Maxima for S Tau
Period: 373.61, Epoch: 2444924.5
AAVSO offset: -5

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-123   2398948 1855-12-30 2398971 1856-01-22 -23 AnHar, 1909, vol 55, p 95
-122   2399330 1857-01-15 2399344 1857-01-29 -14 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-121   2399707 1858-01-27 2399718 1858-02-07 -11 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-120   2400081 1859-02-05 2400092 1859-02-16 -11 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-119   2400473 1860-03-03 2400465 1860-02-24 8 VeBam, 1931, vol 3, p 1
-118   2400838 1861-03-03 2400839 1861-03-04 -1 VeBam, 1931, vol 3, p 1
-117   2401218 1862-03-18 2401212 1862-03-12 6 VeBam, 1931, vol 3, p 1
-116   2401600 1863-04-04 2401586 1863-03-21 14 VeBam, 1931, vol 3, p 1
-109   2404268 1870-07-24 2404201 1870-05-18 67 GuL, 1918, 1.1
-108   2404651 1871-08-11 2404575 1871-05-27 76 GuL, 1918, 1.1
-101   2407254 1878-09-26 2407190 1878-07-24 64 GuL, 1918, 1.1
-99   2407959 1880-08-31 2407937 1880-08-09 22 GuL, 1918, 1.1
-98   2408352 1881-09-28 2408311 1881-08-18 41 GuL, 1918, 1.1
-96   2409104 1883-10-20 2409058 1883-09-04 46 GuL, 1918, 1.1
-95   2409515 1884-12-04 2409432 1884-09-12 83 GuL, 1918, 1.1
-94   2409853 1885-11-07 2409805 1885-09-20 48 GuL, 1918, 1.1
-93   2410202 1886-10-22 2410179 1886-09-29 23 GuL, 1918, 1.1
-89   2411738 1891-01-05 2411673 1890-11-01 65 AN, 1910, vol 186, p 45
-88 8.7 2412089 1891-12-22 2412047 1891-11-10 42 SVO
-87   2412473 1893-01-09 2412421 1892-11-18 52 GuL, 1918, 1.1, AN, 1910, vol 186, p 45
-86   2412845 1894-01-16 2412794 1893-11-26 51 GuL, 1918, 1.1
-85   2413219 1895-01-25 2413168 1894-12-05 51 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-84   2413593 1896-02-03 2413541 1895-12-13 52 AnHar, 1909, vol 55, p 95
-83   2413944 1897-01-19 2413915 1896-12-21 29 AnHar, 1909, vol 55, p 95
-82 10.3 2414313 1898-01-23 2414289 1897-12-30 24 SVO
-81   2414681 1899-01-26 2414662 1899-01-07 19 AnHar, 1909, vol 55, p 95
-80   2415043 1900-01-23 2415036 1900-01-16 7 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-79 9.8 2415424 1901-02-08 2415410 1901-01-25 14 SVO
-78   2415785 1902-02-04 2415783 1902-02-02 2 AnHar, 1909, vol 55, p 95
-77   2416154 1903-02-08 2416157 1903-02-11 -3 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-76   2416531 1904-02-20 2416530 1904-02-19 1 AnHar, 1909, vol 55, p 95
-75   2416905 1905-02-28 2416904 1905-02-27 1 AnHar, 1909, vol 55, p 95
-74 9.5 2417283 1906-03-13 2417278 1906-03-08 5 AAVSO
-73   2417669 1907-04-03 2417651 1907-03-16 18 AAVSO
-72 10.3 2418014 1908-03-13 2418025 1908-03-24 -11 AAVSO
-71 9.8 2418405 1909-04-08 2418398 1909-04-01 7 AAVSO
-70 8.7 2418777 1910-04-15 2418772 1910-04-10 5 AAVSO
-69   2419149 1911-04-22 2419146 1911-04-19 3 AAVSO
-68   2419519 1912-04-26 2419519 1912-04-26 0 AAVSO
-67   2419892 1913-05-04 2419893 1913-05-05 -1 AAVSO
