Maxima for T Oph
Period: 366.66, Epoch: 2441866.6
AAVSO offset: 1

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-109   2401912 1864-02-10 2401901 1864-01-30 11 AnHar, 1909, vol 55, p 95
-108   2402272 1865-02-04 2402268 1865-01-31 4 AnHar, 1909, vol 55, p 95
-104   2403724 1869-01-26 2403734 1869-02-05 -10 AnHar, 1909, vol 55, p 95
-103   2404094 1870-01-31 2404101 1870-02-07 -7 AnHar, 1909, vol 55, p 95
-99   2405561 1874-02-06 2405568 1874-02-13 -7 AnHar, 1909, vol 55, p 95
-95   2407012 1878-01-27 2407034 1878-02-18 -22 AnHar, 1909, vol 55, p 95
-80   2412548 1893-03-25 2412534 1893-03-11 14 GuL, 1920, 1.2
-76   2414013 1897-03-29 2414001 1897-03-17 12 SVO
-75   2414370 1898-03-21 2414367 1898-03-18 3 SVO
-69   2416580 1904-04-09 2416567 1904-03-27 13 SVO
-68 10.2 2416910 1905-03-05 2416934 1905-03-29 -24 AAVSO
-67 10.4 2417316 1906-04-15 2417301 1906-03-31 15 AAVSO
-66   2417660 1907-03-25 2417667 1907-04-01 -7 SVO
-65 9.0 2418030 1908-03-29 2418034 1908-04-02 -4 AAVSO
-64 10.0 2418390 1909-03-24 2418401 1909-04-04 -11 AAVSO
-63 9.8 2418750 1910-03-19 2418767 1910-04-05 -17 AAVSO
-62   2419140 1911-04-13 2419134 1911-04-07 6 AAVSO
-61   2419504 1912-04-11 2419501 1912-04-08 3 AAVSO
-60   2419870 1913-04-12 2419867 1913-04-09 3 AAVSO
-58   2420577 1915-03-20 2420601 1915-04-13 -24 AAVSO
-57 8.8 2420960 1916-04-06 2420967 1916-04-13 -7 AAVSO
-55   2421685 1918-04-01 2421701 1918-04-17 -16 SVO
-53   2422422 1920-04-07 2422434 1920-04-19 -12 AAVSO
-52 9.7 2422800 1921-04-20 2422801 1921-04-21 -1 AAVSO
-51 9.8 2423153 1922-04-08 2423167 1922-04-22 -14 AAVSO
-50 10.4 2423517 1923-04-07 2423534 1923-04-24 -17 SVO
-49 9.6 2423880 1924-04-04 2423901 1924-04-25 -21 SVO
-48 9.5 2424247 1925-04-06 2424267 1925-04-26 -20 SVO
-47 9.9 2424620 1926-04-14 2424634 1926-04-28 -14 SVO
-46 9.1 2424985 1927-04-14 2425000 1927-04-29 -15 AAVSO
-45 10.5 2425350 1928-04-13 2425367 1928-04-30 -17 SVO
-44 9.8 2425713 1929-04-11 2425734 1929-05-02 -21 SVO
-43 10.0 2426076 1930-04-09 2426100 1930-05-03 -24 SVO
-42 9.1 2426440 1931-04-08 2426467 1931-05-05 -27 SVO
-41 10.1 2426808 1932-04-10 2426834 1932-05-06 -26 SVO
-40 9.2 2427178 1933-04-15 2427200 1933-05-07 -22 SVO
-39 10.4 2427539 1934-04-11 2427567 1934-05-09 -28 AAVSO
-38 9.2 2427910 1935-04-17 2427934 1935-05-11 -24 AAVSO
-37 10.9 2428290 1936-05-01 2428300 1936-05-11 -10 AAVSO
-36 9.7 2428664 1937-05-10 2428667 1937-05-13 -3 SVO
-35 10.2 2429027 1938-05-08 2429034 1938-05-15 -7 AAVSO
-34 9.6 2429411 1939-05-27 2429400 1939-05-16 11 AAVSO
-33 9.1 2429773 1940-05-23 2429767 1940-05-17 6 SVO
-32 10.6 2430128 1941-05-13 2430134 1941-05-19 -6 AAVSO
-31 10.0 2430504 1942-05-24 2430500 1942-05-20 4 AAVSO
-30 10.6 2430868 1943-05-23 2430867 1943-05-22 1 AAVSO
-29 9.7 2431249 1944-06-07 2431234 1944-05-23 15 SVO
-28 9.6 2431610 1945-06-03 2431600 1945-05-24 10 AAVSO
-27 9.7 2431975 1946-06-03 2431967 1946-05-26 8 AAVSO
-26 10.0 2432350 1947-06-13 2432334 1947-05-28 16 AAVSO
-25 9.5 2432722 1948-06-19 2432700 1948-05-28 22 SVO
-24 10.3 2433082 1949-06-14 2433067 1949-05-30 15 SVO
-23 9.9 2433447 1950-06-14 2433434 1950-06-01 13 SVO
-22 10.2 2433813 1951-06-15 2433800 1951-06-02 13 SVO
-21 10.1 2434188 1952-06-24 2434167 1952-06-03 21 SVO
-20 10.1 2434555 1953-06-26 2434534 1953-06-05 21 SVO
-19 9.4 2434919 1954-06-25 2434900 1954-06-06 19 SVO
-18 10.0 2435285 1955-06-26 2435267 1955-06-08 18 SVO
-17 10.3 2435653 1956-06-28 2435633 1956-06-08 20 SVO
-16 9.3 2436021 1957-07-01 2436000 1957-06-10 21 SVO
