Maxima for S Tuc
Period: 240.71, Epoch: 2441432
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-130   2410174 1886-09-24 2410140 1886-08-21 34 TvOC, 1910, vol 5, p 40
-125   2411335 1889-11-28 2411343 1889-12-06 -8 TvOC, 1910, vol 5, p 40
-124   2411605 1890-08-25 2411584 1890-08-04 21 BHarO, 1927, no 847, p 13, TvOC, 1910, vol 5, p 40
-122   2412070 1891-12-03 2412065 1891-11-28 5 BHarO, 1927, no 847, p 13
-121   2412311 1892-07-31 2412306 1892-07-26 5 TvOC, 1910, vol 5, p 40
-118   2413026 1894-07-16 2413028 1894-07-18 -2 AnHar, 1909, vol 55, p 95
-116   2413512 1895-11-14 2413510 1895-11-12 2 BHarO, 1927, no 847, p 13
-115   2413755 1896-07-14 2413750 1896-07-09 5 AnHar, 1909, vol 55, p 95
-114   2413998 1897-03-14 2413991 1897-03-07 7 BHarO, 1927, no 847, p 13
-113   2414230 1897-11-01 2414232 1897-11-03 -2 AnHar, 1909, vol 55, p 95
-112   2414467 1898-06-26 2414472 1898-07-01 -5 AnHar, 1909, vol 55, p 95
-111   2414713 1899-02-27 2414713 1899-02-27 0 AnHar, 1909, vol 55, p 95
-110 8.2 2414952 1899-10-24 2414954 1899-10-26 -2 SVO
-109 7.8 2415189 1900-06-18 2415195 1900-06-24 -6 SVO
-108 8.8 2415438 1901-02-22 2415435 1901-02-19 3 SVO
-107 7.7 2415675 1901-10-17 2415676 1901-10-18 -1 SVO
-106   2415917 1902-06-16 2415917 1902-06-16 0 AnHar, 1909, vol 55, p 95
-105 8.1 2416149 1903-02-03 2416157 1903-02-11 -8 SVO
-104   2416401 1903-10-13 2416398 1903-10-10 3 AnHar, 1909, vol 55, p 95
-103 7.8 2416626 1904-05-25 2416639 1904-06-07 -13 SVO
-102   2416882 1905-02-05 2416880 1905-02-03 2 BHarO, 1927, no 847, p 13
-101   2417117 1905-09-28 2417120 1905-10-01 -3 AnHar, 1909, vol 55, p 95
-100   2417360 1906-05-29 2417361 1906-05-30 -1 SVO
-98 7.8 2417843 1907-09-24 2417842 1907-09-23 1 SVO
-95   2418575 1909-09-25 2418565 1909-09-15 10 GuL, 1918, 1.1, AnHar, 1952, vol 115
-92 8.3 2419282 1911-09-02 2419287 1911-09-07 -5 SVO
-91 8.8 2419522 1912-04-29 2419527 1912-05-04 -5 SVO
-90   2419775 1913-01-07 2419768 1912-12-31 7 BHarO, 1927, no 847, p 13
-86 7.8 2420725 1915-08-15 2420731 1915-08-21 -6 SVO
-85 7.9 2420962 1916-04-08 2420972 1916-04-18 -10 SVO
-82   2421703 1918-04-19 2421694 1918-04-10 9 BHarO, 1927, no 847, p 13
-81 9.7 2421938 1918-12-10 2421934 1918-12-06 4 SVO
-80   2422174 1919-08-03 2422175 1919-08-04 -1 BHarO, 1927, no 847, p 13
-79   2422421 1920-04-06 2422416 1920-04-01 5 BHarO, 1927, no 847, p 13
-78 8.7 2422651 1920-11-22 2422657 1920-11-28 -6 SVO
-77   2422896 1921-07-25 2422897 1921-07-26 -1 BHarO, 1927, no 847, p 13
-76   2423139 1922-03-25 2423138 1922-03-24 1 AAVSO
-75 8.5 2423368 1922-11-09 2423379 1922-11-20 -11 SVO
-74 8.5 2423610 1923-07-09 2423619 1923-07-18 -9 SVO
