Maxima for RU Aql
Period: 274.24, Epoch: 2439171
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-90   2414502 1898-07-31 2414489 1898-07-18 13 AnHar, 1937, vol 105, p 459
-89   2414757 1899-04-12 2414764 1899-04-19 -7 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-87   2415307 1900-10-14 2415312 1900-10-19 -5 GuL, 1920, 1.2
-86   2415581 1901-07-15 2415586 1901-07-20 -5 GuL, 1920, 1.2
-83   2416390 1903-10-02 2416409 1903-10-21 -19 AnHar, 1952, vol 115
-82   2416675 1904-07-13 2416683 1904-07-21 -8 AnHar, 1952, vol 115
-81   2416969 1905-05-03 2416958 1905-04-22 11 AAVSO
-80   2417239 1906-01-28 2417232 1906-01-21 7 AAVSO
-79 9.5 2417495 1906-10-11 2417506 1906-10-22 -11 AAVSO
-78   2417763 1907-07-06 2417780 1907-07-23 -17 AAVSO
-77   2418037 1908-04-05 2418055 1908-04-23 -18 AAVSO
-76   2418312 1909-01-05 2418329 1909-01-22 -17 AAVSO
-75 8.8 2418592 1909-10-12 2418603 1909-10-23 -11 AAVSO
-74   2418869 1910-07-16 2418877 1910-07-24 -8 AAVSO
-71   2419690 1912-10-14 2419700 1912-10-24 -10 SVO
-70 9.5 2419949 1913-06-30 2419974 1913-07-25 -25 AAVSO
-68   2420508 1915-01-10 2420523 1915-01-25 -15 AAVSO
-67 9.4 2420793 1915-10-22 2420797 1915-10-26 -4 AAVSO
-66 9.6 2421049 1916-07-04 2421071 1916-07-26 -22 AAVSO
-65   2421321 1917-04-02 2421345 1917-04-26 -24 AAVSO
-64   2421595 1918-01-01 2421620 1918-01-26 -25 AAVSO
-63 9.5 2421865 1918-09-28 2421894 1918-10-27 -29 AAVSO
-62   2422131 1919-06-21 2422168 1919-07-28 -37 AAVSO
-61   2422396 1920-03-12 2422442 1920-04-27 -46 AAVSO
-60 8.9 2422663 1920-12-04 2422717 1921-01-27 -54 AAVSO
-59 9.5 2422931 1921-08-29 2422991 1921-10-28 -60 AAVSO
-58 10.2 2423214 1922-06-08 2423265 1922-07-29 -51 AAVSO
-57 9.5 2423499 1923-03-20 2423539 1923-04-29 -40 AAVSO
-56 9.6 2423762 1923-12-08 2423814 1924-01-29 -52 SVO
-55 9.2 2424039 1924-09-10 2424088 1924-10-29 -49 SVO
-54 9.2 2424315 1925-06-13 2424362 1925-07-30 -47 SVO
-53 9.2 2424591 1926-03-16 2424636 1926-04-30 -45 AAVSO
-52 9.2 2424868 1926-12-18 2424911 1927-01-30 -43 SVO
-51 9.1 2425149 1927-09-25 2425185 1927-10-31 -36 SVO
-50 9.2 2425423 1928-06-25 2425459 1928-07-31 -36 SVO
-49 9.8 2425708 1929-04-06 2425733 1929-05-01 -25 SVO
-48 8.9 2425970 1929-12-24 2426007 1930-01-30 -37 SVO
-47 10.2 2426251 1930-10-01 2426282 1930-11-01 -31 SVO
-46 9.6 2426536 1931-07-13 2426556 1931-08-02 -20 SVO
-45 9.5 2426809 1932-04-11 2426830 1932-05-02 -21 SVO
-44 9.6 2427085 1933-01-12 2427104 1933-01-31 -19 SVO
-43 9.0 2427353 1933-10-07 2427379 1933-11-02 -26 SVO
-42 9.5 2427624 1934-07-05 2427653 1934-08-03 -29 SVO
-41 9.3 2427897 1935-04-04 2427927 1935-05-04 -30 SVO
-40   2428181 1936-01-13 2428201 1936-02-02 -20 AAVSO
-39 9.7 2428451 1936-10-09 2428476 1936-11-03 -25 SVO
-38 9.3 2428711 1937-06-26 2428750 1937-08-04 -39 SVO
-37   2428974 1938-03-16 2429024 1938-05-05 -50 AAVSO
-36 9.4 2429249 1938-12-16 2429298 1939-02-03 -49 AAVSO
