Maxima for W CrB
Period: 238.4, Epoch: 2444192
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-137   2411526 1890-06-07 2411531 1890-06-12 -5 AnHar, 1937, vol 105, p 459
-134   2412246 1892-05-27 2412246 1892-05-27 0 AnHar, 1909, vol 55, p 95
-132   2412729 1893-09-22 2412723 1893-09-16 6 GuL, 1920, 1.2
-131   2412962 1894-05-13 2412962 1894-05-13 0 GuL, 1920, 1.2
-129   2413457 1895-09-20 2413438 1895-09-01 19 GuL, 1920, 1.2
-128   2413683 1896-05-03 2413677 1896-04-27 6 AnHar, 1909, vol 55, p 95
-126   2414173 1897-09-05 2414154 1897-08-17 19 AnHar, 1909, vol 55, p 95
-125   2414386 1898-04-06 2414392 1898-04-12 -6 AnHar, 1909, vol 55, p 95
-123   2414858 1899-07-22 2414869 1899-08-02 -11 AnHar, 1909, vol 55, p 95
-122   2415104 1900-03-25 2415107 1900-03-28 -3 AnHar, 1909, vol 55, p 95
-120   2415567 1901-07-01 2415584 1901-07-18 -17 AnHar, 1909, vol 55, p 95
-119   2415811 1902-03-02 2415822 1902-03-13 -11 AnHar, 1909, vol 55, p 95
-118   2416046 1902-10-23 2416061 1902-11-07 -15 AnHar, 1909, vol 55, p 95
-117   2416277 1903-06-11 2416299 1903-07-03 -22 AnHar, 1909, vol 55, p 95
-116   2416520 1904-02-09 2416538 1904-02-27 -18 AnHar, 1909, vol 55, p 95
-115   2416760 1904-10-06 2416776 1904-10-22 -16 AnHar, 1909, vol 55, p 95
-114 7.8 2417005 1905-06-08 2417014 1905-06-17 -9 AAVSO
-113   2417242 1906-01-31 2417253 1906-02-11 -11 AAVSO
-112   2417479 1906-09-25 2417491 1906-10-07 -12 AAVSO
-111 8.4 2417706 1907-05-10 2417730 1907-06-03 -24 AAVSO
-109   2418193 1908-09-08 2418206 1908-09-21 -13 AAVSO
-108 8.0 2418445 1909-05-18 2418445 1909-05-18 0 SVO
-107   2418672 1909-12-31 2418683 1910-01-11 -11 AAVSO
-106   2418926 1910-09-11 2418922 1910-09-07 4 AAVSO
-105 7.8 2419169 1911-05-12 2419160 1911-05-03 9 AAVSO
-103 8.6 2419641 1912-08-26 2419637 1912-08-22 4 SVO
-102 8.5 2419886 1913-04-28 2419875 1913-04-17 11 AAVSO
-101 8.0 2420119 1913-12-17 2420114 1913-12-12 5 AAVSO
-100 8.4 2420360 1914-08-15 2420352 1914-08-07 8 SVO
-99 8.6 2420609 1915-04-21 2420590 1915-04-02 19 SVO
-98 8.3 2420845 1915-12-13 2420829 1915-11-27 16 SVO
-97 8.8 2421082 1916-08-06 2421067 1916-07-22 15 SVO
-96 8.4 2421321 1917-04-02 2421306 1917-03-18 15 SVO
-95 8.3 2421554 1917-11-21 2421544 1917-11-11 10 SVO
-94 8.8 2421798 1918-07-23 2421782 1918-07-07 16 SVO
-93 8.2 2422031 1919-03-13 2422021 1919-03-03 10 SVO
-92 8.8 2422266 1919-11-03 2422259 1919-10-27 7 SVO
-91 8.4 2422506 1920-06-30 2422498 1920-06-22 8 SVO
-90 8.2 2422739 1921-02-18 2422736 1921-02-15 3 SVO
-89 8.2 2422969 1921-10-06 2422974 1921-10-11 -5 SVO
-88 8.8 2423210 1922-06-04 2423213 1922-06-07 -3 SVO
-87 9.2 2423449 1923-01-29 2423451 1923-01-31 -2 SVO
