Maxima for X Cap
Period: 218.95, Epoch: 2452471
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-204   2407989 1880-09-30 2407805 1880-03-30 184 AnHar, 1909, vol 55, p 95
-196   2409750 1885-07-27 2409557 1885-01-15 193 AnHar, 1909, vol 55, p 95
-194   2410165 1886-09-15 2409995 1886-03-29 170 AnHar, 1909, vol 55, p 95
-187   2411720 1890-12-18 2411527 1890-06-08 193 SVO
-182   2412802 1893-12-04 2412622 1893-06-07 180 AnHar, 1909, vol 55, p 95
-179   2413449 1895-09-12 2413279 1895-03-26 170 AnHar, 1909, vol 55, p 95
-177   2413888 1896-11-24 2413717 1896-06-06 171 AnHar, 1909, vol 55, p 95
-174   2414549 1898-09-16 2414374 1898-03-25 175 GuL, 1920, 1.2
-172   2414973 1899-11-14 2414812 1899-06-06 161 GuL, 1920, 1.2
-164   2416711 1904-08-18 2416563 1904-03-23 148 GuL, 1920, 1.2
-162   2417160 1905-11-10 2417001 1905-06-04 159 SVO
-157   2418253 1908-11-07 2418096 1908-06-03 157 AnHar, 1909, vol 55, p 95
-156   2418470 1909-06-12 2418315 1909-01-08 155 SVO
-144   2421100 1916-08-24 2420942 1916-03-19 158 SVO
-137 10.5 2422621 1920-10-23 2422475 1920-05-30 146 SVO
-135   2423055 1921-12-31 2422913 1921-08-11 142 AAVSO
-134 10.4 2423271 1922-08-04 2423132 1922-03-18 139 AAVSO
-133   2423480 1923-03-01 2423351 1922-10-23 129 AAVSO
-132 10.9 2423714 1923-10-21 2423570 1923-05-30 144 AAVSO
-131 11.5 2423943 1924-06-06 2423789 1924-01-04 154 AAVSO
-130   2424145 1924-12-25 2424008 1924-08-10 137 AAVSO
-129 11.2 2424364 1925-08-01 2424226 1925-03-16 138 AAVSO
-128   2424589 1926-03-14 2424445 1925-10-21 144 AAVSO
-127 11.5 2424794 1926-10-05 2424664 1926-05-28 130 AAVSO
-126   2425017 1927-05-16 2424883 1927-01-02 134 AAVSO
-125   2425235 1927-12-20 2425102 1927-08-09 133 AAVSO
-124   2425453 1928-07-25 2425321 1928-03-15 132 AAVSO
-123 10.6 2425673 1929-03-02 2425540 1928-10-20 133 AAVSO
-122 11.3 2425894 1929-10-09 2425759 1929-05-27 135 AAVSO
-121   2426101 1930-05-04 2425978 1930-01-01 123 AAVSO
-120 10.6 2426310 1930-11-29 2426197 1930-08-08 113 AAVSO
-119 11.0 2426529 1931-07-06 2426416 1931-03-15 113 AAVSO
-117 11.4 2426964 1932-09-13 2426854 1932-05-26 110 AAVSO
-116 11.4 2427201 1933-05-08 2427073 1932-12-31 128 AAVSO
-115 11.4 2427415 1933-12-08 2427292 1933-08-07 123 AAVSO
-114 10.6 2427626 1934-07-07 2427511 1934-03-14 115 AAVSO
-112 10.4 2428056 1935-09-10 2427949 1935-05-26 107 AAVSO
-110 11.1 2428497 1936-11-24 2428387 1936-08-06 110 AAVSO
-109 11.5 2428715 1937-06-30 2428605 1937-03-12 110 AAVSO
