Maxima for X Cet
Period: 176, Epoch: 2452995
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-229   2412500 1893-02-05 2412691 1893-08-15 -191 SVO
-227   2412850 1894-01-21 2413043 1894-08-02 -193 SVO
-226   2413030 1894-07-20 2413219 1895-01-25 -189 SVO
-224   2413410 1895-08-04 2413571 1896-01-12 -161 SVO
-221   2413963 1897-02-07 2414099 1897-06-23 -136 AnHar, 1909, vol 55, p 95
-219   2414320 1898-01-30 2414451 1898-06-10 -131 AnHar, 1909, vol 55, p 95
-217   2414667 1899-01-12 2414803 1899-05-28 -136 AnHar, 1909, vol 55, p 95
-215   2415015 1899-12-26 2415155 1900-05-15 -140 SVO
-213   2415373 1900-12-19 2415507 1901-05-02 -134 AnHar, 1909, vol 55, p 95
-211   2415730 1901-12-11 2415859 1902-04-19 -129 AnHar, 1909, vol 55, p 95
-209   2416079 1902-11-25 2416211 1903-04-06 -132 SVO
-207   2416433 1903-11-14 2416563 1904-03-23 -130 SVO
-206   2416582 1904-04-11 2416739 1904-09-15 -157 AAVSO
-205 8.3 2416781 1904-10-27 2416915 1905-03-10 -134 AAVSO
-204   2416955 1905-04-19 2417091 1905-09-02 -136 AAVSO
-203 9.0 2417126 1905-10-07 2417267 1906-02-25 -141 AAVSO
-201   2417486 1906-10-02 2417619 1907-02-12 -133 SVO
-200 8.7 2417655 1907-03-20 2417795 1907-08-07 -140 AAVSO
-199   2417831 1907-09-12 2417971 1908-01-30 -140 AAVSO
-198 9.0 2418011 1908-03-10 2418147 1908-07-24 -136 AAVSO
-197   2418183 1908-08-29 2418323 1909-01-16 -140 SVO
-196 8.8 2418381 1909-03-15 2418499 1909-07-11 -118 AAVSO
-195   2418543 1909-08-24 2418675 1910-01-03 -132 AAVSO
-194 8.6 2418729 1910-02-26 2418851 1910-06-28 -122 AAVSO
-193   2418897 1910-08-13 2419027 1910-12-21 -130 AAVSO
-192 8.9 2419074 1911-02-06 2419203 1911-06-15 -129 AAVSO
-190 9.1 2419411 1912-01-09 2419555 1912-06-01 -144 SVO
-188 8.9 2419774 1913-01-06 2419907 1913-05-19 -133 AAVSO
-187   2419947 1913-06-28 2420083 1913-11-11 -136 AAVSO
-186 9.1 2420135 1914-01-02 2420259 1914-05-06 -124 AAVSO
-184   2420473 1914-12-06 2420611 1915-04-23 -138 SVO
-182 8.3 2420825 1915-11-23 2420963 1916-04-09 -138 AAVSO
-181   2421003 1916-05-19 2421139 1916-10-02 -136 AAVSO
-180 9.0 2421181 1916-11-13 2421315 1917-03-27 -134 SVO
-179   2421349 1917-04-30 2421491 1917-09-19 -142 AAVSO
-178 9.2 2421531 1917-10-29 2421667 1918-03-14 -136 AAVSO
-177 9.0 2421701 1918-04-17 2421843 1918-09-06 -142 AAVSO
-176 8.5 2421875 1918-10-08 2422019 1919-03-01 -144 AAVSO
-175   2422048 1919-03-30 2422195 1919-08-24 -147 AAVSO
-174 8.9 2422231 1919-09-29 2422371 1920-02-16 -140 AAVSO
-173 8.8 2422395 1920-03-11 2422547 1920-08-10 -152 AAVSO
-172 9.0 2422573 1920-09-05 2422723 1921-02-02 -150 AAVSO
-171 8.9 2422743 1921-02-22 2422899 1921-07-28 -156 AAVSO
-170 8.9 2422916 1921-08-14 2423075 1922-01-20 -159 AAVSO
-169 8.7 2423101 1922-02-15 2423251 1922-07-15 -150 SVO
-168 8.9 2423271 1922-08-04 2423427 1923-01-07 -156 AAVSO
