Maxima for T Vir
Period: 339.47, Epoch: 2440277
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-116   2400904 1861-05-08 2400898 1861-05-02 6 AnHar, 1909, vol 55, p 95
-115   2401242 1862-04-11 2401238 1862-04-07 4 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-114   2401571 1863-03-06 2401577 1863-03-12 -6 VeBam, 1931, vol 3, p 1
-113   2401910 1864-02-08 2401917 1864-02-15 -7 VeBam, 1931, vol 3, p 1
-105   2404600 1871-06-21 2404633 1871-07-24 -33 VeBam, 1931, vol 3, p 1, GuL, 1918, 1.1
-104   2404955 1872-06-10 2404972 1872-06-27 -17 SVO
-102 10.6 2405628 1874-04-14 2405651 1874-05-07 -23 SVO
-101 10.0 2405973 1875-03-25 2405991 1875-04-12 -18 SVO
-76   2414462 1898-06-21 2414477 1898-07-06 -15 AnHar, 1909, vol 55, p 95
-75   2414808 1899-06-02 2414817 1899-06-11 -9 AnHar, 1909, vol 55, p 95
-74   2415160 1900-05-20 2415156 1900-05-16 4 AnHar, 1909, vol 55, p 95
-73   2415514 1901-05-09 2415496 1901-04-21 18 AnHar, 1909, vol 55, p 95
-72   2415848 1902-04-08 2415835 1902-03-26 13 AnHar, 1909, vol 55, p 95
-71   2416184 1903-03-10 2416175 1903-03-01 9 AnHar, 1909, vol 55, p 95
-70   2416528 1904-02-17 2416514 1904-02-03 14 AnHar, 1909, vol 55, p 95
-68   2417210 1905-12-30 2417193 1905-12-13 17 AAVSO
-67   2417552 1906-12-07 2417533 1906-11-18 19 AAVSO
-66   2417886 1907-11-06 2417872 1907-10-23 14 AAVSO
-65   2418226 1908-10-11 2418211 1908-09-26 15 AAVSO
-64   2418560 1909-09-10 2418551 1909-09-01 9 AAVSO
-63   2418902 1910-08-18 2418890 1910-08-06 12 AAVSO
-62 9.0 2419224 1911-07-06 2419230 1911-07-12 -6 AAVSO
-61   2419584 1912-06-30 2419569 1912-06-15 15 AAVSO
-60   2419924 1913-06-05 2419909 1913-05-21 15 AAVSO
-59 9.7 2420243 1914-04-20 2420248 1914-04-25 -5 SVO
-58 9.6 2420586 1915-03-29 2420588 1915-03-31 -2 AAVSO
-57 9.7 2420928 1916-03-05 2420927 1916-03-04 1 AAVSO
-56   2421266 1917-02-06 2421267 1917-02-07 -1 AAVSO
-55 9.0 2421602 1918-01-08 2421606 1918-01-12 -4 AAVSO
-54   2421952 1918-12-24 2421946 1918-12-18 6 AAVSO
-53   2422259 1919-10-27 2422285 1919-11-22 -26 AAVSO
-52   2422596 1920-09-28 2422625 1920-10-27 -29 AAVSO
-51   2422953 1921-09-20 2422964 1921-10-01 -11 AAVSO
-50   2423281 1922-08-14 2423304 1922-09-06 -23 AAVSO
-49   2423623 1923-07-22 2423643 1923-08-11 -20 AAVSO
-48 9.2 2423953 1924-06-16 2423982 1924-07-15 -29 AAVSO
-47 9.8 2424289 1925-05-18 2424322 1925-06-20 -33 AAVSO
-46 9.2 2424622 1926-04-16 2424661 1926-05-25 -39 AAVSO
-45 9.8 2424972 1927-04-01 2425001 1927-04-30 -29 SVO
-44 10.3 2425315 1928-03-09 2425340 1928-04-03 -25 SVO
-43 9.1 2425663 1929-02-20 2425680 1929-03-09 -17 AAVSO
-42 10.0 2426000 1930-01-23 2426019 1930-02-11 -19 AAVSO
-41 9.9 2426345 1931-01-03 2426359 1931-01-17 -14 AAVSO
