Maxima for U Tuc
Period: 264.8, Epoch: 2444914
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-124   2412667 1893-07-22 2412079 1891-12-12 588 AnHar, 1909, vol 55, p 95
-121   2413446 1895-09-09 2412873 1894-02-13 573 AnHar, 1909, vol 55, p 95
-118   2414220 1897-10-22 2413668 1896-04-18 552 AnHar, 1909, vol 55, p 95
-117   2414491 1898-07-20 2413932 1897-01-07 559 AnHar, 1909, vol 55, p 95
-115   2415000 1899-12-11 2414462 1898-06-21 538 SVO
-114   2415255 1900-08-23 2414727 1899-03-13 528 SVO
-111   2416035 1902-10-12 2415521 1901-05-16 514 SVO
-110   2416300 1903-07-04 2415786 1902-02-05 514 SVO
-108   2416804 1904-11-19 2416316 1903-07-20 488 AnHar, 1909, vol 55, p 95
-107   2417067 1905-08-09 2416580 1904-04-09 487 AnHar, 1909, vol 55, p 95
-104   2417845 1907-09-26 2417375 1906-06-13 470 AnHar, 1952, vol 115
-103   2418100 1908-06-07 2417640 1907-03-05 460 SVO
-102   2418355 1909-02-17 2417904 1907-11-24 451 SVO
-101   2418615 1909-11-04 2418169 1908-08-15 446 SVO
-100   2418876 1910-07-23 2418434 1909-05-07 442 SVO
-98   2419375 1911-12-04 2418964 1910-10-19 411 SVO
-94   2420419 1914-10-13 2420023 1913-09-12 396 SVO
-93   2420675 1915-06-26 2420288 1914-06-04 387 SVO
-91   2421190 1916-11-22 2420817 1915-11-15 373 AnHar, 1952, vol 115
-90   2421460 1917-08-19 2421082 1916-08-06 378 SVO
-89   2421702 1918-04-18 2421347 1917-04-28 355 BHarO, 1926, no 840, p 5
-88 8.7 2421965 1919-01-06 2421612 1918-01-18 353 SVO
-87 8.4 2422227 1919-09-25 2421876 1918-10-09 351 SVO
-86   2422493 1920-06-17 2422141 1919-07-01 352 BHarO, 1926, no 840, p 5
-85 8.6 2422755 1921-03-06 2422406 1920-03-22 349 SVO
-84 8.2 2423020 1921-11-26 2422671 1920-12-12 349 SVO
-83 8.1 2423285 1922-08-18 2422936 1921-09-03 349 AAVSO
-82 8.3 2423549 1923-05-09 2423200 1922-05-25 349 SVO
-81 8.8 2423807 1924-01-22 2423465 1923-02-14 342 SVO
-80 8.2 2424063 1924-10-04 2423730 1923-11-06 333 SVO
-79 8.7 2424335 1925-07-03 2423995 1924-07-28 340 SVO
-78 8.5 2424600 1926-03-25 2424260 1925-04-19 340 SVO
-77 9.8 2424865 1926-12-15 2424524 1926-01-08 341 SVO
-76 8.6 2425122 1927-08-29 2424789 1926-09-30 333 SVO
-75 8.7 2425394 1928-05-27 2425054 1927-06-22 340 SVO
-74 8.7 2425646 1929-02-03 2425319 1928-03-13 327 SVO
-73 8.8 2425911 1929-10-26 2425584 1928-12-03 327 SVO
-72 8.6 2426169 1930-07-11 2425848 1929-08-24 321 SVO
-71 8.5 2426429 1931-03-28 2426113 1930-05-16 316 SVO
-70 8.2 2426684 1931-12-08 2426378 1931-02-05 306 SVO
-69 8.6 2426953 1932-09-02 2426643 1931-10-28 310 SVO
-68 9.5 2427224 1933-05-31 2426908 1932-07-19 316 SVO
-67 8.8 2427483 1934-02-14 2427172 1933-04-09 311 SVO
-66 8.1 2427742 1934-10-31 2427437 1933-12-30 305 SVO
-65 8.7 2428002 1935-07-18 2427702 1934-09-21 300 SVO
-64 9.1 2428269 1936-04-10 2427967 1935-06-13 302 SVO
-63 8.2 2428523 1936-12-20 2428232 1936-03-04 291 SVO
-62 9.6 2428791 1937-09-14 2428496 1936-11-23 295 SVO
-61 9.0 2429050 1938-05-31 2428761 1937-08-15 289 SVO
-60 8.6 2429300 1939-02-05 2429026 1938-05-07 274 SVO
-59 8.5 2429558 1939-10-21 2429291 1939-01-27 267 SVO
-58 8.6 2429817 1940-07-06 2429556 1939-10-19 261 SVO