-86 8.1 2423679 1923-09-16 2423690 1923-09-27 -11 SVO
-85 9.6 2423924 1924-05-18 2423928 1924-05-22 -4 SVO
-84 8.5 2424156 1925-01-05 2424166 1925-01-15 -10 SVO
-83 9.0 2424403 1925-09-09 2424405 1925-09-11 -2 SVO
-82 8.5 2424642 1926-05-06 2424643 1926-05-07 -1 SVO
-81 7.8 2424868 1926-12-18 2424882 1927-01-01 -14 SVO
-80 8.4 2425111 1927-08-18 2425120 1927-08-27 -9 SVO
-79 8.9 2425358 1928-04-21 2425358 1928-04-21 0 SVO
-78 8.0 2425591 1928-12-10 2425597 1928-12-16 -6 SVO
-77 9.2 2425831 1929-08-07 2425835 1929-08-11 -4 SVO
-76 9.1 2426071 1930-04-04 2426074 1930-04-07 -3 SVO
-75 8.0 2426300 1930-11-19 2426312 1930-12-01 -12 SVO
-74 8.6 2426543 1931-07-20 2426550 1931-07-27 -7 SVO
-73 8.0 2426772 1932-03-05 2426789 1932-03-22 -17 SVO
-72 8.8 2427020 1932-11-08 2427027 1932-11-15 -7 SVO
-71 8.4 2427251 1933-06-27 2427266 1933-07-12 -15 SVO
-70 8.7 2427491 1934-02-22 2427504 1934-03-07 -13 SVO
-69 7.9 2427723 1934-10-12 2427742 1934-10-31 -19 SVO
-68 9.2 2427965 1935-06-11 2427981 1935-06-27 -16 SVO
-67 8.3 2428192 1936-01-24 2428219 1936-02-20 -27 SVO
-66 8.1 2428438 1936-09-26 2428458 1936-10-16 -20 SVO
-65 8.3 2428680 1937-05-26 2428696 1937-06-11 -16 SVO
-64 8.5 2428922 1938-01-23 2428934 1938-02-04 -12 SVO
-63 8.0 2429156 1938-09-14 2429173 1938-10-01 -17 SVO
-62 8.7 2429396 1939-05-12 2429411 1939-05-27 -15 SVO
-61 8.7 2429638 1940-01-09 2429650 1940-01-21 -12 SVO
-60 8.2 2429871 1940-08-29 2429888 1940-09-15 -17 SVO
-59 8.5 2430111 1941-04-26 2430126 1941-05-11 -15 SVO
-58   2430355 1941-12-26 2430365 1942-01-05 -10 AAVSO
-57 8.4 2430589 1942-08-17 2430603 1942-08-31 -14 SVO
-56 8.4 2430832 1943-04-17 2430842 1943-04-27 -10 SVO
-55 8.4 2431053 1943-11-24 2431080 1943-12-21 -27 SVO
-54 8.1 2431295 1944-07-23 2431318 1944-08-15 -23 SVO
-53 8.8 2431535 1945-03-20 2431557 1945-04-11 -22 SVO
-52 8.3 2431764 1945-11-04 2431795 1945-12-05 -31 SVO
-51 9.1 2432006 1946-07-04 2432034 1946-08-01 -28 SVO
-50 8.2 2432255 1947-03-10 2432272 1947-03-27 -17 AAVSO
-49 8.4 2432483 1947-10-24 2432510 1947-11-20 -27 SVO
-48 8.1 2432713 1948-06-10 2432749 1948-07-16 -36 SVO
-47 8.6 2432957 1949-02-09 2432987 1949-03-11 -30 AAVSO
-46 8.6 2433194 1949-10-04 2433226 1949-11-05 -32 SVO
-45 8.1 2433432 1950-05-30 2433464 1950-07-01 -32 SVO
-44   2433661 1951-01-14 2433702 1951-02-24 -41 AAVSO
-43 8.2 2433899 1951-09-09 2433941 1951-10-21 -42 SVO
-42 8.9 2434143 1952-05-10 2434179 1952-06-15 -36 SVO
-41 8.5 2434376 1952-12-29 2434418 1953-02-09 -42 SVO
-40 8.5 2434617 1953-08-27 2434656 1953-10-05 -39 SVO
-39 8.4 2434858 1954-04-25 2434894 1954-05-31 -36 SVO
-38 8.4 2435091 1954-12-14 2435133 1955-01-25 -42 SVO
-37 8.1 2435326 1955-08-06 2435371 1955-09-20 -45 SVO