-107 11.8 2429165 1938-09-23 2429043 1938-05-24 122 AAVSO
-106 11.4 2429388 1939-05-04 2429262 1938-12-29 126 AAVSO
-105   2429595 1939-11-27 2429481 1939-08-05 114 AAVSO
-104 10.6 2429809 1940-06-28 2429700 1940-03-11 109 AAVSO
-102   2430239 1941-09-01 2430138 1941-05-23 101 AAVSO
-100 10.6 2430672 1942-11-08 2430576 1942-08-04 96 SVO
-99   2430890 1943-06-14 2430795 1943-03-11 95 SVO
-97   2431325 1944-08-22 2431233 1944-05-22 92 AAVSO
-96   2431550 1945-04-04 2431452 1944-12-27 98 SVO
-94   2431989 1946-06-17 2431890 1946-03-10 99 SVO
-92 11.2 2432426 1947-08-28 2432328 1947-05-22 98 AAVSO
-91 10.8 2432661 1948-04-19 2432547 1947-12-27 114 AAVSO
-90 10.7 2432879 1948-11-23 2432766 1948-08-02 113 AAVSO
-89 11.3 2433090 1949-06-22 2432984 1949-03-08 106 AAVSO
-88   2433312 1950-01-30 2433203 1949-10-13 109 AAVSO
-87 11.4 2433538 1950-09-13 2433422 1950-05-20 116 SVO
-86 10.8 2433746 1951-04-09 2433641 1950-12-25 105 AAVSO
-85 11.3 2433964 1951-11-13 2433860 1951-08-01 104 AAVSO
-84 11.0 2434185 1952-06-21 2434079 1952-03-07 106 AAVSO
-83   2434402 1953-01-24 2434298 1952-10-12 104 AAVSO
-82 11.8 2434625 1953-09-04 2434517 1953-05-19 108 AAVSO
-81 11.2 2434844 1954-04-11 2434736 1953-12-24 108 AAVSO
-80 11.3 2435057 1954-11-10 2434955 1954-07-31 102 AAVSO
-79 10.9 2435274 1955-06-15 2435174 1955-03-07 100 SVO
-78   2435500 1956-01-27 2435393 1955-10-12 107 AAVSO
-77 10.9 2435711 1956-08-25 2435612 1956-05-18 99 SVO
-76 11.4 2435929 1957-03-31 2435831 1956-12-23 98 AAVSO
-75 11.5 2436148 1957-11-05 2436050 1957-07-30 98 SVO
-74 12.0 2436370 1958-06-15 2436269 1958-03-06 101 AAVSO
-73   2436586 1959-01-17 2436488 1958-10-11 98 AAVSO
-72 11.5 2436805 1959-08-24 2436707 1959-05-18 98 AAVSO
-71 10.7 2437024 1960-03-30 2436926 1959-12-23 98 AAVSO
-70 11.0 2437245 1960-11-06 2437145 1960-07-29 100 SVO
-69 12.2 2437460 1961-06-09 2437363 1961-03-04 97 AAVSO
-68   2437680 1962-01-15 2437582 1961-10-09 98 AAVSO
-67 11.1 2437892 1962-08-15 2437801 1962-05-16 91 AAVSO
-66 10.5 2438112 1963-03-23 2438020 1962-12-21 92 AAVSO
-65 10.9 2438326 1963-10-23 2438239 1963-07-28 87 SVO
-64 11.0 2438546 1964-05-30 2438458 1964-03-03 88 AAVSO
-63   2438765 1965-01-04 2438677 1964-10-08 88 AAVSO
-62 11.4 2438979 1965-08-06 2438896 1965-05-15 83 AAVSO
-61 10.8 2439201 1966-03-16 2439115 1965-12-20 86 AAVSO
-60 11.6 2439417 1966-10-18 2439334 1966-07-27 83 AAVSO
-59 11.3 2439636 1967-05-25 2439553 1967-03-03 83 AAVSO
