Maxima for U Ara
Period: 225.21, Epoch: 2440289
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-129   2411240 1889-08-25 2411237 1889-08-22 3 SVO
-123   2412580 1893-04-26 2412588 1893-05-04 -8 SVO
-121   2413030 1894-07-20 2413039 1894-07-29 -9 SVO
-118   2413710 1896-05-30 2413714 1896-06-03 -4 AnHar, 1909, vol 55, p 95
-116   2414155 1897-08-18 2414165 1897-08-28 -10 AnHar, 1909, vol 55, p 95
-115   2414380 1898-03-31 2414390 1898-04-10 -10 SVO
-113   2414829 1899-06-23 2414840 1899-07-04 -11 AnHar, 1909, vol 55, p 95
-111   2415275 1900-09-12 2415291 1900-09-28 -16 SVO
-110   2415509 1901-05-04 2415516 1901-05-11 -7 AnHar, 1909, vol 55, p 95
-108   2415950 1902-07-19 2415966 1902-08-04 -16 AnHar, 1909, vol 55, p 95
-107   2416170 1903-02-24 2416192 1903-03-18 -22 AnHar, 1909, vol 55, p 95
-106   2416410 1903-10-22 2416417 1903-10-29 -7 AnHar, 1909, vol 55, p 95
-105   2416644 1904-06-12 2416642 1904-06-10 2 SVO
-103   2417097 1905-09-08 2417092 1905-09-03 5 AnHar, 1909, vol 55, p 95
-102   2417305 1906-04-04 2417318 1906-04-17 -13 SVO
-100   2417770 1907-07-13 2417768 1907-07-11 2 AnHar, 1952, vol 115
-99   2418000 1908-02-28 2417993 1908-02-21 7 SVO
-98   2418220 1908-10-05 2418218 1908-10-03 2 AnHar, 1952, vol 115
-97   2418440 1909-05-13 2418444 1909-05-17 -4 AnHar, 1952, vol 115
-95   2418900 1910-08-16 2418894 1910-08-10 6 AnHar, 1952, vol 115
-92   2419560 1912-06-06 2419570 1912-06-16 -10 AnHar, 1952, vol 115
-90   2420010 1913-08-30 2420020 1913-09-09 -10 AnHar, 1952, vol 115
-87   2420690 1915-07-11 2420696 1915-07-17 -6 AnHar, 1952, vol 115
-85   2421145 1916-10-08 2421146 1916-10-09 -1 AnHar, 1952, vol 115
-84   2421370 1917-05-21 2421371 1917-05-22 -1 SVO
-82 9.7 2421829 1918-08-23 2421822 1918-08-16 7 SVO
-79   2422490 1920-06-14 2422497 1920-06-21 -7 SVO
-77 8.5 2422951 1921-09-18 2422948 1921-09-15 3 AAVSO
-76 8.5 2423166 1922-04-21 2423173 1922-04-28 -7 AAVSO
-75   2423394 1922-12-05 2423398 1922-12-09 -4 AAVSO
-74 8.2 2423621 1923-07-20 2423623 1923-07-22 -2 SVO
-73   2423850 1924-03-05 2423849 1924-03-04 1 AAVSO
-72 8.3 2424066 1924-10-07 2424074 1924-10-15 -8 SVO
-71 8.4 2424301 1925-05-30 2424299 1925-05-28 2 AAVSO
-69 7.9 2424753 1926-08-25 2424750 1926-08-22 3 SVO
-68   2424988 1927-04-17 2424975 1927-04-04 13 AAVSO
-67 8.1 2425202 1927-11-17 2425200 1927-11-15 2 AAVSO
-66 8.2 2425429 1928-07-01 2425425 1928-06-27 4 SVO
-65   2425661 1929-02-18 2425650 1929-02-07 11 AAVSO
-64 8.4 2425886 1929-10-01 2425876 1929-09-21 10 AAVSO
-63 8.6 2426108 1930-05-11 2426101 1930-05-04 7 SVO
-62   2426333 1930-12-22 2426326 1930-12-15 7 AAVSO
