Maxima for AB Cep
Period: 324.5, Epoch: 2441160
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-81   2414898 1899-08-31 2414876 1899-08-09 22 PZ, 1954, vol 10, p 164
-74   2417170 1905-11-20 2417147 1905-10-28 23 SVO
-72   2417820 1907-09-01 2417796 1907-08-08 24 PZ, 1954, vol 10, p 164
-65   2420130 1913-12-28 2420068 1913-10-27 62 SVO
-64   2420460 1914-11-23 2420392 1914-09-16 68 SVO
-63   2420785 1915-10-14 2420717 1915-08-07 68 SVO
-62   2421100 1916-08-24 2421041 1916-06-26 59 SVO
-57   2422710 1921-01-20 2422664 1920-12-05 46 SVO
-56   2423040 1921-12-16 2422988 1921-10-25 52 SVO
-55   2423350 1922-10-22 2423313 1922-09-15 37 SVO
-54   2423680 1923-09-17 2423637 1923-08-05 43 SVO
-53   2424000 1924-08-02 2423962 1924-06-25 38 SVO
-48   2425600 1928-12-19 2425584 1928-12-03 16 SVO
-47   2425920 1929-11-04 2425909 1929-10-24 11 SVO
-46   2426240 1930-09-20 2426233 1930-09-13 7 SVO
-45   2426540 1931-07-17 2426558 1931-08-04 -18 SVO
-44   2426870 1932-06-11 2426882 1932-06-23 -12 SVO
-39   2428495 1936-11-22 2428505 1936-12-02 -10 SVO
-38   2428810 1937-10-03 2428829 1937-10-22 -19 SVO
-37   2429140 1938-08-29 2429154 1938-09-12 -14 SVO
-36   2429450 1939-07-05 2429478 1939-08-02 -28 SVO
-33   2430430 1942-03-11 2430452 1942-04-02 -22 SVO
-30   2431400 1944-11-05 2431425 1944-11-30 -25 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 2432399 1947-08-01 -8 SVO
-24   2433361 1950-03-20 2433372 1950-03-31 -11 PZ, 1954, vol 10, p 164
-21   2434345 1952-11-28 2434346 1952-11-29 -1 PZ, 1954, vol 10, p 164, mMSAI, 1956, vol 27, p 533
-10   2437952 1962-10-14 2437915 1962-09-07 37 MmSAI, 1966, vol 37, p 255
-3   2440220 1968-12-29 2440187 1968-11-26 33 SVO
-2   2440530 1969-11-04 2440511 1969-10-16 19 SVO
-1   2440835 1970-09-05 2440836 1970-09-06 -1 SVO
0 10.9 2441168 1971-08-04 2441160 1971-07-27 8 SVO
1 11.2 2441476 1972-06-07 2441485 1972-06-16 -9 SVO
3   2442110 1974-03-03 2442134 1974-03-27 -24 SVO
5   2442750 1975-12-03 2442783 1976-01-05 -33 SVO
6   2443080 1976-10-28 2443107 1976-11-24 -27 SVO
7 11.2 2443414 1977-09-27 2443432 1977-10-15 -18 SVO
8   2443740 1978-08-19 2443756 1978-09-04 -16 SVO
9   2444050 1979-06-25 2444081 1979-07-26 -31 SVO
12   2444990 1982-01-20 2445054 1982-03-25 -64 SVO
13 10.8 2445310 1982-12-06 2445379 1983-02-13 -69 SVO
14 11.0 2445638 1983-10-30 2445703 1984-01-03 -65 SVO
15 11.2 2445952 1984-09-08 2446028 1984-11-23 -76 SVO
16 10.8 2446275 1985-07-28 2446352 1985-10-13 -77 SVO
17   2446601 1986-06-19 2446677 1986-09-03 -76 SVO
21 11.3 2447888 1989-12-27 2447975 1990-03-24 -87 SVO
22 11.1 2448211 1990-11-15 2448299 1991-02-11 -88 SVO
23 11.2 2448541 1991-10-11 2448624 1992-01-02 -83 SVO
24 10.9 2448857 1992-08-22 2448948 1992-11-21 -91 SVO
25   2449200 1993-07-31 2449273 1993-10-12 -73 SVO
26   2449515 1994-06-11 2449597 1994-09-01 -82 SVO
28 11.1 2450182 1996-04-08 2450246 1996-06-11 -64 SVO
29 11.4 2450510 1997-03-02 2450571 1997-05-02 -61 SVO
30 10.6 2450837 1998-01-23 2450895 1998-03-22 -58 SVO
31 11.4 2451163 1998-12-15 2451220 1999-02-10 -57 SVO
32 11.2 2451497 1999-11-14 2451544 1999-12-31 -47 SVO
33 11.8 2451824 2000-10-06 2451869 2000-11-20 -45 SVO
34 10.9 2452146 2001-08-24 2452193 2001-10-10 -47 SVO
35 11.5 2452480 2002-07-24 2452518 2002-08-31 -38 SVO
36 11.2 2452816 2003-06-25 2452842 2003-07-21 -26 SVO
37 10.9 2453141 2004-05-15 2453167 2004-06-10 -26 SVO
38 11.4 2453462 2005-04-01 2453491 2005-04-30 -29 SVO
39 10.9 2453799 2006-03-04 2453816 2006-03-21 -17 SVO
40 10.9 2454116 2007-01-15 2454140 2007-02-08 -24 SVO
41 10.9 2454451 2007-12-16 2454465 2007-12-30 -14 SVO
42 10.7 2454784 2008-11-13 2454789 2008-11-18 -5 SVO
43 10.6 2455106 2009-10-01 2455114 2009-10-09 -8 SVO
44 11.0 2455434 2010-08-25 2455438 2010-08-29 -4 SVO
49 10.7 2457067 2015-02-13 2457061 2015-02-07 6 SVO
50 10.9 2457364 2015-12-07 2457385 2015-12-28 -21 SVO
51   2457710 2016-11-17 2457710 2016-11-17 0 SVO
52 10.5 2458033 2017-10-06 2458034 2017-10-07 -1 SVO
53 10.8 2458360 2018-08-29 2458359 2018-08-28 1 SVO
54 10.6 2458683 2019-07-18 2458683 2019-07-18 0 SVO
55 10.4 2459003 2020-06-02 2459008 2020-06-07 -5 SVO
56 10.5 2459333 2021-04-28 2459332 2021-04-27 1 SVO
57 10.4 2459657 2022-03-18 2459657 2022-03-18 0 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.