Maxima for WY Cyg
Period: 304.54, Epoch: 2444832
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-103   2413425 1895-08-19 2413464 1895-09-27 -39 SVO
-102   2413740 1896-06-29 2413769 1896-07-28 -29 SVO
-101   2414049 1897-05-04 2414073 1897-05-28 -24 SVO
-100   2414360 1898-03-11 2414378 1898-03-29 -18 SVO
-99   2414670 1899-01-15 2414683 1899-01-28 -13 SVO
-98   2414961 1899-11-02 2414987 1899-11-28 -26 SVO
-97   2415278 1900-09-15 2415292 1900-09-29 -14 AnHar, 1909, vol 55, p 95
-96   2415580 1901-07-14 2415596 1901-07-30 -16 SVO
-95   2415890 1902-05-20 2415901 1902-05-31 -11 SVO
-93   2416510 1904-01-30 2416510 1904-01-30 0 SVO
-92   2416810 1904-11-25 2416814 1904-11-29 -4 AnHar, 1952, vol 118, AN, 1935, vol 255, p 341
-91   2417120 1905-10-01 2417119 1905-09-30 1 SVO
-90   2417426 1906-08-03 2417423 1906-07-31 3 SVO
-89   2417735 1907-06-08 2417728 1907-06-01 7 SVO
-88   2418045 1908-04-13 2418032 1908-03-31 13 SVO
-87   2418340 1909-02-02 2418337 1909-01-30 3 GuL, 1920, 1.2
-86   2418648 1909-12-07 2418642 1909-12-01 6 AN, 1935, vol 255, p 341
-85   2418948 1910-10-03 2418946 1910-10-01 2 AN, 1935, vol 255, p 341
-84   2419255 1911-08-06 2419251 1911-08-02 4 AN, 1935, vol 255, p 341
-83   2419565 1912-06-11 2419555 1912-06-01 10 SVO
-82   2419868 1913-04-10 2419860 1913-04-02 8 GuL, 1920, 1.2
-81   2420160 1914-01-27 2420164 1914-01-31 -4 AN, 1935, vol 255, p 341
-80   2420464 1914-11-27 2420469 1914-12-02 -5 AN, 1935, vol 255, p 341
-79   2420773 1915-10-02 2420773 1915-10-02 0 AN, 1935, vol 255, p 341
-78   2421071 1916-07-26 2421078 1916-08-02 -7 AN, 1935, vol 255, p 341
-77   2421366 1917-05-17 2421382 1917-06-02 -16 GuL, 1920, 1.2
-76   2421660 1918-03-07 2421687 1918-04-03 -27 AN, 1935, vol 255, p 341
-75   2421964 1919-01-05 2421992 1919-02-02 -28 AN, 1935, vol 255, p 341
-74   2422255 1919-10-23 2422296 1919-12-03 -41 AN, 1935, vol 255, p 341
-73   2422570 1920-09-02 2422601 1920-10-03 -31 SVO
-72   2422870 1921-06-29 2422905 1921-08-03 -35 AN, 1935, vol 255, p 341
-71   2423188 1922-05-13 2423210 1922-06-04 -22 AN, 1935, vol 255, p 341
-69   2423785 1923-12-31 2423819 1924-02-03 -34 SVO
-68   2424084 1924-10-25 2424123 1924-12-03 -39 SVO
-67   2424380 1925-08-17 2424428 1925-10-04 -48 AN, 1935, vol 255, p 341
-66   2424692 1926-06-25 2424732 1926-08-04 -40 AN, 1935, vol 255, p 341
-65   2424986 1927-04-15 2425037 1927-06-05 -51 AN, 1935, vol 255, p 341
-64   2425290 1928-02-13 2425341 1928-04-04 -51 AN, 1935, vol 255, p 341
-63   2425600 1928-12-19 2425646 1929-02-03 -46 SVO
