Maxima for R Cet
Period: 166.24, Epoch: 2443768
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-245   2403023 1867-02-25 2403039 1867-03-13 -16 AnHar, 1909, vol 55, p 95
-243   2403359 1868-01-27 2403372 1868-02-09 -13 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-242   2403534 1868-07-20 2403538 1868-07-24 -4 VeBam, 1931, vol 3, p 1
-241   2403697 1868-12-30 2403704 1869-01-06 -7 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-239 9.6 2404042 1869-12-10 2404037 1869-12-05 5 SVO
-237 8.6 2404374 1870-11-07 2404369 1870-11-02 5 SVO
-235 9.2 2404703 1871-10-02 2404702 1871-10-01 1 SVO
-234   2404861 1872-03-08 2404868 1872-03-15 -7 VeBam, 1931, vol 3, p 1
-233   2405036 1872-08-30 2405034 1872-08-28 2 AnHar, 1909, vol 55, p 95
-232   2405204 1873-02-14 2405200 1873-02-10 4 AnHar, 1909, vol 55, p 95
-230 8.2 2405541 1874-01-17 2405533 1874-01-09 8 SVO
-228 9.4 2405871 1874-12-13 2405865 1874-12-07 6 SVO
-222   2406875 1877-09-12 2406863 1877-08-31 12 GuL, 1918, 1.1
-221   2407052 1878-03-08 2407029 1878-02-13 23 GuL, 1918, 1.1
-220   2407208 1878-08-11 2407195 1878-07-29 13 GuL, 1918, 1.1
-219   2407386 1879-02-05 2407361 1879-01-11 25 GuL, 1918, 1.1
-217   2407712 1879-12-28 2407694 1879-12-10 18 GuL, 1918, 1.1
-215   2408061 1880-12-11 2408026 1880-11-06 35 GuL, 1918, 1.1
-213   2408374 1881-10-20 2408359 1881-10-05 15 GuL, 1918, 1.1
-211   2408705 1882-09-16 2408691 1882-09-02 14 AN, 1910, vol 186, p 45
-209   2409059 1883-09-05 2409024 1883-08-01 35 GuL, 1918, 1.1
-208   2409209 1884-02-02 2409190 1884-01-14 19 AN, 1910, vol 186, p 45
-204   2409879 1885-12-03 2409855 1885-11-09 24 AnHar, 1909, vol 55, p 95
-202   2410199 1886-10-19 2410188 1886-10-08 11 AN, 1910, vol 186, p 45, AnHar, 1909, vol 55, p 95
-200   2410530 1887-09-15 2410520 1887-09-05 10 AN, 1910, vol 186, p 45
-198   2410864 1888-08-14 2410852 1888-08-02 12 AN, 1910, vol 186, p 45
-195   2411372 1890-01-04 2411351 1889-12-14 21 AnHar, 1909, vol 55, p 95
-193   2411712 1890-12-10 2411684 1890-11-12 28 AnHar, 1909, vol 55, p 95
-191   2412043 1891-11-06 2412016 1891-10-10 27 AnHar, 1909, vol 55, p 95
-189   2412376 1892-10-04 2412349 1892-09-07 27 GuL, 1918, 1.1
-186   2412883 1894-02-23 2412847 1894-01-18 36 AnHar, 1909, vol 55, p 95
-184   2413222 1895-01-28 2413180 1894-12-17 42 AnHar, 1909, vol 55, p 95
-182   2413549 1895-12-21 2413512 1895-11-14 37 AnHar, 1909, vol 55, p 95
-180   2413903 1896-12-09 2413845 1896-10-12 58 AnHar, 1909, vol 55, p 95
-178   2414222 1897-10-24 2414177 1897-09-09 45 AnHar, 1909, vol 55, p 95