-167 8.9 2423458 1923-02-07 2423603 1923-07-02 -145 SVO
-166 8.9 2423637 1923-08-05 2423779 1923-12-25 -142 AAVSO
-165 8.7 2423810 1924-01-25 2423955 1924-06-18 -145 SVO
-164   2423983 1924-07-16 2424131 1924-12-11 -148 AAVSO
-163 8.6 2424166 1925-01-15 2424307 1925-06-05 -141 SVO
-162   2424343 1925-07-11 2424483 1925-11-28 -140 AAVSO
-161 9.0 2424532 1926-01-16 2424659 1926-05-23 -127 SVO
-160 9.0 2424708 1926-07-11 2424835 1926-11-15 -127 AAVSO
-159 8.9 2424883 1927-01-02 2425011 1927-05-10 -128 AAVSO
-158   2425064 1927-07-02 2425187 1927-11-02 -123 AAVSO
-157 8.9 2425246 1927-12-31 2425363 1928-04-26 -117 SVO
-156   2425420 1928-06-22 2425539 1928-10-19 -119 AAVSO
-155 8.7 2425595 1928-12-14 2425715 1929-04-13 -120 SVO
-154   2425763 1929-05-31 2425891 1929-10-06 -128 AAVSO
-153 8.6 2425948 1929-12-02 2426067 1930-03-31 -119 SVO
-152   2426126 1930-05-29 2426243 1930-09-23 -117 AAVSO
-151 8.7 2426304 1930-11-23 2426419 1931-03-18 -115 SVO
-150   2426482 1931-05-20 2426595 1931-09-10 -113 AAVSO
-149 8.8 2426661 1931-11-15 2426771 1932-03-04 -110 SVO
-148   2426840 1932-05-12 2426947 1932-08-27 -107 AAVSO
-147 9.0 2427033 1932-11-21 2427123 1933-02-19 -90 SVO
-146   2427206 1933-05-13 2427299 1933-08-14 -93 AAVSO
-145 8.8 2427384 1933-11-07 2427475 1934-02-06 -91 SVO
-144   2427556 1934-04-28 2427651 1934-08-01 -95 AAVSO
-143 8.8 2427745 1934-11-03 2427827 1935-01-24 -82 SVO
-142   2427927 1935-05-04 2428003 1935-07-19 -76 AAVSO
-141 8.7 2428120 1935-11-13 2428179 1936-01-11 -59 SVO
-140 8.7 2428283 1936-04-24 2428355 1936-07-05 -72 AAVSO
-139 9.0 2428465 1936-10-23 2428531 1936-12-28 -66 SVO
-138   2428633 1937-04-09 2428707 1937-06-22 -74 AAVSO
-137 9.0 2428826 1937-10-19 2428883 1937-12-15 -57 SVO
-136   2429000 1938-04-11 2429059 1938-06-09 -59 AAVSO
-135 9.5 2429175 1938-10-03 2429235 1938-12-02 -60 SVO
-134 9.1 2429353 1939-03-30 2429411 1939-05-27 -58 AAVSO
-133 9.1 2429537 1939-09-30 2429587 1939-11-19 -50 SVO
-132 8.8 2429707 1940-03-18 2429763 1940-05-13 -56 AAVSO
-131 8.9 2429885 1940-09-12 2429939 1940-11-05 -54 SVO
-130 9.1 2430053 1941-02-27 2430115 1941-04-30 -62 AAVSO
-129 9.2 2430245 1941-09-07 2430291 1941-10-23 -46 SVO
-128 8.9 2430412 1942-02-21 2430467 1942-04-17 -55 AAVSO
-127 8.9 2430596 1942-08-24 2430643 1942-10-10 -47 AAVSO
-126 9.0 2430780 1943-02-24 2430819 1943-04-04 -39 AAVSO
-125 8.9 2430953 1943-08-16 2430995 1943-09-27 -42 AAVSO
-124 9.0 2431113 1944-01-23 2431171 1944-03-21 -58 SVO
-123   2431295 1944-07-23 2431347 1944-09-13 -52 AAVSO
-122 8.9 2431467 1945-01-11 2431523 1945-03-08 -56 SVO
-121   2431655 1945-07-18 2431699 1945-08-31 -44 AAVSO
-120 9.1 2431819 1945-12-29 2431875 1946-02-23 -56 SVO
-118 8.8 2432175 1946-12-20 2432227 1947-02-10 -52 SVO
