Maxima for W Aqr
Period: 381.1, Epoch: 2439128
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-71   2412070 1891-12-03 2412070 1891-12-03 0 SVO
-69   2412825 1893-12-27 2412832 1894-01-03 -7 AnHar, 1909, vol 55, p 95
-68   2413210 1895-01-16 2413213 1895-01-19 -3 GuL, 1920, 1.2
-67   2413604 1896-02-14 2413594 1896-02-04 10 GuL, 1920, 1.2
-66   2414000 1897-03-16 2413975 1897-02-19 25 SVO
-64   2414760 1899-04-15 2414738 1899-03-24 22 SVO
-62   2415530 1901-05-25 2415500 1901-04-25 30 AnHar, 1952, vol 115
-61   2415895 1902-05-25 2415881 1902-05-11 14 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-60   2416273 1903-06-07 2416262 1903-05-27 11 AnHar, 1909, vol 55, p 95
-59 8.6 2416650 1904-06-18 2416643 1904-06-11 7 AAVSO
-58 8.4 2417048 1905-07-21 2417024 1905-06-27 24 AAVSO
-57 8.0 2417412 1906-07-20 2417405 1906-07-13 7 AAVSO
-56   2417800 1907-08-12 2417786 1907-07-29 14 AAVSO
-55 8.3 2418194 1908-09-09 2418168 1908-08-14 26 AAVSO
-54 8.5 2418579 1909-09-29 2418549 1909-08-30 30 AAVSO
-53 8.5 2418988 1910-11-12 2418930 1910-09-15 58 AAVSO
-52   2419360 1911-11-19 2419311 1911-10-01 49 AAVSO
-51   2419755 1912-12-18 2419692 1912-10-16 63 AAVSO
-50   2420116 1913-12-14 2420073 1913-11-01 43 AAVSO
-49   2420504 1915-01-06 2420454 1914-11-17 50 AAVSO
-48   2420888 1916-01-25 2420835 1915-12-03 53 AAVSO
-47   2421270 1917-02-10 2421216 1916-12-18 54 AAVSO
-46   2421648 1918-02-23 2421597 1918-01-03 51 AAVSO
-45   2422000 1919-02-10 2421979 1919-01-20 21 AAVSO
-44   2422376 1920-02-21 2422360 1920-02-05 16 AAVSO
-43   2422748 1921-02-27 2422741 1921-02-20 7 AAVSO
-42   2423153 1922-04-08 2423122 1922-03-08 31 AAVSO
-41 8.7 2423533 1923-04-23 2423503 1923-03-24 30 AAVSO
-40 9.3 2423909 1924-05-03 2423884 1924-04-08 25 AAVSO
-39   2424307 1925-06-05 2424265 1925-04-24 42 AAVSO
-38 9.5 2424676 1926-06-09 2424646 1926-05-10 30 AAVSO
-37 9.0 2425036 1927-06-04 2425027 1927-05-26 9 AAVSO
-36 8.9 2425411 1928-06-13 2425408 1928-06-10 3 AAVSO
-35 9.2 2425780 1929-06-17 2425790 1929-06-27 -10 SVO
-34 8.9 2426141 1930-06-13 2426171 1930-07-13 -30 SVO
-33 8.8 2426515 1931-06-22 2426552 1931-07-29 -37 AAVSO
-32 9.6 2426893 1932-07-04 2426933 1932-08-13 -40 AAVSO
-31 9.4 2427265 1933-07-11 2427314 1933-08-29 -49 SVO
-30 9.1 2427638 1934-07-19 2427695 1934-09-14 -57 SVO
-29 9.6 2428024 1935-08-09 2428076 1935-09-30 -52 SVO
-28 8.7 2428392 1936-08-11 2428457 1936-10-15 -65 SVO
-27 9.6 2428772 1937-08-26 2428838 1937-10-31 -66 SVO
-26 9.1 2429159 1938-09-17 2429219 1938-11-16 -60 SVO
-25 9.5 2429530 1939-09-23 2429601 1939-12-03 -71 SVO
-24 8.5 2429910 1940-10-07 2429982 1940-12-18 -72 SVO
-23 9.5 2430288 1941-10-20 2430363 1942-01-03 -75 SVO
-22 8.6 2430673 1942-11-09 2430744 1943-01-19 -71 SVO
-21 9.3 2431063 1943-12-04 2431125 1944-02-04 -62 SVO
-20 9.2 2431450 1944-12-25 2431506 1945-02-19 -56 SVO
-19   2431830 1946-01-09 2431887 1946-03-07 -57 AAVSO
-18 8.7 2432215 1947-01-29 2432268 1947-03-23 -53 SVO
-17   2432610 1948-02-28 2432649 1948-04-07 -39 AAVSO
-16 8.8 2433001 1949-03-25 2433030 1949-04-23 -29 AAVSO
-15 9.0 2433388 1950-04-16 2433412 1950-05-10 -24 AAVSO
-14 8.8 2433769 1951-05-02 2433793 1951-05-26 -24 SVO
-13 8.7 2434154 1952-05-21 2434174 1952-06-10 -20 SVO
-12 9.7 2434550 1953-06-21 2434555 1953-06-26 -5 SVO
-11 9.1 2434931 1954-07-07 2434936 1954-07-12 -5 SVO
-10 9.3 2435335 1955-08-15 2435317 1955-07-28 18 SVO