-61 9.9 2426555 1931-08-01 2426551 1931-07-28 4 AAVSO
-60 8.1 2426780 1932-03-13 2426776 1932-03-09 4 AAVSO
-59 8.6 2427008 1932-10-27 2427002 1932-10-21 6 AAVSO
-58 8.4 2427232 1933-06-08 2427227 1933-06-03 5 SVO
-57 8.4 2427451 1934-01-13 2427452 1934-01-14 -1 AAVSO
-56 9.2 2427675 1934-08-25 2427677 1934-08-27 -2 SVO
-55 8.7 2427900 1935-04-07 2427902 1935-04-09 -2 AAVSO
-54 8.8 2428124 1935-11-17 2428128 1935-11-21 -4 SVO
-53 8.0 2428343 1936-06-23 2428353 1936-07-03 -10 SVO
-52 9.0 2428570 1937-02-05 2428578 1937-02-13 -8 SVO
-51 9.0 2428793 1937-09-16 2428803 1937-09-26 -10 SVO
-50 8.5 2429020 1938-05-01 2429029 1938-05-10 -9 SVO
-49 8.6 2429244 1938-12-11 2429254 1938-12-21 -10 SVO
-48 8.4 2429465 1939-07-20 2429479 1939-08-03 -14 SVO
-47 8.3 2429687 1940-02-27 2429704 1940-03-15 -17 AAVSO
-46 8.6 2429907 1940-10-04 2429929 1940-10-26 -22 SVO
-45 8.5 2430130 1941-05-15 2430155 1941-06-09 -25 SVO
-44 8.7 2430362 1942-01-02 2430380 1942-01-20 -18 AAVSO
-43 8.4 2430585 1942-08-13 2430605 1942-09-02 -20 SVO
-42 8.1 2430813 1943-03-29 2430830 1943-04-15 -17 AAVSO
-41 8.3 2431038 1943-11-09 2431055 1943-11-26 -17 AAVSO
-40 8.4 2431262 1944-06-20 2431281 1944-07-09 -19 SVO
-39 7.7 2431488 1945-02-01 2431506 1945-02-19 -18 AAVSO
-38 8.6 2431711 1945-09-12 2431731 1945-10-02 -20 SVO
-37 9.2 2431935 1946-04-24 2431956 1946-05-15 -21 SVO
-36 8.3 2432148 1946-11-23 2432181 1946-12-26 -33 SVO
-35 8.5 2432378 1947-07-11 2432407 1947-08-09 -29 SVO
-34 8.9 2432607 1948-02-25 2432632 1948-03-21 -25 SVO
-33 7.8 2432823 1948-09-28 2432857 1948-11-01 -34 SVO
-32 9.2 2433058 1949-05-21 2433082 1949-06-14 -24 SVO
-31 8.7 2433282 1949-12-31 2433307 1950-01-25 -25 SVO
-30 8.5 2433505 1950-08-11 2433533 1950-09-08 -28 SVO
-29 8.7 2433729 1951-03-23 2433758 1951-04-21 -29 SVO
-28 8.4 2433956 1951-11-05 2433983 1951-12-02 -27 SVO
-27 9.0 2434187 1952-06-23 2434208 1952-07-14 -21 SVO
-26 8.5 2434416 1953-02-07 2434434 1953-02-25 -18 SVO
-25 8.3 2434636 1953-09-15 2434659 1953-10-08 -23 SVO
-24 8.4 2434857 1954-04-24 2434884 1954-05-21 -27 SVO
-23 8.3 2435084 1954-12-07 2435109 1955-01-01 -25 SVO
-22 8.5 2435316 1955-07-27 2435334 1955-08-14 -18 SVO
-21 8.1 2435531 1956-02-27 2435560 1956-03-27 -29 SVO
-20 8.2 2435753 1956-10-06 2435785 1956-11-07 -32 SVO
-19 8.0 2435974 1957-05-15 2436010 1957-06-20 -36 SVO
-18 8.9 2436207 1958-01-03 2436235 1958-01-31 -28 SVO
-17 9.2 2436440 1958-08-24 2436460 1958-09-13 -20 SVO
-16 7.9 2436650 1959-03-22 2436686 1959-04-27 -36 SVO
-15 9.3 2436892 1959-11-19 2436911 1959-12-08 -19 SVO
-14 8.4 2437111 1960-06-25 2437136 1960-07-20 -25 SVO
-13 8.1 2437334 1961-02-03 2437361 1961-03-02 -27 AAVSO