-62   2425912 1929-10-27 2425951 1929-12-05 -39 AN, 1935, vol 255, p 341
-61   2426212 1930-08-23 2426255 1930-10-05 -43 AN, 1935, vol 255, p 341
-60   2426526 1931-07-03 2426560 1931-08-06 -34 AN, 1935, vol 255, p 341, AnHar, 1952, vol 118
-59   2426830 1932-05-02 2426864 1932-06-05 -34 AN, 1935, vol 255, p 341
-56   2427753 1934-11-11 2427778 1934-12-06 -25 SVO
-55   2428054 1935-09-08 2428082 1935-10-06 -28 SVO
-54   2428360 1936-07-10 2428387 1936-08-06 -27 SVO
-53   2428675 1937-05-21 2428691 1937-06-06 -16 SVO
-51   2429280 1939-01-16 2429300 1939-02-05 -20 SVO
-50   2429589 1939-11-21 2429605 1939-12-07 -16 AN, 1942, vol 272, p 228, AnHar, 1952, vol 118
-49   2429897 1940-09-24 2429910 1940-10-07 -13 AN, 1942, vol 272, p 228
-48   2430179 1941-07-03 2430214 1941-08-07 -35 SVO
-45   2431105 1944-01-15 2431128 1944-02-07 -23 SVO
-44   2431400 1944-11-05 2431432 1944-12-07 -32 SVO
-43   2431713 1945-09-14 2431737 1945-10-08 -24 SVO
-42   2432002 1946-06-30 2432041 1946-08-08 -39 SVO
-38   2433220 1949-10-30 2433259 1949-12-08 -39 SVO
-37   2433523 1950-08-29 2433564 1950-10-09 -41 SVO
-36   2433835 1951-07-07 2433869 1951-08-10 -34 SVO
-32   2435070 1954-11-23 2435087 1954-12-10 -17 SVO
-25   2437200 1960-09-22 2437219 1960-10-11 -19 MmSAI, 1967, vol 38, p 139
-24   2437497 1961-07-16 2437523 1961-08-11 -26 MmSAI, 1967, vol 38, p 139
-20   2438725 1964-11-25 2438741 1964-12-11 -16 SVO
-19 8.5 2439026 1965-09-22 2439046 1965-10-12 -20 SVO
-18 8.8 2439339 1966-08-01 2439350 1966-08-12 -11 SVO
-17 9.2 2439656 1967-06-14 2439655 1967-06-13 1 SVO
-16   2439960 1968-04-13 2439959 1968-04-12 1 SVO
-14   2440565 1969-12-09 2440568 1969-12-12 -3 SVO
-13 8.9 2440874 1970-10-14 2440873 1970-10-13 1 SVO
-12 9.0 2441168 1971-08-04 2441178 1971-08-14 -10 SVO
-11 9.0 2441475 1972-06-06 2441482 1972-06-13 -7 SVO
-10   2441780 1973-04-07 2441787 1973-04-14 -7 SVO
-9 8.9 2442083 1974-02-04 2442091 1974-02-12 -8 SVO
-8 9.3 2442383 1974-12-01 2442396 1974-12-14 -13 SVO
-7 9.7 2442689 1975-10-03 2442700 1975-10-14 -11 SVO
-6 9.0 2442993 1976-08-02 2443005 1976-08-14 -12 SVO
-5 9.4 2443297 1977-06-02 2443309 1977-06-14 -12 SVO
-4   2443600 1978-04-01 2443614 1978-04-15 -14 SVO
-3 9.2 2443901 1979-01-27 2443918 1979-02-13 -17 SVO
-2 9.1 2444200 1979-11-22 2444223 1979-12-15 -23 SVO
-1 9.8 2444512 1980-09-29 2444527 1980-10-14 -15 SVO
0 10.0 2444824 1981-08-07 2444832 1981-08-15 -8 SVO
1 8.8 2445124 1982-06-03 2445137 1982-06-16 -13 SVO
2 10.0 2445434 1983-04-09 2445441 1983-04-16 -7 SVO
