Maxima for U CMi
Period: 413.88, Epoch: 2443150
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-86   2407770 1880-02-24 2407556 1879-07-25 214 GuL, 1918, 1.1
-85   2408203 1881-05-02 2407970 1880-09-11 233 GuL, 1918, 1.1
-82   2409475 1884-10-25 2409212 1884-02-05 263 GuL, 1918, 1.1
-81   2409893 1885-12-17 2409626 1885-03-25 267 GuL, 1918, 1.1
-80   2410315 1887-02-12 2410040 1886-05-13 275 GuL, 1918, 1.1
-79   2410745 1888-04-17 2410453 1887-06-30 292 GuL, 1918, 1.1
-78   2411139 1889-05-16 2410867 1888-08-17 272 GuL, 1918, 1.1
-75   2412327 1892-08-16 2412109 1892-01-11 218 GuL, 1918, 1.1
-69   2414776 1899-05-01 2414592 1898-10-29 184 GuL, 1918, 1.1
-68   2415154 1900-05-14 2415006 1899-12-17 148 GuL, 1918, 1.1
-64 9.5 2416787 1904-11-02 2416662 1904-06-30 125 AAVSO
-63 9.0 2417213 1906-01-02 2417076 1905-08-18 137 AAVSO
-62 9.0 2417616 1907-02-09 2417489 1906-10-05 127 AAVSO
-61 8.9 2418026 1908-03-25 2417903 1907-11-23 123 AAVSO
-60 8.7 2418429 1909-05-02 2418317 1909-01-10 112 AAVSO
-59   2418845 1910-06-22 2418731 1910-02-28 114 AAVSO
-58 9.1 2419252 1911-08-03 2419145 1911-04-18 107 AAVSO
-57 8.2 2419667 1912-09-21 2419559 1912-06-05 108 SVO
-56 8.4 2420080 1913-11-08 2419973 1913-07-24 107 SVO
-55 9.1 2420495 1914-12-28 2420387 1914-09-11 108 SVO
-54 8.5 2420910 1916-02-16 2420800 1915-10-29 110 SVO
-53 8.8 2421333 1917-04-14 2421214 1916-12-16 119 AAVSO
-52 9.0 2421753 1918-06-08 2421628 1918-02-03 125 AAVSO
-51   2422166 1919-07-26 2422042 1919-03-24 124 AAVSO
-50 8.5 2422592 1920-09-24 2422456 1920-05-11 136 SVO
-49 8.8 2423011 1921-11-17 2422870 1921-06-29 141 SVO
-48 8.6 2423436 1923-01-16 2423284 1922-08-17 152 AAVSO
-47 8.6 2423853 1924-03-08 2423698 1923-10-05 155 SVO
-46 8.2 2424262 1925-04-21 2424112 1924-11-22 150 AAVSO
-45   2424688 1926-06-21 2424525 1926-01-09 163 AAVSO
-44   2425098 1927-08-05 2424939 1927-02-27 159 AAVSO
-43 8.9 2425505 1928-09-15 2425353 1928-04-16 152 SVO
-42 8.7 2425917 1929-11-01 2425767 1929-06-04 150 SVO
-41 8.5 2426321 1930-12-10 2426181 1930-07-23 140 SVO
-40 8.5 2426722 1932-01-15 2426595 1931-09-10 127 SVO
-39 8.7 2427122 1933-02-18 2427009 1932-10-28 113 SVO
-38 8.4 2427526 1934-03-29 2427423 1933-12-16 103 AAVSO
-37 8.7 2427933 1935-05-10 2427836 1935-02-02 97 AAVSO
-36 8.4 2428318 1936-05-29 2428250 1936-03-22 68 SVO
-35   2428739 1937-07-24 2428664 1937-05-10 75 AAVSO
-34   2429138 1938-08-27 2429078 1938-06-28 60 AAVSO
-33 8.5 2429547 1939-10-10 2429492 1939-08-16 55 SVO
-32 8.6 2429955 1940-11-21 2429906 1940-10-03 49 SVO
-31 9.2 2430365 1942-01-05 2430320 1941-11-21 45 SVO
-30 8.9 2430786 1943-03-02 2430734 1943-01-09 52 SVO
-29 8.9 2431174 1944-03-24 2431147 1944-02-26 27 AAVSO
-28 9.3 2431584 1945-05-08 2431561 1945-04-15 23 AAVSO
-27 9.2 2432004 1946-07-02 2431975 1946-06-03 29 AAVSO
-26   2432412 1947-08-14 2432389 1947-07-22 23 AAVSO
-25 9.0 2432851 1948-10-26 2432803 1948-09-08 48 SVO
-24 8.8 2433253 1949-12-02 2433217 1949-10-27 36 SVO
-23 9.2 2433673 1951-01-26 2433631 1950-12-15 42 AAVSO
-22 9.1 2434069 1952-02-26 2434045 1952-02-02 24 SVO
-21 9.0 2434453 1953-03-16 2434459 1953-03-22 -6 SVO
