Maxima for RT Cyg
Period: 190.28, Epoch: 2444588
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-173   2411670 1890-10-29 2411670 1890-10-29 0 AnHar, 1909, vol 55, p 95
-171   2412048 1891-11-11 2412050 1891-11-13 -2 AnHar, 1909, vol 55, p 95
-169   2412428 1892-11-25 2412431 1892-11-28 -3 AnHar, 1909, vol 55, p 95
-168   2412622 1893-06-07 2412621 1893-06-06 1 GuL, 1920, 1.2
-167   2412807 1893-12-09 2412811 1893-12-13 -4 AnHar, 1909, vol 55, p 95
-166   2412997 1894-06-17 2413002 1894-06-22 -5 AnHar, 1909, vol 55, p 95
-165   2413182 1894-12-19 2413192 1894-12-29 -10 AnHar, 1909, vol 55, p 95
-164   2413385 1895-07-10 2413382 1895-07-07 3 AnHar, 1909, vol 55, p 95
-163   2413571 1896-01-12 2413572 1896-01-13 -1 AnHar, 1909, vol 55, p 95
-162   2413753 1896-07-12 2413763 1896-07-22 -10 AnHar, 1909, vol 55, p 95
-161   2413935 1897-01-10 2413953 1897-01-28 -18 AnHar, 1909, vol 55, p 95
-160   2414141 1897-08-04 2414143 1897-08-06 -2 AnHar, 1909, vol 55, p 95
-159   2414330 1898-02-09 2414333 1898-02-12 -3 AnHar, 1909, vol 55, p 95
-158   2414532 1898-08-30 2414524 1898-08-22 8 AnHar, 1909, vol 55, p 95
-157   2414700 1899-02-14 2414714 1899-02-28 -14 AnHar, 1909, vol 55, p 95
-156   2414893 1899-08-26 2414904 1899-09-06 -11 AnHar, 1909, vol 55, p 95
-155   2415090 1900-03-11 2415095 1900-03-16 -5 AnHar, 1952, vol 118
-154   2415273 1900-09-10 2415285 1900-09-22 -12 AnHar, 1909, vol 55, p 95
-152   2415650 1901-09-22 2415665 1901-10-07 -15 AnHar, 1909, vol 55, p 95
-151   2415850 1902-04-10 2415856 1902-04-16 -6 AnHar, 1909, vol 55, p 95
-150   2416035 1902-10-12 2416046 1902-10-23 -11 AnHar, 1909, vol 55, p 95
-149   2416213 1903-04-08 2416236 1903-05-01 -23 AnHar, 1909, vol 55, p 95
-148   2416409 1903-10-21 2416427 1903-11-08 -18 AnHar, 1909, vol 55, p 95
-147 8.7 2416603 1904-05-02 2416617 1904-05-16 -14 AAVSO
-146 6.6 2416796 1904-11-11 2416807 1904-11-22 -11 SVO
-145 8.4 2416999 1905-06-02 2416997 1905-05-31 2 AAVSO
-144 7.7 2417174 1905-11-24 2417188 1905-12-08 -14 AAVSO
-143 6.8 2417362 1906-05-31 2417378 1906-06-16 -16 SVO
-142 7.5 2417555 1906-12-10 2417568 1906-12-23 -13 AAVSO
-141 6.4 2417742 1907-06-15 2417759 1907-07-02 -17 AAVSO
-140 8.1 2417931 1907-12-21 2417949 1908-01-08 -18 SVO
-139 7.2 2418118 1908-06-25 2418139 1908-07-16 -21 SVO
-138   2418307 1908-12-31 2418329 1909-01-22 -22 AAVSO
-137 7.0 2418504 1909-07-16 2418520 1909-08-01 -16 AAVSO
-136   2418694 1910-01-22 2418710 1910-02-07 -16 AAVSO
-135   2418879 1910-07-26 2418900 1910-08-16 -21 AAVSO
-134   2419085 1911-02-17 2419090 1911-02-22 -5 AAVSO
-133   2419250 1911-08-01 2419281 1911-09-01 -31 AnHar, 1952, vol 118
-132 7.5 2419456 1912-02-23 2419471 1912-03-09 -15 SVO
