Maxima for R CVn
Period: 328.9, Epoch: 2454106
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-132   2410742 1888-04-14 2410691 1888-02-23 51 GuL, 1918, 1.1
-129   2411735 1891-01-02 2411678 1890-11-06 57 AnHar, 1909, vol 55, p 95
-128   2412073 1891-12-06 2412007 1891-10-01 66 AnHar, 1909, vol 55, p 95
-127   2412401 1892-10-29 2412336 1892-08-25 65 GuL, 1918, 1.1
-126   2412742 1893-10-05 2412665 1893-07-20 77 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-125   2413067 1894-08-26 2412994 1894-06-14 73 AnHar, 1909, vol 55, p 95
-124   2413400 1895-07-25 2413322 1895-05-08 78 AnHar, 1909, vol 55, p 95
-123   2413768 1896-07-27 2413651 1896-04-01 117 AnHar, 1909, vol 55, p 95
-122   2414065 1897-05-20 2413980 1897-02-24 85 AnHar, 1909, vol 55, p 95
-121   2414397 1898-04-17 2414309 1898-01-19 88 AnHar, 1909, vol 55, p 95
-120   2414720 1899-03-06 2414638 1898-12-14 82 SVO
-119   2415030 1900-01-10 2414967 1899-11-08 63 AnHar, 1952, vol 118
-118   2415375 1900-12-21 2415296 1900-10-03 79 AnHar, 1952, vol 118
-117   2415698 1901-11-09 2415625 1901-08-28 73 AnHar, 1909, vol 55, p 95
-116   2416011 1902-09-18 2415954 1902-07-23 57 AnHar, 1909, vol 55, p 95
-115   2416348 1903-08-21 2416283 1903-06-17 65 AnHar, 1909, vol 55, p 95
-114   2416672 1904-07-10 2416611 1904-05-10 61 AnHar, 1909, vol 55, p 95
-113   2416973 1905-05-07 2416940 1905-04-04 33 AAVSO
-112 7.0 2417287 1906-03-17 2417269 1906-02-27 18 AAVSO
-111   2417622 1907-02-15 2417598 1907-01-22 24 AAVSO
-110   2417934 1907-12-24 2417927 1907-12-17 7 AAVSO
-109 8.2 2418269 1908-11-23 2418256 1908-11-10 13 AAVSO
-108 8.1 2418609 1909-10-29 2418585 1909-10-05 24 AAVSO
-107 8.2 2418925 1910-09-10 2418914 1910-08-30 11 AAVSO
-106 7.3 2419263 1911-08-14 2419243 1911-07-25 20 AAVSO
-105 7.4 2419587 1912-07-03 2419572 1912-06-18 15 AAVSO
-104 7.6 2419909 1913-05-21 2419900 1913-05-12 9 AAVSO
-103 7.0 2420233 1914-04-10 2420229 1914-04-06 4 AAVSO
-102 7.6 2420559 1915-03-02 2420558 1915-03-01 1 SVO
-101 7.4 2420885 1916-01-22 2420887 1916-01-24 -2 SVO
-100 7.4 2421197 1916-11-29 2421216 1916-12-18 -19 SVO
-99 7.4 2421531 1917-10-29 2421545 1917-11-12 -14 SVO
-98 7.6 2421856 1918-09-19 2421874 1918-10-07 -18 SVO
-97 7.6 2422182 1919-08-11 2422203 1919-09-01 -21 SVO
-96 7.7 2422504 1920-06-28 2422532 1920-07-26 -28 SVO
-95 7.5 2422830 1921-05-20 2422861 1921-06-20 -31 SVO
-94 7.7 2423159 1922-04-14 2423189 1922-05-14 -30 SVO
-93 7.9 2423496 1923-03-17 2423518 1923-04-08 -22 SVO
-92 7.5 2423825 1924-02-09 2423847 1924-03-02 -22 SVO
-91 7.2 2424146 1924-12-26 2424176 1925-01-25 -30 SVO
-90 7.7 2424456 1925-11-01 2424505 1925-12-20 -49 SVO
-89 7.3 2424783 1926-09-24 2424834 1926-11-14 -51 SVO
-88 7.3 2425095 1927-08-02 2425163 1927-10-09 -68 SVO
-87 7.5 2425428 1928-06-30 2425492 1928-09-02 -64 SVO
