Maxima for W Sco
Period: 221.27, Epoch: 2439162
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-148   2406401 1876-05-26 2406414 1876-06-08 -13 GuL, 1920, 1.2
-143   2407518 1879-06-17 2407520 1879-06-19 -2 AnHar, 1909, vol 55, p 95
-138   2408635 1882-07-08 2408627 1882-06-30 8 GuL, 1920, 1.2
-122   2412170 1892-03-12 2412167 1892-03-09 3 GuL, 1920, 1.2
-120   2412618 1893-06-03 2412610 1893-05-26 8 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-115   2413713 1896-06-02 2413716 1896-06-05 -3 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-113   2414157 1897-08-20 2414158 1897-08-21 -1 AnHar, 1909, vol 55, p 95
-110   2414811 1899-06-05 2414822 1899-06-16 -11 AnHar, 1909, vol 55, p 95
-100 11.0 2417057 1905-07-30 2417035 1905-07-08 22 AAVSO
-99   2417285 1906-03-15 2417256 1906-02-14 29 AAVSO
-95 10.5 2418151 1908-07-28 2418141 1908-07-18 10 AAVSO
-94   2418375 1909-03-09 2418363 1909-02-25 12 AAVSO
-93   2418597 1909-10-17 2418584 1909-10-04 13 AAVSO
-84 11.0 2420578 1915-03-21 2420575 1915-03-18 3 AAVSO
-82   2421013 1916-05-29 2421018 1916-06-03 -5 AAVSO
-80   2421463 1917-08-22 2421460 1917-08-19 3 AAVSO
-79   2421669 1918-03-16 2421682 1918-03-29 -13 AAVSO
-72 12.2 2423237 1922-07-01 2423231 1922-06-25 6 AAVSO
-71 11.6 2423456 1923-02-05 2423452 1923-02-01 4 AAVSO
-70   2423691 1923-09-28 2423673 1923-09-10 18 AAVSO
-69 11.8 2423913 1924-05-07 2423894 1924-04-18 19 AAVSO
-68   2424128 1924-12-08 2424116 1924-11-26 12 AAVSO
-67 11.6 2424350 1925-07-18 2424337 1925-07-05 13 AAVSO
-66   2424575 1926-02-28 2424558 1926-02-11 17 AAVSO
-65 11.5 2424804 1926-10-15 2424779 1926-09-20 25 AAVSO
-64 12.0 2425018 1927-05-17 2425001 1927-04-30 17 AAVSO
-62 11.5 2425458 1928-07-30 2425443 1928-07-15 15 AAVSO
-61 11.3 2425681 1929-03-10 2425665 1929-02-22 16 AAVSO
-60   2425906 1929-10-21 2425886 1929-10-01 20 AAVSO
-59   2426101 1930-05-04 2426107 1930-05-10 -6 AAVSO
-58   2426324 1930-12-13 2426328 1930-12-17 -4 AAVSO
-57   2426552 1931-07-29 2426550 1931-07-27 2 AAVSO
-56   2426781 1932-03-14 2426771 1932-03-04 10 AAVSO
-55   2427003 1932-10-22 2426992 1932-10-11 11 AAVSO
-54 11.6 2427213 1933-05-20 2427213 1933-05-20 0 AAVSO
-52 11.6 2427653 1934-08-03 2427656 1934-08-06 -3 AAVSO
-50   2428104 1935-10-28 2428099 1935-10-23 5 AAVSO
-49 10.5 2428321 1936-06-01 2428320 1936-05-31 1 AAVSO
-47   2428783 1937-09-06 2428762 1937-08-16 21 AAVSO
-46 12.2 2428988 1938-03-30 2428984 1938-03-26 4 AAVSO
-44 11.9 2429431 1939-06-16 2429426 1939-06-11 5 AAVSO
-43   2429639 1940-01-10 2429647 1940-01-18 -8 AAVSO
-42   2429859 1940-08-17 2429869 1940-08-27 -10 AAVSO
-41 12.9 2430111 1941-04-26 2430090 1941-04-05 21 AAVSO
-39 11.8 2430543 1942-07-02 2430532 1942-06-21 11 AAVSO
-37 11.7 2430983 1943-09-15 2430975 1943-09-07 8 AAVSO
-36 11.9 2431223 1944-05-12 2431196 1944-04-15 27 AAVSO
-34 12.4 2431659 1945-07-22 2431639 1945-07-02 20 AAVSO
-31 11.2 2432320 1947-05-14 2432303 1947-04-27 17 AAVSO
-29 12.3 2432759 1948-07-26 2432745 1948-07-12 14 AAVSO
-28   2432981 1949-03-05 2432966 1949-02-18 15 AAVSO
-27   2433203 1949-10-13 2433188 1949-09-28 15 AAVSO
-26 12.5 2433431 1950-05-29 2433409 1950-05-07 22 AAVSO