-35 9.4 2429522 1939-09-15 2429573 1939-11-05 -51 SVO
-34 8.7 2429788 1940-06-07 2429847 1940-08-05 -59 AAVSO
-32 9.6 2430329 1941-11-30 2430395 1942-02-04 -66 AAVSO
-31 9.6 2430613 1942-09-10 2430670 1942-11-06 -57 SVO
-30 9.4 2430891 1943-06-15 2430944 1943-08-07 -53 SVO
-29   2431170 1944-03-20 2431218 1944-05-07 -48 AAVSO
-28 9.5 2431440 1944-12-15 2431492 1945-02-05 -52 AAVSO
-27 9.3 2431718 1945-09-19 2431767 1945-11-07 -49 SVO
-26 8.8 2431997 1946-06-25 2432041 1946-08-08 -44 AAVSO
-24 9.2 2432550 1947-12-30 2432589 1948-02-07 -39 AAVSO
-23 9.8 2432835 1948-10-10 2432863 1948-11-07 -28 SVO
-22 9.8 2433115 1949-07-17 2433138 1949-08-09 -23 SVO
-21 9.7 2433397 1950-04-25 2433412 1950-05-10 -15 AAVSO
-20   2433663 1951-01-16 2433686 1951-02-08 -23 AAVSO
-19 9.0 2433942 1951-10-22 2433960 1951-11-09 -18 SVO
-18 9.4 2434222 1952-07-28 2434235 1952-08-10 -13 SVO
-17 9.5 2434499 1953-05-01 2434509 1953-05-11 -10 AAVSO
-16   2434778 1954-02-04 2434783 1954-02-09 -5 AAVSO
-15 9.2 2435056 1954-11-09 2435057 1954-11-10 -1 AAVSO
-14 10.1 2435339 1955-08-19 2435332 1955-08-12 7 SVO
-13 9.0 2435609 1956-05-15 2435606 1956-05-12 3 AAVSO
-12 9.7 2435891 1957-02-21 2435880 1957-02-10 11 AAVSO
-11 9.3 2436160 1957-11-17 2436154 1957-11-11 6 AAVSO
-10 9.0 2436431 1958-08-15 2436429 1958-08-13 2 SVO
-9 9.2 2436702 1959-05-13 2436703 1959-05-14 -1 AAVSO
-8   2436976 1960-02-11 2436977 1960-02-12 -1 AAVSO
-7 9.1 2437248 1960-11-09 2437251 1960-11-12 -3 AAVSO
-6 9.5 2437532 1961-08-20 2437526 1961-08-14 6 SVO
-5 9.6 2437802 1962-05-17 2437800 1962-05-15 2 AAVSO
-4   2438076 1963-02-15 2438074 1963-02-13 2 AAVSO
-3 9.2 2438350 1963-11-16 2438348 1963-11-14 2 SVO
-2 9.8 2438632 1964-08-24 2438623 1964-08-15 9 SVO
-1 9.5 2438907 1965-05-26 2438897 1965-05-16 10 AAVSO
0 9.5 2439165 1966-02-08 2439171 1966-02-14 -6 SVO
1 9.3 2439441 1966-11-11 2439445 1966-11-15 -4 SVO
2 9.3 2439713 1967-08-10 2439719 1967-08-16 -6 SVO
3 9.2 2439992 1968-05-15 2439994 1968-05-17 -2 AAVSO
4   2440264 1969-02-11 2440268 1969-02-15 -4 AAVSO
5 9.2 2440535 1969-11-09 2440542 1969-11-16 -7 SVO
6 9.6 2440806 1970-08-07 2440816 1970-08-17 -10 SVO
7 9.0 2441081 1971-05-09 2441091 1971-05-19 -10 AAVSO
8   2441349 1972-02-01 2441365 1972-02-17 -16 AAVSO
9 9.5 2441629 1972-11-07 2441639 1972-11-17 -10 AAVSO
10 9.3 2441902 1973-08-07 2441913 1973-08-18 -11 SVO
11 9.2 2442176 1974-05-08 2442188 1974-05-20 -12 AAVSO
12   2442455 1975-02-11 2442462 1975-02-18 -7 AAVSO
13 9.7 2442722 1975-11-05 2442736 1975-11-19 -14 AAVSO
14 9.4 2443001 1976-08-10 2443010 1976-08-19 -9 SVO
15 9.4 2443271 1977-05-07 2443285 1977-05-21 -14 AAVSO
16 12.0 2443547 1978-02-07 2443559 1978-02-19 -12 AAVSO
17 9.3 2443817 1978-11-04 2443833 1978-11-20 -16 AAVSO
18 9.3 2444102 1979-08-16 2444107 1979-08-21 -5 SVO
19 9.5 2444388 1980-05-28 2444382 1980-05-22 6 SVO
20 9.6 2444660 1981-02-24 2444656 1981-02-20 4 AAVSO
