Maxima for SY Vir
Period: 236.65, Epoch: 2438440
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-109   2412635 1893-06-20 2412645 1893-06-30 -10 SVO
-108   2412855 1894-01-26 2412882 1894-02-22 -27 SVO
-106   2413325 1895-05-11 2413355 1895-06-10 -30 SVO
-103   2414035 1897-04-20 2414065 1897-05-20 -30 SVO
-101   2414505 1898-08-03 2414538 1898-09-05 -33 SVO
-100   2414765 1899-04-20 2414775 1899-04-30 -10 SVO
-98   2415230 1900-07-29 2415248 1900-08-16 -18 SVO
-97   2415470 1901-03-26 2415485 1901-04-10 -15 SVO
-95   2415949 1902-07-18 2415958 1902-07-27 -9 SVO
-94   2416190 1903-03-16 2416195 1903-03-21 -5 SVO
-92   2416660 1904-06-28 2416668 1904-07-06 -8 SVO
-91   2416899 1905-02-22 2416905 1905-02-28 -6 SVO
-89   2417370 1906-06-08 2417378 1906-06-16 -8 SVO
-88   2417610 1907-02-03 2417615 1907-02-08 -5 SVO
-86   2418090 1908-05-28 2418088 1908-05-26 2 SVO
-83   2418789 1910-04-27 2418798 1910-05-06 -9 SVO
-80   2419508 1912-04-15 2419508 1912-04-15 0 GuL, 1918, 1.1
-78   2419971 1913-07-22 2419981 1913-08-01 -10 SVO
-77   2420210 1914-03-18 2420218 1914-03-26 -8 SVO
-75   2420684 1915-07-05 2420691 1915-07-12 -7 SVO
-74   2420920 1916-02-26 2420928 1916-03-05 -8 SVO
-72   2421380 1917-05-31 2421401 1917-06-21 -21 SVO
-71   2421620 1918-01-26 2421638 1918-02-13 -18 SVO
-69   2422080 1919-05-01 2422111 1919-06-01 -31 SVO
-67   2422550 1920-08-13 2422584 1920-09-16 -34 GuL, 1952, 2.3
-66   2422795 1921-04-15 2422821 1921-05-11 -26 GuL, 1952, 2.3
-65   2423040 1921-12-16 2423058 1922-01-03 -18 SVO
-64   2423265 1922-07-29 2423294 1922-08-27 -29 SVO
-63   2423514 1923-04-04 2423531 1923-04-21 -17 GuL, 1952, 2.3
-61   2423963 1924-06-26 2424004 1924-08-06 -41 GuL, 1952, 2.3
-60   2424205 1925-02-23 2424241 1925-03-31 -36 GuL, 1952, 2.3
-58   2424685 1926-06-18 2424714 1926-07-17 -29 SVO
-57   2424930 1927-02-18 2424951 1927-03-11 -21 SVO
-55   2425407 1928-06-09 2425424 1928-06-26 -17 GuL, 1952, 2.3
-54   2425650 1929-02-07 2425661 1929-02-18 -11 SVO
-52   2426122 1930-05-25 2426134 1930-06-06 -12 GuL, 1952, 2.3
-51   2426362 1931-01-20 2426371 1931-01-29 -9 GuL, 1952, 2.3
-49   2426828 1932-04-30 2426844 1932-05-16 -16 GuL, 1952, 2.3
-48   2427073 1932-12-31 2427081 1933-01-08 -8 GuL, 1952, 2.3
-47   2427300 1933-08-15 2427317 1933-09-01 -17 SVO
-46   2427544 1934-04-16 2427554 1934-04-26 -10 GuL, 1952, 2.3
-44   2428020 1935-08-05 2428027 1935-08-12 -7 SVO
-43   2428262 1936-04-03 2428264 1936-04-05 -2 SVO
-41   2428740 1937-07-25 2428737 1937-07-22 3 SVO
-40   2428976 1938-03-18 2428974 1938-03-16 2 SVO
-38   2429456 1939-07-11 2429447 1939-07-02 9 SVO
-37   2429691 1940-03-02 2429684 1940-02-24 7 SVO
-35   2430161 1941-06-15 2430157 1941-06-11 4 SVO
-34   2430400 1942-02-09 2430394 1942-02-03 6 SVO
-32   2430867 1943-05-22 2430867 1943-05-22 0 SVO
-31   2431110 1944-01-20 2431104 1944-01-14 6 SVO
-30   2431340 1944-09-06 2431341 1944-09-07 -1 SVO
-29   2431578 1945-05-02 2431577 1945-05-01 1 SVO
-28   2431820 1945-12-30 2431814 1945-12-24 6 SVO
-27   2432040 1946-08-07 2432050 1946-08-17 -10 SVO
-26   2432298 1947-04-22 2432287 1947-04-11 11 SVO
-25   2432535 1947-12-15 2432524 1947-12-04 11 SVO
-24   2432765 1948-08-01 2432760 1948-07-27 5 SVO
-23   2433015 1949-04-08 2432997 1949-03-21 18 SVO
-21   2433475 1950-07-12 2433470 1950-07-07 5 SVO
-20   2433716 1951-03-10 2433707 1951-03-01 9 SVO
-18   2434180 1952-06-16 2434180 1952-06-16 0 SVO
-17   2434415 1953-02-06 2434417 1953-02-08 -2 SVO
-15   2434895 1954-06-01 2434890 1954-05-27 5 SVO