-15 11.0 2436385 1958-06-30 2436367 1958-06-12 18 SVO
-14 10.0 2436749 1959-06-29 2436733 1959-06-13 16 SVO
-13 10.0 2437116 1960-06-30 2437100 1960-06-14 16 SVO
-12 9.9 2437475 1961-06-24 2437467 1961-06-16 8 SVO
-11 10.1 2437835 1962-06-19 2437833 1962-06-17 2 SVO
-10 9.7 2438201 1963-06-20 2438200 1963-06-19 1 SVO
-9 9.5 2438553 1964-06-06 2438567 1964-06-20 -14 SVO
-8 9.8 2438923 1965-06-11 2438933 1965-06-21 -10 SVO
-7 9.6 2439292 1966-06-15 2439300 1966-06-23 -8 SVO
-6 9.9 2439661 1967-06-19 2439667 1967-06-25 -6 SVO
-5 9.7 2440036 1968-06-28 2440033 1968-06-25 3 SVO
-4 10.4 2440400 1969-06-27 2440400 1969-06-27 0 SVO
-3 9.7 2440769 1970-07-01 2440767 1970-06-29 2 AAVSO
-2 10.0 2441145 1971-07-12 2441133 1971-06-30 12 AAVSO
-1 9.3 2441510 1972-07-11 2441500 1972-07-01 10 SVO
0 10.4 2441880 1973-07-16 2441867 1973-07-03 13 SVO
1 10.1 2442263 1974-08-03 2442233 1974-07-04 30 SVO
2 10.3 2442631 1975-08-06 2442600 1975-07-06 31 SVO
3 9.5 2442995 1976-08-04 2442967 1976-07-07 28 SVO
4 10.3 2443376 1977-08-20 2443333 1977-07-08 43 SVO
5 10.5 2443737 1978-08-16 2443700 1978-07-10 37 AAVSO
6 9.0 2444107 1979-08-21 2444067 1979-07-12 40 SVO
7 11.0 2444480 1980-08-28 2444433 1980-07-12 47 SVO
8 10.4 2444851 1981-09-03 2444800 1981-07-14 51 SVO
9 9.8 2445214 1982-09-01 2445167 1982-07-16 47 SVO
10 9.9 2445585 1983-09-07 2445533 1983-07-17 52 AAVSO
11 9.3 2445949 1984-09-05 2445900 1984-07-18 49 SVO
12 10.0 2446314 1985-09-05 2446267 1985-07-20 47 SVO
13 10.0 2446678 1986-09-04 2446633 1986-07-21 45 SVO
14 9.9 2447039 1987-08-31 2447000 1987-07-23 39 SVO
15 9.5 2447402 1988-08-28 2447366 1988-07-23 36 SVO
16 10.9 2447759 1989-08-20 2447733 1989-07-25 26 SVO
17 10.0 2448119 1990-08-15 2448100 1990-07-27 19 SVO
18 10.4 2448481 1991-08-12 2448466 1991-07-28 15 SVO
19 9.4 2448840 1992-08-05 2448833 1992-07-29 7 SVO
20 10.3 2449200 1993-07-31 2449200 1993-07-31 0 SVO
21 9.3 2449557 1994-07-23 2449566 1994-08-01 -9 SVO
22 10.5 2449913 1995-07-14 2449933 1995-08-03 -20 SVO
23 9.9 2450283 1996-07-18 2450300 1996-08-04 -17 SVO
24 10.0 2450644 1997-07-14 2450666 1997-08-05 -22 SVO
25 9.9 2451004 1998-07-09 2451033 1998-08-07 -29 SVO
26 10.7 2451369 1999-07-09 2451400 1999-08-09 -31 SVO
27 9.9 2451738 2000-07-12 2451766 2000-08-09 -28 SVO
28 10.1 2452109 2001-07-18 2452133 2001-08-11 -24 SVO
29 10.3 2452474 2002-07-18 2452500 2002-08-13 -26 SVO
30 9.3 2452829 2003-07-08 2452866 2003-08-14 -37 SVO
31 10.4 2453200 2004-07-13 2453233 2004-08-15 -33 SVO
32 10.0 2453565 2005-07-13 2453600 2005-08-17 -35 SVO
33 9.9 2453929 2006-07-12 2453966 2006-08-18 -37 SVO
34 10.5 2454302 2007-07-20 2454333 2007-08-20 -31 SVO
35 9.9 2454662 2008-07-14 2454700 2008-08-21 -38 SVO
36 10.4 2455028 2009-07-15 2455066 2009-08-22 -38 SVO
37 9.8 2455397 2010-07-19 2455433 2010-08-24 -36 SVO
38 10.8 2455773 2011-07-30 2455800 2011-08-26 -27 SVO
39 10.0 2456134 2012-07-25 2456166 2012-08-26 -32 SVO
40 10.5 2456502 2013-07-28 2456533 2013-08-28 -31 SVO
41 10.0 2456879 2014-08-09 2456900 2014-08-30 -21 SVO
42 9.5 2457245 2015-08-10 2457266 2015-08-31 -21 SVO
43 10.0 2457626 2016-08-25 2457633 2016-09-01 -7 SVO
44 10.0 2457997 2017-08-31 2457999 2017-09-02 -2 SVO
45 9.7 2458369 2018-09-07 2458366 2018-09-04 3 SVO
46 9.7 2458734 2019-09-07 2458733 2019-09-06 1 SVO
47 10.0 2459115 2020-09-22 2459099 2020-09-06 16 SVO
48 9.8 2459470 2021-09-12 2459466 2021-09-08 4 SVO
49 9.7 2459836 2022-09-13 2459833 2022-09-10 3 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.