Maxima for S Tuc
Period: 242.4, Epoch: 2454707
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-185   2410174 1886-09-24 2409863 1885-11-17 311 TvOC, 1910, vol 5, p 40
-180   2411335 1889-11-28 2411075 1889-03-13 260 TvOC, 1910, vol 5, p 40
-179   2411605 1890-08-25 2411317 1889-11-10 288 BHarO, 1927, no 847, p 13, TvOC, 1910, vol 5, p 40
-177   2412070 1891-12-03 2411802 1891-03-10 268 BHarO, 1927, no 847, p 13
-176   2412311 1892-07-31 2412045 1891-11-08 266 TvOC, 1910, vol 5, p 40
-173   2413026 1894-07-16 2412772 1893-11-04 254 AnHar, 1909, vol 55, p 95
-171   2413512 1895-11-14 2413257 1895-03-04 255 BHarO, 1927, no 847, p 13
-170   2413755 1896-07-14 2413499 1895-11-01 256 AnHar, 1909, vol 55, p 95
-169   2413998 1897-03-14 2413741 1896-06-30 257 BHarO, 1927, no 847, p 13
-168   2414230 1897-11-01 2413984 1897-02-28 246 AnHar, 1909, vol 55, p 95
-167   2414467 1898-06-26 2414226 1897-10-28 241 AnHar, 1909, vol 55, p 95
-166   2414713 1899-02-27 2414469 1898-06-28 244 AnHar, 1909, vol 55, p 95
-165 8.2 2414952 1899-10-24 2414711 1899-02-25 241 SVO
-164 7.8 2415189 1900-06-18 2414953 1899-10-25 236 SVO
-163 8.8 2415438 1901-02-22 2415196 1900-06-25 242 SVO
-162 7.7 2415675 1901-10-17 2415438 1901-02-22 237 SVO
-161   2415917 1902-06-16 2415681 1901-10-23 236 AnHar, 1909, vol 55, p 95
-160 8.1 2416149 1903-02-03 2415923 1902-06-22 226 SVO
-159   2416401 1903-10-13 2416165 1903-02-19 236 AnHar, 1909, vol 55, p 95
-158 7.8 2416626 1904-05-25 2416408 1903-10-20 218 SVO
-157   2416882 1905-02-05 2416650 1904-06-18 232 BHarO, 1927, no 847, p 13
-156   2417117 1905-09-28 2416893 1905-02-16 224 AnHar, 1909, vol 55, p 95
-155   2417360 1906-05-29 2417135 1905-10-16 225 SVO
-153 7.8 2417843 1907-09-24 2417620 1907-02-13 223 SVO
-150   2418575 1909-09-25 2418347 1909-02-09 228 GuL, 1918, 1.1, AnHar, 1952, vol 115
-147 8.3 2419282 1911-09-02 2419074 1911-02-06 208 SVO
-146 8.8 2419522 1912-04-29 2419317 1911-10-07 205 SVO
-145   2419775 1913-01-07 2419559 1912-06-05 216 BHarO, 1927, no 847, p 13
-141 7.8 2420725 1915-08-15 2420529 1915-01-31 196 SVO
-140 7.9 2420962 1916-04-08 2420771 1915-09-30 191 SVO
-137   2421703 1918-04-19 2421498 1917-09-26 205 BHarO, 1927, no 847, p 13
-136 9.7 2421938 1918-12-10 2421741 1918-05-27 197 SVO
-135   2422174 1919-08-03 2421983 1919-01-24 191 BHarO, 1927, no 847, p 13
-134   2422421 1920-04-06 2422225 1919-09-23 196 BHarO, 1927, no 847, p 13
-133 8.7 2422651 1920-11-22 2422468 1920-05-23 183 SVO
-132   2422896 1921-07-25 2422710 1921-01-20 186 BHarO, 1927, no 847, p 13
-131   2423139 1922-03-25 2422953 1921-09-20 186 AAVSO
-130 8.5 2423368 1922-11-09 2423195 1922-05-20 173 SVO
-129 8.5 2423610 1923-07-09 2423437 1923-01-17 173 SVO
