Maxima for T Dra
Period: 422.2, Epoch: 2455405
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-100   2413141 1894-11-08 2413185 1894-12-22 -44 AnHar, 1909, vol 55, p 95
-99   2413598 1896-02-08 2413607 1896-02-17 -9 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-98   2414014 1897-03-30 2414029 1897-04-14 -15 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-97   2414460 1898-06-19 2414452 1898-06-11 8 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-96   2414891 1899-08-24 2414874 1899-08-07 17 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-95   2415337 1900-11-13 2415296 1900-10-03 41 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-94   2415749 1901-12-30 2415718 1901-11-29 31 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-93   2416164 1903-02-18 2416140 1903-01-25 24 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-92   2416594 1904-04-23 2416563 1904-03-23 31 AAVSO
-91   2417009 1905-06-12 2416985 1905-05-19 24 AAVSO
-90 10.3 2417396 1906-07-04 2417407 1906-07-15 -11 AAVSO
-89 10.1 2417812 1907-08-24 2417829 1907-09-10 -17 AAVSO
-88 10.0 2418236 1908-10-21 2418251 1908-11-05 -15 AAVSO
-87 9.0 2418661 1909-12-20 2418674 1910-01-02 -13 AAVSO
-85 10.0 2419531 1912-05-08 2419518 1912-04-25 13 AAVSO
-84   2419945 1913-06-26 2419940 1913-06-21 5 AAVSO
-83 9.4 2420342 1914-07-28 2420362 1914-08-17 -20 SVO
-82 9.5 2420767 1915-09-26 2420785 1915-10-14 -18 AAVSO
-81 9.5 2421170 1916-11-02 2421207 1916-12-09 -37 SVO
-80 8.9 2421572 1917-12-09 2421629 1918-02-04 -57 SVO
-79 9.6 2421990 1919-01-31 2422051 1919-04-02 -61 SVO
-78 9.6 2422453 1920-05-08 2422473 1920-05-28 -20 SVO
-77 9.9 2422847 1921-06-06 2422896 1921-07-25 -49 SVO
-76 9.8 2423261 1922-07-25 2423318 1922-09-20 -57 SVO
-75 10.2 2423722 1923-10-29 2423740 1923-11-16 -18 SVO
-74 10.4 2424112 1924-11-22 2424162 1925-01-11 -50 SVO
-73 10.8 2424548 1926-02-01 2424584 1926-03-09 -36 SVO
-72 10.4 2424964 1927-03-24 2425007 1927-05-06 -43 SVO
-71 11.0 2425396 1928-05-29 2425429 1928-07-01 -33 SVO
-70 11.0 2425819 1929-07-26 2425851 1929-08-27 -32 SVO
-69 10.7 2426251 1930-10-01 2426273 1930-10-23 -22 SVO
-68 10.3 2426687 1931-12-11 2426695 1931-12-19 -8 SVO
-67 9.7 2427096 1933-01-23 2427118 1933-02-14 -22 SVO
-66 9.5 2427527 1934-03-30 2427540 1934-04-12 -13 SVO
-65 9.1 2427961 1935-06-07 2427962 1935-06-08 -1 SVO
-64 9.1 2428372 1936-07-22 2428384 1936-08-03 -12 SVO
-63 8.6 2428794 1937-09-17 2428806 1937-09-29 -12 SVO
-62 9.1 2429224 1938-11-21 2429229 1938-11-26 -5 SVO
-61 9.0 2429647 1940-01-18 2429651 1940-01-22 -4 SVO
-60 9.3 2430076 1941-03-22 2430073 1941-03-19 3 SVO
-59 9.2 2430481 1942-05-01 2430495 1942-05-15 -14 SVO
-58 9.4 2430911 1943-07-05 2430917 1943-07-11 -6 SVO
-57 9.6 2431323 1944-08-20 2431340 1944-09-06 -17 SVO
-56 9.4 2431743 1945-10-14 2431762 1945-11-02 -19 SVO
-55 9.3 2432192 1947-01-06 2432184 1946-12-29 8 SVO
-54   2432579 1948-01-28 2432606 1948-02-24 -27 AAVSO
-53 9.9 2433012 1949-04-05 2433028 1949-04-21 -16 SVO
-52 10.0 2433422 1950-05-20 2433451 1950-06-18 -29 SVO
-51 10.4 2433850 1951-07-22 2433873 1951-08-14 -23 AAVSO
-50 11.0 2434248 1952-08-23 2434295 1952-10-09 -47 AAVSO
