Maxima for AU Cyg
Period: 436, Epoch: 2455355
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-98   2412744 1893-10-07 2412627 1893-06-12 117 GuL, 1920, 1.2
-93   2414940 1899-10-12 2414807 1899-06-01 133 SVO
-92   2415370 1900-12-16 2415243 1900-08-11 127 SVO
-90   2416280 1903-06-14 2416115 1902-12-31 165 SVO
-89   2416712 1904-08-19 2416551 1904-03-11 161 SVO
-88   2417145 1905-10-26 2416987 1905-05-21 158 SVO
-85   2418470 1909-06-12 2418295 1908-12-19 175 SVO
-84   2418890 1910-08-06 2418731 1910-02-28 159 AnHar, 1952, vol 118
-83   2419350 1911-11-09 2419167 1911-05-10 183 SVO
-80   2420660 1915-06-11 2420475 1914-12-08 185 SVO
-79   2421100 1916-08-24 2420911 1916-02-17 189 AnHar, 1952, vol 118
-78   2421520 1917-10-18 2421347 1917-04-28 173 SVO
-77   2421955 1918-12-27 2421783 1918-07-08 172 SVO
-75   2422810 1921-04-30 2422655 1920-11-26 155 AnHar, 1952, vol 118
-74   2423260 1922-07-24 2423091 1922-02-05 169 SVO
-73   2423690 1923-09-27 2423527 1923-04-17 163 AnHar, 1952, vol 118
-69   2425440 1928-07-12 2425271 1928-01-25 169 AnHar, 1952, vol 118
-68   2425859 1929-09-04 2425707 1929-04-05 152 AnHar, 1952, vol 118, GuL, 1936, 2.2
-67   2426300 1930-11-19 2426143 1930-06-15 157 AnHar, 1952, vol 118
-66   2426727 1932-01-20 2426579 1931-08-25 148 GuL, 1936, 2.2
-65   2427147 1933-03-15 2427015 1932-11-03 132 GuL, 1936, 2.2
-64   2427580 1934-05-22 2427451 1934-01-13 129 AnHar, 1952, vol 118
-63   2428003 1935-07-19 2427887 1935-03-25 116 AnHar, 1952, vol 118, GuL, 1936, 2.2
-62   2428440 1936-09-28 2428323 1936-06-03 117 AnHar, 1952, vol 118
-61   2428870 1937-12-02 2428759 1937-08-13 111 SVO
-58   2430174 1941-06-28 2430067 1941-03-13 107 SVO
-57   2430603 1942-08-31 2430503 1942-05-23 100 SVO
-55   2431460 1945-01-04 2431375 1944-10-11 85 SVO
-53   2432340 1947-06-03 2432247 1947-03-02 93 SVO
-52   2432780 1948-08-16 2432683 1948-05-11 97 SVO
-51   2433214 1949-10-24 2433119 1949-07-21 95 GuL, 1957, 2.4
-41   2437560 1961-09-17 2437479 1961-06-28 81 MitVS, 1967, vol 4, p 150
-40   2438020 1962-12-21 2437915 1962-09-07 105 MitVS, 1967, vol 4, p 150
-39   2438422 1964-01-27 2438351 1963-11-17 71 MitVS, 1967, vol 4, p 150
-38   2438882 1965-05-01 2438787 1965-01-26 95 MitVS, 1967, vol 4, p 150
-37   2439293 1966-06-16 2439223 1966-04-07 70 MitVS, 1967, vol 4, p 150
-36   2439740 1967-09-06 2439659 1967-06-17 81 SVO
-35   2440176 1968-11-15 2440095 1968-08-26 81 JRASC, 1970, vol 64, p 117
-34   2440610 1970-01-23 2440531 1969-11-05 79 SVO
-33   2441050 1971-04-08 2440967 1971-01-15 83 SVO
-32   2441490 1972-06-21 2441403 1972-03-26 87 SVO
-31   2441920 1973-08-25 2441839 1973-06-05 81 SVO
-30 9.8 2442342 1974-10-21 2442275 1974-08-15 67 SVO
-29 11.7 2442768 1975-12-21 2442711 1975-10-25 57 SVO
-26   2444090 1979-08-04 2444019 1979-05-25 71 SVO
-25   2444505 1980-09-22 2444455 1980-08-03 50 SVO
-24   2444940 1981-12-01 2444891 1981-10-13 49 SVO
-22   2445790 1984-03-30 2445763 1984-03-03 27 SVO
-21 11.1 2446231 1985-06-14 2446199 1985-05-13 32 SVO
-20 9.9 2446652 1986-08-09 2446635 1986-07-23 17 SVO
-19 11.2 2447077 1987-10-08 2447071 1987-10-02 6 SVO
-18 10.6 2447515 1988-12-19 2447507 1988-12-11 8 SVO
-17   2447961 1990-03-10 2447943 1990-02-20 18 AFOEV
-16 10.6 2448390 1991-05-13 2448379 1991-05-02 11 SVO
-15 9.1 2448808 1992-07-04 2448815 1992-07-11 -7 SVO
-14 11.1 2449242 1993-09-11 2449251 1993-09-20 -9 SVO
-13 10.7 2449671 1994-11-14 2449687 1994-11-30 -16 SVO
-12 10.5 2450105 1996-01-22 2450123 1996-02-09 -18 SVO
-11   2450530 1997-03-22 2450559 1997-04-20 -29 AFOEV
-10 11.1 2450981 1998-06-16 2450995 1998-06-30 -14 SVO
-9 10.5 2451419 1999-08-28 2451431 1999-09-09 -12 SVO
-8 9.5 2451838 2000-10-20 2451867 2000-11-18 -29 SVO
-7 10.2 2452274 2001-12-30 2452303 2002-01-28 -29 SVO
-6 10.5 2452703 2003-03-04 2452739 2003-04-09 -36 SVO
-5 9.9 2453163 2004-06-06 2453175 2004-06-18 -12 SVO
-4 10.1 2453607 2005-08-24 2453611 2005-08-28 -4 SVO
-3 9.8 2454042 2006-11-02 2454047 2006-11-07 -5 SVO
-2 10.1 2454483 2008-01-17 2454483 2008-01-17 0 SVO
-1 9.6 2454916 2009-03-25 2454919 2009-03-28 -3 SVO
0 10.2 2455362 2010-06-14 2455355 2010-06-07 7 SVO
1 8.9 2455785 2011-08-11 2455791 2011-08-17 -6 SVO
2 10.7 2456226 2012-10-25 2456227 2012-10-26 -1 SVO
3 10.3 2456678 2014-01-20 2456663 2014-01-05 15 SVO
4 10.3 2457130 2015-04-17 2457099 2015-03-17 31 SVO
5 10.2 2457559 2016-06-19 2457535 2016-05-26 24 SVO
6 10.1 2457981 2017-08-15 2457971 2017-08-05 10 SVO
7 9.9 2458421 2018-10-29 2458407 2018-10-15 14 SVO
8 9.9 2458853 2020-01-04 2458843 2019-12-25 10 SVO
9 9.7 2459278 2021-03-04 2459279 2021-03-05 -1 SVO
10 10.1 2459711 2022-05-11 2459715 2022-05-15 -4 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.