-25   2433641 1950-12-25 2433630 1950-12-14 11 AAVSO
-24 12.0 2433863 1951-08-04 2433852 1951-07-24 11 AAVSO
-23   2434088 1952-03-16 2434073 1952-03-01 15 AAVSO
-22   2434302 1952-10-16 2434294 1952-10-08 8 AAVSO
-21 13.0 2434517 1953-05-19 2434515 1953-05-17 2 AAVSO
-20   2434736 1953-12-24 2434737 1953-12-25 -1 AAVSO
-19 12.5 2434955 1954-07-31 2434958 1954-08-03 -3 AAVSO
-18   2435177 1955-03-10 2435179 1955-03-12 -2 AAVSO
-17   2435401 1955-10-20 2435400 1955-10-19 1 AAVSO
-16 11.1 2435616 1956-05-22 2435622 1956-05-28 -6 AAVSO
-15   2435838 1956-12-30 2435843 1957-01-04 -5 AAVSO
-14 11.6 2436056 1957-08-05 2436064 1957-08-13 -8 AAVSO
-13   2436278 1958-03-15 2436285 1958-03-22 -7 AAVSO
-12   2436498 1958-10-21 2436507 1958-10-30 -9 AAVSO
-11 12.4 2436731 1959-06-11 2436728 1959-06-08 3 AAVSO
-10   2436953 1960-01-19 2436949 1960-01-15 4 AAVSO
-9 12.8 2437172 1960-08-25 2437171 1960-08-24 1 AAVSO
-8   2437393 1961-04-03 2437392 1961-04-02 1 AAVSO
-7   2437615 1961-11-11 2437613 1961-11-09 2 AAVSO
-6 11.8 2437836 1962-06-20 2437834 1962-06-18 2 AAVSO
-5   2438057 1963-01-27 2438056 1963-01-26 1 AAVSO
-4 13.2 2438280 1963-09-07 2438277 1963-09-04 3 AAVSO
-3 12.4 2438498 1964-04-12 2438498 1964-04-12 0 AAVSO
-2   2438718 1964-11-18 2438719 1964-11-19 -1 AAVSO
-1 11.8 2438947 1965-07-05 2438941 1965-06-29 6 SVO
0 11.0 2439168 1966-02-11 2439162 1966-02-05 6 AAVSO
1 12.8 2439396 1966-09-27 2439383 1966-09-14 13 AAVSO
2 11.9 2439616 1967-05-05 2439605 1967-04-24 11 AAVSO
3   2439834 1967-12-09 2439826 1967-12-01 8 AAVSO
4 11.4 2440062 1968-07-24 2440047 1968-07-09 15 SVO
5   2440280 1969-02-27 2440268 1969-02-15 12 AAVSO
6   2440511 1969-10-16 2440490 1969-09-25 21 AAVSO
7 12.4 2440728 1970-05-21 2440711 1970-05-04 17 AAVSO
8   2440948 1970-12-27 2440932 1970-12-11 16 AAVSO
9 11.8 2441170 1971-08-06 2441153 1971-07-20 17 SVO
10 11.0 2441391 1972-03-14 2441375 1972-02-27 16 AAVSO
11   2441604 1972-10-13 2441596 1972-10-05 8 AAVSO
12 12.0 2441820 1973-05-17 2441817 1973-05-14 3 AAVSO
13   2442044 1973-12-27 2442039 1973-12-22 5 AAVSO
14 11.6 2442272 1974-08-12 2442260 1974-07-31 12 SVO
15 12.0 2442489 1975-03-17 2442481 1975-03-09 8 AAVSO
16   2442710 1975-10-24 2442702 1975-10-16 8 AAVSO
17 12.0 2442940 1976-06-10 2442924 1976-05-25 16 SVO
18 12.0 2443154 1977-01-10 2443145 1977-01-01 9 AAVSO
19 11.8 2443376 1977-08-20 2443366 1977-08-10 10 SVO
20 12.0 2443599 1978-03-31 2443587 1978-03-19 12 SVO
21 13.5 2443823 1978-11-10 2443809 1978-10-27 14 AAVSO
22 11.3 2444031 1979-06-06 2444030 1979-06-05 1 SVO
23 12.0 2444255 1980-01-16 2444251 1980-01-12 4 AAVSO
24 12.0 2444474 1980-08-22 2444472 1980-08-20 2 AAVSO
25 13.1 2444698 1981-04-03 2444694 1981-03-30 4 AAVSO
26   2444917 1981-11-08 2444915 1981-11-06 2 AAVSO
27 11.9 2445133 1982-06-12 2445136 1982-06-15 -3 SVO
28 11.7 2445360 1983-01-25 2445358 1983-01-23 2 AAVSO
29 12.1 2445585 1983-09-07 2445579 1983-09-01 6 AAVSO
30 11.6 2445804 1984-04-13 2445800 1984-04-09 4 AAVSO
31   2446030 1984-11-25 2446021 1984-11-16 9 AAVSO
32 11.9 2446248 1985-07-01 2446243 1985-06-26 5 SVO
33 11.2 2446464 1986-02-02 2446464 1986-02-02 0 AAVSO
34 12.8 2446676 1986-09-02 2446685 1986-09-11 -9 AAVSO
