Maxima for AB Cep
Period: 325.4, Epoch: 2453468.9
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-119   2414898 1899-08-31 2414746 1899-04-01 152 PZ, 1954, vol 10, p 164
-112   2417170 1905-11-20 2417024 1905-06-27 146 SVO
-110   2417820 1907-09-01 2417675 1907-04-09 145 PZ, 1954, vol 10, p 164
-103   2420130 1913-12-28 2419953 1913-07-04 177 SVO
-102   2420460 1914-11-23 2420278 1914-05-25 182 SVO
-101   2420785 1915-10-14 2420604 1915-04-16 181 SVO
-100   2421100 1916-08-24 2420929 1916-03-06 171 SVO
-95   2422710 1921-01-20 2422556 1920-08-19 154 SVO
-94   2423040 1921-12-16 2422881 1921-07-10 159 SVO
-93   2423350 1922-10-22 2423207 1922-06-01 143 SVO
-92   2423680 1923-09-17 2423532 1923-04-22 148 SVO
-91   2424000 1924-08-02 2423858 1924-03-13 142 SVO
-86   2425600 1928-12-19 2425485 1928-08-26 115 SVO
-85   2425920 1929-11-04 2425810 1929-07-17 110 SVO
-84   2426240 1930-09-20 2426135 1930-06-07 105 SVO
-83   2426540 1931-07-17 2426461 1931-04-29 79 SVO
-82   2426870 1932-06-11 2426786 1932-03-19 84 SVO
-77   2428495 1936-11-22 2428413 1936-09-01 82 SVO
-76   2428810 1937-10-03 2428739 1937-07-24 71 SVO
-75   2429140 1938-08-29 2429064 1938-06-14 76 SVO
-74   2429450 1939-07-05 2429389 1939-05-05 61 SVO
-71   2430430 1942-03-11 2430366 1942-01-06 64 SVO
-68   2431400 1944-11-05 2431342 1944-09-08 58 SVO
-67   2431731 1945-10-02 2431667 1945-07-30 64 SVO
-66   2432055 1946-08-22 2431993 1946-06-21 62 SVO
-65   2432391 1947-07-24 2432318 1947-05-12 73 SVO
-62   2433361 1950-03-20 2433294 1950-01-12 67 PZ, 1954, vol 10, p 164
-59   2434345 1952-11-28 2434270 1952-09-14 75 PZ, 1954, vol 10, p 164, mMSAI, 1956, vol 27, p 533
-48   2437952 1962-10-14 2437850 1962-07-04 102 MmSAI, 1966, vol 37, p 255
-41   2440220 1968-12-29 2440128 1968-09-28 92 SVO
-40   2440530 1969-11-04 2440453 1969-08-19 77 SVO
-39   2440835 1970-09-05 2440778 1970-07-10 57 SVO
-38 10.9 2441168 1971-08-04 2441104 1971-06-01 64 SVO
-37 11.2 2441476 1972-06-07 2441429 1972-04-21 47 SVO
-35   2442110 1974-03-03 2442080 1974-02-01 30 SVO
-33   2442750 1975-12-03 2442731 1975-11-14 19 SVO
-32   2443080 1976-10-28 2443056 1976-10-04 24 SVO
-31 11.2 2443414 1977-09-27 2443382 1977-08-26 32 SVO
-30   2443740 1978-08-19 2443707 1978-07-17 33 SVO
-29   2444050 1979-06-25 2444032 1979-06-07 18 SVO
-26   2444990 1982-01-20 2445009 1982-02-08 -19 SVO
-25 10.8 2445310 1982-12-06 2445334 1982-12-30 -24 SVO
-24 11.0 2445638 1983-10-30 2445659 1983-11-20 -21 SVO
-23 11.2 2445952 1984-09-08 2445985 1984-10-11 -33 SVO
-22 10.8 2446275 1985-07-28 2446310 1985-09-01 -35 SVO
-21   2446601 1986-06-19 2446636 1986-07-24 -35 SVO
-17 11.3 2447888 1989-12-27 2447937 1990-02-14 -49 SVO
-16 11.1 2448211 1990-11-15 2448263 1991-01-06 -52 SVO
-15 11.2 2448541 1991-10-11 2448588 1991-11-27 -47 SVO
-14 10.9 2448857 1992-08-22 2448913 1992-10-17 -56 SVO
-13   2449200 1993-07-31 2449239 1993-09-08 -39 SVO
-12   2449515 1994-06-11 2449564 1994-07-30 -49 SVO
-10 11.1 2450182 1996-04-08 2450215 1996-05-11 -33 SVO
-9 11.4 2450510 1997-03-02 2450540 1997-04-01 -30 SVO
-8 10.6 2450837 1998-01-23 2450866 1998-02-21 -29 SVO
-7 11.4 2451163 1998-12-15 2451191 1999-01-12 -28 SVO
-6 11.2 2451497 1999-11-14 2451517 1999-12-04 -20 SVO
-5 11.8 2451824 2000-10-06 2451842 2000-10-24 -18 SVO
-4 10.9 2452146 2001-08-24 2452167 2001-09-14 -21 SVO
-3 11.5 2452480 2002-07-24 2452493 2002-08-06 -13 SVO
-2 11.2 2452816 2003-06-25 2452818 2003-06-27 -2 SVO
-1 10.9 2453141 2004-05-15 2453144 2004-05-18 -3 SVO
0 11.4 2453462 2005-04-01 2453469 2005-04-08 -7 SVO
1 10.9 2453799 2006-03-04 2453794 2006-02-27 5 SVO
2 10.9 2454116 2007-01-15 2454120 2007-01-19 -4 SVO
3 10.9 2454451 2007-12-16 2454445 2007-12-10 6 SVO
4 10.7 2454784 2008-11-13 2454771 2008-10-31 13 SVO
5 10.6 2455106 2009-10-01 2455096 2009-09-21 10 SVO
6 11.0 2455434 2010-08-25 2455421 2010-08-12 13 SVO
11 10.7 2457067 2015-02-13 2457048 2015-01-25 19 SVO
12 10.9 2457364 2015-12-07 2457374 2015-12-17 -10 SVO
13   2457710 2016-11-17 2457699 2016-11-06 11 SVO
14 10.5 2458033 2017-10-06 2458025 2017-09-28 8 SVO
15 10.8 2458360 2018-08-29 2458350 2018-08-19 10 SVO
16 10.6 2458683 2019-07-18 2458675 2019-07-10 8 SVO
17 10.4 2459003 2020-06-02 2459001 2020-05-31 2 SVO
18 10.5 2459333 2021-04-28 2459326 2021-04-21 7 SVO
19 10.4 2459657 2022-03-18 2459652 2022-03-13 5 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.