-73 9.4 2423854 1924-03-09 2423860 1924-03-15 -6 SVO
-72 8.7 2424096 1924-11-06 2424101 1924-11-11 -5 SVO
-71 8.2 2424326 1925-06-24 2424342 1925-07-10 -16 AAVSO
-70 8.7 2424570 1926-02-23 2424582 1926-03-07 -12 SVO
-69 9.0 2424812 1926-10-23 2424823 1926-11-03 -11 AAVSO
-68 8.9 2425036 1927-06-04 2425064 1927-07-02 -28 SVO
-67 9.2 2425288 1928-02-11 2425304 1928-02-27 -16 SVO
-66 9.2 2425534 1928-10-14 2425545 1928-10-25 -11 SVO
-65 8.6 2425763 1929-05-31 2425786 1929-06-23 -23 SVO
-64 9.9 2426013 1930-02-05 2426027 1930-02-19 -14 SVO
-63 9.8 2426261 1930-10-11 2426267 1930-10-17 -6 SVO
-62 8.2 2426490 1931-05-28 2426508 1931-06-15 -18 AAVSO
-61 10.1 2426744 1932-02-06 2426749 1932-02-11 -5 SVO
-60 9.8 2426983 1932-10-02 2426989 1932-10-08 -6 SVO
-59 8.3 2427211 1933-05-18 2427230 1933-06-06 -19 AAVSO
-58 10.3 2427463 1934-01-25 2427471 1934-02-02 -8 SVO
-57 9.5 2427697 1934-09-16 2427712 1934-10-01 -15 SVO
-56 9.5 2427949 1935-05-26 2427952 1935-05-29 -3 SVO
-55 8.6 2428181 1936-01-13 2428193 1936-01-25 -12 SVO
-54 9.4 2428425 1936-09-13 2428434 1936-09-22 -9 SVO
-53 9.6 2428675 1937-05-21 2428674 1937-05-20 1 SVO
-52 8.8 2428918 1938-01-19 2428915 1938-01-16 3 SVO
-51 8.9 2429155 1938-09-13 2429156 1938-09-14 -1 SVO
-50 9.6 2429406 1939-05-22 2429397 1939-05-13 9 SVO
-49 8.8 2429633 1940-01-04 2429637 1940-01-08 -4 SVO
-48 10.2 2429882 1940-09-09 2429878 1940-09-05 4 AAVSO
-47 9.5 2430121 1941-05-06 2430119 1941-05-04 2 AAVSO
-46 9.4 2430353 1941-12-24 2430359 1941-12-30 -6 SVO
-45 8.8 2430591 1942-08-19 2430600 1942-08-28 -9 AAVSO
-44 9.6 2430835 1943-04-20 2430841 1943-04-26 -6 SVO
-43 8.8 2431067 1943-12-08 2431081 1943-12-22 -14 SVO
-42 9.3 2431310 1944-08-07 2431322 1944-08-19 -12 SVO
-41 9.6 2431559 1945-04-13 2431563 1945-04-17 -4 SVO
-40 9.2 2431792 1945-12-02 2431804 1945-12-14 -12 SVO
-39 9.3 2432035 1946-08-02 2432044 1946-08-11 -9 SVO
-38 9.6 2432282 1947-04-06 2432285 1947-04-09 -3 SVO
-37 9.8 2432519 1947-11-29 2432526 1947-12-06 -7 SVO
-36 8.8 2432744 1948-07-11 2432766 1948-08-02 -22 SVO
-35 10.1 2433001 1949-03-25 2433007 1949-03-31 -6 SVO
-34 9.4 2433234 1949-11-13 2433248 1949-11-27 -14 SVO
-33 9.8 2433483 1950-07-20 2433489 1950-07-26 -6 SVO
-32 9.2 2433719 1951-03-13 2433729 1951-03-23 -10 SVO
-31 9.9 2433965 1951-11-14 2433970 1951-11-19 -5 SVO
-30 9.5 2434207 1952-07-13 2434211 1952-07-17 -4 SVO
-29 9.8 2434453 1953-03-16 2434451 1953-03-14 2 SVO
-28 8.8 2434693 1953-11-11 2434692 1953-11-10 1 SVO
-27 8.9 2434925 1954-07-01 2434933 1954-07-09 -8 SVO
-26 9.2 2435168 1955-03-01 2435174 1955-03-07 -6 SVO
-25 9.2 2435409 1955-10-28 2435414 1955-11-02 -5 SVO
-24 8.8 2435646 1956-06-21 2435655 1956-06-30 -9 SVO