-128 9.4 2423854 1924-03-09 2423680 1923-09-17 174 SVO
-127 8.7 2424096 1924-11-06 2423922 1924-05-16 174 SVO
-126 8.2 2424326 1925-06-24 2424165 1925-01-14 161 AAVSO
-125 8.7 2424570 1926-02-23 2424407 1925-09-13 163 SVO
-124 9.0 2424812 1926-10-23 2424649 1926-05-13 163 AAVSO
-123 8.9 2425036 1927-06-04 2424892 1927-01-11 144 SVO
-122 9.2 2425288 1928-02-11 2425134 1927-09-10 154 SVO
-121 9.2 2425534 1928-10-14 2425377 1928-05-10 157 SVO
-120 8.6 2425763 1929-05-31 2425619 1929-01-07 144 SVO
-119 9.9 2426013 1930-02-05 2425861 1929-09-06 152 SVO
-118 9.8 2426261 1930-10-11 2426104 1930-05-07 157 SVO
-117 8.2 2426490 1931-05-28 2426346 1931-01-04 144 AAVSO
-116 10.1 2426744 1932-02-06 2426589 1931-09-04 155 SVO
-115 9.8 2426983 1932-10-02 2426831 1932-05-03 152 SVO
-114 8.3 2427211 1933-05-18 2427073 1932-12-31 138 AAVSO
-113 10.3 2427463 1934-01-25 2427316 1933-08-31 147 SVO
-112 9.5 2427697 1934-09-16 2427558 1934-04-30 139 SVO
-111 9.5 2427949 1935-05-26 2427801 1934-12-29 148 SVO
-110 8.6 2428181 1936-01-13 2428043 1935-08-28 138 SVO
-109 9.4 2428425 1936-09-13 2428285 1936-04-26 140 SVO
-108 9.6 2428675 1937-05-21 2428528 1936-12-25 147 SVO
-107 8.8 2428918 1938-01-19 2428770 1937-08-24 148 SVO
-106 8.9 2429155 1938-09-13 2429013 1938-04-24 142 SVO
-105 9.6 2429406 1939-05-22 2429255 1938-12-22 151 SVO
-104 8.8 2429633 1940-01-04 2429497 1939-08-21 136 SVO
-103 10.2 2429882 1940-09-09 2429740 1940-04-20 142 AAVSO
-102 9.5 2430121 1941-05-06 2429982 1940-12-18 139 AAVSO
-101 9.4 2430353 1941-12-24 2430225 1941-08-18 128 SVO
-100 8.8 2430591 1942-08-19 2430467 1942-04-17 124 AAVSO
-99 9.6 2430835 1943-04-20 2430709 1942-12-15 126 SVO
-98 8.8 2431067 1943-12-08 2430952 1943-08-15 115 SVO
-97 9.3 2431310 1944-08-07 2431194 1944-04-13 116 SVO
-96 9.6 2431559 1945-04-13 2431437 1944-12-12 122 SVO
-95 9.2 2431792 1945-12-02 2431679 1945-08-11 113 SVO
-94 9.3 2432035 1946-08-02 2431921 1946-04-10 114 SVO
-93 9.6 2432282 1947-04-06 2432164 1946-12-09 118 SVO
-92 9.8 2432519 1947-11-29 2432406 1947-08-08 113 SVO
-91 8.8 2432744 1948-07-11 2432649 1948-04-07 95 SVO
-90 10.1 2433001 1949-03-25 2432891 1948-12-05 110 SVO
-89 9.4 2433234 1949-11-13 2433133 1949-08-04 101 SVO
-88 9.8 2433483 1950-07-20 2433376 1950-04-04 107 SVO
-87 9.2 2433719 1951-03-13 2433618 1950-12-02 101 SVO
-86 9.9 2433965 1951-11-14 2433861 1951-08-02 104 SVO
-85 9.5 2434207 1952-07-13 2434103 1952-03-31 104 SVO
-84 9.8 2434453 1953-03-16 2434345 1952-11-28 108 SVO
-83 8.8 2434693 1953-11-11 2434588 1953-07-29 105 SVO
-82 8.9 2434925 1954-07-01 2434830 1954-03-28 95 SVO
-81 9.2 2435168 1955-03-01 2435073 1954-11-26 95 SVO
-80 9.2 2435409 1955-10-28 2435315 1955-07-26 94 SVO
