Maxima for DN Her
Period: 226.8, Epoch: 2431575
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-74   2414825 1899-06-19 2414792 1899-05-17 33 SVO
-71   2415495 1901-04-20 2415472 1901-03-28 23 SVO
-69   2415929 1902-06-28 2415926 1902-06-25 3 SVO
-66   2416625 1904-05-24 2416606 1904-05-05 19 SVO
-64   2417080 1905-08-22 2417060 1905-08-02 20 SVO
-63   2417295 1906-03-25 2417287 1906-03-17 8 SVO
-61   2417760 1907-07-03 2417740 1907-06-13 20 SVO
-58   2418457 1909-05-30 2418421 1909-04-24 36 SVO
-56   2418910 1910-08-26 2418874 1910-07-21 36 SVO
-55   2419130 1911-04-03 2419101 1911-03-05 29 SVO
-53   2419590 1912-07-06 2419555 1912-06-01 35 SVO
-50   2420270 1914-05-17 2420235 1914-04-12 35 SVO
-48   2420730 1915-08-20 2420689 1915-07-10 41 SVO
-47   2420950 1916-03-27 2420915 1916-02-21 35 SVO
-45   2421392 1917-06-12 2421369 1917-05-20 23 SVO
-37   2423187 1922-05-12 2423183 1922-05-08 4 SVO
-35   2423630 1923-07-29 2423637 1923-08-05 -7 SVO
-32   2424300 1925-05-29 2424317 1925-06-15 -17 SVO
-30   2424750 1926-08-22 2424771 1926-09-12 -21 SVO
-29   2424980 1927-04-09 2424998 1927-04-27 -18 SVO
-27   2425445 1928-07-17 2425451 1928-07-23 -6 SVO
-26   2425660 1929-02-17 2425678 1929-03-07 -18 SVO
-24   2426136 1930-06-08 2426132 1930-06-04 4 SVO
-21   2426818 1932-04-20 2426812 1932-04-14 6 SVO
-19   2427262 1933-07-08 2427266 1933-07-12 -4 SVO
-18   2427495 1934-02-26 2427493 1934-02-24 2 SVO
-16   2427965 1935-06-11 2427946 1935-05-23 19 SVO
-14   2428400 1936-08-19 2428400 1936-08-19 0 SVO
-13   2428633 1937-04-09 2428627 1937-04-03 6 SVO
-11   2429080 1938-06-30 2429080 1938-06-30 0 SVO
-10   2429310 1939-02-15 2429307 1939-02-12 3 SVO
-8   2429759 1940-05-09 2429761 1940-05-11 -2 SVO
-6   2430200 1941-07-24 2430214 1941-08-07 -14 SVO
-5   2430440 1942-03-21 2430441 1942-03-22 -1 SVO
0   2431570 1945-04-24 2431575 1945-04-29 -5 SVO
2   2431980 1946-06-08 2432029 1946-07-27 -49 SVO
4   2432420 1947-08-22 2432482 1947-10-23 -62 SVO
5   2432660 1948-04-18 2432709 1948-06-06 -49 SVO
7   2433093 1949-06-25 2433163 1949-09-03 -70 SVO
8   2433305 1950-01-23 2433389 1950-04-17 -84 SVO
9   2433530 1950-09-05 2433616 1950-11-30 -86 SVO
10   2433760 1951-04-23 2433843 1951-07-15 -83 SVO
12   2434200 1952-07-06 2434297 1952-10-11 -97 SVO
15   2434890 1954-05-27 2434977 1954-08-22 -87 SVO
31   2438590 1964-07-13 2438606 1964-07-29 -16 SVO
36 10.6 2439736 1967-09-02 2439740 1967-09-06 -4 SVO
37   2439960 1968-04-13 2439967 1968-04-20 -7 SVO
39 10.2 2440411 1969-07-08 2440420 1969-07-17 -9 SVO
40   2440645 1970-02-27 2440647 1970-03-01 -2 SVO
42 10.7 2441120 1971-06-17 2441101 1971-05-29 19 SVO
44   2441575 1972-09-14 2441554 1972-08-24 21 SVO
45 10.8 2441822 1973-05-19 2441781 1973-04-08 41 SVO
47 10.5 2442272 1974-08-12 2442235 1974-07-06 37 SVO
48 10.4 2442501 1975-03-29 2442461 1975-02-17 40 SVO
50 10.7 2442967 1976-07-07 2442915 1976-05-16 52 SVO
51   2443195 1977-02-20 2443142 1976-12-29 53 SVO
52   2443425 1977-10-08 2443369 1977-08-13 56 SVO
53 10.3 2443650 1978-05-21 2443595 1978-03-27 55 SVO
55 10.3 2444103 1979-08-17 2444049 1979-06-24 54 SVO
56 10.8 2444344 1980-04-14 2444276 1980-02-06 68 SVO
57   2444575 1980-12-01 2444503 1980-09-20 72 SVO
58   2444810 1981-07-24 2444729 1981-05-04 81 SVO
59 10.4 2445038 1982-03-09 2444956 1981-12-17 82 SVO
60   2445265 1982-10-22 2445183 1982-08-01 82 SVO
61 10.6 2445495 1983-06-09 2445410 1983-03-16 85 SVO
