Maxima for U Tuc
Period: 262, Epoch: 2452705
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-154   2412667 1893-07-22 2412357 1892-09-15 310 AnHar, 1909, vol 55, p 95
-151   2413446 1895-09-09 2413143 1894-11-10 303 AnHar, 1909, vol 55, p 95
-148   2414220 1897-10-22 2413929 1897-01-04 291 AnHar, 1909, vol 55, p 95
-147   2414491 1898-07-20 2414191 1897-09-23 300 AnHar, 1909, vol 55, p 95
-145   2415000 1899-12-11 2414715 1899-03-01 285 SVO
-144   2415255 1900-08-23 2414977 1899-11-18 278 SVO
-141   2416035 1902-10-12 2415763 1902-01-13 272 SVO
-140   2416300 1903-07-04 2416025 1902-10-02 275 SVO
-138   2416804 1904-11-19 2416549 1904-03-09 255 AnHar, 1909, vol 55, p 95
-137   2417067 1905-08-09 2416811 1904-11-26 256 AnHar, 1909, vol 55, p 95
-134   2417845 1907-09-26 2417597 1907-01-21 248 AnHar, 1952, vol 115
-133   2418100 1908-06-07 2417859 1907-10-10 241 SVO
-132   2418355 1909-02-17 2418121 1908-06-28 234 SVO
-131   2418615 1909-11-04 2418383 1909-03-17 232 SVO
-130   2418876 1910-07-23 2418645 1909-12-04 231 SVO
-128   2419375 1911-12-04 2419169 1911-05-12 206 SVO
-124   2420419 1914-10-13 2420217 1914-03-25 202 SVO
-123   2420675 1915-06-26 2420479 1914-12-12 196 SVO
-121   2421190 1916-11-22 2421003 1916-05-19 187 AnHar, 1952, vol 115
-120   2421460 1917-08-19 2421265 1917-02-05 195 SVO
-119   2421702 1918-04-18 2421527 1917-10-25 175 BHarO, 1926, no 840, p 5
-118 8.7 2421965 1919-01-06 2421789 1918-07-14 176 SVO
-117 8.4 2422227 1919-09-25 2422051 1919-04-02 176 SVO
-116   2422493 1920-06-17 2422313 1919-12-20 180 BHarO, 1926, no 840, p 5
-115 8.6 2422755 1921-03-06 2422575 1920-09-07 180 SVO
-114 8.2 2423020 1921-11-26 2422837 1921-05-27 183 SVO
-113 8.1 2423285 1922-08-18 2423099 1922-02-13 186 AAVSO
-112 8.3 2423549 1923-05-09 2423361 1922-11-02 188 SVO
-111 8.8 2423807 1924-01-22 2423623 1923-07-22 184 SVO
-110 8.2 2424063 1924-10-04 2423885 1924-04-09 178 SVO
-109 8.7 2424335 1925-07-03 2424147 1924-12-27 188 SVO
-108 8.5 2424600 1926-03-25 2424409 1925-09-15 191 SVO
-107 9.8 2424865 1926-12-15 2424671 1926-06-04 194 SVO
-106 8.6 2425122 1927-08-29 2424933 1927-02-21 189 SVO
-105 8.7 2425394 1928-05-27 2425195 1927-11-10 199 SVO
-104 8.7 2425646 1929-02-03 2425457 1928-07-29 189 SVO
-103 8.8 2425911 1929-10-26 2425719 1929-04-17 192 SVO
-102 8.6 2426169 1930-07-11 2425981 1930-01-04 188 SVO
-101 8.5 2426429 1931-03-28 2426243 1930-09-23 186 SVO
-100 8.2 2426684 1931-12-08 2426505 1931-06-12 179 SVO
-99 8.6 2426953 1932-09-02 2426767 1932-02-29 186 SVO
-98 9.5 2427224 1933-05-31 2427029 1932-11-17 195 SVO
-97 8.8 2427483 1934-02-14 2427291 1933-08-06 192 SVO
-96 8.1 2427742 1934-10-31 2427553 1934-04-25 189 SVO
-95 8.7 2428002 1935-07-18 2427815 1935-01-12 187 SVO
-94 9.1 2428269 1936-04-10 2428077 1935-10-01 192 SVO
-93 8.2 2428523 1936-12-20 2428339 1936-06-19 184 SVO
-92 9.6 2428791 1937-09-14 2428601 1937-03-08 190 SVO
-91 9.0 2429050 1938-05-31 2428863 1937-11-25 187 SVO
-90 8.6 2429300 1939-02-05 2429125 1938-08-14 175 SVO
-89 8.5 2429558 1939-10-21 2429387 1939-05-03 171 SVO