-58   2439855 1967-12-30 2439772 1967-10-08 83 AAVSO
-57 10.6 2440080 1968-08-11 2439991 1968-05-14 89 AAVSO
-56   2440297 1969-03-16 2440210 1968-12-19 87 AAVSO
-55 11.1 2440506 1969-10-11 2440429 1969-07-26 77 SVO
-54   2440718 1970-05-11 2440648 1970-03-02 70 AAVSO
-53   2440937 1970-12-16 2440867 1970-10-07 70 AAVSO
-52 11.2 2441163 1971-07-30 2441086 1971-05-14 77 AAVSO
-51   2441381 1972-03-04 2441305 1971-12-19 76 AAVSO
-50 11.4 2441595 1972-10-04 2441524 1972-07-25 71 AAVSO
-49   2441815 1973-05-12 2441742 1973-02-28 73 AAVSO
-48   2442034 1973-12-17 2441961 1973-10-05 73 AAVSO
-47 11.1 2442247 1974-07-18 2442180 1974-05-12 67 SVO
-46   2442462 1975-02-18 2442399 1974-12-17 63 AAVSO
-45 11.4 2442694 1975-10-08 2442618 1975-07-24 76 SVO
-44 11.6 2442911 1976-05-12 2442837 1976-02-28 74 AAVSO
-43 11.4 2443123 1976-12-10 2443056 1976-10-04 67 AAVSO
-42 11.0 2443341 1977-07-16 2443275 1977-05-11 66 AAVSO
-41   2443562 1978-02-22 2443494 1977-12-16 68 AAVSO
-40 11.0 2443776 1978-09-24 2443713 1978-07-23 63 SVO
-39   2443997 1979-05-03 2443932 1979-02-27 65 AAVSO
-38 11.7 2444216 1979-12-08 2444151 1979-10-04 65 AAVSO
-37 10.9 2444432 1980-07-11 2444370 1980-05-10 62 AAVSO
-36   2444646 1981-02-10 2444589 1980-12-15 57 AAVSO
-35 11.2 2444860 1981-09-12 2444808 1981-07-22 52 SVO
-34 12.0 2445081 1982-04-21 2445027 1982-02-26 54 AAVSO
-33 11.0 2445290 1982-11-16 2445246 1982-10-03 44 AAVSO
-32 11.2 2445505 1983-06-19 2445465 1983-05-10 40 AAVSO
-31 11.6 2445735 1984-02-04 2445684 1983-12-15 51 AAVSO
-30 11.3 2445939 1984-08-26 2445903 1984-07-21 36 SVO
-29 10.7 2446155 1985-03-30 2446121 1985-02-24 34 AAVSO
-28 11.1 2446380 1985-11-10 2446340 1985-10-01 40 SVO
-27 11.1 2446588 1986-06-06 2446559 1986-05-08 29 SVO
-26   2446817 1987-01-21 2446778 1986-12-13 39 AAVSO
-25 11.0 2447037 1987-08-29 2446997 1987-07-20 40 SVO
-24   2447256 1988-04-04 2447216 1988-02-24 40 AAVSO
-23 10.4 2447468 1988-11-02 2447435 1988-09-30 33 SVO
-22   2447679 1989-06-01 2447654 1989-05-07 25 AAVSO
-21   2447901 1990-01-09 2447873 1989-12-12 28 AAVSO
-20 11.1 2448117 1990-08-13 2448092 1990-07-19 25 SVO
-19   2448338 1991-03-22 2448311 1991-02-23 27 AAVSO
-18   2448554 1991-10-24 2448530 1991-09-30 24 AAVSO
-17   2448772 1992-05-29 2448749 1992-05-06 23 AAVSO
-16   2448990 1993-01-02 2448968 1992-12-11 22 AAVSO
-15 11.2 2449208 1993-08-08 2449187 1993-07-18 21 SVO
-14   2449428 1994-03-16 2449406 1994-02-22 22 AAVSO