-131 7.6 2419650 1912-09-04 2419661 1912-09-15 -11 SVO
-130 6.7 2419832 1913-03-05 2419852 1913-03-25 -20 SVO
-129 7.0 2420022 1913-09-11 2420042 1913-10-01 -20 SVO
-128 7.1 2420210 1914-03-18 2420232 1914-04-09 -22 SVO
-127 7.5 2420413 1914-10-07 2420422 1914-10-16 -9 SVO
-126 6.9 2420599 1915-04-11 2420613 1915-04-25 -14 SVO
-125 7.3 2420790 1915-10-19 2420803 1915-11-01 -13 SVO
-124 7.4 2420989 1916-05-05 2420993 1916-05-09 -4 SVO
-123 7.1 2421169 1916-11-01 2421184 1916-11-16 -15 SVO
-122 7.2 2421369 1917-05-20 2421374 1917-05-25 -5 SVO
-121 8.0 2421557 1917-11-24 2421564 1917-12-01 -7 AAVSO
-120 7.4 2421758 1918-06-13 2421754 1918-06-09 4 SVO
-119 7.9 2421948 1918-12-20 2421945 1918-12-17 3 SVO
-118 6.9 2422136 1919-06-26 2422135 1919-06-25 1 SVO
-117 7.1 2422337 1920-01-13 2422325 1920-01-01 12 SVO
-116 7.2 2422520 1920-07-14 2422516 1920-07-10 4 SVO
-115 7.1 2422707 1921-01-17 2422706 1921-01-16 1 SVO
-114 7.1 2422899 1921-07-28 2422896 1921-07-25 3 SVO
-113 7.2 2423087 1922-02-01 2423086 1922-01-31 1 SVO
-112 6.8 2423271 1922-08-04 2423277 1922-08-10 -6 SVO
-111 7.7 2423473 1923-02-22 2423467 1923-02-16 6 SVO
-110 7.3 2423661 1923-08-29 2423657 1923-08-25 4 SVO
-109 7.3 2423852 1924-03-07 2423847 1924-03-02 5 SVO
-108 7.4 2424041 1924-09-12 2424038 1924-09-09 3 SVO
-107 7.4 2424236 1925-03-26 2424228 1925-03-18 8 SVO
-106 7.2 2424430 1925-10-06 2424418 1925-09-24 12 SVO
-105 6.7 2424613 1926-04-07 2424609 1926-04-03 4 SVO
-104 8.0 2424803 1926-10-14 2424799 1926-10-10 4 SVO
-103 7.4 2424991 1927-04-20 2424989 1927-04-18 2 SVO
-102 7.8 2425191 1927-11-06 2425179 1927-10-25 12 SVO
-101 7.3 2425389 1928-05-22 2425370 1928-05-03 19 SVO
-100 6.9 2425571 1928-11-20 2425560 1928-11-09 11 SVO
-99 7.0 2425759 1929-05-27 2425750 1929-05-18 9 SVO
-98 7.1 2425947 1929-12-01 2425941 1929-11-25 6 SVO
-97 7.2 2426141 1930-06-13 2426131 1930-06-03 10 SVO
-96 7.0 2426334 1930-12-23 2426321 1930-12-10 13 SVO
-95 7.2 2426522 1931-06-29 2426511 1931-06-18 11 SVO
-94 7.0 2426710 1932-01-03 2426702 1931-12-26 8 SVO
-93 7.0 2426896 1932-07-07 2426892 1932-07-03 4 SVO
-92 7.7 2427097 1933-01-24 2427082 1933-01-09 15 SVO
-91 7.5 2427288 1933-08-03 2427273 1933-07-19 15 SVO
-90 7.5 2427480 1934-02-11 2427463 1934-01-25 17 SVO
-89 6.9 2427663 1934-08-13 2427653 1934-08-03 10 SVO
-88 7.9 2427852 1935-02-18 2427843 1935-02-09 9 SVO
-87 7.8 2428050 1935-09-04 2428034 1935-08-19 16 SVO
-86 7.1 2428235 1936-03-07 2428224 1936-02-25 11 SVO
-85 8.2 2428432 1936-09-20 2428414 1936-09-02 18 SVO
-84 8.1 2428624 1937-03-31 2428604 1937-03-11 20 SVO
-83 7.4 2428806 1937-09-29 2428795 1937-09-18 11 SVO
-82 7.5 2429002 1938-04-13 2428985 1938-03-27 17 SVO
-81 6.9 2429182 1938-10-10 2429175 1938-10-03 7 SVO