-86 7.6 2425758 1929-05-26 2425821 1929-07-28 -63 SVO
-85 7.8 2426101 1930-05-04 2426150 1930-06-22 -49 SVO
-84 7.8 2426425 1931-03-24 2426478 1931-05-16 -53 SVO
-83 7.7 2426750 1932-02-12 2426807 1932-04-09 -57 SVO
-82 7.7 2427080 1933-01-07 2427136 1933-03-04 -56 SVO
-81 7.5 2427403 1933-11-26 2427465 1934-01-27 -62 SVO
-80 7.8 2427739 1934-10-28 2427794 1934-12-22 -55 SVO
-79 7.7 2428069 1935-09-23 2428123 1935-11-16 -54 SVO
-78 7.5 2428400 1936-08-19 2428452 1936-10-10 -52 SVO
-77 7.5 2428728 1937-07-13 2428781 1937-09-04 -53 SVO
-76 7.6 2429065 1938-06-15 2429110 1938-07-30 -45 SVO
-75 8.0 2429414 1939-05-30 2429439 1939-06-24 -25 SVO
-74 7.8 2429742 1940-04-22 2429767 1940-05-17 -25 SVO
-73 7.4 2430074 1941-03-20 2430096 1941-04-11 -22 SVO
-72 8.0 2430421 1942-03-02 2430425 1942-03-06 -4 SVO
-71 7.6 2430754 1943-01-29 2430754 1943-01-29 0 SVO
-70 7.7 2431097 1944-01-07 2431083 1943-12-24 14 SVO
-69 7.4 2431423 1944-11-28 2431412 1944-11-17 11 SVO
-68 7.2 2431753 1945-10-24 2431741 1945-10-12 12 SVO
-67 7.8 2432083 1946-09-19 2432070 1946-09-06 13 SVO
-66 7.5 2432416 1947-08-18 2432399 1947-08-01 17 SVO
-65 7.9 2432743 1948-07-10 2432728 1948-06-25 15 SVO
-64 7.5 2433074 1949-06-06 2433056 1949-05-19 18 SVO
-63 8.0 2433418 1950-05-16 2433385 1950-04-13 33 SVO
-62 7.7 2433750 1951-04-13 2433714 1951-03-08 36 SVO
-61 7.8 2434069 1952-02-26 2434043 1952-01-31 26 SVO
-60 8.2 2434399 1953-01-21 2434372 1952-12-25 27 AAVSO
-59 7.5 2434714 1953-12-02 2434701 1953-11-19 13 SVO
-58 7.6 2435034 1954-10-18 2435030 1954-10-14 4 SVO
-57 7.9 2435380 1955-09-29 2435359 1955-09-08 21 AAVSO
-56 7.7 2435702 1956-08-16 2435688 1956-08-02 14 SVO
-55 7.7 2436028 1957-07-08 2436017 1957-06-27 11 SVO
-54 7.6 2436354 1958-05-30 2436345 1958-05-21 9 SVO
-53 7.2 2436674 1959-04-15 2436674 1959-04-15 0 SVO
-52 8.0 2437013 1960-03-19 2437003 1960-03-09 10 SVO
-51 7.8 2437337 1961-02-06 2437332 1961-02-01 5 SVO
-50 7.6 2437653 1961-12-19 2437661 1961-12-27 -8 SVO
-49 8.2 2437988 1962-11-19 2437990 1962-11-21 -2 SVO
-48 7.6 2438325 1963-10-22 2438319 1963-10-16 6 SVO
-47 7.8 2438652 1964-09-13 2438648 1964-09-09 4 SVO
-46 8.1 2438995 1965-08-22 2438977 1965-08-04 18 SVO
-45 7.5 2439316 1966-07-09 2439306 1966-06-29 10 SVO
-44 7.6 2439647 1967-06-05 2439634 1967-05-23 13 SVO
-43 7.4 2439968 1968-04-21 2439963 1968-04-16 5 SVO
-42 7.3 2440294 1969-03-13 2440292 1969-03-11 2 SVO
-41 7.6 2440625 1970-02-07 2440621 1970-02-03 4 SVO
-40 7.9 2440954 1971-01-02 2440950 1970-12-29 4 SVO
-39 7.4 2441282 1971-11-26 2441279 1971-11-23 3 SVO
-38 8.1 2441624 1972-11-02 2441608 1972-10-17 16 SVO
-37 7.6 2441950 1973-09-24 2441937 1973-09-11 13 SVO
-36 7.3 2442273 1974-08-13 2442266 1974-08-06 7 SVO
-35 7.7 2442605 1975-07-11 2442595 1975-07-01 10 SVO
