Maxima for S Hya
Period: 256.9, Epoch: 2457872
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-235   2397572 1852-03-24 2397501 1852-01-13 71 AnHar, 1909, vol 55, p 95
-228   2399366 1857-02-20 2399299 1856-12-15 67 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-227   2399622 1857-11-03 2399556 1857-08-29 66 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-225   2400139 1859-04-04 2400070 1859-01-25 69 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-224   2400386 1859-12-07 2400326 1859-10-08 60 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-222   2400898 1861-05-02 2400840 1861-03-05 58 VeBam, 1931, vol 3, p 1
-221   2401135 1861-12-25 2401097 1861-11-17 38 VeBam, 1931, vol 3, p 1
-218   2401930 1864-02-28 2401868 1863-12-28 62 VeBam, 1931, vol 3, p 1
-215 7.5 2402692 1866-03-31 2402639 1866-02-06 53 SVO
-212   2403451 1868-04-28 2403409 1868-03-17 42 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-211   2403720 1869-01-22 2403666 1868-11-29 54 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-210   2403970 1869-09-29 2403923 1869-08-13 47 VeBam, 1931, vol 3, p 1
-209   2404200 1870-05-17 2404180 1870-04-27 20 VeBam, 1931, vol 3, p 1
-208 8.1 2404491 1871-03-04 2404437 1871-01-09 54 SVO
-207   2404735 1871-11-03 2404694 1871-09-23 41 VeBam, 1931, vol 3, p 1
-205   2405258 1873-04-09 2405208 1873-02-18 50 AnHar, 1909, vol 55, p 95
-204 8.3 2405530 1874-01-06 2405464 1873-11-01 66 SVO
-198   2407067 1878-03-23 2407006 1878-01-21 61 GuL, 1918, 1.1
-195   2407852 1880-05-16 2407777 1880-03-02 75 GuL, 1918, 1.1
-194   2408114 1881-02-02 2408033 1880-11-13 81 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-188   2409634 1885-04-02 2409575 1885-02-02 59 AnHar, 1909, vol 55, p 95
-187   2409904 1885-12-28 2409832 1885-10-17 72 GuL, 1918, 1.1
-184   2410647 1888-01-10 2410602 1887-11-26 45 GuL, 1918, 1.1
-181   2411420 1890-02-21 2411373 1890-01-05 47 SVO
-177   2412451 1892-12-18 2412401 1892-10-29 50 AnHar, 1909, vol 55, p 95
-175   2412958 1894-05-09 2412915 1894-03-27 43 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-174   2413233 1895-02-08 2413171 1894-12-08 62 AnHar, 1909, vol 55, p 95
-171   2413989 1897-03-05 2413942 1897-01-17 47 AnHar, 1909, vol 55, p 95
-168   2414719 1899-03-05 2414713 1899-02-27 6 AnHar, 1909, vol 55, p 95
-167   2414984 1899-11-25 2414970 1899-11-11 14 AnHar, 1909, vol 55, p 95
-166   2415230 1900-07-29 2415227 1900-07-26 3 AnHar, 1909, vol 55, p 95
-165   2415490 1901-04-15 2415484 1901-04-09 6 AnHar, 1909, vol 55, p 95
-164   2415751 1902-01-01 2415740 1901-12-21 11 AnHar, 1909, vol 55, p 95
-162   2416243 1903-05-08 2416254 1903-05-19 -11 AnHar, 1909, vol 55, p 95
-161   2416493 1904-01-13 2416511 1904-01-31 -18 AnHar, 1909, vol 55, p 95
-159   2416988 1905-05-22 2417025 1905-06-28 -37 BHarO, 1934, no 896, p 1
-158 7.8 2417253 1906-02-11 2417282 1906-03-12 -29 SVO
-157 8.0 2417508 1906-10-24 2417539 1906-11-24 -31 AAVSO
-156   2417780 1907-07-23 2417796 1907-08-08 -16 AAVSO