-40 9.8 2426684 1931-12-08 2426698 1931-12-22 -14 AAVSO
-39 9.4 2427038 1932-11-26 2427038 1932-11-26 0 AAVSO
-38   2427378 1933-11-01 2427377 1933-10-31 1 AAVSO
-37   2427711 1934-09-30 2427717 1934-10-06 -6 AAVSO
-36   2428068 1935-09-22 2428056 1935-09-10 12 AAVSO
-35   2428403 1936-08-22 2428396 1936-08-15 7 AAVSO
-34   2428742 1937-07-27 2428735 1937-07-20 7 AAVSO
-33 9.4 2429071 1938-06-21 2429074 1938-06-24 -3 AAVSO
-32 9.6 2429426 1939-06-11 2429414 1939-05-30 12 SVO
-31 9.3 2429762 1940-05-12 2429753 1940-05-03 9 SVO
-30 9.9 2430101 1941-04-16 2430093 1941-04-08 8 SVO
-29 9.9 2430443 1942-03-24 2430432 1942-03-13 11 SVO
-28 9.0 2430788 1943-03-04 2430772 1943-02-16 16 AAVSO
-27 9.8 2431114 1944-01-24 2431111 1944-01-21 3 AAVSO
-26 9.8 2431455 1944-12-30 2431451 1944-12-26 4 AAVSO
-25 9.7 2431802 1945-12-12 2431790 1945-11-30 12 AAVSO
-24 10.0 2432109 1946-10-15 2432130 1946-11-05 -21 AAVSO
-23   2432452 1947-09-23 2432469 1947-10-10 -17 AAVSO
-22   2432780 1948-08-16 2432809 1948-09-14 -29 AAVSO
-21 9.8 2433127 1949-07-29 2433148 1949-08-19 -21 SVO
-20 9.6 2433464 1950-07-01 2433488 1950-07-25 -24 SVO
-19 9.7 2433806 1951-06-08 2433827 1951-06-29 -21 SVO
-18 10.2 2434144 1952-05-11 2434167 1952-06-03 -23 SVO
-17 9.0 2434486 1953-04-18 2434506 1953-05-08 -20 SVO
-16 10.3 2434830 1954-03-28 2434845 1954-04-12 -15 SVO
-15 10.1 2435162 1955-02-23 2435185 1955-03-18 -23 SVO
-14 10.0 2435503 1956-01-30 2435524 1956-02-20 -21 AAVSO
-13 9.4 2435851 1957-01-12 2435864 1957-01-25 -13 SVO
-12 9.8 2436197 1957-12-24 2436203 1957-12-30 -6 AAVSO
-11 9.1 2436533 1958-11-25 2436543 1958-12-05 -10 AAVSO
-10 10.2 2436873 1959-10-31 2436882 1959-11-09 -9 AAVSO
-9 10.1 2437217 1960-10-09 2437222 1960-10-14 -5 AAVSO
-8 10.8 2437562 1961-09-19 2437561 1961-09-18 1 AAVSO
-7 10.1 2437900 1962-08-23 2437901 1962-08-24 -1 AAVSO
-6 9.6 2438245 1963-08-03 2438240 1963-07-29 5 SVO
-5 9.9 2438587 1964-07-10 2438580 1964-07-03 7 AAVSO
-4 9.3 2438924 1965-06-12 2438919 1965-06-07 5 AAVSO
-3 9.4 2439259 1966-05-13 2439259 1966-05-13 0 SVO
-2 10.0 2439599 1967-04-18 2439598 1967-04-17 1 SVO
-1 9.4 2439939 1968-03-23 2439938 1968-03-22 1 SVO
0 9.5 2440272 1969-02-19 2440277 1969-02-24 -5 SVO
1 9.5 2440603 1970-01-16 2440616 1970-01-29 -13 AAVSO
2 9.8 2440949 1970-12-28 2440956 1971-01-04 -7 AAVSO
3 11.0 2441287 1971-12-01 2441295 1971-12-09 -8 AAVSO
4 11.0 2441622 1972-10-31 2441635 1972-11-13 -13 AAVSO
5   2441963 1973-10-07 2441974 1973-10-18 -11 AAVSO
6 10.2 2442302 1974-09-11 2442314 1974-09-23 -12 AAVSO
7 10.7 2442642 1975-08-17 2442653 1975-08-28 -11 AAVSO
8 9.7 2442980 1976-07-20 2442993 1976-08-02 -13 SVO
9 9.6 2443323 1977-06-28 2443332 1977-07-07 -9 SVO