-79 8.8 2435646 1956-06-21 2435557 1956-03-24 89 SVO
-78 9.8 2435892 1957-02-22 2435800 1956-11-22 92 SVO
-77 9.5 2436138 1957-10-26 2436042 1957-07-22 96 SVO
-76 9.0 2436383 1958-06-28 2436285 1958-03-22 98 SVO
-75 9.4 2436618 1959-02-18 2436527 1958-11-19 91 SVO
-74 9.1 2436858 1959-10-16 2436769 1959-07-19 89 SVO
-73 9.2 2437095 1960-06-09 2437012 1960-03-18 83 SVO
-72 9.2 2437340 1961-02-09 2437254 1960-11-15 86 SVO
-71 8.9 2437573 1961-09-30 2437497 1961-07-16 76 SVO
-70 9.7 2437814 1962-05-29 2437739 1962-03-15 75 SVO
-69 9.5 2438061 1963-01-31 2437981 1962-11-12 80 SVO
-68 9.3 2438295 1963-09-22 2438224 1963-07-13 71 SVO
-67 9.1 2438531 1964-05-15 2438466 1964-03-11 65 SVO
-66 9.4 2438771 1965-01-10 2438709 1964-11-09 62 SVO
-65 10.0 2439015 1965-09-11 2438951 1965-07-09 64 SVO
-64 9.2 2439247 1966-05-01 2439193 1966-03-08 54 SVO
-63 9.2 2439495 1967-01-04 2439436 1966-11-06 59 SVO
-62 10.0 2439737 1967-09-03 2439678 1967-07-06 59 SVO
-61 9.2 2439970 1968-04-23 2439921 1968-03-05 49 SVO
-60 9.2 2440216 1968-12-25 2440163 1968-11-02 53 SVO
-59 9.2 2440460 1969-08-26 2440405 1969-07-02 55 SVO
-58 8.8 2440691 1970-04-14 2440648 1970-03-02 43 SVO
-57 9.3 2440935 1970-12-14 2440890 1970-10-30 45 SVO
-56 8.9 2441182 1971-08-18 2441133 1971-06-30 49 SVO
-55   2441421 1972-04-13 2441375 1972-02-27 46 AAVSO
-54 8.9 2441665 1972-12-13 2441617 1972-10-26 48 SVO
-53 8.9 2441902 1973-08-07 2441860 1973-06-26 42 SVO
-52 9.5 2442145 1974-04-07 2442102 1974-02-23 43 SVO
-51 9.0 2442384 1974-12-02 2442345 1974-10-24 39 SVO
-50 8.9 2442621 1975-07-27 2442587 1975-06-23 34 SVO
-49 9.5 2442868 1976-03-30 2442829 1976-02-20 39 SVO
-48 8.9 2443104 1976-11-21 2443072 1976-10-20 32 SVO
-47 9.0 2443350 1977-07-25 2443314 1977-06-19 36 AAVSO
-46   2443589 1978-03-21 2443557 1978-02-17 32 AAVSO
-45 9.1 2443816 1978-11-03 2443799 1978-10-17 17 SVO
-44 8.0 2444076 1979-07-21 2444041 1979-06-16 35 AAVSO
-43 10.0 2444312 1980-03-13 2444284 1980-02-14 28 AAVSO
-42 9.2 2444532 1980-10-19 2444526 1980-10-13 6 SVO
-41 9.4 2444787 1981-07-01 2444769 1981-06-13 18 SVO
-40 8.6 2445035 1982-03-06 2445011 1982-02-10 24 AAVSO
-39 9.5 2445264 1982-10-21 2445253 1982-10-10 11 SVO
-38 8.5 2445505 1983-06-19 2445496 1983-06-10 9 AAVSO
-37 9.8 2445751 1984-02-20 2445738 1984-02-07 13 SVO
-36 9.1 2445992 1984-10-18 2445981 1984-10-07 11 SVO
-35 8.2 2446229 1985-06-12 2446223 1985-06-06 6 AAVSO
-34 10.2 2446470 1986-02-08 2446465 1986-02-03 5 AAVSO
-33 9.0 2446715 1986-10-11 2446708 1986-10-04 7 SVO
-32 9.6 2446961 1987-06-14 2446950 1987-06-03 11 AAVSO
-31 9.6 2447203 1988-02-11 2447193 1988-02-01 10 SVO
-30 8.6 2447435 1988-09-30 2447435 1988-09-30 0 SVO
