   2421120 1916-09-13 2421100 1916-08-24 20 AnHar, 1952, vol 115
-44   2421546 1917-11-13 2421520 1917-10-18 26 BHarO, 1927, no 843, p 16
-43 9.8 2421990 1919-01-31 2421940 1918-12-12 50 SVO
-42 9.2 2422438 1920-04-23 2422360 1920-02-05 78 SVO
-41 10.0 2422869 1921-06-28 2422780 1921-03-31 89 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 2425301 1928-02-24 155 SVO
-34 9.4 2425889 1929-10-04 2425721 1929-04-19 168 SVO
-33 9.4 2426309 1930-11-28 2426141 1930-06-13 168 SVO
-32 9.2 2426732 1932-01-25 2426561 1931-08-07 171 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 2430343 1941-12-14 117 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 2434124 1952-04-21 40 SVO
-13 9.5 2434565 1953-07-06 2434544 1953-06-15 21 SVO
-12 9.9 2434962 1954-08-07 2434964 1954-08-09 -2 SVO
-11 9.3 2435364 1955-09-13 2435384 1955-10-03 -20 SVO
-10 9.8 2435776 1956-10-29 2435804 1956-11-26 -28 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 2437485 1961-07-04 -87 SVO
-5 9.8 2437807 1962-05-22 2437905 1962-08-28 -98 SVO
-4 10.2 2438229 1963-07-18 2438325 1963-10-22 -96 SVO
-3 9.3 2438640 1964-09-01 2438745 1964-12-15 -105 SVO
-2 9.8 2439061 1965-10-27 2439165 1966-02-08 -104 SVO
-1 9.7 2439464 1966-12-04 2439585 1967-04-04 -121 SVO
0 9.1 2439884 1968-01-28 2440005 1968-05-28 -121 SVO
1 9.6 2440310 1969-03-29 2440425 1969-07-22 -115 SVO
2 9.5 2440739 1970-06-01 2440845 1970-09-15 -106 SVO
3 9.8 2441149 1971-07-16 2441266 1971-11-10 -117 SVO
4 9.6 2441581 1972-09-20 2441686 1973-01-03 -105 SVO
5 9.4 2442000 1973-11-13 2442106 1974-02-27 -106 SVO
6 9.0 2442423 1975-01-10 2442526 1975-04-23 -103 SVO
7 9.4 2442851 1976-03-13 2442946 1976-06-16 -95 SVO
8 9.6 2443288 1977-05-24 2443366 1977-08-10 -78 SVO
9 9.8 2443720 1978-07-30 2443786 1978-10-04 -66 SVO
10   2444147 1979-09-30 2444206 1979-11-28 -59 AAVSO
11 8.9 2444580 1980-12-06 2444627 1981-01-22 -47 SVO
12 9.2 2445019 1982-02-18 2445047 1982-03-18 -28 SVO
13 9.1 2445459 1983-05-04 2445467 1983-05-12 -8 SVO
14 9.8 2445891 1984-07-09 2445887 1984-07-05 4 SVO
15 9.3 2446323 1985-09-14 2446307 1985-08-29 16 SVO
16 9.8 2446758 1986-11-23 2446727 1986-10-23 31 SVO
17 9.4 2447185 1988-01-24 2447147 1987-12-17 38 SVO
18 10.2 2447619 1989-04-02 2447567 1989-02-09 52 SVO
19 9.8 2448020 1990-05-08 2447987 1990-04-05 33 SVO
20 9.8 2448454 1991-07-16 2448408 1991-05-31 46 SVO
21 9.6 2448879 1992-09-13 2448828 1992-07-24 51 SVO
22 9.7 2449303 1993-11-11 2449248 1993-09-17 55 SVO
23 9.7 2449708 1994-12-21 2449668 1994-11-11 40 SVO
24 9.4 2450121 1996-02-07 2450088 1996-01-05 33 SVO
25 9.5 2450536 1997-03-28 2450508 1997-02-28 28 SVO
26 9.8 2450952 1998-05-18 2450928 1998-04-24 24 SVO
27   2451392 1999-08-01 2451348 1999-06-18 44 AAVSO
28 9.1 2451787 2000-08-30 2451769 2000-08-12 18 SVO
29 8.5 2452206 2001-10-23 2452189 2001-10-06 17 SVO
30 9.2 2452624 2002-12-15 2452609 2002-11-30 15 SVO
31 8.8 2453039 2004-02-03 2453029 2004-01-24 10 SVO
32 8.7 2453454 2005-03-24 2453449 2005-03-19 5 SVO
33 9.4 2453879 2006-05-23 2453869 2006-05-13 10 SVO
34 9.1 2454298 2007-07-16 2454289 2007-07-07 9 SVO
35 9.0 2454726 2008-09-16 2454709 2008-08-30 17 SVO
36 8.8 2455134 2009-10-29 2455129 2009-10-24 5 SVO
37   2455534 2010-12-03 2455550 2010-12-19 -16 AAVSO
38   2455953 2012-01-26 2455970 2012-02-12 -17 AAVSO
39 9.4 2456383 2013-03-31 2456390 2013-04-07 -7 SVO
40 9.5 2456795 2014-05-17 2456810 2014-06-01 -15 AAVSO
41 8.9 2457210 2015-07-06 2457230 2015-07-26 -20 SVO
42 9.2 2457630 2016-08-29 2457650 2016-09-18 -20 SVO
43 9.2 2458040 2017-10-13 2458070 2017-11-12 -30 SVO
44 9.3 2458466 2018-12-13 2458490 2019-01-06 -24 SVO
45 8.8 2458877 2020-01-28 2458911 2020-03-02 -34 SVO
46 8.9 2459294 2021-03-20 2459331 2021-04-26 -37 SVO
47 8.7 2459704 2022-05-04 2459751 2022-06-20 -47 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.