-176   2414555 1898-09-22 2414510 1898-08-08 45 GuL, 1918, 1.1
-175   2414720 1899-03-06 2414676 1899-01-21 44 GuL, 1918, 1.1
-171   2415380 1900-12-26 2415341 1900-11-17 39 AnHar, 1952, vol 118
-169   2415716 1901-11-27 2415673 1901-10-15 43 AnHar, 1909, vol 55, p 95
-167 8.8 2416047 1902-10-24 2416006 1902-09-13 41 AAVSO
-165 8.5 2416381 1903-09-23 2416338 1903-08-11 43 AAVSO
-164   2416557 1904-03-17 2416505 1904-01-25 52 AAVSO
-163   2416721 1904-08-28 2416671 1904-07-09 50 AAVSO
-162 7.3 2416875 1905-01-29 2416837 1904-12-22 38 AAVSO
-160 9.0 2417219 1906-01-08 2417170 1905-11-20 49 AAVSO
-158 8.8 2417532 1906-11-17 2417502 1906-10-18 30 AAVSO
-156 7.7 2417877 1907-10-28 2417835 1907-09-16 42 AAVSO
-154   2418203 1908-09-18 2418167 1908-08-13 36 AAVSO
-153 7.7 2418375 1909-03-09 2418333 1909-01-26 42 AAVSO
-152   2418538 1909-08-19 2418500 1909-07-12 38 AAVSO
-151 8.0 2418704 1910-02-01 2418666 1909-12-25 38 AAVSO
-149   2419020 1910-12-14 2418998 1910-11-22 22 AnHar, 1952, vol 118
-147 7.5 2419379 1911-12-08 2419331 1911-10-21 48 AAVSO
-145 8.0 2419699 1912-10-23 2419663 1912-09-17 36 AAVSO
-144 8.0 2419850 1913-03-23 2419829 1913-03-02 21 AAVSO
-143   2420045 1913-10-04 2419996 1913-08-16 49 AnHar, 1952, vol 118
-142   2420215 1914-03-23 2420162 1914-01-29 53 AAVSO
-141   2420378 1914-09-02 2420328 1914-07-14 50 AAVSO
-140   2420551 1915-02-22 2420494 1914-12-27 57 AAVSO
-139   2420705 1915-07-26 2420661 1915-06-12 44 AAVSO
-138 8.0 2420876 1916-01-13 2420827 1915-11-25 49 AAVSO
-136 7.9 2421202 1916-12-04 2421159 1916-10-22 43 SVO
-134 8.0 2421532 1917-10-30 2421492 1917-09-20 40 AAVSO
-132 8.6 2421874 1918-10-07 2421824 1918-08-18 50 SVO
-130 7.9 2422207 1919-09-05 2422157 1919-07-17 50 AAVSO
-129 8.3 2422371 1920-02-16 2422323 1919-12-30 48 AAVSO
-128   2422547 1920-08-10 2422489 1920-06-13 58 AAVSO
-127 8.0 2422706 1921-01-16 2422656 1920-11-27 50 AAVSO
-125 7.9 2423029 1921-12-05 2422988 1921-10-25 41 AAVSO
-123 8.1 2423357 1922-10-29 2423320 1922-09-22 37 AAVSO
-121 8.2 2423699 1923-10-06 2423653 1923-08-21 46 AAVSO
-120   2423863 1924-03-18 2423819 1924-02-03 44 AAVSO
-119 7.9 2424039 1924-09-10 2423985 1924-07-18 54 AAVSO
-118 8.3 2424205 1925-02-23 2424152 1925-01-01 53 AAVSO
-117 7.8 2424369 1925-08-06 2424318 1925-06-16 51 AAVSO
-116 8.3 2424539 1926-01-23 2424484 1925-11-29 55 AAVSO
-115 8.1 2424709 1926-07-12 2424650 1926-05-14 59 AAVSO
-114 7.8 2424864 1926-12-14 2424817 1926-10-28 47 SVO
-113   2425029 1927-05-28 2424983 1927-04-12 46 AAVSO
-112 8.2 2425192 1927-11-07 2425149 1927-09-25 43 SVO
-111   2425357 1928-04-20 2425315 1928-03-09 42 AAVSO