-12 8.1 2437567 1961-09-24 2437586 1961-10-13 -19 SVO
-11 9.5 2437799 1962-05-14 2437812 1962-05-27 -13 SVO
-10 8.5 2438023 1962-12-24 2438037 1963-01-07 -14 SVO
-9 8.8 2438250 1963-08-08 2438262 1963-08-20 -12 SVO
-8 8.5 2438480 1964-03-25 2438487 1964-04-01 -7 SVO
-7 8.9 2438700 1964-10-31 2438713 1964-11-13 -13 SVO
-6 8.3 2438933 1965-06-21 2438938 1965-06-26 -5 SVO
-5 8.0 2439155 1966-01-29 2439163 1966-02-06 -8 SVO
-4 10.0 2439392 1966-09-23 2439388 1966-09-19 4 SVO
-3 9.4 2439616 1967-05-05 2439613 1967-05-02 3 SVO
-2 8.6 2439836 1967-12-11 2439839 1967-12-14 -3 SVO
-1 8.6 2440067 1968-07-29 2440064 1968-07-26 3 SVO
0 9.3 2440298 1969-03-17 2440289 1969-03-08 9 SVO
1 9.1 2440518 1969-10-23 2440514 1969-10-19 4 SVO
2 8.1 2440745 1970-06-07 2440739 1970-06-01 6 SVO
3 8.9 2440980 1971-01-28 2440965 1971-01-13 15 AAVSO
4 8.4 2441204 1971-09-09 2441190 1971-08-26 14 SVO
5 8.3 2441426 1972-04-18 2441415 1972-04-07 11 SVO
6 8.6 2441656 1972-12-04 2441640 1972-11-18 16 SVO
7 8.2 2441886 1973-07-22 2441865 1973-07-01 21 SVO
8   2442108 1974-03-01 2442091 1974-02-12 17 AAVSO
9 8.5 2442336 1974-10-15 2442316 1974-09-25 20 AAVSO
10 8.3 2442565 1975-06-01 2442541 1975-05-08 24 AAVSO
11   2442787 1976-01-09 2442766 1975-12-19 21 AAVSO
12 8.4 2443009 1976-08-18 2442992 1976-08-01 17 SVO
13 9.5 2443234 1977-03-31 2443217 1977-03-14 17 AAVSO
14   2443461 1977-11-13 2443442 1977-10-25 19 AAVSO
15 7.8 2443683 1978-06-23 2443667 1978-06-07 16 AAVSO
16 9.7 2443901 1979-01-27 2443892 1979-01-18 9 AAVSO
17 8.6 2444125 1979-09-08 2444118 1979-09-01 7 AAVSO
18   2444351 1980-04-21 2444343 1980-04-13 8 AAVSO
19 9.0 2444574 1980-11-30 2444568 1980-11-24 6 AAVSO
20 8.3 2444800 1981-07-14 2444793 1981-07-07 7 SVO
21 8.6 2445029 1982-02-28 2445018 1982-02-17 11 AAVSO
22 8.4 2445250 1982-10-07 2445244 1982-10-01 6 AAVSO
23 8.3 2445479 1983-05-24 2445469 1983-05-14 10 SVO
24 8.6 2445700 1983-12-31 2445694 1983-12-25 6 AAVSO
25 8.2 2445923 1984-08-10 2445919 1984-08-06 4 SVO
26 8.5 2446148 1985-03-23 2446144 1985-03-19 4 AAVSO
27 8.3 2446358 1985-10-19 2446370 1985-10-31 -12 AAVSO
28 8.2 2446585 1986-06-03 2446595 1986-06-13 -10 SVO
29 9.0 2446810 1987-01-14 2446820 1987-01-24 -10 AAVSO
30 8.9 2447037 1987-08-29 2447045 1987-09-06 -8 SVO
31 8.1 2447252 1988-03-31 2447271 1988-04-19 -19 SVO
32   2447481 1988-11-15 2447496 1988-11-30 -15 AAVSO
33 9.1 2447712 1989-07-04 2447721 1989-07-13 -9 SVO
34   2447937 1990-02-14 2447946 1990-02-23 -9 AAVSO
35 9.1 2448156 1990-09-21 2448171 1990-10-06 -15 SVO
36 8.2 2448378 1991-05-01 2448397 1991-05-20 -19 SVO
37   2448605 1991-12-14 2448622 1991-12-31 -17 AAVSO