-49 10.5 2434644 1953-09-23 2434717 1953-12-05 -73 SVO
-48 10.6 2435116 1955-01-08 2435139 1955-01-31 -23 SVO
-47 9.8 2435467 1955-12-25 2435562 1956-03-29 -95 SVO
-46 9.5 2435935 1957-04-06 2435984 1957-05-25 -49 AAVSO
-45 9.0 2436349 1958-05-25 2436406 1958-07-21 -57 AAVSO
-44 9.5 2436748 1959-06-28 2436828 1959-09-16 -80 SVO
-43 10.5 2437175 1960-08-28 2437250 1960-11-11 -75 SVO
-42 9.8 2437602 1961-10-29 2437673 1962-01-08 -71 SVO
-41 9.5 2438026 1962-12-27 2438095 1963-03-06 -69 SVO
-40 9.8 2438445 1964-02-19 2438517 1964-05-01 -72 SVO
-39 9.6 2438871 1965-04-20 2438939 1965-06-27 -68 SVO
-38 9.7 2439276 1966-05-30 2439361 1966-08-23 -85 SVO
-37 10.0 2439695 1967-07-23 2439784 1967-10-20 -89 SVO
-36 10.2 2440108 1968-09-08 2440206 1968-12-15 -98 SVO
-35 10.4 2440554 1969-11-28 2440628 1970-02-10 -74 SVO
-34 10.5 2440982 1971-01-30 2441050 1971-04-08 -68 SVO
-33 10.8 2441409 1972-04-01 2441472 1972-06-03 -63 AAVSO
-32 10.1 2441806 1973-05-03 2441895 1973-07-31 -89 SVO
-31 10.8 2442218 1974-06-19 2442317 1974-09-26 -99 SVO
-30 10.1 2442654 1975-08-29 2442739 1975-11-22 -85 SVO
-29 9.9 2443071 1976-10-19 2443161 1977-01-17 -90 SVO
-28 10.4 2443503 1977-12-25 2443583 1978-03-15 -80 SVO
-27 9.9 2443924 1979-02-19 2444006 1979-05-12 -82 SVO
-26 9.8 2444365 1980-05-05 2444428 1980-07-07 -63 SVO
-25 9.3 2444784 1981-06-28 2444850 1981-09-02 -66 SVO
-24 10.0 2445218 1982-09-05 2445272 1982-10-29 -54 SVO
-23 10.0 2445637 1983-10-29 2445694 1983-12-25 -57 SVO
-22 10.2 2446069 1985-01-03 2446117 1985-02-20 -48 SVO
-21 9.6 2446494 1986-03-04 2446539 1986-04-18 -45 SVO
-20 10.0 2446914 1987-04-28 2446961 1987-06-14 -47 SVO
-19 9.8 2447353 1988-07-10 2447383 1988-08-09 -30 SVO
-18 9.9 2447775 1989-09-05 2447805 1989-10-05 -30 SVO
-17 9.4 2448181 1990-10-16 2448228 1990-12-02 -47 SVO
-16 10.0 2448609 1991-12-18 2448650 1992-01-28 -41 SVO
-15 9.7 2449039 1993-02-20 2449072 1993-03-25 -33 SVO
-14 9.8 2449451 1994-04-08 2449494 1994-05-21 -43 SVO
-13 9.2 2449879 1995-06-10 2449916 1995-07-17 -37 SVO
-12 9.4 2450311 1996-08-15 2450339 1996-09-12 -28 SVO
-11 9.5 2450747 1997-10-25 2450761 1997-11-08 -14 SVO
-10 9.0 2451167 1998-12-19 2451183 1999-01-04 -16 SVO
-9 9.5 2451587 2000-02-12 2451605 2000-03-01 -18 SVO
-8 9.8 2452014 2001-04-14 2452027 2001-04-27 -13 SVO
-7 9.0 2452430 2002-06-04 2452450 2002-06-24 -20 SVO
-6 10.2 2452853 2003-08-01 2452872 2003-08-20 -19 SVO
-5 9.8 2453276 2004-09-27 2453294 2004-10-15 -18 SVO
-4 9.7 2453689 2005-11-14 2453716 2005-12-11 -27 SVO
-3 9.4 2454134 2007-02-02 2454138 2007-02-06 -4 SVO
-2 9.4 2454561 2008-04-04 2454561 2008-04-04 0 SVO
-1 9.4 2454965 2009-05-13 2454983 2009-05-31 -18 SVO
0 9.8 2455385 2010-07-07 2455405 2010-07-27 -20 SVO
1 9.9 2455815 2011-09-10 2455827 2011-09-22 -12 SVO
2 9.3 2456216 2012-10-15 2456249 2012-11-17 -33 SVO
3 10.6 2456658 2013-12-31 2456672 2014-01-14 -14 SVO
4 10.4 2457076 2015-02-22 2457094 2015-03-12 -18 SVO
5 10.1 2457477 2016-03-29 2457516 2016-05-07 -39 SVO
6 11.0 2457908 2017-06-03 2457938 2017-07-03 -30 SVO
7 10.8 2458311 2018-07-11 2458360 2018-08-29 -49 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.