-23 9.8 2435892 1957-02-22 2435896 1957-02-26 -4 SVO
-22 9.5 2436138 1957-10-26 2436136 1957-10-24 2 SVO
-21 9.0 2436383 1958-06-28 2436377 1958-06-22 6 SVO
-20 9.4 2436618 1959-02-18 2436618 1959-02-18 0 SVO
-19 9.1 2436858 1959-10-16 2436859 1959-10-17 -1 SVO
-18 9.2 2437095 1960-06-09 2437099 1960-06-13 -4 SVO
-17 9.2 2437340 1961-02-09 2437340 1961-02-09 0 SVO
-16 8.9 2437573 1961-09-30 2437581 1961-10-08 -8 SVO
-15 9.7 2437814 1962-05-29 2437821 1962-06-05 -7 SVO
-14 9.5 2438061 1963-01-31 2438062 1963-02-01 -1 SVO
-13 9.3 2438295 1963-09-22 2438303 1963-09-30 -8 SVO
-12 9.1 2438531 1964-05-15 2438543 1964-05-27 -12 SVO
-11 9.4 2438771 1965-01-10 2438784 1965-01-23 -13 SVO
-10 10.0 2439015 1965-09-11 2439025 1965-09-21 -10 SVO
-9 9.2 2439247 1966-05-01 2439266 1966-05-20 -19 SVO
-8 9.2 2439495 1967-01-04 2439506 1967-01-15 -11 SVO
-7 10.0 2439737 1967-09-03 2439747 1967-09-13 -10 SVO
-6 9.2 2439970 1968-04-23 2439988 1968-05-11 -18 SVO
-5 9.2 2440216 1968-12-25 2440228 1969-01-06 -12 SVO
-4 9.2 2440460 1969-08-26 2440469 1969-09-04 -9 SVO
-3 8.8 2440691 1970-04-14 2440710 1970-05-03 -19 SVO
-2 9.3 2440935 1970-12-14 2440951 1970-12-30 -16 SVO
-1 8.9 2441182 1971-08-18 2441191 1971-08-27 -9 SVO
0   2441421 1972-04-13 2441432 1972-04-24 -11 AAVSO
1 8.9 2441665 1972-12-13 2441673 1972-12-21 -8 SVO
2 8.9 2441902 1973-08-07 2441913 1973-08-18 -11 SVO
3 9.5 2442145 1974-04-07 2442154 1974-04-16 -9 SVO
4 9.0 2442384 1974-12-02 2442395 1974-12-13 -11 SVO
5 8.9 2442621 1975-07-27 2442636 1975-08-11 -15 SVO
6 9.5 2442868 1976-03-30 2442876 1976-04-07 -8 SVO
7 8.9 2443104 1976-11-21 2443117 1976-12-04 -13 SVO
8 9.0 2443350 1977-07-25 2443358 1977-08-02 -8 AAVSO
9   2443589 1978-03-21 2443598 1978-03-30 -9 AAVSO
10 9.1 2443816 1978-11-03 2443839 1978-11-26 -23 SVO
11 8.0 2444076 1979-07-21 2444080 1979-07-25 -4 AAVSO
12 10.0 2444312 1980-03-13 2444321 1980-03-22 -9 AAVSO
13 9.2 2444532 1980-10-19 2444561 1980-11-17 -29 SVO
14 9.4 2444787 1981-07-01 2444802 1981-07-16 -15 SVO
15 8.6 2445035 1982-03-06 2445043 1982-03-14 -8 AAVSO
16 9.5 2445264 1982-10-21 2445283 1982-11-09 -19 SVO
17 8.5 2445505 1983-06-19 2445524 1983-07-08 -19 AAVSO
18 9.8 2445751 1984-02-20 2445765 1984-03-05 -14 SVO
19 9.1 2445992 1984-10-18 2446005 1984-10-31 -13 SVO
20 8.2 2446229 1985-06-12 2446246 1985-06-29 -17 AAVSO
21 10.2 2446470 1986-02-08 2446487 1986-02-25 -17 AAVSO
22 9.0 2446715 1986-10-11 2446728 1986-10-24 -13 SVO
23 9.6 2446961 1987-06-14 2446968 1987-06-21 -7 AAVSO
24 9.6 2447203 1988-02-11 2447209 1988-02-17 -6 SVO
25 8.6 2447435 1988-09-30 2447450 1988-10-15 -15 SVO
26   2447684 1989-06-06 2447690 1989-06-12 -6 AAVSO