-80 7.6 2429378 1939-04-24 2429366 1939-04-12 12 SVO
-79 7.7 2429572 1939-11-04 2429556 1939-10-19 16 SVO
-78 6.9 2429750 1940-04-30 2429746 1940-04-26 4 SVO
-77 7.8 2429943 1940-11-09 2429936 1940-11-02 7 SVO
-76 7.5 2430136 1941-05-21 2430127 1941-05-12 9 SVO
-75 7.9 2430333 1941-12-04 2430317 1941-11-18 16 SVO
-74 7.1 2430517 1942-06-06 2430507 1942-05-27 10 SVO
-73 7.2 2430704 1942-12-10 2430698 1942-12-04 6 SVO
-72 7.5 2430910 1943-07-04 2430888 1943-06-12 22 SVO
-71 6.8 2431091 1944-01-01 2431078 1943-12-19 13 SVO
-70 7.5 2431289 1944-07-17 2431268 1944-06-26 21 SVO
-69 7.3 2431478 1945-01-22 2431459 1945-01-03 19 SVO
-68 7.7 2431667 1945-07-30 2431649 1945-07-12 18 SVO
-67 7.2 2431853 1946-02-01 2431839 1946-01-18 14 SVO
-66 7.2 2432043 1946-08-10 2432030 1946-07-28 13 SVO
-65 7.3 2432236 1947-02-19 2432220 1947-02-03 16 SVO
-64 7.2 2432421 1947-08-23 2432410 1947-08-12 11 SVO
-63 7.4 2432616 1948-03-05 2432600 1948-02-18 16 SVO
-62 7.6 2432802 1948-09-07 2432791 1948-08-27 11 SVO
-61 6.9 2432986 1949-03-10 2432981 1949-03-05 5 SVO
-60 7.6 2433185 1949-09-25 2433171 1949-09-11 14 SVO
-59 7.1 2433373 1950-04-01 2433361 1950-03-20 12 SVO
-58 7.7 2433570 1950-10-15 2433552 1950-09-27 18 SVO
-57 7.2 2433756 1951-04-19 2433742 1951-04-05 14 SVO
-56 7.5 2433945 1951-10-25 2433932 1951-10-12 13 SVO
-55 6.9 2434132 1952-04-29 2434123 1952-04-20 9 SVO
-54 7.7 2434329 1952-11-12 2434313 1952-10-27 16 SVO
-53 7.3 2434528 1953-05-30 2434503 1953-05-05 25 SVO
-52 7.2 2434713 1953-12-01 2434693 1953-11-11 20 SVO
-51 7.3 2434901 1954-06-07 2434884 1954-05-21 17 SVO
-50 7.0 2435082 1954-12-05 2435074 1954-11-27 8 SVO
-49 7.7 2435277 1955-06-18 2435264 1955-06-05 13 SVO
-48 7.1 2435465 1955-12-23 2435455 1955-12-13 10 SVO
-47 7.9 2435657 1956-07-02 2435645 1956-06-20 12 SVO
-46 7.2 2435843 1957-01-04 2435835 1956-12-27 8 SVO
-45 7.7 2436033 1957-07-13 2436025 1957-07-05 8 SVO
-44 7.2 2436219 1958-01-15 2436216 1958-01-12 3 SVO
-43 7.4 2436409 1958-07-24 2436406 1958-07-21 3 SVO
-42 7.2 2436599 1959-01-30 2436596 1959-01-27 3 SVO
-41 7.3 2436784 1959-08-03 2436787 1959-08-06 -3 SVO
-40 6.9 2436976 1960-02-11 2436977 1960-02-12 -1 SVO
-39 7.8 2437173 1960-08-26 2437167 1960-08-20 6 SVO
-38 7.1 2437352 1961-02-21 2437357 1961-02-26 -5 SVO
-37 8.2 2437552 1961-09-09 2437548 1961-09-05 4 SVO
-36 7.7 2437735 1962-03-11 2437738 1962-03-14 -3 SVO
-35 8.0 2437924 1962-09-16 2437928 1962-09-20 -4 SVO
-34 7.5 2438115 1963-03-26 2438118 1963-03-29 -3 SVO
-33 7.5 2438309 1963-10-06 2438309 1963-10-06 0 SVO
-32 7.0 2438495 1964-04-09 2438499 1964-04-13 -4 SVO
-31 7.9 2438687 1964-10-18 2438689 1964-10-20 -2 SVO
-30 7.2 2438873 1965-04-22 2438880 1965-04-29 -7 SVO
