Maxima for U UMi
Period: 330.92, Epoch: 2445418
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-94   2414710 1899-02-24 2414312 1898-01-22 398 AnHar, 1952, vol 118
-93   2414990 1899-12-01 2414642 1898-12-18 348 AnHar, 1952, vol 118
-91   2415640 1901-09-12 2415304 1900-10-11 336 AnHar, 1952, vol 118
-90   2415960 1902-07-29 2415635 1901-09-07 325 AnHar, 1952, vol 118
-89   2416300 1903-07-04 2415966 1902-08-04 334 AnHar, 1952, vol 118
-88   2416647 1904-06-15 2416297 1903-07-01 350 AnHar, 1909, vol 55, p 95
-87   2416975 1905-05-09 2416628 1904-05-27 347 AnHar, 1909, vol 55, p 95
-86   2417300 1906-03-30 2416959 1905-04-23 341 AnHar, 1909, vol 55, p 95
-85   2417628 1907-02-21 2417290 1906-03-20 338 AnHar, 1909, vol 55, p 95
-84 8.4 2417910 1907-11-30 2417621 1907-02-14 289 AAVSO
-83 8.4 2418258 1908-11-12 2417952 1908-01-11 306 SVO
-82 8.4 2418602 1909-10-22 2418283 1908-12-07 319 AAVSO
-81 8.3 2418902 1910-08-18 2418613 1909-11-02 289 AAVSO
-80 8.3 2419240 1911-07-22 2418944 1910-09-29 296 SVO
-79 8.4 2419561 1912-06-07 2419275 1911-08-26 286 SVO
-78 8.4 2419880 1913-04-22 2419606 1912-07-22 274 SVO
-77 8.2 2420206 1914-03-14 2419937 1913-06-18 269 SVO
-76 8.4 2420540 1915-02-11 2420268 1914-05-15 272 SVO
-75 8.0 2420869 1916-01-06 2420599 1915-04-11 270 SVO
-74 8.2 2421189 1916-11-21 2420930 1916-03-07 259 SVO
-73 8.6 2421512 1917-10-10 2421261 1917-02-01 251 SVO
-72 8.0 2421848 1918-09-11 2421592 1917-12-29 256 SVO
-71 8.1 2422173 1919-08-02 2421923 1918-11-25 250 SVO
-70 8.5 2422511 1920-07-05 2422254 1919-10-22 257 SVO
-69 8.5 2422839 1921-05-29 2422585 1920-09-17 254 SVO
-68 8.2 2423172 1922-04-27 2422915 1921-08-13 257 SVO
-67 8.7 2423512 1923-04-02 2423246 1922-07-10 266 SVO
-66 8.2 2423850 1924-03-05 2423577 1923-06-06 273 SVO
-65 8.2 2424179 1925-01-28 2423908 1924-05-02 271 SVO
-64 8.1 2424509 1925-12-24 2424239 1925-03-29 270 SVO
-63 8.1 2424841 1926-11-21 2424570 1926-02-23 271 SVO
-62 8.4 2425170 1927-10-16 2424901 1927-01-20 269 SVO
-61 7.9 2425490 1928-08-31 2425232 1927-12-17 258 SVO
-60 8.1 2425822 1929-07-29 2425563 1928-11-12 259 SVO
-59 8.4 2426164 1930-07-06 2425894 1929-10-09 270 SVO
-58 8.2 2426494 1931-06-01 2426225 1930-09-05 269 SVO
-57 8.0 2426814 1932-04-16 2426556 1931-08-02 258 SVO
-56 7.9 2427140 1933-03-08 2426886 1932-06-27 254 SVO
-55 8.3 2427472 1934-02-03 2427217 1933-05-24 255 SVO
-54 8.4 2427803 1934-12-31 2427548 1934-04-20 255 SVO
-53 7.9 2428129 1935-11-22 2427879 1935-03-17 250 SVO