3 9.5 2445744 1984-02-13 2445746 1984-02-15 -2 SVO
4 9.6 2446046 1984-12-11 2446050 1984-12-15 -4 SVO
5 9.0 2446348 1985-10-09 2446355 1985-10-16 -7 SVO
6 9.7 2446652 1986-08-09 2446659 1986-08-16 -7 SVO
7 9.3 2446963 1987-06-16 2446964 1987-06-17 -1 SVO
8 9.5 2447260 1988-04-08 2447268 1988-04-16 -8 SVO
9 9.0 2447559 1989-02-01 2447573 1989-02-15 -14 SVO
10 9.6 2447871 1989-12-10 2447877 1989-12-16 -6 SVO
11 9.4 2448175 1990-10-10 2448182 1990-10-17 -7 SVO
12 9.3 2448482 1991-08-13 2448486 1991-08-17 -4 SVO
13 9.0 2448783 1992-06-09 2448791 1992-06-17 -8 SVO
14 9.3 2449081 1993-04-03 2449096 1993-04-18 -15 SVO
15 9.2 2449377 1994-01-24 2449400 1994-02-16 -23 SVO
16 9.5 2449688 1994-12-01 2449705 1994-12-18 -17 SVO
17 9.3 2449994 1995-10-03 2450009 1995-10-18 -15 SVO
18 9.5 2450290 1996-07-25 2450314 1996-08-18 -24 SVO
19 9.0 2450589 1997-05-20 2450618 1997-06-18 -29 SVO
20 9.8 2450899 1998-03-26 2450923 1998-04-19 -24 SVO
21 9.7 2451203 1999-01-24 2451227 1999-02-17 -24 SVO
22 9.1 2451508 1999-11-25 2451532 1999-12-19 -24 SVO
23 9.6 2451808 2000-09-20 2451836 2000-10-18 -28 SVO
24 9.1 2452108 2001-07-17 2452141 2001-08-19 -33 SVO
25 9.7 2452412 2002-05-17 2452446 2002-06-20 -34 SVO
26 9.6 2452712 2003-03-13 2452750 2003-04-20 -38 SVO
27 9.0 2453016 2004-01-11 2453055 2004-02-19 -39 SVO
28 9.6 2453322 2004-11-12 2453359 2004-12-19 -37 SVO
29 9.3 2453628 2005-09-14 2453664 2005-10-20 -36 SVO
30 9.1 2453934 2006-07-17 2453968 2006-08-20 -34 SVO
31 9.1 2454252 2007-05-31 2454273 2007-06-21 -21 SVO
32 9.3 2454559 2008-04-02 2454577 2008-04-20 -18 SVO
33 9.5 2454875 2009-02-12 2454882 2009-02-19 -7 SVO
34 9.1 2455185 2009-12-19 2455186 2009-12-20 -1 SVO
35 9.1 2455503 2010-11-02 2455491 2010-10-21 12 SVO
36 9.3 2455805 2011-08-31 2455795 2011-08-21 10 SVO
37 9.8 2456121 2012-07-12 2456100 2012-06-21 21 SVO
38 9.2 2456428 2013-05-15 2456405 2013-04-22 23 SVO
39   2456740 2014-03-23 2456709 2014-02-20 31 SVO
40 9.6 2457039 2015-01-16 2457014 2014-12-22 25 SVO
41 9.1 2457346 2015-11-19 2457318 2015-10-22 28 SVO
42 9.4 2457650 2016-09-18 2457623 2016-08-22 27 SVO
43 9.3 2457957 2017-07-22 2457927 2017-06-22 30 SVO
44   2458265 2018-05-26 2458232 2018-04-23 33 SVO
45 9.2 2458565 2019-03-22 2458536 2019-02-21 29 SVO
46 9.1 2458875 2020-01-26 2458841 2019-12-23 34 SVO
47 8.8 2459173 2020-11-19 2459145 2020-10-22 28 SVO
48 9.6 2459486 2021-09-28 2459450 2021-08-23 36 SVO
49 8.9 2459788 2022-07-27 2459754 2022-06-23 34 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.