-20 9.0 2434856 1954-04-23 2434872 1954-05-09 -16 AAVSO
-19 9.2 2435253 1955-05-25 2435286 1955-06-27 -33 AAVSO
-18   2435644 1956-06-19 2435700 1956-08-14 -56 AAVSO
-17   2436026 1957-07-06 2436114 1957-10-02 -88 AAVSO
-16   2436423 1958-08-07 2436528 1958-11-20 -105 AAVSO
-15 8.3 2436837 1959-09-25 2436942 1960-01-08 -105 SVO
-14 8.5 2437245 1960-11-06 2437356 1961-02-25 -111 SVO
-13 9.2 2437655 1961-12-21 2437770 1962-04-15 -115 AAVSO
-12 9.4 2438077 1963-02-16 2438183 1963-06-02 -106 AAVSO
-11 9.6 2438510 1964-04-24 2438597 1964-07-20 -87 AAVSO
-10 9.0 2438921 1965-06-09 2439011 1965-09-07 -90 AAVSO
-9   2439338 1966-07-31 2439425 1966-10-26 -87 AAVSO
-8 8.5 2439739 1967-09-05 2439839 1967-12-14 -100 SVO
-7 9.0 2440178 1968-11-17 2440253 1969-01-31 -75 SVO
-6 8.9 2440611 1970-01-24 2440667 1970-03-21 -56 SVO
-5 8.9 2441036 1971-03-25 2441081 1971-05-09 -45 SVO
-4 9.3 2441431 1972-04-23 2441494 1972-06-25 -63 AAVSO
-3   2441906 1973-08-11 2441908 1973-08-13 -2 AAVSO
-2 8.7 2442316 1974-09-25 2442322 1974-10-01 -6 SVO
-1 8.5 2442737 1975-11-20 2442736 1975-11-19 1 SVO
0 8.5 2443160 1977-01-16 2443150 1977-01-06 10 SVO
1 8.6 2443591 1978-03-23 2443564 1978-02-24 27 SVO
2 8.3 2444015 1979-05-21 2443978 1979-04-14 37 AAVSO
3 8.4 2444435 1980-07-14 2444392 1980-06-01 43 AAVSO
4 9.0 2444843 1981-08-26 2444806 1981-07-20 37 SVO
5 8.8 2445263 1982-10-20 2445219 1982-09-06 44 SVO
6 8.8 2445673 1983-12-04 2445633 1983-10-25 40 SVO
7 8.6 2446083 1985-01-17 2446047 1984-12-12 36 SVO
8 8.9 2446488 1986-02-26 2446461 1986-01-30 27 SVO
9 8.7 2446897 1987-04-11 2446875 1987-03-20 22 SVO
10 8.5 2447309 1988-05-27 2447289 1988-05-07 20 SVO
11   2447711 1989-07-03 2447703 1989-06-25 8 AAVSO
12 9.0 2448114 1990-08-10 2448117 1990-08-13 -3 SVO
13 8.9 2448515 1991-09-15 2448530 1991-09-30 -15 SVO
14 9.2 2448921 1992-10-25 2448944 1992-11-17 -23 SVO
15 8.8 2449330 1993-12-08 2449358 1994-01-05 -28 SVO
16 9.0 2449751 1995-02-02 2449772 1995-02-23 -21 SVO
17 8.8 2450164 1996-03-21 2450186 1996-04-12 -22 SVO
18 8.6 2450591 1997-05-22 2450600 1997-05-31 -9 SVO
19   2450996 1998-07-01 2451014 1998-07-19 -18 AAVSO
20   2451408 1999-08-17 2451428 1999-09-06 -20 AAVSO
21 8.5 2451804 2000-09-16 2451841 2000-10-23 -37 SVO
22 9.3 2452237 2001-11-23 2452255 2001-12-11 -18 SVO
23 9.1 2452651 2003-01-11 2452669 2003-01-29 -18 SVO
24 8.9 2453057 2004-02-21 2453083 2004-03-18 -26 SVO
25 8.9 2453465 2005-04-04 2453497 2005-05-06 -32 SVO
26   2453901 2006-06-14 2453911 2006-06-24 -10 AAVSO
27   2454299 2007-07-17 2454325 2007-08-12 -26 AAVSO
28 8.2 2454697 2008-08-18 2454739 2008-09-29 -42 SVO
29 9.0 2455112 2009-10-07 2455153 2009-11-17 -41 SVO
30 9.6 2455557 2010-12-26 2455566 2011-01-04 -9 AAVSO
31 9.3 2455971 2012-02-13 2455980 2012-02-22 -9 AAVSO
32 9.1 2456352 2013-02-28 2456394 2013-04-11 -42 SVO
33 9.2 2456756 2014-04-08 2456808 2014-05-30 -52 SVO
34 8.9 2457167 2015-05-24 2457222 2015-07-18 -55 SVO
35   2457593 2016-07-23 2457636 2016-09-04 -43 AAVSO
36 8.9 2457985 2017-08-19 2458050 2017-10-23 -65 AAVSO


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.