-110 8.3 2425525 1928-10-05 2425482 1928-08-23 43 SVO
-109 8.3 2425690 1929-03-19 2425648 1929-02-05 42 AAVSO
-108 7.8 2425848 1929-08-24 2425814 1929-07-21 34 SVO
-107 8.3 2426019 1930-02-11 2425980 1930-01-03 39 AAVSO
-106 8.1 2426183 1930-07-25 2426147 1930-06-19 36 AAVSO
-105 7.8 2426350 1931-01-08 2426313 1930-12-02 37 SVO
-104   2426510 1931-06-17 2426479 1931-05-17 31 AAVSO
-103 8.4 2426682 1931-12-06 2426645 1931-10-30 37 SVO
-101 7.9 2427006 1932-10-25 2426978 1932-09-27 28 SVO
-100   2427180 1933-04-17 2427144 1933-03-12 36 AAVSO
-99 7.8 2427339 1933-09-23 2427310 1933-08-25 29 SVO
-98 7.8 2427509 1934-03-12 2427476 1934-02-07 33 AAVSO
-97 7.9 2427681 1934-08-31 2427643 1934-07-24 38 SVO
-96 7.6 2427844 1935-02-10 2427809 1935-01-06 35 SVO
-95 8.1 2428010 1935-07-26 2427975 1935-06-21 35 AAVSO
-94 8.3 2428175 1936-01-07 2428141 1935-12-04 34 SVO
-93   2428339 1936-06-19 2428308 1936-05-19 31 AAVSO
-92 7.9 2428504 1936-12-01 2428474 1936-11-01 30 SVO
-91   2428669 1937-05-15 2428640 1937-04-16 29 AAVSO
-90 8.5 2428835 1937-10-28 2428806 1937-09-29 29 SVO
-89   2429000 1938-04-11 2428973 1938-03-15 27 AAVSO
-88 8.4 2429169 1938-09-27 2429139 1938-08-28 30 SVO
-87 7.4 2429328 1939-03-05 2429305 1939-02-10 23 AAVSO
-86 8.4 2429497 1939-08-21 2429471 1939-07-26 26 SVO
-85 7.8 2429661 1940-02-01 2429638 1940-01-09 23 SVO
-84 8.4 2429829 1940-07-18 2429804 1940-06-23 25 AAVSO
-83 8.8 2429995 1940-12-31 2429970 1940-12-06 25 SVO
-82   2430153 1941-06-07 2430136 1941-05-21 17 AAVSO
-81 7.8 2430320 1941-11-21 2430303 1941-11-04 17 SVO
-79 8.5 2430652 1942-10-19 2430635 1942-10-02 17 SVO
-78   2430819 1943-04-04 2430801 1943-03-17 18 AAVSO
-77 8.1 2430990 1943-09-22 2430968 1943-08-31 22 SVO
-76 7.3 2431153 1944-03-03 2431134 1944-02-13 19 AAVSO
-75 8.9 2431323 1944-08-20 2431300 1944-07-28 23 AAVSO
-74 8.6 2431483 1945-01-27 2431466 1945-01-10 17 SVO
-73 8.3 2431651 1945-07-14 2431632 1945-06-25 19 AAVSO
-72 8.0 2431818 1945-12-28 2431799 1945-12-09 19 SVO
-71   2431976 1946-06-04 2431965 1946-05-24 11 AAVSO
-70 7.8 2432146 1946-11-21 2432131 1946-11-06 15 SVO
-68 8.6 2432483 1947-10-24 2432464 1947-10-05 19 SVO
-66 8.9 2432816 1948-09-21 2432796 1948-09-01 20 SVO
-65 8.2 2432979 1949-03-03 2432962 1949-02-14 17 AAVSO
-64 8.4 2433141 1949-08-12 2433129 1949-07-31 12 AAVSO
-63 8.9 2433320 1950-02-07 2433295 1950-01-13 25 SVO
-62 8.4 2433467 1950-07-04 2433461 1950-06-28 6 AAVSO
-61 8.1 2433639 1950-12-23 2433627 1950-12-11 12 SVO
-60   2433814 1951-06-16 2433794 1951-05-27 20 AAVSO