-155 7.7 2418022 1908-03-21 2418053 1908-04-21 -31 SVO
-154 8.0 2418281 1908-12-05 2418309 1909-01-02 -28 AAVSO
-153   2418529 1909-08-10 2418566 1909-09-16 -37 AAVSO
-152 7.8 2418802 1910-05-10 2418823 1910-05-31 -21 AAVSO
-151 7.8 2419042 1911-01-05 2419080 1911-02-12 -38 AAVSO
-150   2419312 1911-10-02 2419337 1911-10-27 -25 BHarO, 1934, no 896, p 1
-149 8.0 2419561 1912-06-07 2419594 1912-07-10 -33 AAVSO
-148 8.0 2419817 1913-02-18 2419851 1913-03-24 -34 SVO
-147   2420096 1913-11-24 2420108 1913-12-06 -12 AAVSO
-146 7.9 2420357 1914-08-12 2420365 1914-08-20 -8 AAVSO
-145 7.8 2420597 1915-04-09 2420622 1915-05-04 -25 SVO
-144 8.0 2420851 1915-12-19 2420878 1916-01-15 -27 AAVSO
-143   2421102 1916-08-26 2421135 1916-09-28 -33 AAVSO
-142 8.0 2421352 1917-05-03 2421392 1917-06-12 -40 AAVSO
-141 8.0 2421623 1918-01-29 2421649 1918-02-24 -26 AAVSO
-140   2421877 1918-10-10 2421906 1918-11-08 -29 AAVSO
-139   2422123 1919-06-13 2422163 1919-07-23 -40 AAVSO
-138 7.5 2422373 1920-02-18 2422420 1920-04-05 -47 SVO
-137 7.5 2422646 1920-11-17 2422677 1920-12-18 -31 AAVSO
-136   2422906 1921-08-04 2422934 1921-09-01 -28 AAVSO
-135 7.8 2423168 1922-04-23 2423191 1922-05-16 -23 AAVSO
-134 7.6 2423423 1923-01-03 2423447 1923-01-27 -24 SVO
-133 8.0 2423670 1923-09-07 2423704 1923-10-11 -34 AAVSO
-132 7.8 2423932 1924-05-26 2423961 1924-06-24 -29 AAVSO
-131 7.2 2424186 1925-02-04 2424218 1925-03-08 -32 SVO
-130 7.7 2424449 1925-10-25 2424475 1925-11-20 -26 SVO
-129   2424711 1926-07-14 2424732 1926-08-04 -21 AAVSO
-128 7.6 2424987 1927-04-16 2424989 1927-04-18 -2 SVO
-127 8.0 2425248 1928-01-02 2425246 1927-12-31 2 SVO
-126 7.8 2425505 1928-09-15 2425503 1928-09-13 2 AAVSO
-125 7.7 2425756 1929-05-24 2425760 1929-05-28 -4 AAVSO
-124 7.4 2426014 1930-02-06 2426016 1930-02-08 -2 SVO
-123 8.2 2426281 1930-10-31 2426273 1930-10-23 8 AAVSO
-122   2426529 1931-07-06 2426530 1931-07-07 -1 AAVSO
-121 8.2 2426797 1932-03-30 2426787 1932-03-20 10 SVO
-120 7.9 2427055 1932-12-13 2427044 1932-12-02 11 SVO
-119   2427311 1933-08-26 2427301 1933-08-16 10 AAVSO
-118 7.6 2427585 1934-05-27 2427558 1934-04-30 27 AAVSO
-117 7.5 2427839 1935-02-05 2427815 1935-01-12 24 SVO
-116 8.0 2428093 1935-10-17 2428072 1935-09-26 21 AAVSO
-115   2428346 1936-06-26 2428329 1936-06-09 17 AAVSO
-114 7.8 2428604 1937-03-11 2428585 1937-02-20 19 SVO
-113 7.4 2428869 1937-12-01 2428842 1937-11-04 27 SVO
-112   2429130 1938-08-19 2429099 1938-07-19 31 AAVSO
-111 8.2 2429400 1939-05-16 2429356 1939-04-02 44 AAVSO
-110 7.7 2429658 1940-01-29 2429613 1939-12-15 45 SVO
-109 7.7 2429915 1940-10-12 2429870 1940-08-28 45 AAVSO
-108   2430191 1941-07-15 2430127 1941-05-12 64 AAVSO
-107 7.5 2430433 1942-03-14 2430384 1942-01-24 49 SVO
-106 7.7 2430681 1942-11-17 2430641 1942-10-08 40 AAVSO
-105   2430954 1943-08-17 2430898 1943-06-22 56 AAVSO
-104 7.6 2431198 1944-04-17 2431154 1944-03-04 44 AAVSO
-103 8.0 2431455 1944-12-30 2431411 1944-11-16 44 SVO
-102   2431715 1945-09-16 2431668 1945-07-31 47 AAVSO
