Maxima for AB Cep
Period: 323.95, Epoch: 2441144.8

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-81   2414898 1899-08-31 2414905 1899-09-07 -7 PZ, 1954, vol 10, p 164
-74   2417170 1905-11-20 2417172 1905-11-22 -2 SVO
-72   2417820 1907-09-01 2417820 1907-09-01 0 PZ, 1954, vol 10, p 164
-65   2420130 1913-12-28 2420088 1913-11-16 42 SVO
-64   2420460 1914-11-23 2420412 1914-10-06 48 SVO
-63   2420785 1915-10-14 2420736 1915-08-26 49 SVO
-62   2421100 1916-08-24 2421060 1916-07-15 40 SVO
-57   2422710 1921-01-20 2422679 1920-12-20 31 SVO
-56   2423040 1921-12-16 2423003 1921-11-09 37 SVO
-55   2423350 1922-10-22 2423327 1922-09-29 23 SVO
-54   2423680 1923-09-17 2423651 1923-08-19 29 SVO
-53   2424000 1924-08-02 2423975 1924-07-08 25 SVO
-48   2425600 1928-12-19 2425595 1928-12-14 5 SVO
-47   2425920 1929-11-04 2425919 1929-11-03 1 SVO
-46   2426240 1930-09-20 2426243 1930-09-23 -3 SVO
-45   2426540 1931-07-17 2426567 1931-08-13 -27 SVO
-44   2426870 1932-06-11 2426891 1932-07-02 -21 SVO
-39   2428495 1936-11-22 2428511 1936-12-08 -16 SVO
-38   2428810 1937-10-03 2428835 1937-10-28 -25 SVO
-37   2429140 1938-08-29 2429159 1938-09-17 -19 SVO
-36   2429450 1939-07-05 2429482 1939-08-06 -32 SVO
-33   2430430 1942-03-11 2430454 1942-04-04 -24 SVO
-30   2431400 1944-11-05 2431426 1944-12-01 -26 SVO
-29   2431731 1945-10-02 2431750 1945-10-21 -19 SVO
-28   2432055 1946-08-22 2432074 1946-09-10 -19 SVO
-27   2432391 1947-07-24 2432398 1947-07-31 -7 SVO
-24   2433361 1950-03-20 2433370 1950-03-29 -9 PZ, 1954, vol 10, p 164
-21   2434345 1952-11-28 2434342 1952-11-25 3 PZ, 1954, vol 10, p 164, mMSAI, 1956, vol 27, p 533
-10   2437952 1962-10-14 2437905 1962-08-28 47 MmSAI, 1966, vol 37, p 255
-3   2440220 1968-12-29 2440173 1968-11-12 47 SVO
-2   2440530 1969-11-04 2440497 1969-10-02 33 SVO
-1   2440835 1970-09-05 2440821 1970-08-22 14 SVO
0 10.9 2441168 1971-08-04 2441145 1971-07-12 23 SVO
1 11.2 2441476 1972-06-07 2441469 1972-05-31 7 SVO
3   2442110 1974-03-03 2442117 1974-03-10 -7 SVO
5   2442750 1975-12-03 2442765 1975-12-18 -15 SVO
6   2443080 1976-10-28 2443089 1976-11-06 -9 SVO
7 11.2 2443414 1977-09-27 2443412 1977-09-25 2 SVO
8   2443740 1978-08-19 2443736 1978-08-15 4 SVO
9   2444050 1979-06-25 2444060 1979-07-05 -10 SVO
12   2444990 1982-01-20 2445032 1982-03-03 -42 SVO
13 10.8 2445310 1982-12-06 2445356 1983-01-21 -46 SVO
14 11.0 2445638 1983-10-30 2445680 1983-12-11 -42 SVO
15 11.2 2445952 1984-09-08 2446004 1984-10-30 -52 SVO
16 10.8 2446275 1985-07-28 2446328 1985-09-19 -53 SVO
17   2446601 1986-06-19 2446652 1986-08-09 -51 SVO
21 11.3 2447888 1989-12-27 2447948 1990-02-25 -60 SVO
22 11.1 2448211 1990-11-15 2448272 1991-01-15 -61 SVO
23 11.2 2448541 1991-10-11 2448596 1991-12-05 -55 SVO
24 10.9 2448857 1992-08-22 2448920 1992-10-24 -63 SVO
25   2449200 1993-07-31 2449244 1993-09-13 -44 SVO
26   2449515 1994-06-11 2449568 1994-08-03 -53 SVO
28 11.1 2450182 1996-04-08 2450215 1996-05-11 -33 SVO
29 11.4 2450510 1997-03-02 2450539 1997-03-31 -29 SVO
30 10.6 2450837 1998-01-23 2450863 1998-02-18 -26 SVO
31 11.4 2451163 1998-12-15 2451187 1999-01-08 -24 SVO
32 11.2 2451497 1999-11-14 2451511 1999-11-28 -14 SVO
33 11.8 2451824 2000-10-06 2451835 2000-10-17 -11 SVO
34 10.9 2452146 2001-08-24 2452159 2001-09-06 -13 SVO
35 11.5 2452480 2002-07-24 2452483 2002-07-27 -3 SVO
36 11.2 2452816 2003-06-25 2452807 2003-06-16 9 SVO
37 10.9 2453141 2004-05-15 2453131 2004-05-05 10 SVO
38 11.4 2453462 2005-04-01 2453455 2005-03-25 7 SVO
39 10.9 2453799 2006-03-04 2453779 2006-02-12 20 SVO
40 10.9 2454116 2007-01-15 2454103 2007-01-02 13 SVO
41 10.9 2454451 2007-12-16 2454427 2007-11-22 24 SVO
42 10.7 2454784 2008-11-13 2454751 2008-10-11 33 SVO
43 10.6 2455106 2009-10-01 2455075 2009-08-31 31 SVO
44 11.0 2455434 2010-08-25 2455399 2010-07-21 35 SVO
49 10.7 2457067 2015-02-13 2457018 2014-12-26 49 SVO
50 10.9 2457364 2015-12-07 2457342 2015-11-15 22 SVO
51   2457710 2016-11-17 2457666 2016-10-04 44 SVO
52 10.5 2458033 2017-10-06 2457990 2017-08-24 43 SVO
53 10.8 2458360 2018-08-29 2458314 2018-07-14 46 SVO
54 10.6 2458683 2019-07-18 2458638 2019-06-03 45 SVO
55 10.4 2459003 2020-06-02 2458962 2020-04-22 41 SVO
56 10.5 2459333 2021-04-28 2459286 2021-03-12 47 SVO
57 10.4 2459657 2022-03-18 2459610 2022-01-30 47 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.