-59 8.7 2433974 1951-11-23 2433960 1951-11-09 14 SVO
-58   2434140 1952-05-07 2434126 1952-04-23 14 AAVSO
-57 8.6 2434303 1952-10-17 2434292 1952-10-06 11 SVO
-56   2434466 1953-03-29 2434459 1953-03-22 7 AAVSO
-55 8.5 2434622 1953-09-01 2434625 1953-09-04 -3 AAVSO
-54 8.5 2434796 1954-02-22 2434791 1954-02-17 5 SVO
-53 9.2 2434954 1954-07-30 2434957 1954-08-02 -3 AAVSO
-52 8.4 2435130 1955-01-22 2435124 1955-01-16 6 SVO
-51   2435294 1955-07-05 2435290 1955-07-01 4 AAVSO
-50 8.5 2435464 1955-12-22 2435456 1955-12-14 8 SVO
-49   2435623 1956-05-29 2435622 1956-05-28 1 AAVSO
-48 8.4 2435799 1956-11-21 2435788 1956-11-10 11 SVO
-47   2435964 1957-05-05 2435955 1957-04-26 9 AAVSO
-46 8.2 2436128 1957-10-16 2436121 1957-10-09 7 SVO
-45   2436295 1958-04-01 2436287 1958-03-24 8 AAVSO
-44 8.1 2436465 1958-09-18 2436453 1958-09-06 12 SVO
-43 8.3 2436628 1959-02-28 2436620 1959-02-20 8 AAVSO
-42 8.1 2436790 1959-08-09 2436786 1959-08-05 4 AAVSO
-41 8.8 2436965 1960-01-31 2436952 1960-01-18 13 SVO
-40 8.1 2437125 1960-07-09 2437118 1960-07-02 7 AAVSO
-39 8.2 2437293 1960-12-24 2437285 1960-12-16 8 SVO
-38   2437456 1961-06-05 2437451 1961-05-31 5 AAVSO
-37 8.5 2437625 1961-11-21 2437617 1961-11-13 8 SVO
-36   2437788 1962-05-03 2437783 1962-04-28 5 AAVSO
-35 8.0 2437957 1962-10-19 2437950 1962-10-12 7 SVO
-34 8.1 2438118 1963-03-29 2438116 1963-03-27 2 AAVSO
-33 8.1 2438288 1963-09-15 2438282 1963-09-09 6 SVO
-32 7.8 2438451 1964-02-25 2438448 1964-02-22 3 AAVSO
-31 8.4 2438623 1964-08-15 2438615 1964-08-07 8 AAVSO
-30 8.1 2438789 1965-01-28 2438781 1965-01-20 8 SVO
-29   2438950 1965-07-08 2438947 1965-07-05 3 AAVSO
-28 8.0 2439120 1965-12-25 2439113 1965-12-18 7 SVO
-27 8.4 2439289 1966-06-12 2439280 1966-06-03 9 AAVSO
-26 8.6 2439448 1966-11-18 2439446 1966-11-16 2 SVO
-25   2439613 1967-05-02 2439612 1967-05-01 1 AAVSO
-24 7.9 2439782 1967-10-18 2439778 1967-10-14 4 SVO
-23   2439948 1968-04-01 2439944 1968-03-28 4 AAVSO
-22 8.0 2440120 1968-09-20 2440111 1968-09-11 9 SVO
-21 7.8 2440279 1969-02-26 2440277 1969-02-24 2 AAVSO
-20 7.8 2440445 1969-08-11 2440443 1969-08-09 2 SVO
-19 7.8 2440611 1970-01-24 2440609 1970-01-22 2 SVO
-18 8.1 2440779 1970-07-11 2440776 1970-07-08 3 AAVSO
-17 8.2 2440948 1970-12-27 2440942 1970-12-21 6 SVO
-16   2441109 1971-06-06 2441108 1971-06-05 1 AAVSO
-15 8.1 2441276 1971-11-20 2441274 1971-11-18 2 SVO
-14   2441441 1972-05-03 2441441 1972-05-03 0 AAVSO
-13 8.1 2441613 1972-10-22 2441607 1972-10-16 6 SVO
-12 7.5 2441780 1973-04-07 2441773 1973-03-31 7 AAVSO
-11 8.0 2441940 1973-09-14 2441939 1973-09-13 1 SVO