38 8.0 2448830 1992-07-26 2448847 1992-08-12 -17 SVO
39   2449054 1993-03-07 2449072 1993-03-25 -18 AAVSO
40 9.5 2449274 1993-10-13 2449297 1993-11-05 -23 SVO
41 8.3 2449502 1994-05-29 2449523 1994-06-19 -21 SVO
42   2449713 1994-12-26 2449748 1995-01-30 -35 AAVSO
43 7.9 2449938 1995-08-08 2449973 1995-09-12 -35 SVO
44   2450178 1996-04-04 2450198 1996-04-24 -20 AAVSO
45   2450403 1996-11-15 2450423 1996-12-05 -20 AAVSO
46 8.5 2450621 1997-06-21 2450649 1997-07-19 -28 SVO
47   2450848 1998-02-03 2450874 1998-03-01 -26 AAVSO
48 8.5 2451072 1998-09-15 2451099 1998-10-12 -27 SVO
49 8.2 2451295 1999-04-26 2451324 1999-05-25 -29 SVO
50   2451525 1999-12-12 2451550 2000-01-06 -25 AAVSO
51 8.6 2451752 2000-07-26 2451775 2000-08-18 -23 SVO
52   2451972 2001-03-03 2452000 2001-03-31 -28 AAVSO
53   2452200 2001-10-17 2452225 2001-11-11 -25 AAVSO
54 8.0 2452423 2002-05-28 2452450 2002-06-24 -27 SVO
55   2452644 2003-01-04 2452676 2003-02-05 -32 AAVSO
56 8.3 2452877 2003-08-25 2452901 2003-09-18 -24 SVO
57 8.5 2453102 2004-04-06 2453126 2004-04-30 -24 SVO
58   2453329 2004-11-19 2453351 2004-12-11 -22 AAVSO
59 9.0 2453549 2005-06-27 2453576 2005-07-24 -27 SVO
60   2453779 2006-02-12 2453802 2006-03-07 -23 AAVSO
61 8.0 2454000 2006-09-21 2454027 2006-10-18 -27 SVO
62 9.0 2454227 2007-05-06 2454252 2007-05-31 -25 SVO
63   2454453 2007-12-18 2454477 2008-01-11 -24 AAVSO
64 8.1 2454669 2008-07-21 2454702 2008-08-23 -33 SVO
65   2454899 2009-03-08 2454928 2009-04-06 -29 AAVSO
66 8.7 2455127 2009-10-22 2455153 2009-11-17 -26 AAVSO
67 7.9 2455356 2010-06-08 2455378 2010-06-30 -22 SVO
68   2455575 2011-01-13 2455603 2011-02-10 -28 AAVSO
69 8.2 2455806 2011-09-01 2455828 2011-09-23 -22 SVO
70 8.9 2456030 2012-04-12 2456054 2012-05-06 -24 AAVSO
71   2456248 2012-11-16 2456279 2012-12-17 -31 AAVSO
72 9.7 2456482 2013-07-08 2456504 2013-07-30 -22 SVO
73 9.7 2456710 2014-02-21 2456729 2014-03-12 -19 AAVSO
74 8.7 2456924 2014-09-23 2456955 2014-10-24 -31 SVO
75 8.8 2457154 2015-05-11 2457180 2015-06-06 -26 SVO
76   2457381 2015-12-24 2457405 2016-01-17 -24 AAVSO
77 9.0 2457608 2016-08-07 2457630 2016-08-29 -22 SVO
78 8.4 2457841 2017-03-28 2457855 2017-04-11 -14 SVO
79   2458080 2017-11-22 2458081 2017-11-23 -1 SVO
80 8.2 2458297 2018-06-27 2458306 2018-07-06 -9 SVO
81   2458515 2019-01-31 2458531 2019-02-16 -16 SVO
82 8.3 2458740 2019-09-13 2458756 2019-09-29 -16 SVO
83 8.3 2458967 2020-04-27 2458981 2020-05-11 -14 SVO
84   2459200 2020-12-16 2459207 2020-12-23 -7 SVO
85 8.5 2459419 2021-07-23 2459432 2021-08-05 -13 SVO
86 8.6 2459647 2022-03-08 2459657 2022-03-18 -10 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.