Maxima for AB Lyr
Period: 216.72, Epoch: 2439215.8

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-111   2415150 1900-05-10 2415159 1900-05-19 -9 SVO
-107   2416016 1902-09-23 2416026 1902-10-03 -10 SVO
-106   2416239 1903-05-04 2416243 1903-05-08 -4 SVO
-104   2416680 1904-07-18 2416677 1904-07-15 3 SVO
-102   2417110 1905-09-21 2417110 1905-09-21 0 SVO
-101   2417320 1906-04-19 2417327 1906-04-26 -7 SVO
-97   2418180 1908-08-26 2418194 1908-09-09 -14 SVO
-95   2418615 1909-11-04 2418627 1909-11-16 -12 SVO
-94   2418835 1910-06-12 2418844 1910-06-21 -9 SVO
-91   2419500 1912-04-07 2419494 1912-04-01 6 SVO
-90   2419710 1912-11-03 2419711 1912-11-04 -1 SVO
-89   2419920 1913-06-01 2419927 1913-06-08 -7 SVO
-85   2420770 1915-09-29 2420794 1915-10-23 -24 SVO
-84   2421000 1916-05-16 2421011 1916-05-27 -11 SVO
-81   2421660 1918-03-07 2421661 1918-03-08 -1 SVO
-79   2422100 1919-05-21 2422095 1919-05-16 5 SVO
-75   2422960 1921-09-27 2422962 1921-09-29 -2 SVO
-72   2423610 1923-07-09 2423612 1923-07-11 -2 SVO
-70   2424050 1924-09-21 2424045 1924-09-16 5 SVO
-67   2424705 1926-07-08 2424695 1926-06-28 10 SVO
-65   2425140 1927-09-16 2425129 1927-09-05 11 SVO
-63   2425568 1928-11-17 2425562 1928-11-11 6 GuL, 1936, 2.2
-62   2425790 1929-06-27 2425779 1929-06-16 11 SVO
-60   2426215 1930-08-26 2426212 1930-08-23 3 SVO
-59   2426430 1931-03-29 2426429 1931-03-28 1 SVO
-58   2426640 1931-10-25 2426646 1931-10-31 -6 SVO
-57   2426879 1932-06-20 2426863 1932-06-04 16 GuL, 1936, 2.2
-55   2427295 1933-08-10 2427296 1933-08-11 -1 SVO
-54   2427510 1934-03-13 2427513 1934-03-16 -3 SVO
-53   2427733 1934-10-22 2427729 1934-10-18 4 SVO
-52   2427949 1935-05-26 2427946 1935-05-23 3 GuL, 1936, 2.2
-50   2428384 1936-08-03 2428380 1936-07-30 4 SVO
-49   2428610 1937-03-17 2428596 1937-03-03 14 SVO
-48   2428822 1937-10-15 2428813 1937-10-06 9 SVO
-47   2429038 1938-05-19 2429030 1938-05-11 8 SVO
-45   2429475 1939-07-30 2429463 1939-07-18 12 SVO
-44   2429690 1940-03-01 2429680 1940-02-20 10 SVO
-43   2429910 1940-10-07 2429897 1940-09-24 13 SVO
-42   2430120 1941-05-05 2430113 1941-04-28 7 SVO
-40   2430540 1942-06-29 2430547 1942-07-06 -7 SVO
-38   2430987 1943-09-19 2430980 1943-09-12 7 SVO
-37   2431200 1944-04-19 2431197 1944-04-16 3 SVO
-35   2431634 1945-06-27 2431630 1945-06-23 4 SVO
-33   2432060 1946-08-27 2432064 1946-08-31 -4 SVO
-32   2432292 1947-04-16 2432281 1947-04-05 11 SVO
-31   2432495 1947-11-05 2432497 1947-11-07 -2 SVO
-30   2432714 1948-06-11 2432714 1948-06-11 0 SVO
-28   2433147 1949-08-18 2433148 1949-08-19 -1 SVO
-27   2433370 1950-03-29 2433364 1950-03-23 6 SVO
-26   2433580 1950-10-25 2433581 1950-10-26 -1 SVO
-25   2433807 1951-06-09 2433798 1951-05-31 9 SVO
-23   2434240 1952-08-15 2434231 1952-08-06 9 SVO
-15   2435974 1957-05-15 2435965 1957-05-06 9 MitVS, 1967, vol 4, p 150
-13   2436396 1958-07-11 2436398 1958-07-13 -2 MitVS, 1967, vol 4, p 150
-11   2436853 1959-10-11 2436832 1959-09-20 21 MitVS, 1967, vol 4, p 150
-10   2437053 1960-04-28 2437049 1960-04-24 4 MitVS, 1967, vol 4, p 150
-6   2437921 1962-09-13 2437915 1962-09-07 6 MitVS, 1967, vol 4, p 150
-4   2438357 1963-11-23 2438349 1963-11-15 8 MitVS, 1967, vol 4, p 150
-3   2438560 1964-06-13 2438566 1964-06-19 -6 MitVS, 1967, vol 4, p 150
-1   2438998 1965-08-25 2438999 1965-08-26 -1 MitVS, 1967, vol 4, p 150
0   2439216 1966-03-31 2439216 1966-03-31 0 MitVS, 1967, vol 4, p 150
1   2439422 1966-10-23 2439432 1966-11-02 -10 MitVS, 1967, vol 4, p 150
4   2440090 1968-08-21 2440083 1968-08-14 7 SVO
14   2442249 1974-07-20 2442250 1974-07-21 -1 SVO
16   2442685 1975-09-29 2442683 1975-09-27 2 SVO
17   2442900 1976-05-01 2442900 1976-05-01 0 SVO
19   2443340 1977-07-15 2443334 1977-07-09 6 SVO
21   2443765 1978-09-13 2443767 1978-09-15 -2 SVO
22   2443980 1979-04-16 2443984 1979-04-20 -4 SVO
23   2444195 1979-11-17 2444200 1979-11-22 -5 SVO
24   2444410 1980-06-19 2444417 1980-06-26 -7 SVO
26   2444840 1981-08-23 2444851 1981-09-03 -11 SVO
27   2445060 1982-03-31 2445067 1982-04-07 -7 SVO
28   2445266 1982-10-23 2445284 1982-11-10 -18 SVO
29   2445490 1983-06-04 2445501 1983-06-15 -11 SVO
30   2445700 1983-12-31 2445717 1984-01-17 -17 SVO
31 10.9 2445923 1984-08-10 2445934 1984-08-21 -11 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 2446584 1986-06-02 -4 SVO
35   2446790 1986-12-25 2446801 1987-01-05 -11 SVO
36   2447010 1987-08-02 2447018 1987-08-10 -8 SVO
37   2447225 1988-03-04 2447235 1988-03-14 -10 SVO
38   2447440 1988-10-05 2447451 1988-10-16 -11 SVO
39 10.3 2447655 1989-05-08 2447668 1989-05-21 -13 SVO
41 10.7 2448092 1990-07-19 2448101 1990-07-28 -9 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 2448968 1992-12-11 -4 AFOEV
46 10.3 2449179 1993-07-10 2449185 1993-07-16 -6 SVO
48 10.8 2449614 1994-09-18 2449618 1994-09-22 -4 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 2452002 2001-04-02 12 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 2456554 2013-09-18 12 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 2457421 2016-02-02 -1 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 2458071 2017-11-13 -11 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 2458938 2020-03-29 -6 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 2459588 2022-01-08 -14 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.