21 9.3 2444941 1981-12-02 2444930 1981-11-21 11 AAVSO
22 9.7 2445225 1982-09-12 2445204 1982-08-22 21 SVO
23 9.1 2445495 1983-06-09 2445479 1983-05-24 16 SVO
24 9.8 2445779 1984-03-19 2445753 1984-02-22 26 AAVSO
25 9.7 2446049 1984-12-14 2446027 1984-11-22 22 SVO
26 9.4 2446324 1985-09-15 2446301 1985-08-23 23 SVO
27 8.8 2446589 1986-06-07 2446575 1986-05-24 14 SVO
28 11.1 2446858 1987-03-03 2446850 1987-02-23 8 AAVSO
29 9.8 2447143 1987-12-13 2447124 1987-11-24 19 SVO
30 9.9 2447416 1988-09-11 2447398 1988-08-24 18 SVO
31 10.1 2447687 1989-06-09 2447672 1989-05-25 15 SVO
32 9.3 2447963 1990-03-12 2447947 1990-02-24 16 SVO
33 10.1 2448229 1990-12-03 2448221 1990-11-25 8 SVO
34 9.7 2448507 1991-09-07 2448495 1991-08-26 12 SVO
35 8.9 2448773 1992-05-30 2448769 1992-05-26 4 SVO
36 9.4 2449049 1993-03-02 2449044 1993-02-25 5 SVO
37 9.7 2449325 1993-12-03 2449318 1993-11-26 7 SVO
38 9.3 2449593 1994-08-28 2449592 1994-08-27 1 SVO
39 9.9 2449870 1995-06-01 2449866 1995-05-28 4 SVO
40 9.7 2450150 1996-03-07 2450141 1996-02-27 9 SVO
41 9.9 2450426 1996-12-08 2450415 1996-11-27 11 SVO
42 9.4 2450699 1997-09-07 2450689 1997-08-28 10 SVO
43 9.4 2450972 1998-06-07 2450963 1998-05-29 9 SVO
44 9.4 2451247 1999-03-09 2451238 1999-02-28 9 SVO
45 9.7 2451530 1999-12-17 2451512 1999-11-29 18 SVO
46 10.0 2451809 2000-09-21 2451786 2000-08-29 23 SVO
47 9.4 2452082 2001-06-21 2452060 2001-05-30 22 SVO
48 9.1 2452354 2002-03-20 2452335 2002-03-01 19 SVO
49 9.8 2452636 2002-12-27 2452609 2002-11-30 27 SVO
50 9.1 2452907 2003-09-24 2452883 2003-08-31 24 SVO
51 9.6 2453184 2004-06-27 2453157 2004-05-31 27 SVO
52 9.6 2453469 2005-04-08 2453431 2005-03-01 38 SVO
53 9.2 2453739 2006-01-03 2453706 2005-12-01 33 SVO
54 9.4 2454012 2006-10-03 2453980 2006-09-01 32 SVO
55 10.0 2454291 2007-07-09 2454254 2007-06-02 37 SVO
56   2454575 2008-04-18 2454528 2008-03-02 47 AAVSO
57 9.5 2454837 2009-01-05 2454803 2008-12-02 34 SVO
58 9.2 2455114 2009-10-09 2455077 2009-09-02 37 SVO
59 9.4 2455389 2010-07-11 2455351 2010-06-03 38 SVO
60 9.4 2455662 2011-04-10 2455625 2011-03-04 37 AAVSO
61 9.4 2455927 2011-12-31 2455900 2011-12-04 27 SVO
62 9.8 2456204 2012-10-03 2456174 2012-09-03 30 SVO
63 9.0 2456483 2013-07-09 2456448 2013-06-04 35 SVO
64 9.5 2456750 2014-04-02 2456722 2014-03-05 28 AAVSO
65 9.3 2457034 2015-01-11 2456997 2014-12-05 37 SVO
66 9.1 2457304 2015-10-08 2457271 2015-09-05 33 SVO
67 9.0 2457577 2016-07-07 2457545 2016-06-05 32 SVO
68 9.4 2457858 2017-04-14 2457819 2017-03-06 39 SVO
69 9.4 2458133 2018-01-14 2458094 2017-12-06 39 SVO
70 9.3 2458403 2018-10-11 2458368 2018-09-06 35 SVO
71 9.2 2458677 2019-07-12 2458642 2019-06-07 35 SVO
72 9.4 2458947 2020-04-07 2458916 2020-03-07 31 SVO
73 9.3 2459221 2021-01-06 2459191 2020-12-07 30 SVO
74 9.9 2459501 2021-10-13 2459465 2021-09-07 36 SVO
75 9.0 2459775 2022-07-14 2459739 2022-06-08 36 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.