Maxima for TY Cyg
Period: 349, Epoch: 2441875
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-76   2415346 1900-11-22 2415351 1900-11-27 -5 AnHar, 1909, vol 55, p 95
-75   2415700 1901-11-11 2415700 1901-11-11 0 AnHar, 1909, vol 55, p 95
-74   2416050 1902-10-27 2416049 1902-10-26 1 AnHar, 1909, vol 55, p 95
-73   2416395 1903-10-07 2416398 1903-10-10 -3 AnHar, 1909, vol 55, p 95
-72   2416760 1904-10-06 2416747 1904-09-23 13 AAVSO
-71 9.5 2417115 1905-09-26 2417096 1905-09-07 19 AAVSO
-70 10.0 2417472 1906-09-18 2417445 1906-08-22 27 AAVSO
-69 8.6 2417822 1907-09-03 2417794 1907-08-06 28 AAVSO
-68 9.6 2418181 1908-08-27 2418143 1908-07-20 38 AAVSO
-67 9.6 2418521 1909-08-02 2418492 1909-07-04 29 AAVSO
-66 9.8 2418878 1910-07-25 2418841 1910-06-18 37 AAVSO
-65   2419247 1911-07-29 2419190 1911-06-02 57 AAVSO
-62 9.5 2420293 1914-06-09 2420237 1914-04-14 56 AAVSO
-61 9.0 2420611 1915-04-23 2420586 1915-03-29 25 AAVSO
-60 9.0 2420976 1916-04-22 2420935 1916-03-12 41 AAVSO
-59 9.4 2421314 1917-03-26 2421284 1917-02-24 30 AAVSO
-58 9.7 2421665 1918-03-12 2421633 1918-02-08 32 SVO
-57   2421993 1919-02-03 2421982 1919-01-23 11 AAVSO
-56   2422339 1920-01-15 2422331 1920-01-07 8 AAVSO
-55 9.6 2422690 1920-12-31 2422680 1920-12-21 10 AAVSO
-54 9.5 2423039 1921-12-15 2423029 1921-12-05 10 AAVSO
-53 9.6 2423378 1922-11-19 2423378 1922-11-19 0 SVO
-52 9.5 2423719 1923-10-26 2423727 1923-11-03 -8 SVO
-51 9.3 2424058 1924-09-29 2424076 1924-10-17 -18 SVO
-50 9.6 2424398 1925-09-04 2424425 1925-10-01 -27 SVO
-49 9.4 2424746 1926-08-18 2424774 1926-09-15 -28 SVO
-48 9.4 2425090 1927-07-28 2425123 1927-08-30 -33 SVO
-47 9.6 2425431 1928-07-03 2425472 1928-08-13 -41 SVO
-46 9.5 2425774 1929-06-11 2425821 1929-07-28 -47 SVO
-45 9.6 2426113 1930-05-16 2426170 1930-07-12 -57 SVO
-44 9.7 2426463 1931-05-01 2426519 1931-06-26 -56 SVO
-43 9.7 2426815 1932-04-17 2426868 1932-06-09 -53 SVO
-42 9.7 2427156 1933-03-24 2427217 1933-05-24 -61 SVO
-41 9.8 2427511 1934-03-14 2427566 1934-05-08 -55 SVO
-40 9.4 2427863 1935-03-01 2427915 1935-04-22 -52 SVO
-39 9.3 2428217 1936-02-18 2428264 1936-04-05 -47 SVO
-38 10.4 2428574 1937-02-09 2428613 1937-03-20 -39 SVO
-37 9.3 2428920 1938-01-21 2428962 1938-03-04 -42 SVO
-36 9.8 2429285 1939-01-21 2429311 1939-02-16 -26 SVO
-35   2429633 1940-01-04 2429660 1940-01-31 -27 AAVSO
-34 9.4 2429984 1940-12-20 2430009 1941-01-14 -25 AAVSO
-33   2430351 1941-12-22 2430358 1941-12-29 -7 AAVSO
-32 9.6 2430695 1942-12-01 2430707 1942-12-13 -12 AAVSO
-31 9.9 2431062 1943-12-03 2431056 1943-11-27 6 SVO
-30 9.3 2431425 1944-11-30 2431405 1944-11-10 20 AAVSO
-29 9.5 2431775 1945-11-15 2431754 1945-10-25 21 SVO
-28 9.7 2432140 1946-11-15 2432103 1946-10-09 37 SVO
-27 9.9 2432489 1947-10-30 2432452 1947-09-23 37 SVO
-26 9.3 2432854 1948-10-29 2432801 1948-09-06 53 SVO
-25 10.1 2433205 1949-10-15 2433150 1949-08-21 55 SVO
-24 9.5 2433566 1950-10-11 2433499 1950-08-05 67 SVO
-23 9.9 2433919 1951-09-29 2433848 1951-07-20 71 SVO
-22 9.3 2434272 1952-09-16 2434197 1952-07-03 75 SVO
-21 10.3 2434638 1953-09-17 2434546 1953-06-17 92 SVO
-20 9.4 2434976 1954-08-21 2434895 1954-06-01 81 SVO
-19 10.4 2435334 1955-08-14 2435244 1955-05-16 90 SVO
-18 9.3 2435685 1956-07-30 2435593 1956-04-29 92 SVO
-17 10.6 2436039 1957-07-19 2435942 1957-04-13 97 SVO
-16 9.8 2436377 1958-06-22 2436291 1958-03-28 86 SVO
-15 9.5 2436709 1959-05-20 2436640 1959-03-12 69 AAVSO
-14 9.7 2437063 1960-05-08 2436989 1960-02-24 74 AAVSO