10 10.0 2443665 1978-06-05 2443672 1978-06-12 -7 SVO
11 9.9 2444000 1979-05-06 2444011 1979-05-17 -11 SVO
12 9.4 2444338 1980-04-08 2444351 1980-04-21 -13 SVO
13 9.9 2444677 1981-03-13 2444690 1981-03-26 -13 SVO
14 10.1 2445019 1982-02-18 2445030 1982-03-01 -11 SVO
15 9.9 2445352 1983-01-17 2445369 1983-02-03 -17 AAVSO
16 9.4 2445695 1983-12-26 2445709 1984-01-09 -14 AAVSO
17 10.0 2446032 1984-11-27 2446048 1984-12-13 -16 AAVSO
18 9.7 2446372 1985-11-02 2446387 1985-11-17 -15 AAVSO
19 10.0 2446712 1986-10-08 2446727 1986-10-23 -15 AAVSO
20   2447043 1987-09-04 2447066 1987-09-27 -23 AAVSO
21 9.4 2447388 1988-08-14 2447406 1988-09-01 -18 SVO
22 10.0 2447729 1989-07-21 2447745 1989-08-06 -16 SVO
23 9.7 2448073 1990-06-30 2448085 1990-07-12 -12 SVO
24   2448410 1991-06-02 2448424 1991-06-16 -14 AAVSO
25   2448770 1992-05-27 2448764 1992-05-21 6 AAVSO
26 9.8 2449120 1993-05-12 2449103 1993-04-25 17 SVO
27 9.6 2449454 1994-04-11 2449443 1994-03-31 11 SVO
28 9.4 2449789 1995-03-12 2449782 1995-03-05 7 SVO
29 9.7 2450129 1996-02-15 2450122 1996-02-08 7 SVO
30 9.5 2450461 1997-01-12 2450461 1997-01-12 0 SVO
31   2450801 1997-12-18 2450801 1997-12-18 0 AAVSO
32   2451123 1998-11-05 2451140 1998-11-22 -17 AAVSO
33   2451464 1999-10-12 2451480 1999-10-28 -16 AAVSO
34   2451803 2000-09-15 2451819 2000-10-01 -16 AAVSO
35   2452151 2001-08-29 2452158 2001-09-05 -7 AAVSO
36 9.7 2452491 2002-08-04 2452498 2002-08-11 -7 SVO
37 9.6 2452829 2003-07-08 2452837 2003-07-16 -8 SVO
38   2453167 2004-06-10 2453177 2004-06-20 -10 AAVSO
39 9.8 2453496 2005-05-05 2453516 2005-05-25 -20 SVO
40 9.5 2453829 2006-04-03 2453856 2006-04-30 -27 SVO
41 9.8 2454161 2007-03-01 2454195 2007-04-04 -34 SVO
42 9.3 2454491 2008-01-25 2454535 2008-03-09 -44 SVO
43 9.9 2454820 2008-12-19 2454874 2009-02-11 -54 AAVSO
44 9.6 2455165 2009-11-29 2455214 2010-01-17 -49 AAVSO
45 9.8 2455503 2010-11-02 2455553 2010-12-22 -50 AAVSO
46   2455839 2011-10-04 2455893 2011-11-27 -54 AAVSO
47   2456179 2012-09-08 2456232 2012-10-31 -53 AAVSO
48 9.8 2456514 2013-08-09 2456572 2013-10-06 -58 SVO
49 9.8 2456868 2014-07-29 2456911 2014-09-10 -43 AAVSO
50 10.3 2457208 2015-07-04 2457251 2015-08-16 -43 AAVSO
51 9.8 2457567 2016-06-27 2457590 2016-07-20 -23 SVO
52 10.4 2457886 2017-05-12 2457929 2017-06-24 -43 SVO
53 9.6 2458234 2018-04-25 2458269 2018-05-30 -35 SVO
54 10.3 2458584 2019-04-10 2458608 2019-05-04 -24 SVO
55 10.2 2458913 2020-03-04 2458948 2020-04-08 -35 SVO
56 9.5 2459252 2021-02-06 2459287 2021-03-13 -35 SVO
57 9.7 2459589 2022-01-09 2459627 2022-02-16 -38 SVO
58 9.7 2459937 2022-12-23 2459966 2023-01-21 -29 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.