Maxima for AB Cep
Period: 324.29, Epoch: 2441136.4

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-81   2414898 1899-08-31 2414869 1899-08-02 29 PZ, 1954, vol 10, p 164
-72   2417820 1907-09-01 2417787 1907-07-30 33 PZ, 1954, vol 10, p 164
-48   2425551 1928-10-31 2425570 1928-11-19 -19 PZ, 1954, vol 10, p 164
-33   2430430 1942-03-11 2430435 1942-03-16 -5 SVO
-24   2433361 1950-03-20 2433353 1950-03-12 8 PZ, 1954, vol 10, p 164
-21   2434345 1952-11-28 2434326 1952-11-09 19 PZ, 1954, vol 10, p 164, mMSAI, 1956, vol 27, p 533
-10   2437952 1962-10-14 2437893 1962-08-16 59 MmSAI, 1966, vol 37, p 255
-3   2440220 1968-12-29 2440164 1968-11-03 56 SVO
-2   2440530 1969-11-04 2440488 1969-09-23 42 SVO
-1   2440835 1970-09-05 2440812 1970-08-13 23 SVO
0 10.9 2441168 1971-08-04 2441136 1971-07-03 32 SVO
1 11.2 2441476 1972-06-07 2441461 1972-05-23 15 SVO
3   2442110 1974-03-03 2442109 1974-03-02 1 SVO
5   2442750 1975-12-03 2442758 1975-12-11 -8 SVO
7 11.2 2443414 1977-09-27 2443406 1977-09-19 8 SVO
8   2443740 1978-08-19 2443731 1978-08-10 9 SVO
9   2444050 1979-06-25 2444055 1979-06-30 -5 SVO
12   2444990 1982-01-20 2445028 1982-02-27 -38 SVO
13 10.8 2445310 1982-12-06 2445352 1983-01-17 -42 SVO
14 11.0 2445638 1983-10-30 2445677 1983-12-08 -39 SVO
15 11.2 2445952 1984-09-08 2446001 1984-10-27 -49 SVO
16 10.8 2446275 1985-07-28 2446325 1985-09-16 -50 SVO
21 11.3 2447888 1989-12-27 2447947 1990-02-24 -59 SVO
22 11.1 2448211 1990-11-15 2448271 1991-01-14 -60 SVO
23 11.2 2448541 1991-10-11 2448595 1991-12-04 -54 SVO
24 10.9 2448857 1992-08-22 2448919 1992-10-23 -62 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 2450217 1996-05-13 -35 SVO
29 11.4 2450510 1997-03-02 2450541 1997-04-02 -31 SVO
30 10.6 2450837 1998-01-23 2450865 1998-02-20 -28 SVO
31 11.4 2451163 1998-12-15 2451190 1999-01-11 -27 SVO
32 11.2 2451497 1999-11-14 2451514 1999-12-01 -17 SVO
33 11.8 2451824 2000-10-06 2451838 2000-10-20 -14 SVO
34 10.9 2452146 2001-08-24 2452162 2001-09-09 -16 SVO
35 11.5 2452480 2002-07-24 2452487 2002-07-31 -7 SVO
36 11.2 2452816 2003-06-25 2452811 2003-06-20 5 SVO
37 10.9 2453141 2004-05-15 2453135 2004-05-09 6 SVO
38 11.4 2453462 2005-04-01 2453460 2005-03-30 2 SVO
39 10.9 2453799 2006-03-04 2453784 2006-02-17 15 SVO
40 10.9 2454116 2007-01-15 2454108 2007-01-07 8 SVO
41 10.9 2454451 2007-12-16 2454432 2007-11-27 19 SVO
42 10.7 2454784 2008-11-13 2454757 2008-10-17 27 SVO
43 10.6 2455106 2009-10-01 2455081 2009-09-06 25 SVO
44 11.0 2455434 2010-08-25 2455405 2010-07-27 29 SVO
49 10.7 2457067 2015-02-13 2457027 2015-01-04 40 SVO
50 10.9 2457364 2015-12-07 2457351 2015-11-24 13 SVO
51   2457710 2016-11-17 2457675 2016-10-13 35 SVO
52 10.5 2458033 2017-10-06 2458000 2017-09-03 33 SVO
53 10.8 2458360 2018-08-29 2458324 2018-07-24 36 SVO
54 10.6 2458683 2019-07-18 2458648 2019-06-13 35 SVO
55 10.4 2459003 2020-06-02 2458973 2020-05-03 30 SVO
56 10.5 2459333 2021-04-28 2459297 2021-03-23 36 SVO
57 10.4 2459657 2022-03-18 2459621 2022-02-10 36 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.