-36 9.0 2435571 1956-04-07 2435610 1956-05-16 -39 SVO
-35 8.5 2435798 1956-11-20 2435848 1957-01-09 -50 AAVSO
-34 9.0 2436048 1957-07-28 2436086 1957-09-04 -38 SVO
-33 8.7 2436296 1958-04-02 2436325 1958-05-01 -29 SVO
-32 8.3 2436525 1958-11-17 2436563 1958-12-25 -38 SVO
-31 9.0 2436767 1959-07-17 2436802 1959-08-21 -35 SVO
-30 9.0 2437003 1960-03-09 2437040 1960-04-15 -37 AAVSO
-29 8.4 2437251 1960-11-12 2437278 1960-12-09 -27 SVO
-28 8.3 2437489 1961-07-08 2437517 1961-08-05 -28 SVO
-27 9.0 2437739 1962-03-15 2437755 1962-03-31 -16 SVO
-26 8.0 2437970 1962-11-01 2437994 1962-11-25 -24 SVO
-25 8.7 2438208 1963-06-27 2438232 1963-07-21 -24 SVO
-24 8.4 2438450 1964-02-24 2438470 1964-03-15 -20 SVO
-23 8.0 2438683 1964-10-14 2438709 1964-11-09 -26 SVO
-22 9.1 2438933 1965-06-21 2438947 1965-07-05 -14 SVO
-21 8.5 2439172 1966-02-15 2439186 1966-03-01 -14 SVO
-20 8.4 2439408 1966-10-09 2439424 1966-10-25 -16 SVO
-19 8.6 2439653 1967-06-11 2439662 1967-06-20 -9 SVO
-18 8.3 2439895 1968-02-08 2439901 1968-02-14 -6 SVO
-17 8.0 2440128 1968-09-28 2440139 1968-10-09 -11 SVO
-16 8.5 2440369 1969-05-27 2440378 1969-06-05 -9 SVO
-15 8.7 2440611 1970-01-24 2440616 1970-01-29 -5 SVO
-14 8.1 2440847 1970-09-17 2440854 1970-09-24 -7 SVO
-13 8.6 2441091 1971-05-19 2441093 1971-05-21 -2 SVO
-12 8.0 2441328 1972-01-11 2441331 1972-01-14 -3 SVO
-11 8.7 2441574 1972-09-13 2441570 1972-09-09 4 SVO
-10 8.3 2441809 1973-05-06 2441808 1973-05-05 1 SVO
-9 8.2 2442042 1973-12-25 2442046 1973-12-29 -4 SVO
-8 8.1 2442287 1974-08-27 2442285 1974-08-25 2 SVO
-7 8.7 2442530 1975-04-27 2442523 1975-04-20 7 SVO
-6 8.2 2442768 1975-12-21 2442762 1975-12-15 6 SVO
-5 8.5 2443005 1976-08-14 2443000 1976-08-09 5 SVO
-4 7.9 2443232 1977-03-29 2443238 1977-04-04 -6 SVO
-3 8.8 2443481 1977-12-03 2443477 1977-11-29 4 SVO
-2 8.5 2443720 1978-07-30 2443715 1978-07-25 5 SVO
-1 8.6 2443954 1979-03-21 2443954 1979-03-21 0 SVO
0 8.5 2444192 1979-11-14 2444192 1979-11-14 0 SVO
1 8.2 2444431 1980-07-10 2444430 1980-07-09 1 SVO
2 8.3 2444672 1981-03-08 2444669 1981-03-05 3 SVO
3 8.0 2444904 1981-10-26 2444907 1981-10-29 -3 SVO
4 8.2 2445145 1982-06-24 2445146 1982-06-25 -1 SVO
5 8.4 2445380 1983-02-14 2445384 1983-02-18 -4 SVO
6 8.2 2445617 1983-10-09 2445622 1983-10-14 -5 SVO
7 8.3 2445852 1984-05-31 2445861 1984-06-09 -9 SVO
8 8.9 2446090 1985-01-24 2446099 1985-02-02 -9 SVO
9 8.1 2446320 1985-09-11 2446338 1985-09-29 -18 SVO
10 8.8 2446565 1986-05-14 2446576 1986-05-25 -11 SVO
11 8.5 2446799 1987-01-03 2446814 1987-01-18 -15 SVO
12 8.6 2447041 1987-09-02 2447053 1987-09-14 -12 SVO
13 8.4 2447279 1988-04-27 2447291 1988-05-09 -12 SVO
14 8.4 2447518 1988-12-22 2447530 1989-01-03 -12 SVO
