Maxima for T Lib
Period: 237.85, Epoch: 2438490.8
AAVSO offset: 5

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-126   2408541 1882-04-05 2408522 1882-03-17 19 AnHar, 1909, vol 55, p 95
-115   2411145 1889-05-22 2411138 1889-05-15 7 SVO
-113   2411634 1890-09-23 2411614 1890-09-03 20 AnHar, 1909, vol 55, p 95
-104   2413767 1896-07-26 2413755 1896-07-14 12 AnHar, 1909, vol 55, p 95
-103   2414006 1897-03-22 2413993 1897-03-09 13 SVO
-101   2414481 1898-07-10 2414468 1898-06-27 13 AnHar, 1909, vol 55, p 95
-98   2415196 1900-06-25 2415182 1900-06-11 14 AnHar, 1909, vol 55, p 95
-95   2415907 1902-06-06 2415895 1902-05-25 12 SVO
-94   2416152 1903-02-06 2416133 1903-01-18 19 GuL, 1920, 1.2
-92   2416629 1904-05-28 2416609 1904-05-08 20 AAVSO
-91   2416867 1905-01-21 2416847 1905-01-01 20 AAVSO
-89   2417336 1906-05-05 2417322 1906-04-21 14 AAVSO
-87 10.2 2417796 1907-08-08 2417798 1907-08-10 -2 AAVSO
-86 9.2 2418030 1908-03-29 2418036 1908-04-04 -6 AAVSO
-84   2418500 1909-07-12 2418512 1909-07-24 -12 SVO
-83   2418774 1910-04-12 2418749 1910-03-18 25 AAVSO
-81   2419222 1911-07-04 2419225 1911-07-07 -3 AAVSO
-80   2419460 1912-02-27 2419463 1912-03-01 -3 SVO
-78   2419930 1913-06-11 2419939 1913-06-20 -9 SVO
-77   2420158 1914-01-25 2420177 1914-02-13 -19 AAVSO
-76   2420408 1914-10-02 2420414 1914-10-08 -6 AAVSO
-75 10.2 2420643 1915-05-25 2420652 1915-06-03 -9 AAVSO
-74   2420880 1916-01-17 2420890 1916-01-27 -10 AAVSO
-73   2421096 1916-08-20 2421128 1916-09-21 -32 AAVSO
-72   2421370 1917-05-21 2421366 1917-05-17 4 AAVSO
-70   2421852 1918-09-15 2421841 1918-09-04 11 AAVSO
-69   2422070 1919-04-21 2422079 1919-04-30 -9 SVO
-68   2422320 1919-12-27 2422317 1919-12-24 3 AAVSO
-67   2422566 1920-08-29 2422555 1920-08-18 11 AAVSO
-66 11.2 2422806 1921-04-26 2422793 1921-04-13 13 AAVSO
-65   2423046 1921-12-22 2423031 1921-12-07 15 AAVSO
-64 11.2 2423284 1922-08-17 2423269 1922-08-02 15 AAVSO
-63 11.2 2423508 1923-03-29 2423506 1923-03-27 2 AAVSO
-61 11.2 2423978 1924-07-11 2423982 1924-07-15 -4 AAVSO
-60 11.1 2424225 1925-03-15 2424220 1925-03-10 5 AAVSO
-58 11.3 2424693 1926-06-26 2424696 1926-06-29 -3 AAVSO
-57   2424928 1927-02-16 2424933 1927-02-21 -5 AAVSO
-55 10.2 2425408 1928-06-10 2425409 1928-06-11 -1 AAVSO
-54   2425635 1929-01-23 2425647 1929-02-04 -12 AAVSO
-53   2425874 1929-09-19 2425885 1929-09-30 -11 AAVSO
-52 11.0 2426117 1930-05-20 2426123 1930-05-26 -6 SVO
-51 10.8 2426359 1931-01-17 2426361 1931-01-19 -2 AAVSO
-50   2426593 1931-09-08 2426598 1931-09-13 -5 AAVSO
-49 11.7 2426824 1932-04-26 2426836 1932-05-08 -12 AAVSO
-48 10.5 2427076 1933-01-03 2427074 1933-01-01 2 AAVSO
-47   2427314 1933-08-29 2427312 1933-08-27 2 AAVSO
-46 11.1 2427543 1934-04-15 2427550 1934-04-22 -7 AAVSO
-44 11.5 2428014 1935-07-30 2428025 1935-08-10 -11 AAVSO
-43   2428252 1936-03-24 2428263 1936-04-04 -11 AAVSO
-41 11.0 2428722 1937-07-07 2428739 1937-07-24 -17 SVO
-40 11.2 2428972 1938-03-14 2428977 1938-03-19 -5 AAVSO
-38 10.6 2429444 1939-06-29 2429453 1939-07-08 -9 AAVSO
-35 10.9 2430160 1941-06-14 2430166 1941-06-20 -6 SVO
-34   2430385 1942-01-25 2430404 1942-02-13 -19 SVO
