Maxima for AU Cyg
Period: 434.01, Epoch: 2442330.6

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-68   2412744 1893-10-07 2412818 1893-12-20 -74 GuL, 1920, 1.2
-63   2414940 1899-10-12 2414988 1899-11-29 -48 SVO
-62   2415370 1900-12-16 2415422 1901-02-06 -52 SVO
-60   2416280 1903-06-14 2416290 1903-06-24 -10 SVO
-59   2416712 1904-08-19 2416724 1904-08-31 -12 SVO
-58   2417145 1905-10-26 2417158 1905-11-08 -13 SVO
-55   2418470 1909-06-12 2418460 1909-06-02 10 SVO
-54   2418890 1910-08-06 2418894 1910-08-10 -4 AnHar, 1952, vol 118
-53   2419350 1911-11-09 2419328 1911-10-18 22 SVO
-50   2420660 1915-06-11 2420630 1915-05-12 30 SVO
-49   2421100 1916-08-24 2421064 1916-07-19 36 AnHar, 1952, vol 118
-48   2421520 1917-10-18 2421498 1917-09-26 22 SVO
-47   2421955 1918-12-27 2421932 1918-12-04 23 SVO
-45   2422810 1921-04-30 2422800 1921-04-20 10 AnHar, 1952, vol 118
-44   2423260 1922-07-24 2423234 1922-06-28 26 SVO
-43   2423690 1923-09-27 2423668 1923-09-05 22 AnHar, 1952, vol 118
-39   2425440 1928-07-12 2425404 1928-06-06 36 AnHar, 1952, vol 118
-38   2425859 1929-09-04 2425838 1929-08-14 21 AnHar, 1952, vol 118, GuL, 1936, 2.2
-37   2426300 1930-11-19 2426272 1930-10-22 28 AnHar, 1952, vol 118
-36   2426727 1932-01-20 2426706 1931-12-30 21 GuL, 1936, 2.2
-35   2427147 1933-03-15 2427140 1933-03-08 7 GuL, 1936, 2.2
-34   2427580 1934-05-22 2427574 1934-05-16 6 AnHar, 1952, vol 118
-33   2428003 1935-07-19 2428008 1935-07-24 -5 AnHar, 1952, vol 118, GuL, 1936, 2.2
-32   2428440 1936-09-28 2428442 1936-09-30 -2 AnHar, 1952, vol 118
-31   2428870 1937-12-02 2428876 1937-12-08 -6 SVO
-28   2430174 1941-06-28 2430178 1941-07-02 -4 SVO
-27   2430603 1942-08-31 2430612 1942-09-09 -9 SVO
-25   2431460 1945-01-04 2431480 1945-01-24 -20 SVO
-23   2432340 1947-06-03 2432348 1947-06-11 -8 SVO
-22   2432780 1948-08-16 2432782 1948-08-18 -2 SVO
-21   2433214 1949-10-24 2433216 1949-10-26 -2 GuL, 1957, 2.4
-11   2437560 1961-09-17 2437556 1961-09-13 4 MitVS, 1967, vol 4, p 150
-10   2438020 1962-12-21 2437990 1962-11-21 30 MitVS, 1967, vol 4, p 150
-9   2438422 1964-01-27 2438424 1964-01-29 -2 MitVS, 1967, vol 4, p 150
-8   2438882 1965-05-01 2438859 1965-04-08 23 MitVS, 1967, vol 4, p 150
-7   2439293 1966-06-16 2439293 1966-06-16 0 MitVS, 1967, vol 4, p 150
-6   2439740 1967-09-06 2439727 1967-08-24 13 SVO
-5   2440176 1968-11-15 2440161 1968-10-31 15 JRASC, 1970, vol 64, p 117
-4   2440610 1970-01-23 2440595 1970-01-08 15 SVO
-3   2441050 1971-04-08 2441029 1971-03-18 21 SVO
-2   2441490 1972-06-21 2441463 1972-05-25 27 SVO
-1   2441920 1973-08-25 2441897 1973-08-02 23 SVO
0 9.8 2442342 1974-10-21 2442331 1974-10-10 11 SVO
1 11.7 2442768 1975-12-21 2442765 1975-12-18 3 SVO
4   2444090 1979-08-04 2444067 1979-07-12 23 SVO
5   2444505 1980-09-22 2444501 1980-09-18 4 SVO
6   2444940 1981-12-01 2444935 1981-11-26 5 SVO
8   2445790 1984-03-30 2445803 1984-04-12 -13 SVO
9 11.1 2446231 1985-06-14 2446237 1985-06-20 -6 SVO
10 9.9 2446652 1986-08-09 2446671 1986-08-28 -19 SVO
11 11.2 2447077 1987-10-08 2447105 1987-11-05 -28 SVO
12 10.6 2447515 1988-12-19 2447539 1989-01-12 -24 SVO
13   2447961 1990-03-10 2447973 1990-03-22 -12 AFOEV
14 10.6 2448390 1991-05-13 2448407 1991-05-30 -17 SVO
15 9.1 2448808 1992-07-04 2448841 1992-08-06 -33 SVO
16 11.1 2449242 1993-09-11 2449275 1993-10-14 -33 SVO
17 10.7 2449671 1994-11-14 2449709 1994-12-22 -38 SVO
18 10.5 2450105 1996-01-22 2450143 1996-02-29 -38 SVO
19   2450530 1997-03-22 2450577 1997-05-08 -47 AFOEV
20 11.1 2450981 1998-06-16 2451011 1998-07-16 -30 SVO
21 10.5 2451419 1999-08-28 2451445 1999-09-23 -26 SVO
22 9.5 2451838 2000-10-20 2451879 2000-11-30 -41 SVO
23 10.2 2452274 2001-12-30 2452313 2002-02-07 -39 SVO
24 10.5 2452703 2003-03-04 2452747 2003-04-17 -44 SVO
25 9.9 2453163 2004-06-06 2453181 2004-06-24 -18 SVO
26 10.1 2453607 2005-08-24 2453615 2005-09-01 -8 SVO
27 9.8 2454042 2006-11-02 2454049 2006-11-09 -7 SVO
28 10.1 2454483 2008-01-17 2454483 2008-01-17 0 SVO
29 9.6 2454916 2009-03-25 2454917 2009-03-26 -1 SVO
30 10.2 2455362 2010-06-14 2455351 2010-06-03 11 SVO
31 8.9 2455785 2011-08-11 2455785 2011-08-11 0 SVO
32 10.7 2456226 2012-10-25 2456219 2012-10-18 7 SVO
33 10.3 2456678 2014-01-20 2456653 2013-12-26 25 SVO
34 10.3 2457130 2015-04-17 2457087 2015-03-05 43 SVO
35 10.2 2457559 2016-06-19 2457521 2016-05-12 38 SVO
36 10.1 2457981 2017-08-15 2457955 2017-07-20 26 SVO
37 9.9 2458421 2018-10-29 2458389 2018-09-27 32 SVO
38 9.9 2458853 2020-01-04 2458823 2019-12-05 30 SVO
39 9.7 2459278 2021-03-04 2459257 2021-02-11 21 SVO
40 10.1 2459711 2022-05-11 2459691 2022-04-21 20 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.