15 8.4 2447765 1989-08-26 2447768 1989-08-29 -3 SVO
16 8.5 2448002 1990-04-20 2448006 1990-04-24 -4 SVO
17 8.0 2448233 1990-12-07 2448245 1990-12-19 -12 SVO
18 8.8 2448487 1991-08-18 2448483 1991-08-14 4 SVO
19 8.9 2448730 1992-04-17 2448722 1992-04-09 8 SVO
20 8.0 2448961 1992-12-04 2448960 1992-12-03 1 SVO
21 8.4 2449200 1993-07-31 2449198 1993-07-29 2 SVO
22 8.6 2449445 1994-04-02 2449437 1994-03-25 8 SVO
23 8.6 2449687 1994-11-30 2449675 1994-11-18 12 SVO
24 8.1 2449920 1995-07-21 2449914 1995-07-15 6 SVO
25 9.4 2450165 1996-03-22 2450152 1996-03-09 13 SVO
26 8.8 2450399 1996-11-11 2450390 1996-11-02 9 SVO
27 8.2 2450633 1997-07-03 2450629 1997-06-29 4 SVO
28 9.1 2450870 1998-02-25 2450867 1998-02-22 3 SVO
29 8.5 2451109 1998-10-22 2451106 1998-10-19 3 SVO
30 8.3 2451348 1999-06-18 2451344 1999-06-14 4 SVO
31 8.2 2451584 2000-02-09 2451582 2000-02-07 2 SVO
32 9.0 2451824 2000-10-06 2451821 2000-10-03 3 SVO
33 8.8 2452072 2001-06-11 2452059 2001-05-29 13 SVO
34 8.7 2452315 2002-02-09 2452298 2002-01-23 17 SVO
35 8.6 2452550 2002-10-02 2452536 2002-09-18 14 SVO
36 7.9 2452782 2003-05-22 2452774 2003-05-14 8 SVO
37 9.2 2453028 2004-01-23 2453013 2004-01-08 15 SVO
38 8.5 2453266 2004-09-17 2453251 2004-09-02 15 SVO
39 8.6 2453500 2005-05-09 2453490 2005-04-29 10 SVO
40 8.7 2453751 2006-01-15 2453728 2005-12-23 23 SVO
41 8.0 2453981 2006-09-02 2453966 2006-08-18 15 SVO
42 8.3 2454229 2007-05-08 2454205 2007-04-14 24 SVO
43 8.7 2454478 2008-01-12 2454443 2007-12-08 35 SVO
44 8.1 2454717 2008-09-07 2454682 2008-08-03 35 SVO
45 8.5 2454961 2009-05-09 2454920 2009-03-29 41 SVO
46 8.5 2455199 2010-01-02 2455158 2009-11-22 41 SVO
47 8.6 2455436 2010-08-27 2455397 2010-07-19 39 SVO
48 8.9 2455682 2011-04-30 2455635 2011-03-14 47 SVO
49 8.6 2455922 2011-12-26 2455874 2011-11-08 48 SVO
50 8.5 2456163 2012-08-23 2456112 2012-07-03 51 SVO
51 8.6 2456403 2013-04-20 2456350 2013-02-26 53 SVO
52 8.5 2456639 2013-12-12 2456589 2013-10-23 50 SVO
53 8.5 2456872 2014-08-02 2456827 2014-06-18 45 SVO
54 9.5 2457125 2015-04-12 2457066 2015-02-12 59 SVO
55 8.9 2457366 2015-12-09 2457304 2015-10-08 62 SVO
56 8.6 2457601 2016-07-31 2457542 2016-06-02 59 SVO
57 8.5 2457836 2017-03-23 2457781 2017-01-27 55 SVO
58 8.3 2458071 2017-11-13 2458019 2017-09-22 52 SVO
59 8.8 2458305 2018-07-05 2458258 2018-05-19 47 SVO
60 8.6 2458542 2019-02-27 2458496 2019-01-12 46 SVO
61 8.6 2458778 2019-10-21 2458734 2019-09-07 44 SVO
62 8.4 2459010 2020-06-09 2458973 2020-05-03 37 SVO
63 8.5 2459245 2021-01-30 2459211 2020-12-27 34 SVO
64 9.0 2459483 2021-09-25 2459450 2021-08-23 33 SVO
65 8.6 2459717 2022-05-17 2459688 2022-04-18 29 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.