Maxima for Z Vel
Period: 411.4, Epoch: 2439898
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-64   2412960 1894-05-11 2413568 1896-01-09 -608 SVO
-63   2413370 1895-06-25 2413980 1897-02-24 -610 SVO
-62   2413785 1896-08-13 2414391 1898-04-11 -606 SVO
-59   2415050 1900-01-30 2415625 1901-08-28 -575 AnHar, 1909, vol 55, p 95
-58   2415448 1901-03-04 2416037 1902-10-14 -589 AnHar, 1909, vol 55, p 95
-57   2415871 1902-05-01 2416448 1903-11-29 -577 AnHar, 1909, vol 55, p 95
-56   2416255 1903-05-20 2416860 1905-01-14 -605 AnHar, 1952, vol 115
-55   2416750 1904-09-26 2417271 1906-03-01 -521 AnHar, 1952, vol 115
-53   2417620 1907-02-13 2418094 1908-06-01 -474 AnHar, 1952, vol 115
-52   2418065 1908-05-03 2418505 1909-07-17 -440 AnHar, 1952, vol 115
-51   2418500 1909-07-12 2418917 1910-09-02 -417 SVO
-49 9.6 2419391 1911-12-20 2419739 1912-12-02 -348 SVO
-48   2419804 1913-02-05 2420151 1914-01-18 -347 BHarO, 1927, no 843, p 16
-47   2420241 1914-04-18 2420562 1915-03-05 -321 BHarO, 1927, no 843, p 16, AnHar, 1952, vol 115
-46   2420663 1915-06-14 2420974 1916-04-20 -311 BHarO, 1927, no 843, p 16
-45   2421120 1916-09-13 2421385 1917-06-05 -265 AnHar, 1952, vol 115
-44   2421546 1917-11-13 2421796 1918-07-21 -250 BHarO, 1927, no 843, p 16
-43 9.8 2421990 1919-01-31 2422208 1919-09-06 -218 SVO
-42 9.2 2422438 1920-04-23 2422619 1920-10-21 -181 SVO
-41 10.0 2422869 1921-06-28 2423031 1921-12-07 -162 SVO
-40 9.5 2423307 1922-09-09 2423442 1923-01-22 -135 SVO
-39 9.8 2423740 1923-11-16 2423853 1924-03-08 -113 SVO
-38 8.4 2424150 1924-12-30 2424265 1925-04-24 -115 SVO
-37 10.1 2424596 1926-03-21 2424676 1926-06-09 -80 SVO
-36 9.3 2425029 1927-05-28 2425088 1927-07-26 -59 SVO
-35 9.5 2425456 1928-07-28 2425499 1928-09-09 -43 SVO
-34 9.4 2425889 1929-10-04 2425910 1929-10-25 -21 SVO
-33 9.4 2426309 1930-11-28 2426322 1930-12-11 -13 SVO
-32 9.2 2426732 1932-01-25 2426733 1932-01-26 -1 SVO
-31 9.4 2427150 1933-03-18 2427145 1933-03-13 5 SVO
-30 9.1 2427565 1934-05-07 2427556 1934-04-28 9 SVO
-29 9.5 2427993 1935-07-09 2427967 1935-06-13 26 SVO
-28 9.8 2428410 1936-08-29 2428379 1936-07-29 31 SVO
-27 9.0 2428813 1937-10-06 2428790 1937-09-13 23 SVO
-26 9.6 2429218 1938-11-15 2429202 1938-10-30 16 SVO
-25 9.2 2429630 1940-01-01 2429613 1939-12-15 17 SVO
-24 9.8 2430044 1941-02-18 2430024 1941-01-29 20 SVO
-23 9.2 2430460 1942-04-10 2430436 1942-03-17 24 SVO
-22 9.8 2430866 1943-05-21 2430847 1943-05-02 19 SVO
-21 9.4 2431275 1944-07-03 2431259 1944-06-17 16 SVO
-20 9.5 2431686 1945-08-18 2431670 1945-08-02 16 SVO
-19 9.6 2432099 1946-10-05 2432081 1946-09-17 18 SVO
-18 9.7 2432511 1947-11-21 2432493 1947-11-03 18 SVO
-17 9.5 2432919 1949-01-02 2432904 1948-12-18 15 SVO
-16 9.6 2433330 1950-02-17 2433316 1950-02-03 14 SVO
-15 9.1 2433750 1951-04-13 2433727 1951-03-21 23 SVO
-14 10.0 2434164 1952-05-31 2434138 1952-05-05 26 SVO
-13 9.5 2434565 1953-07-06 2434550 1953-06-21 15 SVO
-12 9.9 2434962 1954-08-07 2434961 1954-08-06 1 SVO
-11 9.3 2435364 1955-09-13 2435373 1955-09-22 -9 SVO
-10 9.8 2435776 1956-10-29 2435784 1956-11-06 -8 SVO
