Maxima for R UMa
Period: 301.45, Epoch: 2458537
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-213   2394336 1843-05-15 2394328 1843-05-07 8 AnHar, 1909, vol 55, p 95
-201   2397940 1853-03-27 2397946 1853-04-02 -6 SVO
-200 7.4 2398243 1854-01-24 2398247 1854-01-28 -4 SVO
-199 7.0 2398540 1854-11-17 2398548 1854-11-25 -8 SVO
-198 7.3 2398844 1855-09-17 2398850 1855-09-23 -6 SVO
-197 7.2 2399143 1856-07-12 2399151 1856-07-20 -8 SVO
-196 7.0 2399447 1857-05-12 2399453 1857-05-18 -6 SVO
-195 7.8 2399749 1858-03-10 2399754 1858-03-15 -5 SVO
-194 7.5 2400041 1858-12-27 2400056 1859-01-11 -15 SVO
-193 7.7 2400342 1859-10-24 2400357 1859-11-08 -15 SVO
-192 7.5 2400645 1860-08-22 2400659 1860-09-05 -14 SVO
-191 6.6 2400943 1861-06-16 2400960 1861-07-03 -17 SVO
-190 7.7 2401251 1862-04-20 2401262 1862-05-01 -11 SVO
-189   2401570 1863-03-05 2401563 1863-02-26 7 AnHar, 1909, vol 55, p 95
-188   2401873 1864-01-02 2401864 1863-12-24 9 GuL, 1918, 1.1
-186 6.7 2402475 1865-08-26 2402467 1865-08-18 8 SVO
-185 8.0 2402787 1866-07-04 2402769 1866-06-16 18 SVO
-184 7.4 2403085 1867-04-28 2403070 1867-04-13 15 SVO
-183 7.8 2403394 1868-03-02 2403372 1868-02-09 22 SVO
-182 7.7 2403703 1869-01-05 2403673 1868-12-06 30 SVO
-181 7.0 2404002 1869-10-31 2403975 1869-10-04 27 SVO
-180 6.9 2404307 1870-09-01 2404276 1870-08-01 31 SVO
-179 7.9 2404616 1871-07-07 2404577 1871-05-29 39 SVO
-178 7.3 2404920 1872-05-06 2404879 1872-03-26 41 SVO
-177 6.9 2405216 1873-02-26 2405180 1873-01-21 36 SVO
-176 7.4 2405514 1873-12-21 2405482 1873-11-19 32 SVO
-175 6.8 2405820 1874-10-23 2405783 1874-09-16 37 SVO
-174   2406127 1875-08-26 2406085 1875-07-15 42 AnHar, 1909, vol 55, p 95
-173   2406422 1876-06-16 2406386 1876-05-11 36 AnHar, 1909, vol 55, p 95
-172   2406733 1877-04-23 2406688 1877-03-09 45 AnHar, 1909, vol 55, p 95
-171 7.1 2407016 1878-01-31 2406989 1878-01-04 27 SVO
-170   2407304 1878-11-15 2407291 1878-11-02 13 GuL, 1918, 1.1
-169   2407624 1879-10-01 2407592 1879-08-30 32 AnHar, 1909, vol 55, p 95
-168   2407910 1880-07-13 2407893 1880-06-26 17 GuL, 1918, 1.1
-167   2408223 1881-05-22 2408195 1881-04-24 28 AnHar, 1909, vol 55, p 95
-166   2408531 1882-03-26 2408496 1882-02-19 35 AnHar, 1909, vol 55, p 95
-165   2408811 1882-12-31 2408798 1882-12-18 13 AnHar, 1909, vol 55, p 95
-164   2409136 1883-11-21 2409099 1883-10-15 37 AnHar, 1909, vol 55, p 95
-163 6.9 2409424 1884-09-04 2409401 1884-08-12 23 SVO
-162 7.4 2409724 1885-07-01 2409702 1885-06-09 22 SVO
-161   2410027 1886-04-30 2410004 1886-04-07 23 AnHar, 1909, vol 55, p 95
-160 8.3 2410334 1887-03-03 2410305 1887-02-02 29 SVO
-159 7.6 2410636 1887-12-30 2410606 1887-11-30 30 SVO
-158   2410933 1888-10-22 2410908 1888-09-27 25 AnHar, 1909, vol 55, p 95
-157 7.0 2411232 1889-08-17 2411209 1889-07-25 23 SVO
-156 7.4 2411544 1890-06-25 2411511 1890-05-23 33 SVO
