Maxima for AB Lyr
Period: 216.71, Epoch: 2439216.7

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-111   2415150 1900-05-10 2415162 1900-05-22 -12 SVO
-107   2416016 1902-09-23 2416029 1902-10-06 -13 SVO
-106   2416239 1903-05-04 2416245 1903-05-10 -6 SVO
-72   2423600 1923-06-29 2423614 1923-07-13 -14 SVO
-65   2425140 1927-09-16 2425131 1927-09-07 9 SVO
-63   2425568 1928-11-17 2425564 1928-11-13 4 GuL, 1936, 2.2
-62   2425790 1929-06-27 2425781 1929-06-18 9 SVO
-58   2426640 1931-10-25 2426648 1931-11-02 -8 SVO
-57   2426879 1932-06-20 2426864 1932-06-05 15 GuL, 1936, 2.2
-54   2427510 1934-03-13 2427514 1934-03-17 -4 SVO
-53   2427733 1934-10-22 2427731 1934-10-20 2 SVO
-52   2427949 1935-05-26 2427948 1935-05-25 1 GuL, 1936, 2.2
-50   2428384 1936-08-03 2428381 1936-07-31 3 SVO
-49   2428610 1937-03-17 2428598 1937-03-05 12 SVO
-48   2428822 1937-10-15 2428815 1937-10-08 7 SVO
-47   2429036 1938-05-17 2429031 1938-05-12 5 SVO
-45   2429475 1939-07-30 2429465 1939-07-20 10 SVO
-43   2429910 1940-10-07 2429898 1940-09-25 12 SVO
-42   2430120 1941-05-05 2430115 1941-04-30 5 SVO
-40   2430540 1942-06-29 2430548 1942-07-07 -8 SVO
-38   2430990 1943-09-22 2430982 1943-09-14 8 SVO
-37   2431200 1944-04-19 2431198 1944-04-17 2 SVO
-35   2431636 1945-06-29 2431632 1945-06-25 4 SVO
-33   2432060 1946-08-27 2432065 1946-09-01 -5 SVO
-32   2432292 1947-04-16 2432282 1947-04-06 10 SVO
-30   2432714 1948-06-11 2432715 1948-06-12 -1 SVO
-28   2433147 1949-08-18 2433149 1949-08-20 -2 SVO
-25   2433807 1951-06-09 2433799 1951-06-01 8 SVO
-15   2435974 1957-05-15 2435966 1957-05-07 8 MitVS, 1967, vol 4, p 150
-13   2436396 1958-07-11 2436399 1958-07-14 -3 MitVS, 1967, vol 4, p 150
-11   2436853 1959-10-11 2436833 1959-09-21 20 MitVS, 1967, vol 4, p 150
-10   2437053 1960-04-28 2437050 1960-04-25 3 MitVS, 1967, vol 4, p 150
-6   2437921 1962-09-13 2437916 1962-09-08 5 MitVS, 1967, vol 4, p 150
-4   2438357 1963-11-23 2438350 1963-11-16 7 MitVS, 1967, vol 4, p 150
-3   2438560 1964-06-13 2438567 1964-06-20 -7 MitVS, 1967, vol 4, p 150
-1   2438998 1965-08-25 2439000 1965-08-27 -2 MitVS, 1967, vol 4, p 150
0   2439216 1966-03-31 2439217 1966-04-01 -1 MitVS, 1967, vol 4, p 150
1   2439422 1966-10-23 2439433 1966-11-03 -11 MitVS, 1967, vol 4, p 150
14   2442249 1974-07-20 2442251 1974-07-22 -2 SVO
17   2442900 1976-05-01 2442901 1976-05-02 -1 SVO
19   2443350 1977-07-25 2443334 1977-07-09 16 SVO
21   2443765 1978-09-13 2443768 1978-09-16 -3 SVO
22   2443980 1979-04-16 2443984 1979-04-20 -4 SVO
23   2444195 1979-11-17 2444201 1979-11-23 -6 SVO
24   2444410 1980-06-19 2444418 1980-06-27 -8 SVO
26   2444840 1981-08-23 2444851 1981-09-03 -11 SVO
27   2445060 1982-03-31 2445068 1982-04-08 -8 SVO
28   2445266 1982-10-23 2445285 1982-11-11 -19 SVO
29   2445490 1983-06-04 2445501 1983-06-15 -11 SVO
31 10.9 2445923 1984-08-10 2445935 1984-08-22 -12 SVO