-101   2431989 1946-06-17 2431925 1946-04-14 64 AAVSO
-100 8.0 2432231 1947-02-14 2432182 1946-12-27 49 SVO
-99 7.6 2432484 1947-10-25 2432439 1947-09-10 45 AAVSO
-98 7.6 2432747 1948-07-14 2432696 1948-05-24 51 AAVSO
-97 7.9 2433003 1949-03-27 2432953 1949-02-05 50 SVO
-96 8.0 2433262 1949-12-11 2433210 1949-10-20 52 SVO
-95   2433521 1950-08-27 2433467 1950-07-04 54 AAVSO
-94 7.8 2433768 1951-05-01 2433723 1951-03-17 45 AAVSO
-93 7.7 2434025 1952-01-13 2433980 1951-11-29 45 SVO
-92 7.8 2434284 1952-09-28 2434237 1952-08-12 47 AAVSO
-91 7.9 2434539 1953-06-10 2434494 1953-04-26 45 AAVSO
-90 7.8 2434799 1954-02-25 2434751 1954-01-08 48 SVO
-89 7.9 2435051 1954-11-04 2435008 1954-09-22 43 AAVSO
-88   2435300 1955-07-11 2435265 1955-06-06 35 AAVSO
-87 8.4 2435554 1956-03-21 2435522 1956-02-18 32 AAVSO
-86 8.0 2435810 1956-12-02 2435779 1956-11-01 31 AAVSO
-85   2436061 1957-08-10 2436036 1957-07-16 25 AAVSO
-84 7.8 2436304 1958-04-10 2436292 1958-03-29 12 AAVSO
-83 7.8 2436567 1958-12-29 2436549 1958-12-11 18 SVO
-82   2436825 1959-09-13 2436806 1959-08-25 19 AAVSO
-81 8.0 2437085 1960-05-30 2437063 1960-05-08 22 AAVSO
-80 7.8 2437340 1961-02-09 2437320 1961-01-20 20 SVO
-79   2437587 1961-10-14 2437577 1961-10-04 10 AAVSO
-78 8.1 2437839 1962-06-23 2437834 1962-06-18 5 AAVSO
-77 7.9 2438097 1963-03-08 2438091 1963-03-02 6 SVO
-76 7.8 2438352 1963-11-18 2438348 1963-11-14 4 AAVSO
-75   2438598 1964-07-21 2438605 1964-07-28 -7 AAVSO
-74 7.6 2438865 1965-04-14 2438861 1965-04-10 4 SVO
-73 8.4 2439122 1965-12-27 2439118 1965-12-23 4 SVO
-72 8.0 2439376 1966-09-07 2439375 1966-09-06 1 AAVSO
-71 7.9 2439627 1967-05-16 2439632 1967-05-21 -5 AAVSO
-70 7.8 2439887 1968-01-31 2439889 1968-02-02 -2 SVO
-69 7.8 2440142 1968-10-12 2440146 1968-10-16 -4 AAVSO
-68 7.5 2440400 1969-06-27 2440403 1969-06-30 -3 AAVSO
-67 7.8 2440657 1970-03-11 2440660 1970-03-14 -3 SVO
-66 7.6 2440921 1970-11-30 2440917 1970-11-26 4 SVO
-65   2441175 1971-08-11 2441174 1971-08-10 1 AAVSO
-64 7.4 2441431 1972-04-23 2441430 1972-04-22 1 SVO
-63 7.9 2441691 1973-01-08 2441687 1973-01-04 4 SVO
-62 8.2 2441951 1973-09-25 2441944 1973-09-18 7 AAVSO
-61 8.0 2442200 1974-06-01 2442201 1974-06-02 -1 AAVSO
-60 7.8 2442472 1975-02-28 2442458 1975-02-14 14 SVO
-59 7.8 2442732 1975-11-15 2442715 1975-10-29 17 SVO
-58   2442981 1976-07-21 2442972 1976-07-12 9 AAVSO
-57 8.1 2443245 1977-04-11 2443229 1977-03-26 16 SVO
-56 7.7 2443506 1977-12-28 2443486 1977-12-08 20 SVO
-55 8.4 2443763 1978-09-11 2443743 1978-08-22 20 AAVSO
-54 8.0 2444023 1979-05-29 2443999 1979-05-05 24 AAVSO
-53 8.0 2444297 1980-02-27 2444256 1980-01-17 41 SVO
-52 7.7 2444554 1980-11-10 2444513 1980-09-30 41 SVO
-51 9.5 2444811 1981-07-25 2444770 1981-06-14 41 AAVSO
-50 7.6 2445065 1982-04-05 2445027 1982-02-26 38 SVO
-49 8.0 2445323 1982-12-19 2445284 1982-11-10 39 SVO
-48 7.9 2445579 1983-09-01 2445541 1983-07-25 38 AAVSO
-47 8.0 2445841 1984-05-20 2445798 1984-04-07 43 AAVSO
-46 7.6 2446100 1985-02-03 2446055 1984-12-20 45 SVO
-45 8.0 2446357 1985-10-18 2446312 1985-09-03 45 SVO