-33   2430628 1942-09-25 2430642 1942-10-09 -14 AAVSO
-32   2430874 1943-05-29 2430880 1943-06-04 -6 AAVSO
-29   2431586 1945-05-10 2431593 1945-05-17 -7 SVO
-24 10.9 2432784 1948-08-20 2432782 1948-08-18 2 AAVSO
-23 11.4 2433021 1949-04-14 2433020 1949-04-13 1 SVO
-22   2433258 1949-12-07 2433258 1949-12-07 0 AAVSO
-21 11.0 2433489 1950-07-26 2433496 1950-08-02 -7 AAVSO
-20 12.9 2433724 1951-03-18 2433734 1951-03-28 -10 AAVSO
-19   2433959 1951-11-08 2433972 1951-11-21 -13 AAVSO
-18 11.3 2434193 1952-06-29 2434210 1952-07-16 -17 SVO
-17 10.8 2434431 1953-02-22 2434447 1953-03-10 -16 SVO
-16 10.5 2434669 1953-10-18 2434685 1953-11-03 -16 AAVSO
-15 11.2 2434906 1954-06-12 2434923 1954-06-29 -17 SVO
-14 11.4 2435147 1955-02-08 2435161 1955-02-22 -14 AAVSO
-13 10.6 2435377 1955-09-26 2435399 1955-10-18 -22 AAVSO
-12 11.4 2435614 1956-05-20 2435637 1956-06-12 -23 AAVSO
-11 10.7 2435860 1957-01-21 2435874 1957-02-04 -14 AAVSO
-10 11.1 2436098 1957-09-16 2436112 1957-09-30 -14 AAVSO
-9 11.3 2436324 1958-04-30 2436350 1958-05-26 -26 AAVSO
-8 11.0 2436564 1958-12-26 2436588 1959-01-19 -24 AAVSO
-7 11.2 2436802 1959-08-21 2436826 1959-09-14 -24 AAVSO
-6 10.9 2437038 1960-04-13 2437064 1960-05-09 -26 SVO
-5   2437276 1960-12-07 2437302 1961-01-02 -26 AAVSO
-4 11.2 2437526 1961-08-14 2437539 1961-08-27 -13 SVO
-3 11.1 2437766 1962-04-11 2437777 1962-04-22 -11 SVO
-2   2438004 1962-12-05 2438015 1962-12-16 -11 AAVSO
-1 11.8 2438234 1963-07-23 2438253 1963-08-11 -19 AAVSO
0 10.6 2438479 1964-03-24 2438491 1964-04-05 -12 AAVSO
1   2438717 1964-11-17 2438729 1964-11-29 -12 AAVSO
2 11.5 2438962 1965-07-20 2438966 1965-07-24 -4 AAVSO
3 10.9 2439205 1966-03-20 2439204 1966-03-19 1 AAVSO
4   2439440 1966-11-10 2439442 1966-11-12 -2 AAVSO
5 11.2 2439685 1967-07-13 2439680 1967-07-08 5 SVO
6 11.3 2439919 1968-03-03 2439918 1968-03-02 1 AAVSO
7   2440164 1968-11-03 2440156 1968-10-26 8 AAVSO
8 11.3 2440392 1969-06-19 2440394 1969-06-21 -2 SVO
9 10.7 2440639 1970-02-21 2440631 1970-02-13 8 AAVSO
10   2440872 1970-10-12 2440869 1970-10-09 3 AAVSO
11 10.6 2441114 1971-06-11 2441107 1971-06-04 7 SVO
12   2441345 1972-01-28 2441345 1972-01-28 0 AAVSO
13   2441580 1972-09-19 2441583 1972-09-22 -3 AAVSO
14 11.2 2441824 1973-05-21 2441821 1973-05-18 3 SVO
15   2442055 1974-01-07 2442058 1974-01-10 -3 AAVSO
16 10.3 2442310 1974-09-19 2442296 1974-09-05 14 AAVSO
17 11.0 2442556 1975-05-23 2442534 1975-05-01 22 SVO
18 10.8 2442792 1976-01-14 2442772 1975-12-25 20 AAVSO
19 11.8 2443032 1976-09-10 2443010 1976-08-19 22 AAVSO
20 11.3 2443278 1977-05-14 2443248 1977-04-14 30 SVO
21 11.8 2443510 1978-01-01 2443486 1977-12-08 24 AAVSO
22 10.8 2443746 1978-08-25 2443723 1978-08-02 23 AAVSO
23 12.1 2443990 1979-04-26 2443961 1979-03-28 29 SVO
24   2444224 1979-12-16 2444199 1979-11-21 25 AAVSO
25 11.8 2444459 1980-08-07 2444437 1980-07-16 22 AAVSO
26 11.1 2444701 1981-04-06 2444675 1981-03-11 26 SVO
27   2444936 1981-11-27 2444913 1981-11-04 23 AAVSO
28 10.7 2445169 1982-07-18 2445150 1982-06-29 19 SVO
29 11.3 2445410 1983-03-16 2445388 1983-02-22 22 SVO
30   2445643 1983-11-04 2445626 1983-10-18 17 AAVSO