32   2446140 1985-03-15 2446151 1985-03-26 -11 SVO
33   2446350 1985-10-11 2446368 1985-10-29 -18 SVO
34   2446580 1986-05-29 2446585 1986-06-03 -5 SVO
36   2447010 1987-08-02 2447018 1987-08-10 -8 SVO
38   2447440 1988-10-05 2447452 1988-10-17 -12 SVO
39 10.3 2447655 1989-05-08 2447668 1989-05-21 -13 SVO
41 10.7 2448092 1990-07-19 2448102 1990-07-29 -10 SVO
43 11.2 2448529 1991-09-29 2448535 1991-10-05 -6 SVO
44 11.2 2448749 1992-05-06 2448752 1992-05-09 -3 SVO
45   2448964 1992-12-07 2448969 1992-12-12 -5 AFOEV
46 10.3 2449179 1993-07-10 2449185 1993-07-16 -6 SVO
48 10.8 2449614 1994-09-18 2449619 1994-09-23 -5 SVO
49 10.4 2449827 1995-04-19 2449835 1995-04-27 -8 SVO
50 11.2 2450053 1995-12-01 2450052 1995-11-30 1 SVO
51 11.2 2450268 1996-07-03 2450269 1996-07-04 -1 SVO
53 10.9 2450707 1997-09-15 2450702 1997-09-10 5 SVO
54   2450919 1998-04-15 2450919 1998-04-15 0 AFOEV
55 10.5 2451134 1998-11-16 2451136 1998-11-18 -2 SVO
56 10.9 2451357 1999-06-27 2451352 1999-06-22 5 SVO
58 10.4 2451784 2000-08-27 2451786 2000-08-29 -2 SVO
59   2452014 2001-04-14 2452003 2001-04-03 11 AFOEV
60 10.5 2452217 2001-11-03 2452219 2001-11-05 -2 SVO
61 10.7 2452433 2002-06-07 2452436 2002-06-10 -3 SVO
62   2452655 2003-01-15 2452653 2003-01-13 2 SVO
63 10.6 2452864 2003-08-12 2452869 2003-08-17 -5 SVO
64   2453097 2004-04-01 2453086 2004-03-21 11 AFOEV
65 10.4 2453302 2004-10-23 2453303 2004-10-24 -1 SVO
66 11.4 2453515 2005-05-24 2453520 2005-05-29 -5 SVO
68 11.7 2453950 2006-08-02 2453953 2006-08-05 -3 SVO
70 11.1 2454388 2007-10-14 2454386 2007-10-12 2 SVO
71 10.6 2454607 2008-05-20 2454603 2008-05-16 4 SVO
72 10.6 2454831 2008-12-30 2454820 2008-12-19 11 SVO
73 10.2 2455037 2009-07-24 2455037 2009-07-24 0 SVO
74 11.3 2455265 2010-03-09 2455253 2010-02-25 12 SVO
75   2455490 2010-10-20 2455470 2010-09-30 20 SVO
76 11.4 2455711 2011-05-29 2455687 2011-05-05 24 SVO
77 10.3 2455921 2011-12-25 2455903 2011-12-07 18 SVO
78 10.5 2456129 2012-07-20 2456120 2012-07-11 9 SVO
79 10.8 2456348 2013-02-24 2456337 2013-02-13 11 SVO
80 11.0 2456566 2013-09-30 2456553 2013-09-17 13 SVO
81 11.7 2456786 2014-05-08 2456770 2014-04-22 16 SVO
82   2457000 2014-12-08 2456987 2014-11-25 13 SVO
83 11.8 2457212 2015-07-08 2457204 2015-06-30 8 SVO
84   2457420 2016-02-01 2457420 2016-02-01 0 SVO
85 10.6 2457642 2016-09-10 2457637 2016-09-05 5 SVO
86 10.5 2457854 2017-04-10 2457854 2017-04-10 0 SVO
87   2458060 2017-11-02 2458070 2017-11-12 -10 SVO
88 10.8 2458279 2018-06-09 2458287 2018-06-17 -8 SVO
89   2458501 2019-01-17 2458504 2019-01-20 -3 SVO
90 10.6 2458715 2019-08-19 2458721 2019-08-25 -6 SVO
91 10.9 2458932 2020-03-23 2458937 2020-03-28 -5 SVO
92 11.0 2459149 2020-10-26 2459154 2020-10-31 -5 SVO
93 10.4 2459360 2021-05-25 2459371 2021-06-05 -11 SVO
94 10.6 2459574 2021-12-25 2459587 2022-01-07 -13 SVO
95 11.0 2459795 2022-08-03 2459804 2022-08-12 -9 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.