-88 8.6 2429817 1940-07-06 2429649 1940-01-20 168 SVO
-87 9.2 2430082 1941-03-28 2429911 1940-10-08 171 SVO
-86 8.3 2430333 1941-12-04 2430173 1941-06-27 160 SVO
-85 9.4 2430596 1942-08-24 2430435 1942-03-16 161 SVO
-84 9.5 2430856 1943-05-11 2430697 1942-12-03 159 SVO
-83 8.4 2431108 1944-01-18 2430959 1943-08-22 149 SVO
-82 9.3 2431367 1944-10-03 2431221 1944-05-10 146 SVO
-81 8.6 2431620 1945-06-13 2431483 1945-01-27 137 SVO
-80 8.6 2431879 1946-02-27 2431745 1945-10-16 134 SVO
-79 8.1 2432123 1946-10-29 2432007 1946-07-05 116 SVO
-78 9.2 2432393 1947-07-26 2432269 1947-03-24 124 SVO
-77 9.1 2432658 1948-04-16 2432531 1947-12-11 127 SVO
-76 9.3 2432915 1948-12-29 2432793 1948-08-29 122 SVO
-75 8.7 2433168 1949-09-08 2433055 1949-05-18 113 SVO
-74 8.7 2433431 1950-05-29 2433317 1950-02-04 114 SVO
-73 8.8 2433690 1951-02-12 2433579 1950-10-24 111 SVO
-72 8.9 2433958 1951-11-07 2433841 1951-07-13 117 SVO
-71 8.8 2434212 1952-07-18 2434103 1952-03-31 109 SVO
-70 8.4 2434467 1953-03-30 2434365 1952-12-18 102 SVO
-69 9.1 2434726 1953-12-14 2434627 1953-09-06 99 SVO
-68 8.7 2434984 1954-08-29 2434889 1954-05-26 95 SVO
-67 9.0 2435246 1955-05-18 2435151 1955-02-12 95 SVO
-66 9.0 2435504 1956-01-31 2435413 1955-11-01 91 SVO
-65 8.4 2435755 1956-10-08 2435675 1956-07-20 80 SVO
-64 8.9 2436014 1957-06-24 2435937 1957-04-08 77 SVO
-63 8.7 2436265 1958-03-02 2436199 1957-12-26 66 SVO
-62 9.1 2436518 1958-11-10 2436461 1958-09-14 57 SVO
-61 8.6 2436779 1959-07-29 2436723 1959-06-03 56 SVO
-60 9.4 2437049 1960-04-24 2436985 1960-02-20 64 SVO
-59 8.5 2437302 1961-01-02 2437247 1960-11-08 55 SVO
-58 9.2 2437559 1961-09-16 2437509 1961-07-28 50 SVO
-57 8.4 2437814 1962-05-29 2437771 1962-04-16 43 SVO
-56 8.7 2438069 1963-02-08 2438033 1963-01-03 36 SVO
-55 8.8 2438331 1963-10-28 2438295 1963-09-22 36 SVO
-54 8.5 2438586 1964-07-09 2438557 1964-06-10 29 SVO
-53 9.3 2438851 1965-03-31 2438819 1965-02-27 32 SVO
-52 8.7 2439116 1965-12-21 2439081 1965-11-16 35 SVO
-51 8.6 2439375 1966-09-06 2439343 1966-08-05 32 SVO
-50 8.9 2439643 1967-06-01 2439605 1967-04-24 38 SVO
-49 8.9 2439907 1968-02-20 2439867 1968-01-11 40 SVO
-48 8.6 2440160 1968-10-30 2440129 1968-09-29 31 SVO
-47 9.0 2440416 1969-07-13 2440391 1969-06-18 25 SVO
-46 8.5 2440675 1970-03-29 2440653 1970-03-07 22 SVO
-45 9.0 2440948 1970-12-27 2440915 1970-11-24 33 SVO
-44   2441215 1971-09-20 2441177 1971-08-13 38 SVO
-43 9.2 2441482 1972-06-13 2441439 1972-05-01 43 SVO
-42 9.0 2441743 1973-03-01 2441701 1973-01-18 42 SVO
-41 8.7 2442007 1973-11-20 2441963 1973-10-07 44 SVO
-40 9.0 2442270 1974-08-10 2442225 1974-06-26 45 SVO
-39 8.5 2442524 1975-04-21 2442487 1975-03-15 37 SVO
-38 8.4 2442791 1976-01-13 2442749 1975-12-02 42 AAVSO
-37 8.6 2443050 1976-09-28 2443011 1976-08-20 39 SVO
-36 8.7 2443323 1977-06-28 2443273 1977-05-09 50 SVO
-35 8.4 2443582 1978-03-14 2443535 1978-01-26 47 SVO
-34 8.7 2443844 1978-12-01 2443797 1978-10-15 47 AAVSO
-33 9.4 2444118 1979-09-01 2444059 1979-07-04 59 SVO
-32 8.7 2444378 1980-05-18 2444321 1980-03-22 57 AAVSO
-31 8.2 2444641 1981-02-05 2444583 1980-12-09 58 SVO
