Maxima for DF Her
Period: 333.89, Epoch: 2436342.6

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-69   2413415 1895-08-09 2413304 1895-04-20 111 SVO
-68   2413750 1896-07-09 2413638 1896-03-19 112 SVO
-65   2414735 1899-03-21 2414640 1898-12-16 95 SVO
-64   2415070 1900-02-19 2414973 1899-11-14 97 SVO
-62   2415750 1901-12-31 2415641 1901-09-13 109 SVO
-60   2416415 1903-10-27 2416309 1903-07-13 106 SVO
-59   2416739 1904-09-15 2416643 1904-06-11 96 SVO
-58   2417080 1905-08-22 2416977 1905-05-11 103 SVO
-57   2417410 1906-07-18 2417311 1906-04-10 99 SVO
-56   2417730 1907-06-03 2417645 1907-03-10 85 SVO
-55   2418050 1908-04-18 2417979 1908-02-07 71 SVO
-53   2418720 1910-02-17 2418646 1909-12-05 74 SVO
-51   2419365 1911-11-24 2419314 1911-10-04 51 SVO
-50   2419650 1912-09-04 2419648 1912-09-02 2 SVO
-49   2419975 1913-07-26 2419982 1913-08-02 -7 SVO
-48   2420300 1914-06-16 2420316 1914-07-02 -16 SVO
-47   2420626 1915-05-08 2420650 1915-06-01 -24 SVO
-46   2420960 1916-04-06 2420984 1916-04-30 -24 SVO
-41   2422600 1920-10-02 2422653 1920-11-24 -53 SVO
-40   2422940 1921-09-07 2422987 1921-10-24 -47 SVO
-39   2423260 1922-07-24 2423321 1922-09-23 -61 SVO
-38   2423580 1923-06-09 2423655 1923-08-23 -75 SVO
-37   2423930 1924-05-24 2423989 1924-07-22 -59 SVO
-36   2424279 1925-05-08 2424322 1925-06-20 -43 SVO
-35   2424610 1926-04-04 2424656 1926-05-20 -46 SVO
-34   2424940 1927-02-28 2424990 1927-04-19 -50 SVO
-30   2426250 1930-09-30 2426326 1930-12-15 -76 SVO
-29   2426570 1931-08-16 2426660 1931-11-14 -90 SVO
-28   2426930 1932-08-10 2426994 1932-10-13 -64 SVO
-27   2427258 1933-07-04 2427327 1933-09-11 -69 SVO
-26   2427600 1934-06-11 2427661 1934-08-11 -61 SVO
-25   2427925 1935-05-02 2427995 1935-07-11 -70 SVO
-24   2428280 1936-04-21 2428329 1936-06-09 -49 SVO
-23   2428610 1937-03-17 2428663 1937-05-09 -53 SVO
-17   2430609 1942-09-06 2430666 1942-11-02 -57 GuL, 1957, 2.4
-16   2430934 1943-07-28 2431000 1943-10-02 -66 SVO
-15   2431281 1944-07-09 2431334 1944-08-31 -53 SVO
-14   2431628 1945-06-21 2431668 1945-07-31 -40 SVO
-13   2431975 1946-06-03 2432002 1946-06-30 -27 SVO
-12   2432318 1947-05-12 2432336 1947-05-30 -18 SVO
-11   2432650 1948-04-08 2432670 1948-04-28 -20 SVO
-10   2432990 1949-03-14 2433004 1949-03-28 -14 SVO
-2   2435720 1956-09-03 2435675 1956-07-20 45 AJ, 1960, vol 65, p 381
-1   2436000 1957-06-10 2436009 1957-06-19 -9 AJ, 1960, vol 65, p 381
0   2436400 1958-07-15 2436343 1958-05-19 57 AJ, 1960, vol 65, p 381
18 11.0 2442314 1974-09-23 2442353 1974-11-01 -39 SVO