-44 8.3 2446620 1986-07-08 2446568 1986-05-17 52 AAVSO
-43 7.8 2446879 1987-03-24 2446825 1987-01-29 54 SVO
-42 7.8 2447137 1987-12-07 2447082 1987-10-13 55 SVO
-41   2447386 1988-08-12 2447339 1988-06-26 47 AAVSO
-40 8.0 2447655 1989-05-08 2447596 1989-03-10 59 SVO
-39 7.7 2447911 1990-01-19 2447853 1989-11-22 58 SVO
-38   2448174 1990-10-09 2448110 1990-08-06 64 AAVSO
-37   2448431 1991-06-23 2448367 1991-04-20 64 AAVSO
-36 8.3 2448700 1992-03-18 2448624 1992-01-02 76 SVO
-35 7.5 2448946 1992-11-19 2448881 1992-09-15 65 SVO
-34   2449203 1993-08-03 2449137 1993-05-29 66 AAVSO
-33 7.7 2449468 1994-04-25 2449394 1994-02-10 74 SVO
-32 8.0 2449730 1995-01-12 2449651 1994-10-25 79 SVO
-31   2449979 1995-09-18 2449908 1995-07-09 71 AAVSO
-30   2450236 1996-06-01 2450165 1996-03-22 71 AAVSO
-29 7.7 2450494 1997-02-14 2450422 1996-12-04 72 SVO
-28 8.2 2450755 1997-11-02 2450679 1997-08-18 76 SVO
-27   2451002 1998-07-07 2450936 1998-05-02 66 AAVSO
-26 7.6 2451262 1999-03-24 2451193 1999-01-14 69 SVO
-25 8.0 2451526 1999-12-13 2451450 1999-09-28 76 SVO
-24   2451783 2000-08-26 2451706 2000-06-10 77 AAVSO
-23 7.8 2452033 2001-05-03 2451963 2001-02-22 70 SVO
-22 7.4 2452281 2002-01-06 2452220 2001-11-06 61 SVO
-21   2452532 2002-09-14 2452477 2002-07-21 55 AAVSO
-20   2452795 2003-06-04 2452734 2003-04-04 61 AAVSO
-19 8.0 2453039 2004-02-03 2452991 2003-12-17 48 SVO
-18 8.0 2453295 2004-10-16 2453248 2004-08-30 47 SVO
-17 7.8 2453540 2005-06-18 2453505 2005-05-14 35 SVO
-16 8.1 2453796 2006-03-01 2453762 2006-01-26 34 SVO
-15 7.8 2454034 2006-10-25 2454019 2006-10-10 15 SVO
-14 7.6 2454277 2007-06-25 2454275 2007-06-23 2 SVO
-13 7.7 2454532 2008-03-06 2454532 2008-03-06 0 SVO
-12   2454781 2008-11-10 2454789 2008-11-18 -8 AAVSO
-11   2455031 2009-07-18 2455046 2009-08-02 -15 AAVSO
-10 8.1 2455289 2010-04-02 2455303 2010-04-16 -14 SVO
-9 7.7 2455542 2010-12-11 2455560 2010-12-29 -18 SVO
-8 8.6 2455804 2011-08-30 2455817 2011-09-12 -13 SVO
-7 7.9 2456062 2012-05-14 2456074 2012-05-26 -12 AAVSO
-6 8.0 2456322 2013-01-29 2456331 2013-02-07 -9 SVO
-5 8.3 2456581 2013-10-15 2456588 2013-10-22 -7 AAVSO
-4 8.0 2456835 2014-06-26 2456844 2014-07-05 -9 AAVSO
-3 7.6 2457088 2015-03-06 2457101 2015-03-19 -13 SVO
-2 7.7 2457344 2015-11-17 2457358 2015-12-01 -14 SVO
-1   2457603 2016-08-02 2457615 2016-08-14 -12 AAVSO
0 7.8 2457858 2017-04-14 2457872 2017-04-28 -14 SVO
1 7.8 2458120 2018-01-01 2458129 2018-01-10 -9 SVO
2 7.7 2458378 2018-09-16 2458386 2018-09-24 -8 SVO
2 7.7 2458378 2018-09-16 2458386 2018-09-24 -8 SVO
3   2458640 2019-06-05 2458643 2019-06-08 -3 SVO
4 8.2 2458903 2020-02-23 2458900 2020-02-20 3 SVO
5 7.7 2459164 2020-11-10 2459157 2020-11-03 7 SVO
6   2459410 2021-07-14 2459413 2021-07-17 -3 SVO
7 7.8 2459670 2022-03-31 2459670 2022-03-31 0 SVO
7 7.8 2459670 2022-03-31 2459670 2022-03-31 0 SVO
8 7.9 2459938 2022-12-24 2459927 2022-12-13 11 SVO
8 7.9 2459938 2022-12-24 2459927 2022-12-13 11 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.