-10 8.2 2442107 1974-02-28 2442106 1974-02-27 1 AAVSO
-9 8.2 2442267 1974-08-07 2442272 1974-08-12 -5 AAVSO
-8 7.7 2442434 1975-01-21 2442438 1975-01-25 -4 SVO
-7 8.0 2442599 1975-07-05 2442604 1975-07-10 -5 AAVSO
-6 8.1 2442769 1975-12-22 2442771 1975-12-24 -2 SVO
-5   2442934 1976-06-04 2442937 1976-06-07 -3 AAVSO
-4 7.9 2443106 1976-11-23 2443103 1976-11-20 3 SVO
-3   2443267 1977-05-03 2443269 1977-05-05 -2 AAVSO
-2 8.2 2443436 1977-10-19 2443436 1977-10-19 0 SVO
-1   2443599 1978-03-31 2443602 1978-04-03 -3 AAVSO
0 7.8 2443772 1978-09-20 2443768 1978-09-16 4 SVO
1 8.5 2443935 1979-03-02 2443934 1979-03-01 1 SVO
2 7.9 2444107 1979-08-21 2444100 1979-08-14 7 SVO
3 7.8 2444276 1980-02-06 2444267 1980-01-28 9 SVO
4 8.0 2444435 1980-07-14 2444433 1980-07-12 2 AAVSO
5 7.7 2444603 1980-12-29 2444599 1980-12-25 4 SVO
6 9.5 2444764 1981-06-08 2444765 1981-06-09 -1 AAVSO
7 8.1 2444933 1981-11-24 2444932 1981-11-23 1 SVO
8 8.1 2445094 1982-05-04 2445098 1982-05-08 -4 AAVSO
9 8.2 2445262 1982-10-19 2445264 1982-10-21 -2 SVO
10 8.5 2445426 1983-04-01 2445430 1983-04-05 -4 AAVSO
11 7.7 2445588 1983-09-10 2445597 1983-09-19 -9 SVO
12 8.2 2445753 1984-02-22 2445763 1984-03-03 -10 AAVSO
13 8.0 2445922 1984-08-09 2445929 1984-08-16 -7 AAVSO
14 7.7 2446085 1985-01-19 2446095 1985-01-29 -10 SVO
15 8.1 2446249 1985-07-02 2446262 1985-07-15 -13 AAVSO
16 7.8 2446416 1985-12-16 2446428 1985-12-28 -12 SVO
17 8.8 2446579 1986-05-28 2446594 1986-06-12 -15 AAVSO
18 8.0 2446746 1986-11-11 2446760 1986-11-25 -14 SVO
19 9.8 2446911 1987-04-25 2446927 1987-05-11 -16 AAVSO
20 8.1 2447077 1987-10-08 2447093 1987-10-24 -16 SVO
21   2447239 1988-03-18 2447259 1988-04-07 -20 AAVSO
22 7.7 2447413 1988-09-08 2447425 1988-09-20 -12 SVO
23   2447576 1989-02-18 2447592 1989-03-06 -16 AAVSO
24   2447742 1989-08-03 2447758 1989-08-19 -16 AAVSO
25 8.2 2447912 1990-01-20 2447924 1990-02-01 -12 SVO
26   2448076 1990-07-03 2448090 1990-07-17 -14 AAVSO
27 8.2 2448244 1990-12-18 2448256 1990-12-30 -12 SVO
28   2448404 1991-05-27 2448423 1991-06-15 -19 AAVSO
29 7.4 2448567 1991-11-06 2448589 1991-11-28 -22 SVO
30   2448738 1992-04-25 2448755 1992-05-12 -17 AAVSO
31 8.1 2448908 1992-10-12 2448921 1992-10-25 -13 SVO
32   2449079 1993-04-01 2449088 1993-04-10 -9 AAVSO
33 7.8 2449240 1993-09-09 2449254 1993-09-23 -14 SVO
34   2449406 1994-02-22 2449420 1994-03-08 -14 AAVSO
35 8.2 2449573 1994-08-08 2449586 1994-08-21 -13 SVO
36 8.0 2449742 1995-01-24 2449753 1995-02-04 -11 SVO
37   2449907 1995-07-08 2449919 1995-07-20 -12 AAVSO
38 7.5 2450071 1995-12-19 2450085 1996-01-02 -14 SVO