-155 7.9 2411852 1891-04-29 2411812 1891-03-20 40 SVO
-154 7.2 2412150 1892-02-21 2412114 1892-01-16 36 SVO
-153 7.6 2412443 1892-12-10 2412415 1892-11-12 28 SVO
-152 7.3 2412740 1893-10-03 2412717 1893-09-10 23 SVO
-151 7.2 2413047 1894-08-06 2413018 1894-07-08 29 SVO
-150 6.8 2413341 1895-05-27 2413320 1895-05-06 21 SVO
-149 7.1 2413632 1896-03-13 2413621 1896-03-02 11 SVO
-148   2413945 1897-01-20 2413922 1896-12-28 23 AnHar, 1909, vol 55, p 95
-147   2414246 1897-11-17 2414224 1897-10-26 22 AnHar, 1909, vol 55, p 95
-146   2414548 1898-09-15 2414525 1898-08-23 23 AnHar, 1909, vol 55, p 95
-145   2414870 1899-08-03 2414827 1899-06-21 43 AnHar, 1909, vol 55, p 95
-144 7.2 2415151 1900-05-11 2415128 1900-04-18 23 SVO
-143 7.7 2415456 1901-03-12 2415430 1901-02-14 26 SVO
-142 7.9 2415758 1902-01-08 2415731 1901-12-12 27 SVO
-141 7.5 2416058 1902-11-04 2416033 1902-10-10 25 SVO
-140 8.0 2416366 1903-09-08 2416334 1903-08-07 32 SVO
-139 7.6 2416660 1904-06-28 2416635 1904-06-03 25 SVO
-138 7.2 2416960 1905-04-24 2416937 1905-04-01 23 SVO
-137 7.8 2417268 1906-02-26 2417238 1906-01-27 30 SVO
-136 7.4 2417567 1906-12-22 2417540 1906-11-25 27 SVO
-135 7.9 2417873 1907-10-24 2417841 1907-09-22 32 SVO
-134 7.9 2418175 1908-08-21 2418143 1908-07-20 32 SVO
-133 6.9 2418464 1909-06-06 2418444 1909-05-17 20 SVO
-132 7.8 2418761 1910-03-30 2418746 1910-03-15 15 SVO
-131 7.9 2419068 1911-01-31 2419047 1911-01-10 21 SVO
-130 7.3 2419359 1911-11-18 2419349 1911-11-08 10 SVO
-129 8.0 2419662 1912-09-16 2419650 1912-09-04 12 SVO
-128 7.5 2419962 1913-07-13 2419951 1913-07-02 11 SVO
-127 7.8 2420261 1914-05-08 2420253 1914-04-30 8 SVO
-126 7.0 2420551 1915-02-22 2420554 1915-02-25 -3 SVO
-125 7.3 2420846 1915-12-14 2420856 1915-12-24 -10 SVO
-124 7.4 2421150 1916-10-13 2421157 1916-10-20 -7 SVO
-123 7.5 2421451 1917-08-10 2421459 1917-08-18 -8 SVO
-122 7.3 2421749 1918-06-04 2421760 1918-06-15 -11 SVO
-121 7.7 2422050 1919-04-01 2422062 1919-04-13 -12 SVO
-120 7.2 2422356 1920-02-01 2422363 1920-02-08 -7 SVO
-119 7.9 2422657 1920-11-28 2422664 1920-12-05 -7 SVO
-118 7.3 2422950 1921-09-17 2422966 1921-10-03 -16 SVO
-117 7.8 2423260 1922-07-24 2423267 1922-07-31 -7 SVO
-116 7.7 2423563 1923-05-23 2423569 1923-05-29 -6 SVO
-115 7.4 2423865 1924-03-20 2423870 1924-03-25 -5 SVO
-114 7.2 2424157 1925-01-06 2424172 1925-01-21 -15 SVO
-113 7.8 2424455 1925-10-31 2424473 1925-11-18 -18 SVO
-112 7.6 2424763 1926-09-04 2424775 1926-09-16 -12 SVO
-111 7.0 2425056 1927-06-24 2425076 1927-07-14 -20 SVO
-110 7.8 2425351 1928-04-14 2425378 1928-05-11 -27 SVO
-109 7.8 2425660 1929-02-17 2425679 1929-03-08 -19 SVO
-108 8.2 2425959 1929-12-13 2425980 1930-01-03 -21 SVO
-107 7.1 2426254 1930-10-04 2426282 1930-11-01 -28 SVO
-106 7.6 2426556 1931-08-02 2426583 1931-08-29 -27 SVO
-105 7.4 2426853 1932-05-25 2426885 1932-06-26 -32 SVO
-104 7.1 2427145 1933-03-13 2427186 1933-04-23 -41 SVO