-116 9.1 2432533 1947-12-13 2432579 1948-01-28 -46 SVO
-114 8.8 2432873 1948-11-17 2432931 1949-01-14 -58 AAVSO
-113   2433063 1949-05-26 2433107 1949-07-09 -44 AAVSO
-112 8.9 2433236 1949-11-15 2433283 1950-01-01 -47 SVO
-111   2433422 1950-05-20 2433459 1950-06-26 -37 AAVSO
-110 9.1 2433604 1950-11-18 2433635 1950-12-19 -31 SVO
-109   2433784 1951-05-17 2433811 1951-06-13 -27 AAVSO
-108 9.2 2433956 1951-11-05 2433987 1951-12-06 -31 SVO
-107   2434128 1952-04-25 2434163 1952-05-30 -35 AAVSO
-106 8.9 2434311 1952-10-25 2434339 1952-11-22 -28 SVO
-105   2434485 1953-04-17 2434515 1953-05-17 -30 AAVSO
-104 8.8 2434674 1953-10-23 2434691 1953-11-09 -17 AAVSO
-103   2434853 1954-04-20 2434867 1954-05-04 -14 AAVSO
-102 9.1 2435039 1954-10-23 2435043 1954-10-27 -4 AAVSO
-101   2435219 1955-04-21 2435219 1955-04-21 0 AAVSO
-100 8.9 2435393 1955-10-12 2435395 1955-10-14 -2 AAVSO
-99 8.9 2435572 1956-04-08 2435571 1956-04-07 1 AAVSO
-98 8.9 2435740 1956-09-23 2435747 1956-09-30 -7 AAVSO
-97 9.1 2435925 1957-03-27 2435923 1957-03-25 2 AAVSO
-96 8.8 2436092 1957-09-10 2436099 1957-09-17 -7 AAVSO
-95 8.6 2436268 1958-03-05 2436275 1958-03-12 -7 AAVSO
-94 9.1 2436448 1958-09-01 2436451 1958-09-04 -3 AAVSO
-93 9.0 2436629 1959-03-01 2436627 1959-02-27 2 AAVSO
-92 8.9 2436806 1959-08-25 2436803 1959-08-22 3 AAVSO
-91 8.9 2436985 1960-02-20 2436979 1960-02-14 6 AAVSO
-90 9.0 2437174 1960-08-27 2437155 1960-08-08 19 AAVSO
-89 9.3 2437352 1961-02-21 2437331 1961-01-31 21 AAVSO
-88 9.1 2437533 1961-08-21 2437507 1961-07-26 26 AAVSO
-87 8.9 2437696 1962-01-31 2437683 1962-01-18 13 SVO
-86 9.4 2437879 1962-08-02 2437859 1962-07-13 20 AAVSO
-85 8.8 2438061 1963-01-31 2438035 1963-01-05 26 SVO
-84   2438240 1963-07-29 2438211 1963-06-30 29 AAVSO
-83 8.9 2438427 1964-02-01 2438387 1963-12-23 40 SVO
-82 8.7 2438601 1964-07-24 2438563 1964-06-16 38 AAVSO
-81 8.8 2438785 1965-01-24 2438739 1964-12-09 46 SVO
-80   2438955 1965-07-13 2438915 1965-06-03 40 AAVSO
-79 8.9 2439127 1966-01-01 2439091 1965-11-26 36 SVO
-78 9.2 2439308 1966-07-01 2439267 1966-05-21 41 AAVSO
-77 8.8 2439484 1966-12-24 2439443 1966-11-13 41 SVO
-76   2439661 1967-06-19 2439619 1967-05-08 42 AAVSO
-75 8.8 2439840 1967-12-15 2439795 1967-10-31 45 SVO
-74   2440014 1968-06-06 2439971 1968-04-24 43 AAVSO
-73 8.6 2440191 1968-11-30 2440147 1968-10-17 44 SVO
-72   2440371 1969-05-29 2440323 1969-04-11 48 AAVSO
-71 8.8 2440542 1969-11-16 2440499 1969-10-04 43 SVO
-70   2440729 1970-05-22 2440675 1970-03-29 54 AAVSO
-69 8.9 2440907 1970-11-16 2440851 1970-09-21 56 SVO
-68   2441084 1971-05-12 2441027 1971-03-16 57 AAVSO
-67 8.9 2441266 1971-11-10 2441203 1971-09-08 63 SVO
-66 8.0 2441442 1972-05-04 2441379 1972-03-02 63 AAVSO
-65 9.1 2441613 1972-10-22 2441555 1972-08-25 58 SVO