62   2445715 1984-01-15 2445637 1983-10-29 78 SVO
63   2445939 1984-08-26 2445863 1984-06-11 76 SVO
64 10.7 2446170 1985-04-14 2446090 1985-01-24 80 SVO
65   2446400 1985-11-30 2446317 1985-09-08 83 SVO
66 10.3 2446632 1986-07-20 2446544 1986-04-23 88 SVO
67   2446850 1987-02-23 2446771 1986-12-06 79 SVO
68   2447070 1987-10-01 2446997 1987-07-20 73 SVO
69 10.3 2447297 1988-05-15 2447224 1988-03-03 73 SVO
70 10.5 2447523 1988-12-27 2447451 1988-10-16 72 SVO
71 10.8 2447758 1989-08-19 2447678 1989-05-31 80 SVO
72 10.8 2447984 1990-04-02 2447905 1990-01-13 79 SVO
73   2448199 1990-11-03 2448131 1990-08-27 68 AFOEV
74 10.7 2448433 1991-06-25 2448358 1991-04-11 75 SVO
75   2448640 1992-01-18 2448585 1991-11-24 55 SVO
76 10.3 2448872 1992-09-06 2448812 1992-07-08 60 SVO
77 10.5 2449092 1993-04-14 2449039 1993-02-20 53 SVO
78 10.5 2449315 1993-11-23 2449265 1993-10-04 50 SVO
79 10.3 2449528 1994-06-24 2449492 1994-05-19 36 SVO
80 10.5 2449755 1995-02-06 2449719 1995-01-01 36 SVO
81 10.3 2449986 1995-09-25 2449946 1995-08-16 40 SVO
82 10.6 2450203 1996-04-29 2450173 1996-03-30 30 SVO
83   2450430 1996-12-12 2450399 1996-11-11 31 SVO
84 10.5 2450653 1997-07-23 2450626 1997-06-26 27 SVO
85 10.6 2450874 1998-03-01 2450853 1998-02-08 21 SVO
86 10.6 2451096 1998-10-09 2451080 1998-09-23 16 SVO
87 10.5 2451322 1999-05-23 2451307 1999-05-08 15 SVO
88 10.4 2451540 1999-12-27 2451533 1999-12-20 7 SVO
89 10.6 2451759 2000-08-02 2451760 2000-08-03 -1 SVO
90 10.5 2451989 2001-03-20 2451987 2001-03-18 2 SVO
91 10.7 2452214 2001-10-31 2452214 2001-10-31 0 SVO
92 10.5 2452438 2002-06-12 2452441 2002-06-15 -3 SVO
93   2452665 2003-01-25 2452667 2003-01-27 -2 SVO
94 10.6 2452901 2003-09-18 2452894 2003-09-11 7 SVO
95 10.5 2453131 2004-05-05 2453121 2004-04-25 10 SVO
96 10.4 2453359 2004-12-19 2453348 2004-12-08 11 SVO
97 10.8 2453574 2005-07-22 2453575 2005-07-23 -1 SVO
98 10.4 2453799 2006-03-04 2453801 2006-03-06 -2 SVO
99 10.4 2454024 2006-10-15 2454028 2006-10-19 -4 SVO
100 10.5 2454254 2007-06-02 2454255 2007-06-03 -1 SVO
101 10.5 2454479 2008-01-13 2454482 2008-01-16 -3 SVO
102 10.6 2454716 2008-09-06 2454709 2008-08-30 7 SVO
103 10.8 2454946 2009-04-24 2454935 2009-04-13 11 SVO
104   2455170 2009-12-04 2455162 2009-11-26 8 SVO
105 10.6 2455402 2010-07-24 2455389 2010-07-11 13 SVO
106   2455625 2011-03-04 2455616 2011-02-23 9 SVO
107 10.2 2455847 2011-10-12 2455843 2011-10-08 4 SVO
108 10.4 2456079 2012-05-31 2456069 2012-05-21 10 SVO
109   2456320 2013-01-27 2456296 2013-01-03 24 SVO
110 10.7 2456550 2013-09-14 2456523 2013-08-18 27 SVO
111 10.4 2456772 2014-04-24 2456750 2014-04-02 22 SVO
112 10.7 2456996 2014-12-04 2456977 2014-11-15 19 SVO
113 10.4 2457216 2015-07-12 2457203 2015-06-29 13 SVO
114 10.6 2457448 2016-02-29 2457430 2016-02-11 18 SVO
115 10.5 2457690 2016-10-28 2457657 2016-09-25 33 SVO
116 10.5 2457916 2017-06-11 2457884 2017-05-10 32 SVO
117   2458150 2018-01-31 2458111 2017-12-23 39 SVO
118 10.5 2458372 2018-09-10 2458337 2018-08-06 35 SVO
119 10.7 2458593 2019-04-19 2458564 2019-03-21 29 SVO
120 10.5 2458825 2019-12-07 2458791 2019-11-03 34 SVO
121 10.7 2459045 2020-07-14 2459018 2020-06-17 27 SVO
122 10.6 2459262 2021-02-16 2459245 2021-01-30 17 SVO
123 10.2 2459496 2021-10-08 2459471 2021-09-13 25 SVO
124 10.6 2459720 2022-05-20 2459698 2022-04-28 22 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.