-103 7.1 2427452 1934-01-14 2427488 1934-02-19 -36 SVO
-102 7.8 2427752 1934-11-10 2427789 1934-12-17 -37 SVO
-101 7.2 2428057 1935-09-11 2428091 1935-10-15 -34 SVO
-100 7.2 2428364 1936-07-14 2428392 1936-08-11 -28 SVO
-99 7.5 2428668 1937-05-14 2428693 1937-06-08 -25 SVO
-98 7.4 2428976 1938-03-18 2428995 1938-04-06 -19 SVO
-97 7.6 2429275 1939-01-11 2429296 1939-02-01 -21 SVO
-96 8.3 2429584 1939-11-16 2429598 1939-11-30 -14 SVO
-95 7.6 2429880 1940-09-07 2429899 1940-09-26 -19 SVO
-94 7.8 2430178 1941-07-02 2430201 1941-07-25 -23 SVO
-93 7.3 2430485 1942-05-05 2430502 1942-05-22 -17 SVO
-92 7.3 2430791 1943-03-07 2430804 1943-03-20 -13 SVO
-91 7.8 2431096 1944-01-06 2431105 1944-01-15 -9 SVO
-90 7.2 2431402 1944-11-07 2431407 1944-11-12 -5 SVO
-89 7.3 2431701 1945-09-02 2431708 1945-09-09 -7 SVO
-88 7.3 2432009 1946-07-07 2432009 1946-07-07 0 SVO
-87 7.9 2432320 1947-05-14 2432311 1947-05-05 9 SVO
-86 7.2 2432619 1948-03-08 2432612 1948-03-01 7 SVO
-85 7.6 2432925 1949-01-08 2432914 1948-12-28 11 SVO
-84 7.4 2433226 1949-11-05 2433215 1949-10-25 11 SVO
-83 7.2 2433524 1950-08-30 2433517 1950-08-23 7 SVO
-82 7.8 2433831 1951-07-03 2433818 1951-06-20 13 SVO
-81 7.4 2434132 1952-04-29 2434120 1952-04-17 12 SVO
-80 7.3 2434431 1953-02-22 2434421 1953-02-12 10 SVO
-79 8.0 2434739 1953-12-27 2434722 1953-12-10 17 SVO
-78 7.3 2435041 1954-10-25 2435024 1954-10-08 17 SVO
-77 7.6 2435351 1955-08-31 2435325 1955-08-05 26 SVO
-76 7.2 2435643 1956-06-18 2435627 1956-06-02 16 SVO
-75 8.4 2435949 1957-04-20 2435928 1957-03-30 21 SVO
-74 7.6 2436252 1958-02-17 2436230 1958-01-26 22 SVO
-73 7.8 2436555 1958-12-17 2436531 1958-11-23 24 SVO
-72 7.3 2436860 1959-10-18 2436833 1959-09-21 27 SVO
-71 7.3 2437161 1960-08-14 2437134 1960-07-18 27 SVO
-70 6.8 2437457 1961-06-06 2437436 1961-05-16 21 SVO
-69 8.0 2437774 1962-04-19 2437737 1962-03-13 37 SVO
-68 7.6 2438076 1963-02-15 2438038 1963-01-08 38 SVO
-67 7.6 2438374 1963-12-10 2438340 1963-11-06 34 SVO
-66 7.6 2438676 1964-10-07 2438641 1964-09-02 35 SVO
-65 8.0 2438982 1965-08-09 2438943 1965-07-01 39 SVO
-64 7.1 2439279 1966-06-02 2439244 1966-04-28 35 SVO
-63 7.8 2439576 1967-03-26 2439546 1967-02-24 30 SVO
-62 7.2 2439878 1968-01-22 2439847 1967-12-22 31 SVO
-61 8.4 2440174 1968-11-13 2440149 1968-10-19 25 SVO
-60 8.3 2440482 1969-09-17 2440450 1969-08-16 32 SVO
-59 7.5 2440782 1970-07-14 2440751 1970-06-13 31 SVO
-58 8.4 2441091 1971-05-19 2441053 1971-04-11 38 SVO
-57 7.6 2441388 1972-03-11 2441354 1972-02-06 34 SVO
-56 7.3 2441686 1973-01-03 2441656 1972-12-04 30 SVO
-55 7.7 2441990 1973-11-03 2441957 1973-10-01 33 SVO
-54 7.2 2442286 1974-08-26 2442259 1974-07-30 27 SVO
-53 7.4 2442589 1975-06-25 2442560 1975-05-27 29 SVO
-52 7.7 2442890 1976-04-21 2442862 1976-03-24 28 SVO
-51 7.6 2443194 1977-02-19 2443163 1977-01-19 31 SVO
-50 7.0 2443486 1977-12-08 2443465 1977-11-17 21 SVO