-29 7.6 2439072 1965-11-07 2439070 1965-11-05 2 SVO
-28 7.0 2439254 1966-05-08 2439260 1966-05-14 -6 SVO
-27 7.1 2439439 1966-11-09 2439450 1966-11-20 -11 SVO
-26 7.6 2439635 1967-05-24 2439641 1967-05-30 -6 SVO
-25 7.1 2439821 1967-11-26 2439831 1967-12-06 -10 SVO
-24 7.3 2440012 1968-06-04 2440021 1968-06-13 -9 SVO
-23 7.1 2440199 1968-12-08 2440212 1968-12-21 -13 SVO
-22 8.6 2440399 1969-06-26 2440402 1969-06-29 -3 SVO
-21 7.5 2440589 1970-01-02 2440592 1970-01-05 -3 SVO
-20 7.7 2440780 1970-07-12 2440782 1970-07-14 -2 SVO
-19 6.8 2440964 1971-01-12 2440973 1971-01-21 -9 SVO
-18 8.0 2441164 1971-07-31 2441163 1971-07-30 1 SVO
-17 7.5 2441356 1972-02-08 2441353 1972-02-05 3 SVO
-16 6.9 2441541 1972-08-11 2441544 1972-08-14 -3 SVO
-15 7.3 2441737 1973-02-23 2441734 1973-02-20 3 SVO
-14 7.0 2441924 1973-08-29 2441924 1973-08-29 0 SVO
-13 7.5 2442119 1974-03-12 2442114 1974-03-07 5 SVO
-12 6.9 2442301 1974-09-10 2442305 1974-09-14 -4 SVO
-11 7.3 2442497 1975-03-25 2442495 1975-03-23 2 SVO
-10 7.2 2442683 1975-09-27 2442685 1975-09-29 -2 SVO
-9 7.9 2442876 1976-04-07 2442875 1976-04-06 1 SVO
-8 7.5 2443069 1976-10-17 2443066 1976-10-14 3 SVO
-7 7.4 2443263 1977-04-29 2443256 1977-04-22 7 SVO
-6 7.0 2443447 1977-10-30 2443446 1977-10-29 1 SVO
-5 6.9 2443637 1978-05-08 2443637 1978-05-08 0 SVO
-4 7.2 2443827 1978-11-14 2443827 1978-11-14 0 SVO
-3 7.7 2444023 1979-05-29 2444017 1979-05-23 6 SVO
-2 7.1 2444206 1979-11-28 2444207 1979-11-29 -1 SVO
-1 7.1 2444397 1980-06-06 2444398 1980-06-07 -1 SVO
0 7.2 2444588 1980-12-14 2444588 1980-12-14 0 SVO
1 7.0 2444771 1981-06-15 2444778 1981-06-22 -7 SVO
2 8.0 2444975 1982-01-05 2444969 1981-12-30 6 SVO
3 7.3 2445153 1982-07-02 2445159 1982-07-08 -6 SVO
4 7.7 2445351 1983-01-16 2445349 1983-01-14 2 SVO
5 7.2 2445541 1983-07-25 2445539 1983-07-23 2 SVO
6 7.2 2445732 1984-02-01 2445730 1984-01-30 2 SVO
7 7.3 2445916 1984-08-03 2445920 1984-08-07 -4 SVO
8 7.3 2446112 1985-02-15 2446110 1985-02-13 2 SVO
9 7.3 2446303 1985-08-25 2446301 1985-08-23 2 SVO
10 7.0 2446491 1986-03-01 2446491 1986-03-01 0 SVO
11 6.9 2446677 1986-09-03 2446681 1986-09-07 -4 SVO
12 8.3 2446877 1987-03-22 2446871 1987-03-16 6 SVO
13 7.6 2447060 1987-09-21 2447062 1987-09-23 -2 SVO
14 7.6 2447260 1988-04-08 2447252 1988-03-31 8 SVO
15 7.2 2447445 1988-10-10 2447442 1988-10-07 3 SVO
16 7.0 2447624 1989-04-07 2447632 1989-04-15 -8 SVO
17 8.2 2447823 1989-10-23 2447823 1989-10-23 0 SVO
18 7.6 2448012 1990-04-30 2448013 1990-05-01 -1 SVO
19 7.8 2448197 1990-11-01 2448203 1990-11-07 -6 SVO
20 7.0 2448385 1991-05-08 2448394 1991-05-17 -9 SVO
21 7.6 2448579 1991-11-18 2448584 1991-11-23 -5 SVO
22 7.0 2448767 1992-05-24 2448774 1992-05-31 -7 SVO