-52 8.7 2428474 1936-11-01 2428210 1936-02-11 264 SVO
-51 8.2 2428802 1937-09-25 2428541 1937-01-07 261 SVO
-50 8.6 2429126 1938-08-15 2428872 1937-12-04 254 SVO
-49 8.3 2429462 1939-07-17 2429203 1938-10-31 259 SVO
-48 8.2 2429780 1940-05-30 2429534 1939-09-27 246 SVO
-47 8.1 2430107 1941-04-22 2429865 1940-08-23 242 SVO
-46 8.6 2430435 1942-03-16 2430196 1941-07-20 239 SVO
-45 8.5 2430761 1943-02-05 2430527 1942-06-16 234 SVO
-44 8.7 2431074 1943-12-15 2430858 1943-05-13 216 AAVSO
-43 8.3 2431391 1944-10-27 2431188 1944-04-07 203 SVO
-42 8.3 2431708 1945-09-09 2431519 1945-03-04 189 SVO
-41 8.6 2432038 1946-08-05 2431850 1946-01-29 188 SVO
-40 8.5 2432362 1947-06-25 2432181 1946-12-26 181 SVO
-39 8.1 2432665 1948-04-23 2432512 1947-11-22 153 SVO
-38 8.2 2432983 1949-03-07 2432843 1948-10-18 140 SVO
-37 8.5 2433305 1950-01-23 2433174 1949-09-14 131 SVO
-36 8.4 2433636 1950-12-20 2433505 1950-08-11 131 SVO
-35 8.2 2433956 1951-11-05 2433836 1951-07-08 120 SVO
-34 8.4 2434273 1952-09-17 2434167 1952-06-03 106 SVO
-33 8.3 2434603 1953-08-13 2434498 1953-04-30 105 SVO
-32 8.5 2434922 1954-06-28 2434829 1954-03-27 93 SVO
-31 8.4 2435247 1955-05-19 2435159 1955-02-20 88 SVO
-30 8.5 2435581 1956-04-17 2435490 1956-01-17 91 SVO
-29 8.6 2435922 1957-03-24 2435821 1956-12-13 101 AAVSO
-28 8.5 2436249 1958-02-14 2436152 1957-11-09 97 SVO
-27 8.3 2436566 1958-12-28 2436483 1958-10-06 83 SVO
-26 8.5 2436893 1959-11-20 2436814 1959-09-02 79 SVO
-25 8.4 2437222 1960-10-14 2437145 1960-07-29 77 SVO
-24 8.3 2437538 1961-08-26 2437476 1961-06-25 62 SVO
-23 8.4 2437850 1962-07-04 2437807 1962-05-22 43 SVO
-22 8.5 2438175 1963-05-25 2438138 1963-04-18 37 SVO
-21 8.5 2438495 1964-04-09 2438469 1964-03-14 26 SVO
-20 8.5 2438826 1965-03-06 2438800 1965-02-08 26 SVO
-19 8.3 2439146 1966-01-20 2439131 1966-01-05 15 SVO
-18 8.4 2439472 1966-12-12 2439461 1966-12-01 11 SVO
-17 8.3 2439796 1967-11-01 2439792 1967-10-28 4 SVO
-16 8.6 2440128 1968-09-28 2440123 1968-09-23 5 SVO
-15 8.5 2440460 1969-08-26 2440454 1969-08-20 6 SVO
-14 8.4 2440783 1970-07-15 2440785 1970-07-17 -2 SVO
-13 8.2 2441113 1971-06-10 2441116 1971-06-13 -3 SVO
-12 8.6 2441453 1972-05-15 2441447 1972-05-09 6 SVO
-11 8.3 2441783 1973-04-10 2441778 1973-04-05 5 SVO
-10 8.3 2442116 1974-03-09 2442109 1974-03-02 7 SVO
-9 8.1 2442441 1975-01-28 2442440 1975-01-27 1 SVO
-8 8.3 2442772 1975-12-25 2442771 1975-12-24 1 SVO
-7 8.4 2443100 1976-11-17 2443102 1976-11-19 -2 SVO
-6 8.6 2443436 1977-10-19 2443432 1977-10-15 4 SVO