-34 7.6 2442934 1976-06-04 2442923 1976-05-24 11 SVO
-33 7.5 2443258 1977-04-24 2443252 1977-04-18 6 SVO
-32 7.2 2443585 1978-03-17 2443581 1978-03-13 4 SVO
-31 7.9 2443914 1979-02-09 2443910 1979-02-05 4 SVO
-30 7.5 2444241 1980-01-02 2444239 1979-12-31 2 SVO
-29 7.7 2444578 1980-12-04 2444568 1980-11-24 10 SVO
-28 7.5 2444898 1981-10-20 2444897 1981-10-19 1 SVO
-27 7.3 2445223 1982-09-10 2445226 1982-09-13 -3 SVO
-26 8.2 2445554 1983-08-07 2445555 1983-08-08 -1 SVO
-25 7.5 2445874 1984-06-22 2445884 1984-07-02 -10 SVO
-24 7.5 2446196 1985-05-10 2446212 1985-05-26 -16 SVO
-23 7.6 2446528 1986-04-07 2446541 1986-04-20 -13 SVO
-22 7.6 2446850 1987-02-23 2446870 1987-03-15 -20 SVO
-21 7.5 2447168 1988-01-07 2447199 1988-02-07 -31 SVO
-20 7.5 2447484 1988-11-18 2447528 1989-01-01 -44 SVO
-19 7.8 2447818 1989-10-18 2447857 1989-11-26 -39 SVO
-18 7.5 2448144 1990-09-09 2448186 1990-10-21 -42 SVO
-17 7.4 2448478 1991-08-09 2448515 1991-09-15 -37 SVO
-16 7.9 2448816 1992-07-12 2448844 1992-08-09 -28 SVO
-15 7.3 2449147 1993-06-08 2449173 1993-07-04 -26 SVO
-14 8.2 2449478 1994-05-05 2449501 1994-05-28 -23 SVO
-13 7.6 2449814 1995-04-06 2449830 1995-04-22 -16 SVO
-12 8.0 2450136 1996-02-22 2450159 1996-03-16 -23 SVO
-11 7.3 2450461 1997-01-12 2450488 1997-02-08 -27 SVO
-10 7.8 2450792 1997-12-09 2450817 1998-01-03 -25 SVO
-9 7.6 2451121 1998-11-03 2451146 1998-11-28 -25 SVO
-8 7.6 2451444 1999-09-22 2451475 1999-10-23 -31 SVO
-7 7.7 2451781 2000-08-24 2451804 2000-09-16 -23 SVO
-6 7.5 2452110 2001-07-19 2452133 2001-08-11 -23 SVO
-5 7.6 2452446 2002-06-20 2452462 2002-07-06 -16 SVO
-4 7.3 2452771 2003-05-11 2452790 2003-05-30 -19 SVO
-3 7.9 2453109 2004-04-13 2453119 2004-04-23 -10 SVO
-2 7.8 2453446 2005-03-16 2453448 2005-03-18 -2 SVO
-1 7.7 2453771 2006-02-04 2453777 2006-02-10 -6 SVO
0 7.2 2454103 2007-01-02 2454106 2007-01-05 -3 SVO
1 7.9 2454432 2007-11-27 2454435 2007-11-30 -3 SVO
2 7.4 2454765 2008-10-25 2454764 2008-10-24 1 SVO
3 7.7 2455093 2009-09-18 2455093 2009-09-18 0 SVO
4 7.4 2455427 2010-08-18 2455422 2010-08-13 5 SVO
5 7.7 2455755 2011-07-12 2455751 2011-07-08 4 SVO
6 7.1 2456076 2012-05-28 2456079 2012-05-31 -3 SVO
7 8.0 2456411 2013-04-28 2456408 2013-04-25 3 SVO
8 7.7 2456742 2014-03-25 2456737 2014-03-20 5 SVO
9 7.6 2457066 2015-02-12 2457066 2015-02-12 0 SVO
10 7.5 2457401 2016-01-13 2457395 2016-01-07 6 SVO
11 7.8 2457729 2016-12-06 2457724 2016-12-01 5 SVO
12 7.5 2458055 2017-10-28 2458053 2017-10-26 2 SVO
13 7.9 2458379 2018-09-17 2458382 2018-09-20 -3 SVO
14 7.6 2458708 2019-08-12 2458711 2019-08-15 -3 SVO
15 7.3 2459027 2020-06-26 2459040 2020-07-09 -13 SVO
16 7.2 2459354 2021-05-19 2459368 2021-06-02 -14 SVO
17 7.8 2459693 2022-04-23 2459697 2022-04-27 -4 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.