23 7.2 2448959 1992-12-02 2448964 1992-12-07 -5 SVO
24 6.9 2449147 1993-06-08 2449155 1993-06-16 -8 SVO
25 7.0 2449333 1993-12-11 2449345 1993-12-23 -12 SVO
26 7.4 2449528 1994-06-24 2449535 1994-07-01 -7 SVO
27 7.0 2449713 1994-12-26 2449726 1995-01-08 -13 SVO
28 8.1 2449911 1995-07-12 2449916 1995-07-17 -5 SVO
29 7.5 2450094 1996-01-11 2450106 1996-01-23 -12 SVO
30 7.2 2450282 1996-07-17 2450296 1996-07-31 -14 SVO
31 8.4 2450480 1997-01-31 2450487 1997-02-07 -7 SVO
32 7.4 2450661 1997-07-31 2450677 1997-08-16 -16 SVO
33 7.6 2450861 1998-02-16 2450867 1998-02-22 -6 SVO
34 6.9 2451045 1998-08-19 2451058 1998-09-01 -13 SVO
35 7.5 2451236 1999-02-26 2451248 1999-03-10 -12 SVO
36 7.2 2451424 1999-09-02 2451438 1999-09-16 -14 SVO
37 7.2 2451619 2000-03-15 2451628 2000-03-24 -9 SVO
38 7.3 2451810 2000-09-22 2451819 2000-10-01 -9 SVO
39 8.0 2452008 2001-04-08 2452009 2001-04-09 -1 SVO
40 7.2 2452194 2001-10-11 2452199 2001-10-16 -5 SVO
41 7.4 2452387 2002-04-22 2452389 2002-04-24 -2 SVO
42 7.1 2452572 2002-10-24 2452580 2002-11-01 -8 SVO
43 7.5 2452768 2003-05-08 2452770 2003-05-10 -2 SVO
44 7.0 2452960 2003-11-16 2452960 2003-11-16 0 SVO
45 7.6 2453153 2004-05-27 2453151 2004-05-25 2 SVO
46 7.2 2453333 2004-11-23 2453341 2004-12-01 -8 SVO
47 7.6 2453526 2005-06-04 2453531 2005-06-09 -5 SVO
48 7.0 2453708 2005-12-03 2453721 2005-12-16 -13 SVO
49 7.8 2453905 2006-06-18 2453912 2006-06-25 -7 SVO
50 7.9 2454102 2007-01-01 2454102 2007-01-01 0 SVO
51 7.1 2454284 2007-07-02 2454292 2007-07-10 -8 SVO
52 7.3 2454478 2008-01-12 2454483 2008-01-17 -5 SVO
53 7.1 2454658 2008-07-10 2454673 2008-07-25 -15 SVO
54 7.4 2454850 2009-01-18 2454863 2009-01-31 -13 SVO
55 7.3 2455041 2009-07-28 2455053 2009-08-09 -12 SVO
56 6.9 2455223 2010-01-26 2455244 2010-02-16 -21 SVO
57 7.6 2455422 2010-08-13 2455434 2010-08-25 -12 SVO
58 7.4 2455616 2011-02-23 2455624 2011-03-03 -8 SVO
59 7.3 2455800 2011-08-26 2455815 2011-09-10 -15 SVO
60 7.8 2455996 2012-03-09 2456005 2012-03-18 -9 SVO
61 7.4 2456184 2012-09-13 2456195 2012-09-24 -11 SVO
62 7.6 2456377 2013-03-25 2456385 2013-04-02 -8 SVO
63 6.9 2456555 2013-09-19 2456576 2013-10-10 -21 SVO
64 8.0 2456755 2014-04-07 2456766 2014-04-18 -11 SVO
65 7.5 2456947 2014-10-16 2456956 2014-10-25 -9 SVO
66 7.2 2457127 2015-04-14 2457146 2015-05-03 -19 SVO
67 7.5 2457323 2015-10-27 2457337 2015-11-10 -14 SVO
68 7.3 2457514 2016-05-05 2457527 2016-05-18 -13 SVO
69 7.0 2457700 2016-11-07 2457717 2016-11-24 -17 SVO
70 7.9 2457899 2017-05-25 2457908 2017-06-03 -9 SVO
71 7.2 2458084 2017-11-26 2458098 2017-12-10 -14 SVO
72 8.2 2458279 2018-06-09 2458288 2018-06-18 -9 SVO
73 7.7 2458472 2018-12-19 2458478 2018-12-25 -6 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.