Maxima for AU Cyg
Period: 435.31, Epoch: 2442325
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-68   2412744 1893-10-07 2412724 1893-09-17 20 GuL, 1920, 1.2
-63   2414940 1899-10-12 2414900 1899-09-02 40 SVO
-62   2415370 1900-12-16 2415336 1900-11-12 34 SVO
-60   2416280 1903-06-14 2416206 1903-04-01 74 SVO
-59   2416712 1904-08-19 2416642 1904-06-10 70 SVO
-58   2417145 1905-10-26 2417077 1905-08-19 68 SVO
-55   2418470 1909-06-12 2418383 1909-03-17 87 SVO
-54   2418890 1910-08-06 2418818 1910-05-26 72 AnHar, 1952, vol 118
-53   2419350 1911-11-09 2419254 1911-08-05 96 SVO
-50   2420660 1915-06-11 2420560 1915-03-03 100 SVO
-49   2421100 1916-08-24 2420995 1916-05-11 105 AnHar, 1952, vol 118
-48   2421520 1917-10-18 2421430 1917-07-20 90 SVO
-47   2421955 1918-12-27 2421865 1918-09-28 90 SVO
-45   2422810 1921-04-30 2422736 1921-02-15 74 AnHar, 1952, vol 118
-44   2423260 1922-07-24 2423171 1922-04-26 89 SVO
-43   2423690 1923-09-27 2423607 1923-07-06 83 AnHar, 1952, vol 118
-39   2425440 1928-07-12 2425348 1928-04-11 92 AnHar, 1952, vol 118
-38   2425859 1929-09-04 2425783 1929-06-20 76 AnHar, 1952, vol 118, GuL, 1936, 2.2
-37   2426300 1930-11-19 2426219 1930-08-30 81 AnHar, 1952, vol 118
-36   2426727 1932-01-20 2426654 1931-11-08 73 GuL, 1936, 2.2
-35   2427147 1933-03-15 2427089 1933-01-16 58 GuL, 1936, 2.2
-34   2427580 1934-05-22 2427524 1934-03-27 56 AnHar, 1952, vol 118
-33   2428003 1935-07-19 2427960 1935-06-06 43 AnHar, 1952, vol 118, GuL, 1936, 2.2
-32   2428440 1936-09-28 2428395 1936-08-14 45 AnHar, 1952, vol 118
-31   2428870 1937-12-02 2428830 1937-10-23 40 SVO
-28   2430174 1941-06-28 2430136 1941-05-21 38 SVO
-27   2430603 1942-08-31 2430572 1942-07-31 31 SVO
-25   2431460 1945-01-04 2431442 1944-12-17 18 SVO
-23   2432340 1947-06-03 2432313 1947-05-07 27 SVO
-22   2432780 1948-08-16 2432748 1948-07-15 32 SVO
-21   2433214 1949-10-24 2433183 1949-09-23 31 GuL, 1957, 2.4
-11   2437560 1961-09-17 2437537 1961-08-25 23 MitVS, 1967, vol 4, p 150
-10   2438020 1962-12-21 2437972 1962-11-03 48 MitVS, 1967, vol 4, p 150
-9   2438422 1964-01-27 2438407 1964-01-12 15 MitVS, 1967, vol 4, p 150
-8   2438882 1965-05-01 2438843 1965-03-23 39 MitVS, 1967, vol 4, p 150
-7   2439293 1966-06-16 2439278 1966-06-01 15 MitVS, 1967, vol 4, p 150
-6   2439740 1967-09-06 2439713 1967-08-10 27 SVO
-5   2440176 1968-11-15 2440148 1968-10-18 28 JRASC, 1970, vol 64, p 117
-4   2440610 1970-01-23 2440584 1969-12-28 26 SVO
-3   2441050 1971-04-08 2441019 1971-03-08 31 SVO
-2   2441490 1972-06-21 2441454 1972-05-16 36 SVO
-1   2441920 1973-08-25 2441890 1973-07-26 30 SVO
0 9.8 2442342 1974-10-21 2442325 1974-10-04 17 SVO
1 11.7 2442768 1975-12-21 2442760 1975-12-13 8 SVO
4   2444090 1979-08-04 2444066 1979-07-11 24 SVO
5   2444505 1980-09-22 2444502 1980-09-19 3 SVO
6   2444940 1981-12-01 2444937 1981-11-28 3 SVO
8   2445790 1984-03-30 2445807 1984-04-16 -17 SVO
9 11.1 2446231 1985-06-14 2446243 1985-06-26 -12 SVO
10 9.9 2446652 1986-08-09 2446678 1986-09-04 -26 SVO
11 11.2 2447077 1987-10-08 2447113 1987-11-13 -36 SVO
12 10.6 2447515 1988-12-19 2447549 1989-01-22 -34 SVO
13   2447961 1990-03-10 2447984 1990-04-02 -23 AFOEV
14 10.6 2448390 1991-05-13 2448419 1991-06-11 -29 SVO
15 9.1 2448808 1992-07-04 2448855 1992-08-20 -47 SVO
16 11.1 2449242 1993-09-11 2449290 1993-10-29 -48 SVO
17 10.7 2449671 1994-11-14 2449725 1995-01-07 -54 SVO
18 10.5 2450105 1996-01-22 2450161 1996-03-18 -56 SVO
19   2450530 1997-03-22 2450596 1997-05-27 -66 AFOEV
20 11.1 2450981 1998-06-16 2451031 1998-08-05 -50 SVO
21 10.5 2451419 1999-08-28 2451467 1999-10-15 -48 SVO
22 9.5 2451838 2000-10-20 2451902 2000-12-23 -64 SVO
23 10.2 2452274 2001-12-30 2452337 2002-03-03 -63 SVO
24 10.5 2452703 2003-03-04 2452772 2003-05-12 -69 SVO
25 9.9 2453163 2004-06-06 2453208 2004-07-21 -45 SVO
26 10.1 2453607 2005-08-24 2453643 2005-09-29 -36 SVO
27 9.8 2454042 2006-11-02 2454078 2006-12-08 -36 SVO
28 10.1 2454483 2008-01-17 2454514 2008-02-17 -31 SVO
29 9.6 2454916 2009-03-25 2454949 2009-04-27 -33 SVO
30 10.2 2455362 2010-06-14 2455384 2010-07-06 -22 SVO
31 8.9 2455785 2011-08-11 2455820 2011-09-15 -35 SVO
32 10.7 2456226 2012-10-25 2456255 2012-11-23 -29 SVO
33 10.3 2456678 2014-01-20 2456690 2014-02-01 -12 SVO
34 10.3 2457130 2015-04-17 2457126 2015-04-13 4 SVO
35 10.2 2457559 2016-06-19 2457561 2016-06-21 -2 SVO
36 10.1 2457981 2017-08-15 2457996 2017-08-30 -15 SVO
37 9.9 2458421 2018-10-29 2458431 2018-11-08 -10 SVO
38 9.9 2458853 2020-01-04 2458867 2020-01-18 -14 SVO
39 9.7 2459278 2021-03-04 2459302 2021-03-28 -24 SVO
40 10.1 2459711 2022-05-11 2459737 2022-06-06 -26 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.