35 11.9 2446896 1987-04-10 2446906 1987-04-20 -10 SVO
36   2447116 1987-11-16 2447128 1987-11-28 -12 AAVSO
37 11.9 2447339 1988-06-26 2447349 1988-07-06 -10 SVO
38   2447556 1989-01-29 2447570 1989-02-12 -14 AAVSO
39   2447790 1989-09-20 2447792 1989-09-22 -2 AAVSO
40 12.3 2448015 1990-05-03 2448013 1990-05-01 2 SVO
41   2448231 1990-12-05 2448234 1990-12-08 -3 AAVSO
42 12.1 2448451 1991-07-13 2448455 1991-07-17 -4 SVO
43   2448677 1992-02-24 2448677 1992-02-24 0 AAVSO
44   2448893 1992-09-27 2448898 1992-10-02 -5 AAVSO
45 12.7 2449115 1993-05-07 2449119 1993-05-11 -4 SVO
46   2449330 1993-12-08 2449340 1993-12-18 -10 AAVSO
47 12.3 2449558 1994-07-24 2449562 1994-07-28 -4 SVO
48   2449779 1995-03-02 2449783 1995-03-06 -4 AAVSO
49   2449996 1995-10-05 2450004 1995-10-13 -8 AAVSO
50 12.0 2450222 1996-05-18 2450226 1996-05-22 -4 SVO
51   2450435 1996-12-17 2450447 1996-12-29 -12 AAVSO
52 11.9 2450655 1997-07-25 2450668 1997-08-07 -13 SVO
53   2450875 1998-03-02 2450889 1998-03-16 -14 AAVSO
54   2451098 1998-10-11 2451111 1998-10-24 -13 AAVSO
55 12.2 2451325 1999-05-26 2451332 1999-06-02 -7 SVO
56   2451545 2000-01-01 2451553 2000-01-09 -8 AAVSO
57 12.0 2451767 2000-08-10 2451774 2000-08-17 -7 SVO
58 11.2 2451990 2001-03-21 2451996 2001-03-27 -6 SVO
59   2452213 2001-10-30 2452217 2001-11-03 -4 AAVSO
60 11.6 2452446 2002-06-20 2452438 2002-06-12 8 SVO
61   2452666 2003-01-26 2452659 2003-01-19 7 AAVSO
62 11.6 2452882 2003-08-30 2452881 2003-08-29 1 SVO
63 12.2 2453110 2004-04-14 2453102 2004-04-06 8 SVO
64   2453329 2004-11-19 2453323 2004-11-13 6 AAVSO
65 11.8 2453553 2005-07-01 2453545 2005-06-23 8 SVO
66   2453769 2006-02-02 2453766 2006-01-30 3 AAVSO
67   2453978 2006-08-30 2453987 2006-09-08 -9 AAVSO
68 12.4 2454207 2007-04-16 2454208 2007-04-17 -1 SVO
69   2454429 2007-11-24 2454430 2007-11-25 -1 AAVSO
70 11.9 2454647 2008-06-29 2454651 2008-07-03 -4 SVO
71 11.2 2454853 2009-01-21 2454872 2009-02-09 -19 AAVSO
72 11.2 2455076 2009-09-01 2455093 2009-09-18 -17 AAVSO
73 12.2 2455309 2010-04-22 2455315 2010-04-28 -6 SVO
74   2455526 2010-11-25 2455536 2010-12-05 -10 AAVSO
75 11.2 2455745 2011-07-02 2455757 2011-07-14 -12 SVO
76 11.8 2455968 2012-02-10 2455979 2012-02-21 -11 AAVSO
77 11.6 2456180 2012-09-09 2456200 2012-09-29 -20 AAVSO
78 12.0 2456411 2013-04-28 2456421 2013-05-08 -10 SVO
79   2456627 2013-11-30 2456642 2013-12-15 -15 AAVSO
80 11.5 2456850 2014-07-11 2456864 2014-07-25 -14 SVO
81 12.1 2457069 2015-02-15 2457085 2015-03-03 -16 AAVSO
82 11.8 2457288 2015-09-22 2457306 2015-10-10 -18 AAVSO
83 12.1 2457513 2016-05-04 2457527 2016-05-18 -14 SVO
84   2457734 2016-12-11 2457749 2016-12-26 -15 AAVSO
85 11.8 2457953 2017-07-18 2457970 2017-08-04 -17 SVO
86   2458175 2018-02-25 2458191 2018-03-13 -16 SVO
87   2458390 2018-09-28 2458412 2018-10-20 -22 SVO
88 12.6 2458616 2019-05-12 2458634 2019-05-30 -18 SVO
89   2458830 2019-12-12 2458855 2020-01-06 -25 SVO
90 12.1 2459058 2020-07-27 2459076 2020-08-14 -18 SVO
91 11.9 2459274 2021-02-28 2459298 2021-03-24 -24 SVO
92   2459490 2021-10-02 2459519 2021-10-31 -29 SVO
93 12.5 2459715 2022-05-15 2459740 2022-06-09 -25 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.