31 11.0 2445887 1984-07-05 2445864 1984-06-12 23 SVO
32 11.0 2446115 1985-02-18 2446102 1985-02-05 13 AAVSO
33   2446354 1985-10-15 2446340 1985-10-01 14 AAVSO
34 11.4 2446586 1986-06-04 2446578 1986-05-27 8 SVO
35 11.3 2446828 1987-02-01 2446815 1987-01-19 13 SVO
36   2447058 1987-09-19 2447053 1987-09-14 5 AAVSO
37 11.6 2447306 1988-05-24 2447291 1988-05-09 15 SVO
38   2447543 1989-01-16 2447529 1989-01-02 14 AAVSO
39   2447769 1989-08-30 2447767 1989-08-28 2 AAVSO
40 11.0 2447998 1990-04-16 2448005 1990-04-23 -7 SVO
41   2448235 1990-12-09 2448242 1990-12-16 -7 AAVSO
42   2448476 1991-08-07 2448480 1991-08-11 -4 AAVSO
43 11.5 2448722 1992-04-09 2448718 1992-04-05 4 SVO
44   2448962 1992-12-05 2448956 1992-11-29 6 AAVSO
45 11.3 2449190 1993-07-21 2449194 1993-07-25 -4 SVO
46 10.9 2449427 1994-03-15 2449432 1994-03-20 -5 SVO
47   2449664 1994-11-07 2449670 1994-11-13 -6 AAVSO
48 11.2 2449908 1995-07-09 2449907 1995-07-08 1 SVO
49 11.3 2450148 1996-03-05 2450145 1996-03-02 3 SVO
50   2450367 1996-10-10 2450383 1996-10-26 -16 AAVSO
51 11.6 2450616 1997-06-16 2450621 1997-06-21 -5 SVO
52   2450854 1998-02-09 2450859 1998-02-14 -5 AAVSO
53   2451096 1998-10-09 2451097 1998-10-10 -1 AAVSO
54 10.9 2451334 1999-06-04 2451334 1999-06-04 0 SVO
55   2451574 2000-01-30 2451572 2000-01-28 2 AAVSO
56   2451824 2000-10-06 2451810 2000-09-22 14 AAVSO
57 10.8 2452053 2001-05-23 2452048 2001-05-18 5 SVO
58   2452299 2002-01-24 2452286 2002-01-11 13 AAVSO
59   2452535 2002-09-17 2452524 2002-09-06 11 AAVSO
60 11.3 2452770 2003-05-10 2452762 2003-05-02 8 SVO
61   2453001 2003-12-27 2452999 2003-12-25 2 AAVSO
62   2453239 2004-08-21 2453237 2004-08-19 2 AAVSO
63 11.0 2453479 2005-04-18 2453475 2005-04-14 4 SVO
64   2453696 2005-11-21 2453713 2005-12-08 -17 AAVSO
65   2453942 2006-07-25 2453951 2006-08-03 -9 AAVSO
66 11.7 2454185 2007-03-25 2454189 2007-03-29 -4 SVO
67   2454422 2007-11-17 2454427 2007-11-22 -5 AAVSO
68 11.8 2454668 2008-07-20 2454664 2008-07-16 4 SVO
69 11.0 2454906 2009-03-15 2454902 2009-03-11 4 SVO
70   2455141 2009-11-05 2455140 2009-11-04 1 AAVSO
71 10.8 2455377 2010-06-29 2455378 2010-06-30 -1 SVO
72 12.0 2455621 2011-02-28 2455616 2011-02-23 5 AAVSO
73   2455847 2011-10-12 2455854 2011-10-19 -7 AAVSO
74 10.6 2456088 2012-06-09 2456091 2012-06-12 -3 SVO
75 11.2 2456330 2013-02-06 2456329 2013-02-05 1 SVO
76 11.1 2456566 2013-09-30 2456567 2013-10-01 -1 AAVSO
77 11.0 2456802 2014-05-24 2456805 2014-05-27 -3 SVO
78 11.0 2457040 2015-01-17 2457043 2015-01-20 -3 AAVSO
79   2457273 2015-09-07 2457281 2015-09-15 -8 AAVSO
80 11.5 2457518 2016-05-09 2457519 2016-05-10 -1 SVO
81 11.5 2457757 2017-01-03 2457756 2017-01-02 1 AAVSO
82 11.7 2457981 2017-08-15 2457994 2017-08-28 -13 AAVSO
83 11.1 2458224 2018-04-15 2458232 2018-04-23 -8 SVO
85 11.1 2458705 2019-08-09 2458708 2019-08-12 -3 SVO
86 11.3 2458941 2020-04-01 2458946 2020-04-06 -5 SVO
88 11.5 2459416 2021-07-20 2459421 2021-07-25 -5 SVO
89 11.2 2459656 2022-03-17 2459659 2022-03-20 -3 SVO
90   2459885 2022-11-01 2459897 2022-11-13 -12 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.