-57 9.2 2430082 1941-03-28 2429820 1940-07-09 262 SVO
-56 8.3 2430333 1941-12-04 2430085 1941-03-31 248 SVO
-55 9.4 2430596 1942-08-24 2430350 1941-12-21 246 SVO
-54 9.5 2430856 1943-05-11 2430615 1942-09-12 241 SVO
-53 8.4 2431108 1944-01-18 2430880 1943-06-04 228 SVO
-52 9.3 2431367 1944-10-03 2431144 1944-02-23 223 SVO
-51 8.6 2431620 1945-06-13 2431409 1944-11-14 211 SVO
-50 8.6 2431879 1946-02-27 2431674 1945-08-06 205 SVO
-49 8.1 2432123 1946-10-29 2431939 1946-04-28 184 SVO
-48 9.2 2432393 1947-07-26 2432204 1947-01-18 189 SVO
-47 9.1 2432658 1948-04-16 2432468 1947-10-09 190 SVO
-46 9.3 2432915 1948-12-29 2432733 1948-06-30 182 SVO
-45 8.7 2433168 1949-09-08 2432998 1949-03-22 170 SVO
-44 8.7 2433431 1950-05-29 2433263 1949-12-12 168 SVO
-43 8.8 2433690 1951-02-12 2433528 1950-09-03 162 SVO
-42 8.9 2433958 1951-11-07 2433792 1951-05-25 166 SVO
-41 8.8 2434212 1952-07-18 2434057 1952-02-14 155 SVO
-40 8.4 2434467 1953-03-30 2434322 1952-11-05 145 SVO
-39 9.1 2434726 1953-12-14 2434587 1953-07-28 139 SVO
-38 8.7 2434984 1954-08-29 2434852 1954-04-19 132 SVO
-37 9.0 2435246 1955-05-18 2435116 1955-01-08 130 SVO
-36 9.0 2435504 1956-01-31 2435381 1955-09-30 123 SVO
-35 8.4 2435755 1956-10-08 2435646 1956-06-21 109 SVO
-34 8.9 2436014 1957-06-24 2435911 1957-03-13 103 SVO
-33 8.7 2436265 1958-03-02 2436176 1957-12-03 89 SVO
-32 9.1 2436518 1958-11-10 2436440 1958-08-24 78 SVO
-31 8.6 2436779 1959-07-29 2436705 1959-05-16 74 SVO
-30 9.4 2437049 1960-04-24 2436970 1960-02-05 79 SVO
-29 8.5 2437302 1961-01-02 2437235 1960-10-27 67 SVO
-28 9.2 2437559 1961-09-16 2437500 1961-07-19 59 SVO
-27 8.4 2437814 1962-05-29 2437764 1962-04-09 50 SVO
-26 8.7 2438069 1963-02-08 2438029 1962-12-30 40 SVO
-25 8.8 2438331 1963-10-28 2438294 1963-09-21 37 SVO
-24 8.5 2438586 1964-07-09 2438559 1964-06-12 27 SVO
-23 9.3 2438851 1965-03-31 2438824 1965-03-04 27 SVO
-22 8.7 2439116 1965-12-21 2439088 1965-11-23 28 SVO
-21 8.6 2439375 1966-09-06 2439353 1966-08-15 22 SVO
-20 8.9 2439643 1967-06-01 2439618 1967-05-07 25 SVO
-19 8.9 2439907 1968-02-20 2439883 1968-01-27 24 SVO
-18 8.6 2440160 1968-10-30 2440148 1968-10-18 12 SVO
-17 9.0 2440416 1969-07-13 2440412 1969-07-09 4 SVO
-16 8.5 2440675 1970-03-29 2440677 1970-03-31 -2 SVO
-15 9.0 2440948 1970-12-27 2440942 1970-12-21 6 SVO
-14   2441215 1971-09-20 2441207 1971-09-12 8 SVO
-13 9.2 2441482 1972-06-13 2441472 1972-06-03 10 SVO
-12 9.0 2441743 1973-03-01 2441736 1973-02-22 7 SVO
-11 8.7 2442007 1973-11-20 2442001 1973-11-14 6 SVO
-10 9.0 2442270 1974-08-10 2442266 1974-08-06 4 SVO
-9 8.5 2442524 1975-04-21 2442531 1975-04-28 -7 SVO
-8 8.4 2442791 1976-01-13 2442796 1976-01-18 -5 AAVSO
-7 8.6 2443050 1976-09-28 2443060 1976-10-08 -10 SVO
-6 8.7 2443323 1977-06-28 2443325 1977-06-30 -2 SVO
-5 8.4 2443582 1978-03-14 2443590 1978-03-22 -8 SVO
-4 8.7 2443844 1978-12-01 2443855 1978-12-12 -11 AAVSO
-3 9.4 2444118 1979-09-01 2444120 1979-09-03 -2 SVO
-2 8.7 2444378 1980-05-18 2444384 1980-05-24 -6 AAVSO
-1 8.2 2444641 1981-02-05 2444649 1981-02-13 -8 SVO
0 9.1 2444911 1981-11-02 2444914 1981-11-05 -3 SVO