-6   2437005 1960-03-11 2437020 1960-03-26 -15 MitVS, 1966, vol 3, p 212
-3   2437730 1962-03-06 2437730 1962-03-06 0 MitVS, 1966, vol 3, p 212
0   2438440 1964-02-14 2438440 1964-02-14 0 MitVS, 1966, vol 3, p 212
5 9.5 2439635 1967-05-24 2439623 1967-05-12 12 SVO
6   2439875 1968-01-19 2439860 1968-01-04 15 SVO
8 9.0 2440348 1969-05-06 2440333 1969-04-21 15 SVO
9   2440595 1970-01-08 2440570 1969-12-14 25 SVO
11   2441055 1971-04-13 2441043 1971-04-01 12 SVO
14   2441765 1973-03-23 2441753 1973-03-11 12 SVO
16   2442240 1974-07-11 2442226 1974-06-27 14 SVO
17 9.6 2442476 1975-03-04 2442463 1975-02-19 13 SVO
19   2442940 1976-06-10 2442936 1976-06-06 4 SVO
20 9.2 2443180 1977-02-05 2443173 1977-01-29 7 SVO
22   2443660 1978-05-31 2443646 1978-05-17 14 SVO
23   2443895 1979-01-21 2443883 1979-01-09 12 SVO
25   2444360 1980-04-30 2444356 1980-04-26 4 SVO
27   2444835 1981-08-18 2444830 1981-08-13 5 SVO
28 9.0 2445069 1982-04-09 2445066 1982-04-06 3 SVO
30   2445545 1983-07-29 2445540 1983-07-24 5 SVO
31 9.1 2445779 1984-03-19 2445776 1984-03-16 3 SVO
33 10.3 2446272 1985-07-25 2446249 1985-07-02 23 SVO
34 9.5 2446496 1986-03-06 2446486 1986-02-24 10 SVO
36 10.0 2446976 1987-06-29 2446959 1987-06-12 17 SVO
37 9.7 2447214 1988-02-22 2447196 1988-02-04 18 SVO
39 10.2 2447687 1989-06-09 2447669 1989-05-22 18 SVO
40 9.9 2447925 1990-02-02 2447906 1990-01-14 19 SVO
42 10.3 2448402 1991-05-25 2448379 1991-05-02 23 SVO
43   2448640 1992-01-18 2448616 1991-12-25 24 SVO
45 9.8 2449098 1993-04-20 2449089 1993-04-11 9 SVO
46   2449335 1993-12-13 2449326 1993-12-04 9 SVO
47   2449570 1994-08-05 2449563 1994-07-29 7 SVO
48 10.0 2449813 1995-04-05 2449799 1995-03-22 14 SVO
50 9.5 2450286 1996-07-21 2450273 1996-07-08 13 SVO
51 10.5 2450519 1997-03-11 2450509 1997-03-01 10 SVO
53   2451000 1998-07-05 2450982 1998-06-17 18 SVO
54 9.8 2451232 1999-02-22 2451219 1999-02-09 13 SVO
56 10.2 2451724 2000-06-28 2451692 2000-05-27 32 SVO
57 9.9 2451954 2001-02-13 2451929 2001-01-19 25 SVO
59 10.9 2452430 2002-06-04 2452402 2002-05-07 28 SVO
60 10.5 2452670 2003-01-30 2452639 2002-12-30 31 SVO
61   2452900 2003-09-17 2452876 2003-08-24 24 SVO
62 9.8 2453139 2004-05-13 2453112 2004-04-16 27 SVO
63   2453370 2004-12-30 2453349 2004-12-09 21 SVO
65 9.6 2453844 2006-04-18 2453822 2006-03-27 22 SVO
66   2454095 2006-12-25 2454059 2006-11-19 36 SVO
67   2454330 2007-08-17 2454296 2007-07-14 34 SVO
68 10.6 2454564 2008-04-07 2454532 2008-03-06 32 SVO
70   2455030 2009-07-17 2455006 2009-06-23 24 SVO
71 9.9 2455268 2010-03-12 2455242 2010-02-14 26 SVO
73 10.1 2455752 2011-07-09 2455715 2011-06-02 37 SVO
74 10.0 2455983 2012-02-25 2455952 2012-01-25 31 SVO
76 10.2 2456461 2013-06-17 2456425 2013-05-12 36 SVO
77 10.1 2456693 2014-02-04 2456662 2014-01-04 31 SVO
78   2456940 2014-10-09 2456899 2014-08-29 41 SVO
79 10.0 2457174 2015-05-31 2457135 2015-04-22 39 SVO
80 10.2 2457409 2016-01-21 2457372 2015-12-15 37 SVO
81   2457655 2016-09-23 2457609 2016-08-08 46 SVO
82 10.1 2457884 2017-05-10 2457845 2017-04-01 39 SVO
83 10.1 2458124 2018-01-05 2458082 2017-11-24 42 SVO
84   2458360 2018-08-29 2458319 2018-07-19 41 SVO
85 10.0 2458591 2019-04-17 2458555 2019-03-12 36 SVO
86   2458820 2019-12-02 2458792 2019-11-04 28 SVO
87   2459070 2020-08-08 2459029 2020-06-28 41 SVO
88 10.0 2459295 2021-03-21 2459265 2021-02-19 30 SVO
89   2459535 2021-11-16 2459502 2021-10-14 33 SVO
90 10.6 2459778 2022-07-17 2459739 2022-06-08 39 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.