-29   2447684 1989-06-06 2447677 1989-05-30 7 AAVSO
-28   2447931 1990-02-08 2447920 1990-01-28 11 AAVSO
-27 8.7 2448159 1990-09-24 2448162 1990-09-27 -3 SVO
-26   2448403 1991-05-26 2448405 1991-05-28 -2 AAVSO
-25   2448646 1992-01-24 2448647 1992-01-25 -1 AAVSO
-24   2448895 1992-09-29 2448889 1992-09-23 6 AAVSO
-23   2449132 1993-05-24 2449132 1993-05-24 0 AAVSO
-22   2449393 1994-02-09 2449374 1994-01-21 19 AAVSO
-21 8.7 2449621 1994-09-25 2449617 1994-09-21 4 SVO
-20   2449865 1995-05-27 2449859 1995-05-21 6 AAVSO
-19 9.0 2450110 1996-01-27 2450101 1996-01-18 9 SVO
-18 9.3 2450348 1996-09-21 2450344 1996-09-17 4 SVO
-17   2450600 1997-05-31 2450586 1997-05-17 14 AAVSO
-16   2450820 1998-01-06 2450829 1998-01-15 -9 AAVSO
-15 9.5 2451083 1998-09-26 2451071 1998-09-14 12 SVO
-14   2451317 1999-05-18 2451313 1999-05-14 4 AAVSO
-13   2451547 2000-01-03 2451556 2000-01-12 -9 AAVSO
-12   2451790 2000-09-02 2451798 2000-09-10 -8 AAVSO
-11 8.7 2452048 2001-05-18 2452041 2001-05-11 7 SVO
-10 9.1 2452271 2001-12-27 2452283 2002-01-08 -12 SVO
-9 8.5 2452512 2002-08-25 2452525 2002-09-07 -13 SVO
-8   2452752 2003-04-22 2452768 2003-05-08 -16 AAVSO
-7   2453015 2004-01-10 2453010 2004-01-05 5 AAVSO
-6 8.7 2453241 2004-08-23 2453253 2004-09-04 -12 SVO
-5   2453504 2005-05-13 2453495 2005-05-04 9 AAVSO
-4 9.5 2453740 2006-01-04 2453737 2006-01-01 3 SVO
-3 8.7 2453973 2006-08-25 2453980 2006-09-01 -7 SVO
-2   2454216 2007-04-25 2454222 2007-05-01 -6 AAVSO
-1 9.3 2454463 2007-12-28 2454465 2007-12-30 -2 SVO
0 8.8 2454701 2008-08-22 2454707 2008-08-28 -6 SVO
1 8.9 2454949 2009-04-27 2454949 2009-04-27 0 SVO
2 8.4 2455179 2009-12-13 2455192 2009-12-26 -13 SVO
3 9.9 2455421 2010-08-12 2455434 2010-08-25 -13 AAVSO
4 9.9 2455661 2011-04-09 2455677 2011-04-25 -16 AAVSO
5 9.4 2455913 2011-12-17 2455919 2011-12-23 -6 AAVSO
6 9.5 2456161 2012-08-21 2456161 2012-08-21 0 SVO
7 8.9 2456402 2013-04-19 2456404 2013-04-21 -2 AAVSO
8 10.3 2456641 2013-12-14 2456646 2013-12-19 -5 SVO
9 9.4 2456877 2014-08-07 2456889 2014-08-19 -12 SVO
10   2457124 2015-04-11 2457131 2015-04-18 -7 AAVSO
11 9.3 2457366 2015-12-09 2457373 2015-12-16 -7 SVO
12 8.6 2457601 2016-07-31 2457616 2016-08-15 -15 SVO
13 9.7 2457864 2017-04-20 2457858 2017-04-14 6 AAVSO
14 9.4 2458093 2017-12-05 2458101 2017-12-13 -8 AAVSO
15 9.4 2458349 2018-08-18 2458343 2018-08-12 6 SVO
16   2458590 2019-04-16 2458585 2019-04-11 5 SVO
17 9.4 2458828 2019-12-10 2458828 2019-12-10 0 SVO
18 8.8 2459066 2020-08-04 2459070 2020-08-08 -4 SVO
19   2459320 2021-04-15 2459313 2021-04-08 7 SVO
20 8.8 2459554 2021-12-05 2459555 2021-12-06 -1 SVO
21 9.7 2459802 2022-08-10 2459797 2022-08-05 5 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.