-66   2420254 1914-05-01 2420266 1914-05-13 -12 AAVSO
-65   2420645 1915-05-27 2420640 1915-05-22 5 AAVSO
-64   2421009 1916-05-25 2421014 1916-05-30 -5 AAVSO
-63   2421356 1917-05-07 2421387 1917-06-07 -31 AAVSO
-62   2421752 1918-06-07 2421761 1918-06-16 -9 AAVSO
-61   2422114 1919-06-04 2422134 1919-06-24 -20 AAVSO
-60   2422479 1920-06-03 2422508 1920-07-02 -29 AAVSO
-59   2422855 1921-06-14 2422882 1921-07-11 -27 AAVSO
-58 10.8 2423252 1922-07-16 2423255 1922-07-19 -3 AAVSO
-57   2423595 1923-06-24 2423629 1923-07-28 -34 AAVSO
-56   2423973 1924-07-06 2424002 1924-08-04 -29 AAVSO
-55 9.7 2424355 1925-07-23 2424376 1925-08-13 -21 AAVSO
-54   2424695 1926-06-28 2424750 1926-08-22 -55 AAVSO
-53 10.4 2425083 1927-07-21 2425123 1927-08-30 -40 AAVSO
-52 10.0 2425458 1928-07-30 2425497 1928-09-07 -39 AAVSO
-51   2425808 1929-07-15 2425871 1929-09-16 -63 AAVSO
-50 9.9 2426205 1930-08-16 2426244 1930-09-24 -39 AAVSO
-49   2426583 1931-08-29 2426618 1931-10-03 -35 AAVSO
-48 9.4 2426942 1932-08-22 2426991 1932-10-10 -49 AAVSO
-47 11.2 2427322 1933-09-06 2427365 1933-10-19 -43 SVO
-46 10.6 2427700 1934-09-19 2427739 1934-10-28 -39 SVO
-45 11.3 2428078 1935-10-02 2428112 1935-11-05 -34 SVO
-44 10.3 2428453 1936-10-11 2428486 1936-11-13 -33 SVO
-43 11.4 2428830 1937-10-23 2428859 1937-11-21 -29 SVO
-42 10.3 2429199 1938-10-27 2429233 1938-11-30 -34 SVO
-41 11.9 2429577 1939-11-09 2429607 1939-12-09 -30 SVO
-40 10.7 2429944 1940-11-10 2429980 1940-12-16 -36 SVO
-39 10.6 2430315 1941-11-16 2430354 1941-12-25 -39 SVO
-38 10.5 2430698 1942-12-04 2430727 1943-01-02 -29 SVO
-37 11.1 2431067 1943-12-08 2431101 1944-01-11 -34 SVO
-36 10.0 2431447 1944-12-22 2431475 1945-01-19 -28 SVO
-35 11.0 2431815 1945-12-25 2431848 1946-01-27 -33 SVO
-34 9.9 2432187 1947-01-01 2432222 1947-02-05 -35 SVO
-33 10.2 2432561 1948-01-10 2432595 1948-02-13 -34 SVO
-32 10.9 2432923 1949-01-06 2432969 1949-02-21 -46 SVO
-31 10.3 2433298 1950-01-16 2433343 1950-03-02 -45 SVO
-30 10.1 2433665 1951-01-18 2433716 1951-03-10 -51 SVO
-29 10.7 2434041 1952-01-29 2434090 1952-03-18 -49 SVO
-28 10.8 2434419 1953-02-10 2434463 1953-03-26 -44 SVO
-27 10.1 2434783 1954-02-09 2434837 1954-04-04 -54 SVO
-26 10.6 2435163 1955-02-24 2435211 1955-04-13 -48 SVO
-25 10.8 2435546 1956-03-13 2435584 1956-04-20 -38 SVO
-24 10.4 2435920 1957-03-22 2435958 1957-04-29 -38 AAVSO
-23 10.4 2436311 1958-04-17 2436332 1958-05-08 -21 AAVSO
-22   2436676 1959-04-17 2436705 1959-05-16 -29 AAVSO
-21 12.2 2437064 1960-05-09 2437079 1960-05-24 -15 AAVSO
-20 11.5 2437455 1961-06-04 2437452 1961-06-01 3 AAVSO
-19 11.8 2437831 1962-06-15 2437826 1962-06-10 5 AAVSO
-18 11.8 2438195 1963-06-14 2438200 1963-06-19 -5 AAVSO
-17 11.5 2438567 1964-06-20 2438573 1964-06-26 -6 AAVSO
-16 10.2 2438942 1965-06-30 2438947 1965-07-05 -5 AAVSO
-15 11.6 2439294 1966-06-17 2439320 1966-07-13 -26 AAVSO
-14 10.2 2439671 1967-06-29 2439694 1967-07-22 -23 AAVSO