-64 8.9 2441794 1973-04-21 2441731 1973-02-17 63 AAVSO
-63 8.6 2441961 1973-10-05 2441907 1973-08-12 54 SVO
-62 8.8 2442143 1974-04-05 2442083 1974-02-04 60 AAVSO
-61 9.0 2442315 1974-09-24 2442259 1974-07-30 56 SVO
-60 8.7 2442499 1975-03-27 2442435 1975-01-22 64 AAVSO
-59 8.9 2442672 1975-09-16 2442611 1975-07-17 61 AAVSO
-58 8.7 2442851 1976-03-13 2442787 1976-01-09 64 AAVSO
-57 8.9 2443026 1976-09-04 2442963 1976-07-03 63 AAVSO
-56 8.9 2443206 1977-03-03 2443139 1976-12-26 67 AAVSO
-55 8.6 2443379 1977-08-23 2443315 1977-06-20 64 AAVSO
-54 9.2 2443550 1978-02-10 2443491 1977-12-13 59 SVO
-53 8.8 2443731 1978-08-10 2443667 1978-06-07 64 AAVSO
-52 8.8 2443900 1979-01-26 2443843 1978-11-30 57 SVO
-51 8.9 2444078 1979-07-23 2444019 1979-05-25 59 AAVSO
-50 8.7 2444252 1980-01-13 2444195 1979-11-17 57 SVO
-49 9.1 2444423 1980-07-02 2444371 1980-05-11 52 AAVSO
-48 8.7 2444606 1981-01-01 2444547 1980-11-03 59 SVO
-47 9.2 2444779 1981-06-23 2444723 1981-04-28 56 AAVSO
-46 8.8 2444958 1981-12-19 2444899 1981-10-21 59 SVO
-45   2445133 1982-06-12 2445075 1982-04-15 58 AAVSO
-44 8.7 2445309 1982-12-05 2445251 1982-10-08 58 SVO
-43   2445495 1983-06-09 2445427 1983-04-02 68 AAVSO
-42 8.7 2445670 1983-12-01 2445603 1983-09-25 67 SVO
-41   2445851 1984-05-30 2445779 1984-03-19 72 AAVSO
-40 9.0 2446035 1984-11-30 2445955 1984-09-11 80 SVO
-39   2446216 1985-05-30 2446131 1985-03-06 85 AAVSO
-38 8.8 2446394 1985-11-24 2446307 1985-08-29 87 SVO
-37   2446573 1986-05-22 2446483 1986-02-21 90 AAVSO
-36 8.9 2446750 1986-11-15 2446659 1986-08-16 91 SVO
-35 9.0 2446930 1987-05-14 2446835 1987-02-08 95 AAVSO
-34 8.8 2447104 1987-11-04 2447011 1987-08-03 93 SVO
-33   2447288 1988-05-06 2447187 1988-01-26 101 AAVSO
-32 8.7 2447477 1988-11-11 2447363 1988-07-20 114 SVO
-31   2447653 1989-05-06 2447539 1989-01-12 114 AAVSO
-30 8.8 2447827 1989-10-27 2447715 1989-07-07 112 SVO
-29   2448001 1990-04-19 2447891 1989-12-30 110 AAVSO
-28 9.3 2448196 1990-10-31 2448067 1990-06-24 129 SVO
-27   2448384 1991-05-07 2448243 1990-12-17 141 AAVSO
-26 8.7 2448558 1991-10-28 2448419 1991-06-11 139 SVO
-25   2448738 1992-04-25 2448595 1991-12-04 143 AAVSO
-24 9.0 2448913 1992-10-17 2448771 1992-05-28 142 SVO
-23   2449095 1993-04-17 2448947 1992-11-20 148 AAVSO
-22 8.8 2449266 1993-10-05 2449123 1993-05-15 143 SVO
-21   2449445 1994-04-02 2449299 1993-11-07 146 AAVSO
-20 8.7 2449619 1994-09-23 2449475 1994-05-02 144 SVO
-19   2449801 1995-03-24 2449651 1994-10-25 150 AAVSO
-18 9.0 2449984 1995-09-23 2449827 1995-04-19 157 SVO
-17   2450155 1996-03-12 2450003 1995-10-12 152 AAVSO
-16 8.5 2450334 1996-09-07 2450179 1996-04-05 155 SVO
-15   2450508 1997-02-28 2450355 1996-09-28 153 AAVSO
-14 8.8 2450675 1997-08-14 2450531 1997-03-23 144 SVO
-13 8.8 2450855 1998-02-10 2450707 1997-09-15 148 SVO