-30 9.1 2444911 1981-11-02 2444845 1981-08-28 66 SVO
-29 9.1 2445176 1982-07-25 2445107 1982-05-17 69 SVO
-28 8.4 2445435 1983-04-10 2445369 1983-02-03 66 SVO
-27 7.9 2445697 1983-12-28 2445631 1983-10-23 66 SVO
-26 9.6 2445966 1984-09-22 2445893 1984-07-11 73 SVO
-25 9.1 2446223 1985-06-06 2446155 1985-03-30 68 AAVSO
-24 8.9 2446492 1986-03-02 2446417 1985-12-17 75 SVO
-23 8.6 2446749 1986-11-14 2446679 1986-09-05 70 SVO
-22 9.3 2447012 1987-08-04 2446941 1987-05-25 71 SVO
-21   2447273 1988-04-21 2447203 1988-02-11 70 AAVSO
-20   2447534 1989-01-07 2447465 1988-10-30 69 AAVSO
-19 8.6 2447788 1989-09-18 2447727 1989-07-19 61 SVO
-18 8.7 2448043 1990-05-31 2447989 1990-04-07 54 SVO
-17 8.5 2448300 1991-02-12 2448251 1990-12-25 49 SVO
-16 9.0 2448559 1991-10-29 2448513 1991-09-13 46 SVO
-15   2448821 1992-07-17 2448775 1992-06-01 46 AAVSO
-14 8.7 2449084 1993-04-06 2449037 1993-02-18 47 SVO
-13 8.6 2449340 1993-12-18 2449299 1993-11-07 41 SVO
-12 8.7 2449601 1994-09-05 2449561 1994-07-27 40 SVO
-11 8.2 2449851 1995-05-13 2449823 1995-04-15 28 SVO
-10 8.5 2450117 1996-02-03 2450085 1996-01-02 32 SVO
-9 8.4 2450366 1996-10-09 2450347 1996-09-20 19 SVO
-8   2450629 1997-06-29 2450609 1997-06-09 20 AAVSO
-7   2450890 1998-03-17 2450871 1998-02-26 19 AAVSO
-6 8.5 2451150 1998-12-02 2451133 1998-11-15 17 SVO
-5 9.4 2451414 1999-08-23 2451395 1999-08-04 19 SVO
-4 8.9 2451668 2000-05-03 2451657 2000-04-22 11 SVO
-3 8.9 2451926 2001-01-16 2451919 2001-01-09 7 SVO
-2 8.1 2452183 2001-09-30 2452181 2001-09-28 2 SVO
-1 8.6 2452451 2002-06-25 2452443 2002-06-17 8 SVO
0 8.0 2452706 2003-03-07 2452705 2003-03-06 1 SVO
1 8.5 2452968 2003-11-24 2452967 2003-11-23 1 SVO
2 8.8 2453230 2004-08-12 2453229 2004-08-11 1 SVO
3 8.0 2453495 2005-05-04 2453491 2005-04-30 4 SVO
4 8.0 2453749 2006-01-13 2453753 2006-01-17 -4 SVO
5 8.7 2454018 2006-10-09 2454015 2006-10-06 3 SVO
6 8.2 2454278 2007-06-26 2454277 2007-06-25 1 SVO
7 8.7 2454538 2008-03-12 2454539 2008-03-13 -1 SVO
8 8.5 2454805 2008-12-04 2454801 2008-11-30 4 SVO
9 8.3 2455069 2009-08-25 2455063 2009-08-19 6 SVO
10 8.1 2455319 2010-05-02 2455325 2010-05-08 -6 SVO
11 8.3 2455579 2011-01-17 2455587 2011-01-25 -8 SVO
12 8.4 2455842 2011-10-07 2455849 2011-10-14 -7 SVO
13 8.0 2456101 2012-06-22 2456111 2012-07-02 -10 SVO
14 8.3 2456372 2013-03-20 2456373 2013-03-21 -1 AAVSO
15 8.5 2456632 2013-12-05 2456635 2013-12-08 -3 SVO
16 7.9 2456888 2014-08-18 2456897 2014-08-27 -9 SVO
17 8.2 2457150 2015-05-07 2457159 2015-05-16 -9 SVO
18 8.0 2457410 2016-01-22 2457421 2016-02-02 -11 SVO
19 9.4 2457684 2016-10-22 2457683 2016-10-21 1 SVO
20 8.6 2457949 2017-07-14 2457945 2017-07-10 4 SVO
21 8.8 2458198 2018-03-20 2458207 2018-03-29 -9 SVO
22 8.2 2458458 2018-12-05 2458469 2018-12-16 -11 SVO
23 8.6 2458719 2019-08-23 2458731 2019-09-04 -12 SVO
24 8.3 2458980 2020-05-10 2458993 2020-05-23 -13 SVO
25 8.3 2459234 2021-01-19 2459255 2021-02-09 -21 SVO
26 8.1 2459504 2021-10-16 2459517 2021-10-29 -13 SVO
27 8.3 2459763 2022-07-02 2459779 2022-07-18 -16 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.