-13 12.0 2440043 1968-07-05 2440068 1968-07-30 -25 AAVSO
-12 9.8 2440431 1969-07-28 2440441 1969-08-07 -10 AAVSO
-11 10.5 2440799 1970-07-31 2440815 1970-08-16 -16 AAVSO
-10 10.2 2441170 1971-08-06 2441188 1971-08-24 -18 AAVSO
-9 10.3 2441543 1972-08-13 2441562 1972-09-01 -19 AAVSO
-8 11.3 2441920 1973-08-25 2441936 1973-09-10 -16 AAVSO
-7 10.0 2442295 1974-09-04 2442309 1974-09-18 -14 AAVSO
-6 10.4 2442668 1975-09-12 2442683 1975-09-27 -15 SVO
-5 11.2 2443052 1976-09-30 2443056 1976-10-04 -4 SVO
-4 10.0 2443421 1977-10-04 2443430 1977-10-13 -9 SVO
-3 10.7 2443800 1978-10-18 2443804 1978-10-22 -4 SVO
-2 10.3 2444177 1979-10-30 2444177 1979-10-30 0 SVO
-1 9.6 2444546 1980-11-02 2444551 1980-11-07 -5 SVO
0 10.4 2444928 1981-11-19 2444924 1981-11-15 4 SVO
1 10.8 2445318 1982-12-14 2445298 1982-11-24 20 SVO
2 10.2 2445692 1983-12-23 2445672 1983-12-03 20 SVO
3 10.5 2446079 1985-01-13 2446045 1984-12-10 34 SVO
4 10.2 2446448 1986-01-17 2446419 1985-12-19 29 SVO
5 10.6 2446828 1987-02-01 2446792 1986-12-27 36 SVO
6 10.5 2447196 1988-02-04 2447166 1988-01-05 30 SVO
7 10.5 2447574 1989-02-16 2447540 1989-01-13 34 SVO
8   2447959 1990-03-08 2447913 1990-01-21 46 AAVSO
9 10.1 2448318 1991-03-02 2448287 1991-01-30 31 SVO
10 10.7 2448687 1992-03-05 2448661 1992-02-08 26 SVO
11 10.0 2449057 1993-03-10 2449034 1993-02-15 23 SVO
12   2449428 1994-03-16 2449408 1994-02-24 20 AAVSO
13 9.9 2449794 1995-03-17 2449781 1995-03-04 13 SVO
14 11.3 2450147 1996-03-04 2450155 1996-03-12 -8 SVO
15   2450538 1997-03-30 2450529 1997-03-21 9 AAVSO
16   2450916 1998-04-12 2450902 1998-03-29 14 AAVSO
17 10.3 2451283 1999-04-14 2451276 1999-04-07 7 SVO
18 10.6 2451652 2000-04-17 2451649 2000-04-14 3 SVO
19   2452033 2001-05-03 2452023 2001-04-23 10 AAVSO
20   2452419 2002-05-24 2452397 2002-05-02 22 AAVSO
21   2452793 2003-06-02 2452770 2003-05-10 23 AAVSO
22   2453184 2004-06-27 2453144 2004-05-18 40 AAVSO
23   2453560 2005-07-08 2453517 2005-05-26 43 AAVSO
24   2453941 2006-07-24 2453891 2006-06-04 50 AAVSO
25   2454322 2007-08-09 2454265 2007-06-13 57 AAVSO
26 11.5 2454685 2008-08-06 2454638 2008-06-20 47 AAVSO
27 10.7 2455055 2009-08-11 2455012 2009-06-29 43 AAVSO
28 11.2 2455427 2010-08-18 2455385 2010-07-07 42 AAVSO
29 10.8 2455804 2011-08-30 2455759 2011-07-16 45 AAVSO
30 11.1 2456171 2012-08-31 2456133 2012-07-24 38 AAVSO
31 10.9 2456541 2013-09-05 2456506 2013-08-01 35 AAVSO
32 10.9 2456894 2014-08-24 2456880 2014-08-10 14 AAVSO
33 10.0 2457259 2015-08-24 2457253 2015-08-18 6 SVO
34 11.1 2457625 2016-08-24 2457627 2016-08-26 -2 AAVSO
35 10.9 2458000 2017-09-03 2458001 2017-09-04 -1 AAVSO
36 10.1 2458362 2018-08-31 2458374 2018-09-12 -12 SVO
37 9.9 2458744 2019-09-17 2458748 2019-09-21 -4 SVO
38 10.7 2459114 2020-09-21 2459122 2020-09-29 -8 SVO
39 10.8 2459493 2021-10-05 2459495 2021-10-07 -2 SVO
40 10.1 2459858 2022-10-05 2459869 2022-10-16 -11 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.