-9 9.5 2436169 1957-11-26 2436195 1957-12-22 -26 SVO
-8 9.7 2436572 1959-01-03 2436607 1959-02-07 -35 SVO
-7 9.4 2436983 1960-02-18 2437018 1960-03-24 -35 SVO
-6 10.0 2437398 1961-04-08 2437430 1961-05-10 -32 SVO
-5 9.8 2437807 1962-05-22 2437841 1962-06-25 -34 SVO
-4 10.2 2438229 1963-07-18 2438252 1963-08-10 -23 SVO
-3 9.3 2438640 1964-09-01 2438664 1964-09-25 -24 SVO
-2 9.8 2439061 1965-10-27 2439075 1965-11-10 -14 SVO
-1 9.7 2439464 1966-12-04 2439487 1966-12-27 -23 SVO
0 9.1 2439884 1968-01-28 2439898 1968-02-11 -14 SVO
1 9.6 2440310 1969-03-29 2440309 1969-03-28 1 SVO
2 9.5 2440739 1970-06-01 2440721 1970-05-14 18 SVO
3 9.8 2441149 1971-07-16 2441132 1971-06-29 17 SVO
4 9.6 2441581 1972-09-20 2441544 1972-08-14 37 SVO
5 9.4 2442000 1973-11-13 2441955 1973-09-29 45 SVO
6 9.0 2442423 1975-01-10 2442366 1974-11-14 57 SVO
7 9.4 2442851 1976-03-13 2442778 1975-12-31 73 SVO
8 9.6 2443288 1977-05-24 2443189 1977-02-14 99 SVO
9 9.8 2443720 1978-07-30 2443601 1978-04-02 119 SVO
10   2444147 1979-09-30 2444012 1979-05-18 135 AAVSO
11 8.9 2444580 1980-12-06 2444423 1980-07-02 157 SVO
12 9.2 2445019 1982-02-18 2444835 1981-08-18 184 SVO
13 9.1 2445459 1983-05-04 2445246 1982-10-03 213 SVO
14 9.8 2445891 1984-07-09 2445658 1983-11-19 233 SVO
15 9.3 2446323 1985-09-14 2446069 1985-01-03 254 SVO
16 9.8 2446758 1986-11-23 2446480 1986-02-18 278 SVO
17 9.4 2447185 1988-01-24 2446892 1987-04-06 293 SVO
18 10.2 2447619 1989-04-02 2447303 1988-05-21 316 SVO
19 9.8 2448020 1990-05-08 2447715 1989-07-07 305 SVO
20 9.8 2448454 1991-07-16 2448126 1990-08-22 328 SVO
21 9.6 2448879 1992-09-13 2448537 1991-10-07 342 SVO
22 9.7 2449303 1993-11-11 2448949 1992-11-22 354 SVO
23 9.7 2449708 1994-12-21 2449360 1994-01-07 348 SVO
24 9.4 2450121 1996-02-07 2449772 1995-02-23 349 SVO
25 9.5 2450536 1997-03-28 2450183 1996-04-09 353 SVO
26 9.8 2450952 1998-05-18 2450594 1997-05-25 358 SVO
27   2451392 1999-08-01 2451006 1998-07-11 386 AAVSO
28 9.1 2451787 2000-08-30 2451417 1999-08-26 370 SVO
29 8.5 2452206 2001-10-23 2451829 2000-10-11 377 SVO
30 9.2 2452624 2002-12-15 2452240 2001-11-26 384 SVO
31 8.8 2453039 2004-02-03 2452651 2003-01-11 388 SVO
32 8.7 2453454 2005-03-24 2453063 2004-02-27 391 SVO
33 9.4 2453879 2006-05-23 2453474 2005-04-13 405 SVO
34 9.1 2454298 2007-07-16 2453886 2006-05-30 412 SVO
35 9.0 2454726 2008-09-16 2454297 2007-07-15 429 SVO
36 8.8 2455134 2009-10-29 2454708 2008-08-29 426 SVO
37   2455534 2010-12-03 2455120 2009-10-15 414 AAVSO
38   2455953 2012-01-26 2455531 2010-11-30 422 AAVSO
39 9.4 2456383 2013-03-31 2455943 2012-01-16 440 SVO
40 9.5 2456795 2014-05-17 2456354 2013-03-02 441 AAVSO
41 8.9 2457210 2015-07-06 2456765 2014-04-17 445 SVO
42 9.2 2457630 2016-08-29 2457177 2015-06-03 453 SVO
43 9.2 2458040 2017-10-13 2457588 2016-07-18 452 SVO
44 9.3 2458466 2018-12-13 2458000 2017-09-03 466 SVO
45 8.8 2458877 2020-01-28 2458411 2018-10-19 466 SVO
46 8.9 2459294 2021-03-20 2458822 2019-12-04 472 SVO
47 8.7 2459704 2022-05-04 2459234 2021-01-19 470 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.