-12   2451027 1998-08-01 2450883 1998-03-10 144 AAVSO
-11 9.3 2451220 1999-02-10 2451059 1998-09-02 161 SVO
-10   2451396 1999-08-05 2451235 1999-02-25 161 AAVSO
-9 8.9 2451576 2000-02-01 2451411 1999-08-20 165 SVO
-8   2451755 2000-07-29 2451587 2000-02-12 168 AAVSO
-7 8.8 2451926 2001-01-16 2451763 2000-08-06 163 SVO
-6   2452101 2001-07-10 2451939 2001-01-29 162 AAVSO
-5 8.9 2452281 2002-01-06 2452115 2001-07-24 166 SVO
-4   2452459 2002-07-03 2452291 2002-01-16 168 AAVSO
-3 9.0 2452637 2002-12-28 2452467 2002-07-11 170 SVO
-2   2452813 2003-06-22 2452643 2003-01-03 170 AAVSO
-1 9.0 2452998 2003-12-24 2452819 2003-06-28 179 SVO
0   2453181 2004-06-24 2452995 2003-12-21 186 AAVSO
1 8.7 2453345 2004-12-05 2453171 2004-06-14 174 SVO
2   2453519 2005-05-28 2453347 2004-12-07 172 AAVSO
3 9.1 2453702 2005-11-27 2453523 2005-06-01 179 SVO
4   2453889 2006-06-02 2453699 2005-11-24 190 AAVSO
5 8.7 2454049 2006-11-09 2453875 2006-05-19 174 SVO
6   2454235 2007-05-14 2454051 2006-11-11 184 AAVSO
7 9.0 2454394 2007-10-20 2454227 2007-05-06 167 SVO
8   2454564 2008-04-07 2454403 2007-10-29 161 AAVSO
9 8.8 2454744 2008-10-04 2454579 2008-04-22 165 SVO
10 9.4 2454918 2009-03-27 2454755 2008-10-15 163 AAVSO
11 8.8 2455082 2009-09-07 2454931 2009-04-09 151 SVO
12 9.5 2455259 2010-03-03 2455107 2009-10-02 152 AAVSO
13 9.1 2455437 2010-08-28 2455283 2010-03-27 154 AAVSO
14 9.0 2455603 2011-02-10 2455459 2010-09-19 144 SVO
15 9.1 2455780 2011-08-06 2455635 2011-03-14 145 AAVSO
16 9.1 2455952 2012-01-25 2455811 2011-09-06 141 SVO
17 9.2 2456134 2012-07-25 2455987 2012-02-29 147 AAVSO
18 9.0 2456305 2013-01-12 2456163 2012-08-23 142 SVO
19 9.3 2456486 2013-07-12 2456339 2013-02-15 147 AAVSO
20 9.1 2456655 2013-12-28 2456515 2013-08-10 140 SVO
21 9.2 2456835 2014-06-26 2456691 2014-02-02 144 AAVSO
22 8.9 2457011 2014-12-19 2456867 2014-07-28 144 SVO
23   2457187 2015-06-13 2457043 2015-01-20 144 AAVSO
24 9.2 2457366 2015-12-09 2457219 2015-07-15 147 SVO
25   2457548 2016-06-08 2457395 2016-01-07 153 AAVSO
26 9.0 2457724 2016-12-01 2457571 2016-07-01 153 SVO
27   2457901 2017-05-27 2457747 2016-12-24 154 AAVSO
28 9.2 2458072 2017-11-14 2457923 2017-06-18 149 SVO
29   2458250 2018-05-11 2458099 2017-12-11 151 SVO
30 9.3 2458436 2018-11-13 2458275 2018-06-05 161 SVO
31   2458605 2019-05-01 2458451 2018-11-28 154 SVO
32 9.2 2458780 2019-10-23 2458627 2019-05-23 153 SVO
33   2458970 2020-04-30 2458803 2019-11-15 167 SVO
34 8.8 2459134 2020-10-11 2458979 2020-05-09 155 SVO
35   2459305 2021-03-31 2459155 2020-11-01 150 SVO
36 9.0 2459486 2021-09-28 2459331 2021-04-26 155 SVO
37   2459655 2022-03-16 2459507 2021-10-19 148 SVO
38 8.8 2459834 2022-09-11 2459683 2022-04-13 151 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.