1 9.1 2445176 1982-07-25 2445179 1982-07-28 -3 SVO
2 8.4 2445435 1983-04-10 2445444 1983-04-19 -9 SVO
3 7.9 2445697 1983-12-28 2445708 1984-01-08 -11 SVO
4 9.6 2445966 1984-09-22 2445973 1984-09-29 -7 SVO
5 9.1 2446223 1985-06-06 2446238 1985-06-21 -15 AAVSO
6 8.9 2446492 1986-03-02 2446503 1986-03-13 -11 SVO
7 8.6 2446749 1986-11-14 2446768 1986-12-03 -19 SVO
8 9.3 2447012 1987-08-04 2447032 1987-08-24 -20 SVO
9   2447273 1988-04-21 2447297 1988-05-15 -24 AAVSO
10   2447534 1989-01-07 2447562 1989-02-04 -28 AAVSO
11 8.6 2447788 1989-09-18 2447827 1989-10-27 -39 SVO
12 8.7 2448043 1990-05-31 2448092 1990-07-19 -49 SVO
13 8.5 2448300 1991-02-12 2448356 1991-04-09 -56 SVO
14 9.0 2448559 1991-10-29 2448621 1991-12-30 -62 SVO
15   2448821 1992-07-17 2448886 1992-09-20 -65 AAVSO
16 8.7 2449084 1993-04-06 2449151 1993-06-12 -67 SVO
17 8.6 2449340 1993-12-18 2449416 1994-03-04 -76 SVO
18 8.7 2449601 1994-09-05 2449680 1994-11-23 -79 SVO
19 8.2 2449851 1995-05-13 2449945 1995-08-15 -94 SVO
20 8.5 2450117 1996-02-03 2450210 1996-05-06 -93 SVO
21 8.4 2450366 1996-10-09 2450475 1997-01-26 -109 SVO
22   2450629 1997-06-29 2450740 1997-10-18 -111 AAVSO
23   2450890 1998-03-17 2451004 1998-07-09 -114 AAVSO
24 8.5 2451150 1998-12-02 2451269 1999-03-31 -119 SVO
25 9.4 2451414 1999-08-23 2451534 1999-12-21 -120 SVO
26 8.9 2451668 2000-05-03 2451799 2000-09-11 -131 SVO
27 8.9 2451926 2001-01-16 2452064 2001-06-03 -138 SVO
28 8.1 2452183 2001-09-30 2452328 2002-02-22 -145 SVO
29 8.6 2452451 2002-06-25 2452593 2002-11-14 -142 SVO
30 8.0 2452706 2003-03-07 2452858 2003-08-06 -152 SVO
31 8.5 2452968 2003-11-24 2453123 2004-04-27 -155 SVO
32 8.8 2453230 2004-08-12 2453388 2005-01-17 -158 SVO
33 8.0 2453495 2005-05-04 2453652 2005-10-08 -157 SVO
34 8.0 2453749 2006-01-13 2453917 2006-06-30 -168 SVO
35 8.7 2454018 2006-10-09 2454182 2007-03-22 -164 SVO
36 8.2 2454278 2007-06-26 2454447 2007-12-12 -169 SVO
37 8.7 2454538 2008-03-12 2454712 2008-09-02 -174 SVO
38 8.5 2454805 2008-12-04 2454976 2009-05-24 -171 SVO
39 8.3 2455069 2009-08-25 2455241 2010-02-13 -172 SVO
40 8.1 2455319 2010-05-02 2455506 2010-11-05 -187 SVO
41 8.3 2455579 2011-01-17 2455771 2011-07-28 -192 SVO
42 8.4 2455842 2011-10-07 2456036 2012-04-18 -194 SVO
43 8.0 2456101 2012-06-22 2456300 2013-01-07 -199 SVO
44 8.3 2456372 2013-03-20 2456565 2013-09-29 -193 AAVSO
45 8.5 2456632 2013-12-05 2456830 2014-06-21 -198 SVO
46 7.9 2456888 2014-08-18 2457095 2015-03-13 -207 SVO
47 8.2 2457150 2015-05-07 2457360 2015-12-03 -210 SVO
48 8.0 2457410 2016-01-22 2457624 2016-08-23 -214 SVO
49 9.4 2457684 2016-10-22 2457889 2017-05-15 -205 SVO
50 8.6 2457949 2017-07-14 2458154 2018-02-04 -205 SVO
51 8.8 2458198 2018-03-20 2458419 2018-10-27 -221 SVO
52 8.2 2458458 2018-12-05 2458684 2019-07-19 -226 SVO
53 8.6 2458719 2019-08-23 2458948 2020-04-08 -229 SVO
54 8.3 2458980 2020-05-10 2459213 2020-12-29 -233 SVO
55 8.3 2459234 2021-01-19 2459478 2021-09-20 -244 SVO
56 8.1 2459504 2021-10-16 2459743 2022-06-12 -239 SVO
57 8.3 2459763 2022-07-02 2460008 2023-03-04 -245 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.