39   2450234 1996-05-30 2450251 1996-06-16 -17 AAVSO
40 8.3 2450414 1996-11-26 2450418 1996-11-30 -4 SVO
41   2450578 1997-05-09 2450584 1997-05-15 -6 AAVSO
42 8.0 2450743 1997-10-21 2450750 1997-10-28 -7 SVO
43   2450918 1998-04-14 2450916 1998-04-12 2 AAVSO
44 8.1 2451082 1998-09-25 2451083 1998-09-26 -1 SVO
45   2451246 1999-03-08 2451249 1999-03-11 -3 AAVSO
46 7.7 2451410 1999-08-19 2451415 1999-08-24 -5 SVO
47 8.0 2451581 2000-02-06 2451581 2000-02-06 0 SVO
48   2451748 2000-07-22 2451748 2000-07-22 0 AAVSO
49 7.9 2451917 2001-01-07 2451914 2001-01-04 3 SVO
50   2452082 2001-06-21 2452080 2001-06-19 2 AAVSO
51 7.9 2452249 2001-12-05 2452246 2001-12-02 3 SVO
52   2452417 2002-05-22 2452412 2002-05-17 5 AAVSO
53 7.8 2452580 2002-11-01 2452579 2002-10-31 1 SVO
54   2452744 2003-04-14 2452745 2003-04-15 -1 AAVSO
55 8.1 2452906 2003-09-23 2452911 2003-09-28 -5 SVO
56   2453075 2004-03-10 2453077 2004-03-12 -2 AAVSO
57 8.0 2453245 2004-08-27 2453244 2004-08-26 1 SVO
58 7.4 2453405 2005-02-03 2453410 2005-02-08 -5 SVO
59   2453573 2005-07-21 2453576 2005-07-24 -3 AAVSO
60 8.1 2453746 2006-01-10 2453742 2006-01-06 4 SVO
61   2453913 2006-06-26 2453909 2006-06-22 4 AAVSO
62 8.8 2454080 2006-12-10 2454075 2006-12-05 5 SVO
63   2454260 2007-06-08 2454241 2007-05-20 19 AAVSO
64 8.3 2454410 2007-11-05 2454407 2007-11-02 3 SVO
65   2454586 2008-04-29 2454574 2008-04-17 12 AAVSO
66 7.9 2454741 2008-10-01 2454740 2008-09-30 1 SVO
67 7.7 2454900 2009-03-09 2454906 2009-03-15 -6 AAVSO
68 8.1 2455076 2009-09-01 2455072 2009-08-28 4 SVO
69 7.6 2455241 2010-02-13 2455239 2010-02-11 2 SVO
70 7.7 2455400 2010-07-22 2455405 2010-07-27 -5 SVO
71 8.0 2455576 2011-01-14 2455571 2011-01-09 5 SVO
72 8.3 2455737 2011-06-24 2455737 2011-06-24 0 AAVSO
73 7.9 2455909 2011-12-13 2455904 2011-12-08 5 SVO
74   2456068 2012-05-20 2456070 2012-05-22 -2 AAVSO
75 7.9 2456240 2012-11-08 2456236 2012-11-04 4 SVO
76   2456412 2013-04-29 2456402 2013-04-19 10 AAVSO
77 8.6 2456581 2013-10-15 2456568 2013-10-02 13 SVO
78 8.2 2456735 2014-03-18 2456735 2014-03-18 0 AAVSO
79 8.0 2456910 2014-09-09 2456901 2014-08-31 9 SVO
80 7.4 2457072 2015-02-18 2457067 2015-02-13 5 SVO
81 8.9 2457238 2015-08-03 2457233 2015-07-29 5 AAVSO
82 8.8 2457408 2016-01-20 2457400 2016-01-12 8 SVO
83 8.2 2457571 2016-07-01 2457566 2016-06-26 5 AAVSO
84 8.0 2457734 2016-12-11 2457732 2016-12-09 2 SVO
85   2457900 2017-05-26 2457898 2017-05-24 2 AAVSO
86 8.0 2458074 2017-11-16 2458065 2017-11-07 9 SVO
88 7.9 2458405 2018-10-13 2458397 2018-10-05 8 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.