-9 9.5 2435717 1956-08-31 2435698 1956-08-12 19 SVO
-8 9.2 2436087 1957-09-05 2436079 1957-08-28 8 SVO
-7 8.7 2436464 1958-09-17 2436460 1958-09-13 4 SVO
-6 9.9 2436840 1959-09-28 2436841 1959-09-29 -1 SVO
-5 9.2 2437222 1960-10-14 2437223 1960-10-15 -1 SVO
-4 9.4 2437599 1961-10-26 2437604 1961-10-31 -5 SVO
-3 8.6 2437983 1962-11-14 2437985 1962-11-16 -2 SVO
-2 9.4 2438360 1963-11-26 2438366 1963-12-02 -6 SVO
-1 9.6 2438742 1964-12-12 2438747 1964-12-17 -5 AAVSO
0 8.8 2439118 1965-12-23 2439128 1966-01-02 -10 SVO
1 9.1 2439493 1967-01-02 2439509 1967-01-18 -16 SVO
2 8.9 2439875 1968-01-19 2439890 1968-02-03 -15 SVO
3 9.3 2440249 1969-01-27 2440271 1969-02-18 -22 AAVSO
4   2440625 1970-02-07 2440652 1970-03-06 -27 AAVSO
5   2441008 1971-02-25 2441034 1971-03-23 -26 AAVSO
6   2441383 1972-03-06 2441415 1972-04-07 -32 AAVSO
7 9.8 2441770 1973-03-28 2441796 1973-04-23 -26 AAVSO
8 8.9 2442160 1974-04-22 2442177 1974-05-09 -17 AAVSO
9 9.3 2442545 1975-05-12 2442558 1975-05-25 -13 AAVSO
10 9.1 2442915 1976-05-16 2442939 1976-06-09 -24 SVO
11 8.8 2443298 1977-06-03 2443320 1977-06-25 -22 SVO
12 9.0 2443686 1978-06-26 2443701 1978-07-11 -15 SVO
13 8.8 2444068 1979-07-13 2444082 1979-07-27 -14 SVO
14 8.8 2444447 1980-07-26 2444463 1980-08-11 -16 SVO
15 8.5 2444831 1981-08-14 2444845 1981-08-28 -14 SVO
16 9.9 2445224 1982-09-11 2445226 1982-09-13 -2 SVO
17 8.8 2445608 1983-09-30 2445607 1983-09-29 1 SVO
18 9.5 2445994 1984-10-20 2445988 1984-10-14 6 SVO
19 8.9 2446380 1985-11-10 2446369 1985-10-30 11 SVO
20 8.9 2446755 1986-11-20 2446750 1986-11-15 5 SVO
21 9.2 2447139 1987-12-09 2447131 1987-12-01 8 SVO
22 9.2 2447516 1988-12-20 2447512 1988-12-16 4 SVO
23 8.9 2447905 1990-01-13 2447893 1990-01-01 12 SVO
24 9.3 2448278 1991-01-21 2448274 1991-01-17 4 SVO
25 9.2 2448656 1992-02-03 2448656 1992-02-03 0 SVO
26 9.4 2449037 1993-02-18 2449037 1993-02-18 0 SVO
27 8.9 2449413 1994-03-01 2449418 1994-03-06 -5 SVO
28 8.7 2449773 1995-02-24 2449799 1995-03-22 -26 SVO
29 10.0 2450163 1996-03-20 2450180 1996-04-06 -17 SVO
30 9.0 2450541 1997-04-02 2450561 1997-04-22 -20 SVO
31 10.0 2450898 1998-03-25 2450942 1998-05-08 -44 SVO
32 9.4 2451298 1999-04-29 2451323 1999-05-24 -25 SVO
33   2451685 2000-05-20 2451704 2000-06-08 -19 AAVSO
34 9.4 2452047 2001-05-17 2452085 2001-06-24 -38 SVO
35 9.0 2452430 2002-06-04 2452467 2002-07-11 -37 SVO
36 9.2 2452802 2003-06-11 2452848 2003-07-27 -46 SVO
37 9.2 2453191 2004-07-04 2453229 2004-08-11 -38 SVO
38 9.3 2453570 2005-07-18 2453610 2005-08-27 -40 SVO
39 9.1 2453946 2006-07-29 2453991 2006-09-12 -45 SVO
40 9.1 2454334 2007-08-21 2454372 2007-09-28 -38 SVO
41 8.6 2454709 2008-08-30 2454753 2008-10-13 -44 SVO
42 10.4 2455089 2009-09-14 2455134 2009-10-29 -45 SVO
43 9.2 2455458 2010-09-18 2455515 2010-11-14 -57 SVO
44 9.2 2455838 2011-10-03 2455896 2011-11-30 -58 SVO
45 8.4 2456217 2012-10-16 2456278 2012-12-16 -61 SVO
46 9.3 2456593 2013-10-27 2456659 2014-01-01 -66 SVO
47 8.6 2456977 2014-11-15 2457040 2015-01-17 -63 SVO
48 9.2 2457357 2015-11-30 2457421 2016-02-02 -64 SVO
49 8.7 2457733 2016-12-10 2457802 2017-02-17 -69 SVO
50 8.9 2458131 2018-01-12 2458183 2018-03-05 -52 SVO
51 8.6 2458512 2019-01-28 2458564 2019-03-21 -52 SVO
52 8.8 2458893 2020-02-13 2458945 2020-04-05 -52 SVO
53 8.8 2459273 2021-02-27 2459326 2021-04-21 -53 SVO
54 8.8 2459671 2022-04-01 2459707 2022-05-07 -36 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.