-13 10.8 2449636 1994-10-10 2449625 1994-09-29 11 SVO
-12   2449857 1995-05-19 2449844 1995-05-06 13 AAVSO
-11   2450077 1995-12-25 2450063 1995-12-11 14 AAVSO
-10 11.3 2450300 1996-08-04 2450282 1996-07-17 18 SVO
-9   2450526 1997-03-18 2450500 1997-02-20 26 AAVSO
-8 11.4 2450736 1997-10-14 2450719 1997-09-27 17 SVO
-7   2450954 1998-05-20 2450938 1998-05-04 16 AAVSO
-6   2451173 1998-12-25 2451157 1998-12-09 16 AAVSO
-5 11.2 2451381 1999-07-21 2451376 1999-07-16 5 SVO
-4   2451594 2000-02-19 2451595 2000-02-20 -1 AAVSO
-3 10.9 2451814 2000-09-26 2451814 2000-09-26 0 SVO
-2   2452027 2001-04-27 2452033 2001-05-03 -6 AAVSO
-1   2452247 2001-12-03 2452252 2001-12-08 -5 AAVSO
0 10.7 2452469 2002-07-13 2452471 2002-07-15 -2 SVO
1   2452697 2003-02-26 2452690 2003-02-19 7 AAVSO
2 10.9 2452911 2003-09-28 2452909 2003-09-26 2 SVO
3   2453133 2004-05-07 2453128 2004-05-02 5 AAVSO
4   2453358 2004-12-18 2453347 2004-12-07 11 AAVSO
5 10.8 2453565 2005-07-13 2453566 2005-07-14 -1 SVO
6   2453784 2006-02-17 2453785 2006-02-18 -1 AAVSO
7   2454014 2006-10-05 2454004 2006-09-25 10 AAVSO
8 11.1 2454222 2007-05-01 2454223 2007-05-02 -1 SVO
9   2454442 2007-12-07 2454442 2007-12-07 0 AAVSO
10 10.7 2454658 2008-07-10 2454661 2008-07-13 -3 SVO
11   2454873 2009-02-10 2454879 2009-02-16 -6 AAVSO
12 11.1 2455087 2009-09-12 2455098 2009-09-23 -11 SVO
13 11.0 2455303 2010-04-16 2455317 2010-04-30 -14 AAVSO
14 11.5 2455522 2010-11-21 2455536 2010-12-05 -14 AAVSO
15 11.3 2455744 2011-07-01 2455755 2011-07-12 -11 AAVSO
16   2455960 2012-02-02 2455974 2012-02-16 -14 AAVSO
17 11.6 2456183 2012-09-12 2456193 2012-09-22 -10 SVO
18 10.6 2456387 2013-04-04 2456412 2013-04-29 -25 AAVSO
19 12.1 2456621 2013-11-24 2456631 2013-12-04 -10 AAVSO
20 11.6 2456830 2014-06-21 2456850 2014-07-11 -20 SVO
21   2457050 2015-01-27 2457069 2015-02-15 -19 AAVSO
22 11.6 2457262 2015-08-27 2457288 2015-09-22 -26 SVO
23 11.3 2457479 2016-03-31 2457507 2016-04-28 -28 AAVSO
24 11.1 2457695 2016-11-02 2457726 2016-12-03 -31 AAVSO
25 11.2 2457905 2017-05-31 2457945 2017-07-10 -40 SVO
26   2458115 2017-12-27 2458164 2018-02-14 -49 SVO
27 11.1 2458338 2018-08-07 2458383 2018-09-21 -45 SVO
29 11.2 2458778 2019-10-21 2458821 2019-12-03 -43 SVO
30 11.9 2458999 2020-05-29 2459040 2020-07-09 -41 SVO
32 11.3 2459427 2021-07-31 2459477 2021-09-19 -50 SVO
34 10.7 2459857 2022-10-04 2459915 2022-12-01 -58 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.