19 11.1 2442658 1975-09-02 2442687 1975-10-01 -29 SVO
20 10.9 2442997 1976-08-06 2443020 1976-08-29 -23 SVO
21 11.2 2443329 1977-07-04 2443354 1977-07-29 -25 SVO
22   2443660 1978-05-31 2443688 1978-06-28 -28 SVO
23   2443990 1979-04-26 2444022 1979-05-28 -32 SVO
27 11.0 2445260 1982-10-17 2445358 1983-01-23 -98 SVO
28   2445603 1983-09-25 2445692 1983-12-23 -89 SVO
29 10.9 2445943 1984-08-30 2446025 1984-11-20 -82 SVO
30 10.5 2446263 1985-07-16 2446359 1985-10-20 -96 SVO
31   2446582 1986-05-31 2446693 1986-09-19 -111 SVO
32   2446920 1987-05-04 2447027 1987-08-19 -107 SVO
33   2447268 1988-04-16 2447361 1988-07-18 -93 SVO
38   2448950 1992-11-23 2449031 1993-02-12 -81 SVO
39   2449300 1993-11-08 2449364 1994-01-11 -64 SVO
40 10.4 2449649 1994-10-23 2449698 1994-12-11 -49 SVO
41 10.2 2449988 1995-09-27 2450032 1995-11-10 -44 SVO
42 10.6 2450328 1996-09-01 2450366 1996-10-09 -38 SVO
43 10.3 2450668 1997-08-07 2450700 1997-09-08 -32 SVO
44 10.5 2451018 1998-07-23 2451034 1998-08-08 -16 SVO
45 10.2 2451358 1999-06-28 2451368 1999-07-08 -10 SVO
46 10.4 2451699 2000-06-03 2451702 2000-06-06 -3 SVO
47 10.4 2452038 2001-05-08 2452036 2001-05-06 2 SVO
48 10.4 2452381 2002-04-16 2452369 2002-04-04 12 SVO
49 10.3 2452725 2003-03-26 2452703 2003-03-04 22 SVO
50 10.7 2453060 2004-02-24 2453037 2004-02-01 23 SVO
51 10.4 2453411 2005-02-09 2453371 2004-12-31 40 SVO
52 10.5 2453748 2006-01-12 2453705 2005-11-30 43 SVO
53 10.8 2454112 2007-01-11 2454039 2006-10-30 73 SVO
54 10.1 2454444 2007-12-09 2454373 2007-09-29 71 SVO
55 10.6 2454765 2008-10-25 2454707 2008-08-28 58 SVO
56 9.8 2455100 2009-09-25 2455041 2009-07-28 59 SVO
57 10.3 2455438 2010-08-29 2455374 2010-06-26 64 SVO
58 10.2 2455777 2011-08-03 2455708 2011-05-26 69 SVO
59 9.8 2456097 2012-06-18 2456042 2012-04-24 55 SVO
60 10.1 2456445 2013-06-01 2456376 2013-03-24 69 SVO
61 10.2 2456781 2014-05-03 2456710 2014-02-21 71 SVO
62 9.9 2457108 2015-03-26 2457044 2015-01-21 64 SVO
63 10.5 2457440 2016-02-21 2457378 2015-12-21 62 SVO
64 9.8 2457767 2017-01-13 2457712 2016-11-19 55 SVO
65 9.9 2458098 2017-12-10 2458046 2017-10-19 52 SVO
66 9.9 2458425 2018-11-02 2458380 2018-09-18 45 SVO
67 9.8 2458759 2019-10-02 2458713 2019-08-17 46 SVO
68 10.1 2459086 2020-08-24 2459047 2020-07-16 39 SVO
69 10.0 2459416 2021-07-20 2459381 2021-06-15 35 SVO
70 10.0 2459747 2022-06-16 2459715 2022-05-15 32 SVO
71 10.0 2460075 2023-05-10 2460049 2023-04-14 26 SVO
72 10.2 2460412 2024-04-11 2460383 2024-03-13 29 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.