-13 9.6 2437414 1961-04-24 2437338 1961-02-07 76 AAVSO
-12 9.6 2437754 1962-03-30 2437687 1962-01-22 67 SVO
-11 9.6 2438090 1963-03-01 2438036 1963-01-06 54 SVO
-10 9.8 2438447 1964-02-21 2438385 1963-12-21 62 SVO
-9 10.0 2438791 1965-01-30 2438734 1964-12-04 57 SVO
-8 9.8 2439136 1966-01-10 2439083 1965-11-18 53 SVO
-7 10.1 2439488 1966-12-28 2439432 1966-11-02 56 SVO
-6 10.0 2439821 1967-11-26 2439781 1967-10-17 40 SVO
-5 9.7 2440164 1968-11-03 2440130 1968-09-30 34 SVO
-4 9.8 2440505 1969-10-10 2440479 1969-09-14 26 SVO
-3 9.7 2440846 1970-09-16 2440828 1970-08-29 18 SVO
-2 9.7 2441190 1971-08-26 2441177 1971-08-13 13 SVO
-1 9.6 2441527 1972-07-28 2441526 1972-07-27 1 SVO
0 9.7 2441868 1973-07-04 2441875 1973-07-11 -7 SVO
1 9.7 2442213 1974-06-14 2442224 1974-06-25 -11 SVO
2 9.4 2442557 1975-05-24 2442573 1975-06-09 -16 SVO
3 9.6 2442895 1976-04-26 2442922 1976-05-23 -27 SVO
4 9.4 2443247 1977-04-13 2443271 1977-05-07 -24 SVO
5 9.5 2443607 1978-04-08 2443620 1978-04-21 -13 SVO
6 10.5 2443948 1979-03-15 2443969 1979-04-05 -21 AAVSO
7 9.7 2444289 1980-02-19 2444318 1980-03-19 -29 SVO
8 9.9 2444647 1981-02-11 2444667 1981-03-03 -20 SVO
9 9.9 2445005 1982-02-04 2445016 1982-02-15 -11 SVO
10 10.0 2445363 1983-01-28 2445365 1983-01-30 -2 SVO
11 9.5 2445710 1984-01-10 2445714 1984-01-14 -4 SVO
12 9.8 2446077 1985-01-11 2446063 1984-12-28 14 SVO
13 10.0 2446430 1985-12-30 2446412 1985-12-12 18 SVO
14 9.6 2446783 1986-12-18 2446761 1986-11-26 22 SVO
15 9.6 2447142 1987-12-12 2447110 1987-11-10 32 SVO
16 9.8 2447499 1988-12-03 2447459 1988-10-24 40 SVO
17 9.3 2447858 1989-11-27 2447808 1989-10-08 50 SVO
18 10.1 2448222 1990-11-26 2448157 1990-09-22 65 SVO
19 9.8 2448583 1991-11-22 2448506 1991-09-06 77 SVO
20 9.5 2448940 1992-11-13 2448855 1992-08-20 85 SVO
21 9.9 2449300 1993-11-08 2449204 1993-08-04 96 SVO
22 9.4 2449650 1994-10-24 2449553 1994-07-19 97 SVO
23 10.0 2450012 1995-10-21 2449902 1995-07-03 110 SVO
24 9.5 2450366 1996-10-09 2450251 1996-06-16 115 SVO
25 9.9 2450734 1997-10-12 2450600 1997-05-31 134 SVO
26 9.7 2451093 1998-10-06 2450949 1998-05-15 144 SVO
27 9.9 2451449 1999-09-27 2451298 1999-04-29 151 SVO
28 9.4 2451803 2000-09-15 2451647 2000-04-12 156 SVO
29 9.9 2452166 2001-09-13 2451996 2001-03-27 170 SVO
30 9.6 2452525 2002-09-07 2452345 2002-03-11 180 SVO
31 9.9 2452880 2003-08-28 2452694 2003-02-23 186 SVO
32 9.5 2453231 2004-08-13 2453043 2004-02-07 188 SVO
33 9.5 2453589 2005-08-06 2453392 2005-01-21 197 SVO
34 9.9 2453944 2006-07-27 2453741 2006-01-05 203 SVO
35 9.6 2454296 2007-07-14 2454090 2006-12-20 206 SVO
36 9.7 2454642 2008-06-24 2454439 2007-12-04 203 SVO
37 10.2 2455000 2009-06-17 2454788 2008-11-17 212 SVO
38 9.6 2455348 2010-05-31 2455137 2009-11-01 211 SVO
39 9.6 2455688 2011-05-06 2455486 2010-10-16 202 SVO
40 10.0 2456041 2012-04-23 2455835 2011-09-30 206 SVO
41 9.8 2456388 2013-04-05 2456184 2012-09-13 204 SVO
42 10.0 2456731 2014-03-14 2456533 2013-08-28 198 SVO
43 10.3 2457078 2015-02-24 2456882 2014-08-12 196 SVO
44 10.0 2457418 2016-01-30 2457231 2015-07-27 187 SVO
45 9.4 2457759 2017-01-05 2457580 2016-07-10 179 SVO
46 10.0 2458104 2017-12-16 2457929 2017-06-24 175 SVO
47 9.9 2458451 2018-11-28 2458278 2018-06-08 173 SVO
48 9.8 2458798 2019-11-10 2458627 2019-05-23 171 SVO
49 9.4 2459141 2020-10-18 2458976 2020-05-06 165 SVO
50 9.7 2459492 2021-10-04 2459325 2021-04-20 167 SVO
51 9.9 2459842 2022-09-19 2459674 2022-04-04 168 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.