27   2447931 1990-02-08 2447931 1990-02-08 0 AAVSO
28 8.7 2448159 1990-09-24 2448172 1990-10-07 -13 SVO
29   2448403 1991-05-26 2448413 1991-06-05 -10 AAVSO
30   2448646 1992-01-24 2448653 1992-01-31 -7 AAVSO
31   2448895 1992-09-29 2448894 1992-09-28 1 AAVSO
32   2449132 1993-05-24 2449135 1993-05-27 -3 AAVSO
33   2449393 1994-02-09 2449375 1994-01-22 18 AAVSO
34 8.7 2449621 1994-09-25 2449616 1994-09-20 5 SVO
35   2449865 1995-05-27 2449857 1995-05-19 8 AAVSO
36 9.0 2450110 1996-01-27 2450098 1996-01-15 12 SVO
37 9.3 2450348 1996-09-21 2450338 1996-09-11 10 SVO
38   2450600 1997-05-31 2450579 1997-05-10 21 AAVSO
39   2450820 1998-01-06 2450820 1998-01-06 0 AAVSO
40 9.5 2451083 1998-09-26 2451060 1998-09-03 23 SVO
41   2451317 1999-05-18 2451301 1999-05-02 16 AAVSO
42   2451547 2000-01-03 2451542 1999-12-29 5 AAVSO
43   2451790 2000-09-02 2451783 2000-08-26 7 AAVSO
44 8.7 2452048 2001-05-18 2452023 2001-04-23 25 SVO
45 9.1 2452271 2001-12-27 2452264 2001-12-20 7 SVO
46 8.5 2452512 2002-08-25 2452505 2002-08-18 7 SVO
47   2452752 2003-04-22 2452745 2003-04-15 7 AAVSO
48   2453015 2004-01-10 2452986 2003-12-12 29 AAVSO
49 8.7 2453241 2004-08-23 2453227 2004-08-09 14 SVO
50   2453504 2005-05-13 2453468 2005-04-07 36 AAVSO
51 9.5 2453740 2006-01-04 2453708 2005-12-03 32 SVO
52 8.7 2453973 2006-08-25 2453949 2006-08-01 24 SVO
53   2454216 2007-04-25 2454190 2007-03-30 26 AAVSO
54 9.3 2454463 2007-12-28 2454430 2007-11-25 33 SVO
55 8.8 2454701 2008-08-22 2454671 2008-07-23 30 SVO
56 8.9 2454949 2009-04-27 2454912 2009-03-21 37 SVO
57 8.4 2455179 2009-12-13 2455152 2009-11-16 27 SVO
58 9.9 2455421 2010-08-12 2455393 2010-07-15 28 AAVSO
59 9.9 2455661 2011-04-09 2455634 2011-03-13 27 AAVSO
60 9.4 2455913 2011-12-17 2455875 2011-11-09 38 AAVSO
61 9.5 2456161 2012-08-21 2456115 2012-07-06 46 SVO
62 8.9 2456402 2013-04-19 2456356 2013-03-04 46 AAVSO
63 10.3 2456641 2013-12-14 2456597 2013-10-31 44 SVO
64 9.4 2456877 2014-08-07 2456837 2014-06-28 40 SVO
65   2457124 2015-04-11 2457078 2015-02-24 46 AAVSO
66 9.3 2457366 2015-12-09 2457319 2015-10-23 47 SVO
67 8.6 2457601 2016-07-31 2457560 2016-06-20 41 SVO
68 9.7 2457864 2017-04-20 2457800 2017-02-15 64 AAVSO
69 9.4 2458093 2017-12-05 2458041 2017-10-14 52 AAVSO
70 9.4 2458349 2018-08-18 2458282 2018-06-12 67 SVO
71   2458590 2019-04-16 2458522 2019-02-07 68 SVO
72 9.4 2458828 2019-12-10 2458763 2019-10-06 65 SVO
73 8.8 2459066 2020-08-04 2459004 2020-06-03 62 SVO
74   2459320 2021-04-15 2459245 2021-01-30 75 SVO
75 8.8 2459554 2021-12-05 2459485 2021-09-27 69 SVO
76 9.7 2459802 2022-08-10 2459726 2022-05-26 76 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.