-49 8.1 2443791 1978-10-09 2443766 1978-09-14 25 SVO
-48 7.7 2444095 1979-08-09 2444067 1979-07-12 28 SVO
-47 7.5 2444393 1980-06-02 2444369 1980-05-09 24 SVO
-46 7.0 2444690 1981-03-26 2444670 1981-03-06 20 SVO
-45 7.8 2444989 1982-01-19 2444972 1982-01-02 17 SVO
-44 7.6 2445294 1982-11-20 2445273 1982-10-30 21 SVO
-43 6.7 2445584 1983-09-06 2445575 1983-08-28 9 SVO
-42 7.6 2445883 1984-07-01 2445876 1984-06-24 7 SVO
-41 7.6 2446182 1985-04-26 2446178 1985-04-22 4 SVO
-40 7.5 2446489 1986-02-27 2446479 1986-02-17 10 SVO
-39 7.4 2446793 1986-12-28 2446780 1986-12-15 13 SVO
-38 7.1 2447089 1987-10-20 2447082 1987-10-13 7 SVO
-37 7.1 2447389 1988-08-15 2447383 1988-08-09 6 SVO
-36 7.0 2447690 1989-06-12 2447685 1989-06-07 5 SVO
-35 7.4 2447994 1990-04-12 2447986 1990-04-04 8 SVO
-34 7.4 2448294 1991-02-06 2448288 1991-01-31 6 SVO
-33 6.8 2448592 1991-12-01 2448589 1991-11-28 3 SVO
-32 7.8 2448903 1992-10-07 2448891 1992-09-25 12 SVO
-31 7.6 2449197 1993-07-28 2449192 1993-07-23 5 SVO
-30 7.0 2449485 1994-05-12 2449494 1994-05-21 -9 SVO
-29 7.7 2449789 1995-03-12 2449795 1995-03-18 -6 SVO
-28 7.8 2450098 1996-01-15 2450096 1996-01-13 2 SVO
-27 7.5 2450390 1996-11-02 2450398 1996-11-10 -8 SVO
-26 7.2 2450687 1997-08-26 2450699 1997-09-07 -12 SVO
-25 7.5 2450981 1998-06-16 2451001 1998-07-06 -20 SVO
-24 7.5 2451291 1999-04-22 2451302 1999-05-03 -11 SVO
-23 7.9 2451596 2000-02-21 2451604 2000-02-29 -8 SVO
-22 7.5 2451904 2000-12-25 2451905 2000-12-26 -1 SVO
-21 6.8 2452201 2001-10-18 2452207 2001-10-24 -6 SVO
-20 7.4 2452504 2002-08-17 2452508 2002-08-21 -4 SVO
-19 7.4 2452815 2003-06-24 2452809 2003-06-18 6 SVO
-18 7.7 2453120 2004-04-24 2453111 2004-04-15 9 SVO
-17 7.2 2453422 2005-02-20 2453412 2005-02-10 10 SVO
-16 7.8 2453722 2005-12-17 2453714 2005-12-09 8 SVO
-15 8.0 2454023 2006-10-14 2454015 2006-10-06 8 SVO
-14 6.8 2454316 2007-08-03 2454317 2007-08-04 -1 SVO
-13 7.7 2454619 2008-06-01 2454618 2008-05-31 1 SVO
-12 7.8 2454927 2009-04-05 2454920 2009-03-29 7 SVO
-11 7.2 2455220 2010-01-23 2455221 2010-01-24 -1 SVO
-10 7.3 2455512 2010-11-11 2455523 2010-11-22 -11 SVO
-9 6.9 2455818 2011-09-13 2455824 2011-09-19 -6 SVO
-8 8.1 2456122 2012-07-13 2456125 2012-07-16 -3 SVO
-7 7.7 2456422 2013-05-09 2456427 2013-05-14 -5 SVO
-6 7.2 2456723 2014-03-06 2456728 2014-03-11 -5 SVO
-5 7.5 2457026 2015-01-03 2457030 2015-01-07 -4 SVO
-4 7.6 2457331 2015-11-04 2457331 2015-11-04 0 SVO
-3 7.0 2457627 2016-08-26 2457633 2016-09-01 -6 SVO
-2 7.2 2457920 2017-06-15 2457934 2017-06-29 -14 SVO
-1 7.4 2458226 2018-04-17 2458236 2018-04-27 -10 SVO
0 6.9 2458531 2019-02-16 2458537 2019-02-22 -6 SVO
1 7.4 2458833 2019-12-15 2458838 2019-12-20 -5 SVO
2 7.6 2459136 2020-10-13 2459140 2020-10-17 -4 SVO
3 7.1 2459432 2021-08-05 2459441 2021-08-14 -9 SVO
4 7.6 2459728 2022-05-28 2459743 2022-06-12 -15 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.