-5 8.1 2443773 1978-09-21 2443763 1978-09-11 10 SVO
-4 8.6 2444109 1979-08-23 2444094 1979-08-08 15 SVO
-3 8.5 2444447 1980-07-26 2444425 1980-07-04 22 SVO
-2 8.5 2444777 1981-06-21 2444756 1981-05-31 21 SVO
-1 8.1 2445096 1982-05-06 2445087 1982-04-27 9 SVO
0 8.5 2445422 1983-03-28 2445418 1983-03-24 4 SVO
1 8.3 2445744 1984-02-13 2445749 1984-02-18 -5 SVO
2 8.4 2446069 1985-01-03 2446080 1985-01-14 -11 SVO
3 8.4 2446400 1985-11-30 2446411 1985-12-11 -11 SVO
4 8.6 2446734 1986-10-30 2446742 1986-11-07 -8 SVO
5 8.3 2447059 1987-09-20 2447073 1987-10-04 -14 SVO
6 8.4 2447382 1988-08-08 2447404 1988-08-30 -22 SVO
7 8.3 2447699 1989-06-21 2447734 1989-07-26 -35 SVO
8 8.3 2448018 1990-05-06 2448065 1990-06-22 -47 SVO
9 8.0 2448335 1991-03-19 2448396 1991-05-19 -61 SVO
10 8.5 2448670 1992-02-17 2448727 1992-04-14 -57 SVO
11 8.2 2448991 1993-01-03 2449058 1993-03-11 -67 SVO
12 8.4 2449310 1993-11-18 2449389 1994-02-05 -79 SVO
13 8.4 2449644 1994-10-18 2449720 1995-01-02 -76 SVO
14 8.6 2449965 1995-09-04 2450051 1995-11-29 -86 SVO
15 8.6 2450287 1996-07-22 2450382 1996-10-25 -95 SVO
16 8.3 2450606 1997-06-06 2450713 1997-09-21 -107 SVO
17 8.3 2450921 1998-04-17 2451044 1998-08-18 -123 SVO
18 8.3 2451253 1999-03-15 2451375 1999-07-15 -122 SVO
19 8.2 2451569 2000-01-25 2451705 2000-06-09 -136 SVO
20 8.3 2451872 2000-11-23 2452036 2001-05-06 -164 SVO
21 8.2 2452188 2001-10-05 2452367 2002-04-02 -179 SVO
22 8.3 2452517 2002-08-30 2452698 2003-02-27 -181 SVO
23 8.7 2452851 2003-07-30 2453029 2004-01-24 -178 SVO
24 8.3 2453170 2004-06-13 2453360 2004-12-20 -190 SVO
25 8.1 2453489 2005-04-28 2453691 2005-11-16 -202 SVO
26 8.1 2453807 2006-03-12 2454022 2006-10-13 -215 SVO
27 8.2 2454129 2007-01-28 2454353 2007-09-09 -224 SVO
28 8.3 2454461 2007-12-26 2454684 2008-08-05 -223 SVO
29 8.3 2454790 2008-11-19 2455015 2009-07-02 -225 SVO
30 8.1 2455115 2009-10-10 2455346 2010-05-29 -231 SVO
31 8.1 2455437 2010-08-28 2455677 2011-04-25 -240 SVO
32 8.2 2455765 2011-07-22 2456007 2012-03-20 -242 SVO
33 8.2 2456089 2012-06-10 2456338 2013-02-14 -249 SVO
34 8.5 2456415 2013-05-02 2456669 2014-01-11 -254 SVO
35 8.3 2456744 2014-03-27 2457000 2014-12-08 -256 SVO
36 8.0 2457069 2015-02-15 2457331 2015-11-04 -262 SVO
37 8.2 2457393 2016-01-05 2457662 2016-09-30 -269 SVO
38 8.1 2457719 2016-11-26 2457993 2017-08-27 -274 SVO
39 8.0 2458047 2017-10-20 2458324 2018-07-24 -277 SVO
40 8.2 2458372 2018-09-10 2458655 2019-06-20 -283 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.