Maxima for S Hya
Period: 256.63, Epoch: 2443509
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-179   2397572 1852-03-24 2397572 1852-03-24 0 AnHar, 1909, vol 55, p 95
-172   2399366 1857-02-20 2399369 1857-02-23 -3 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-171   2399622 1857-11-03 2399625 1857-11-06 -3 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-169   2400139 1859-04-04 2400139 1859-04-04 0 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-168   2400386 1859-12-07 2400395 1859-12-16 -9 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-166   2400898 1861-05-02 2400908 1861-05-12 -10 VeBam, 1931, vol 3, p 1
-165   2401135 1861-12-25 2401165 1862-01-24 -30 VeBam, 1931, vol 3, p 1
-162   2401930 1864-02-28 2401935 1864-03-04 -5 VeBam, 1931, vol 3, p 1
-159 7.5 2402692 1866-03-31 2402705 1866-04-13 -13 SVO
-156   2403451 1868-04-28 2403475 1868-05-22 -24 VeBam, 1931, vol 3, p 1, AnHar, 1909, vol 55, p 95
-155   2403720 1869-01-22 2403731 1869-02-02 -11 AnHar, 1909, vol 55, p 95, VeBam, 1931, vol 3, p 1
-154   2403970 1869-09-29 2403988 1869-10-17 -18 VeBam, 1931, vol 3, p 1
-153   2404200 1870-05-17 2404245 1870-07-01 -45 VeBam, 1931, vol 3, p 1
-152 8.1 2404491 1871-03-04 2404501 1871-03-14 -10 SVO
-151   2404735 1871-11-03 2404758 1871-11-26 -23 VeBam, 1931, vol 3, p 1
-149   2405258 1873-04-09 2405271 1873-04-22 -13 AnHar, 1909, vol 55, p 95
-148 8.3 2405530 1874-01-06 2405528 1874-01-04 2 SVO
-142   2407067 1878-03-23 2407068 1878-03-24 -1 GuL, 1918, 1.1
-139   2407852 1880-05-16 2407837 1880-05-01 15 GuL, 1918, 1.1
-138   2408114 1881-02-02 2408094 1881-01-13 20 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-132   2409634 1885-04-02 2409634 1885-04-02 0 AnHar, 1909, vol 55, p 95
-131   2409904 1885-12-28 2409890 1885-12-14 14 GuL, 1918, 1.1
-128   2410647 1888-01-10 2410660 1888-01-23 -13 GuL, 1918, 1.1
-125   2411420 1890-02-21 2411430 1890-03-03 -10 SVO
-121   2412451 1892-12-18 2412457 1892-12-24 -6 AnHar, 1909, vol 55, p 95
-119   2412958 1894-05-09 2412970 1894-05-21 -12 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-118   2413233 1895-02-08 2413227 1895-02-02 6 AnHar, 1909, vol 55, p 95
-115   2413989 1897-03-05 2413997 1897-03-13 -8 AnHar, 1909, vol 55, p 95
-112   2414719 1899-03-05 2414766 1899-04-21 -47 AnHar, 1909, vol 55, p 95
-111   2414984 1899-11-25 2415023 1900-01-03 -39 AnHar, 1909, vol 55, p 95
-110   2415230 1900-07-29 2415280 1900-09-17 -50 AnHar, 1909, vol 55, p 95
-109   2415490 1901-04-15 2415536 1901-05-31 -46 AnHar, 1909, vol 55, p 95
-108   2415751 1902-01-01 2415793 1902-02-12 -42 AnHar, 1909, vol 55, p 95
-106   2416243 1903-05-08 2416306 1903-07-10 -63 AnHar, 1909, vol 55, p 95
-105   2416493 1904-01-13 2416563 1904-03-23 -70 AnHar, 1909, vol 55, p 95
-103   2416988 1905-05-22 2417076 1905-08-18 -88 BHarO, 1934, no 896, p 1
-102 7.8 2417253 1906-02-11 2417333 1906-05-02 -80 SVO
-101 8.0 2417508 1906-10-24 2417589 1907-01-13 -81 AAVSO
-100   2417780 1907-07-23 2417846 1907-09-27 -66 AAVSO
-99 7.7 2418022 1908-03-21 2418103 1908-06-10 -81 SVO
-98 8.0 2418281 1908-12-05 2418359 1909-02-21 -78 AAVSO
-97   2418529 1909-08-10 2418616 1909-11-05 -87 AAVSO
-96 7.8 2418802 1910-05-10 2418873 1910-07-20 -71 AAVSO
-95 7.8 2419042 1911-01-05 2419129 1911-04-02 -87 AAVSO
-94   2419312 1911-10-02 2419386 1911-12-15 -74 BHarO, 1934, no 896, p 1
-93 8.0 2419561 1912-06-07 2419642 1912-08-27 -81 AAVSO
-92 8.0 2419817 1913-02-18 2419899 1913-05-11 -82 SVO
-91   2420096 1913-11-24 2420156 1914-01-23 -60 AAVSO
-90 7.9 2420357 1914-08-12 2420412 1914-10-06 -55 AAVSO
-89 7.8 2420597 1915-04-09 2420669 1915-06-20 -72 SVO
-88 8.0 2420851 1915-12-19 2420926 1916-03-03 -75 AAVSO
-87   2421102 1916-08-26 2421182 1916-11-14 -80 AAVSO
-86 8.0 2421352 1917-05-03 2421439 1917-07-29 -87 AAVSO
-85 8.0 2421623 1918-01-29 2421695 1918-04-11 -72 AAVSO
-84   2421877 1918-10-10 2421952 1918-12-24 -75 AAVSO
-83   2422123 1919-06-13 2422209 1919-09-07 -86 AAVSO
-82 7.5 2422373 1920-02-18 2422465 1920-05-20 -92 SVO
-81 7.5 2422646 1920-11-17 2422722 1921-02-01 -76 AAVSO
-80   2422906 1921-08-04 2422979 1921-10-16 -73 AAVSO
-79 7.8 2423168 1922-04-23 2423235 1922-06-29 -67 AAVSO
-78 7.6 2423423 1923-01-03 2423492 1923-03-13 -69 SVO
-77 8.0 2423670 1923-09-07 2423748 1923-11-24 -78 AAVSO
-76 7.8 2423932 1924-05-26 2424005 1924-08-07 -73 AAVSO
-75 7.2 2424186 1925-02-04 2424262 1925-04-21 -76 SVO
-74 7.7 2424449 1925-10-25 2424518 1926-01-02 -69 SVO
-73   2424711 1926-07-14 2424775 1926-09-16 -64 AAVSO
-72 7.6 2424987 1927-04-16 2425032 1927-05-31 -45 SVO
-71 8.0 2425248 1928-01-02 2425288 1928-02-11 -40 SVO
-70 7.8 2425505 1928-09-15 2425545 1928-10-25 -40 AAVSO
-69 7.7 2425756 1929-05-24 2425802 1929-07-09 -46 AAVSO
-68 7.4 2426014 1930-02-06 2426058 1930-03-22 -44 SVO
-67 8.2 2426281 1930-10-31 2426315 1930-12-04 -34 AAVSO
-66   2426529 1931-07-06 2426571 1931-08-17 -42 AAVSO
-65 8.2 2426797 1932-03-30 2426828 1932-04-30 -31 SVO
-64 7.9 2427055 1932-12-13 2427085 1933-01-12 -30 SVO
-63   2427311 1933-08-26 2427341 1933-09-25 -30 AAVSO
-62 7.6 2427585 1934-05-27 2427598 1934-06-09 -13 AAVSO
-61 7.5 2427839 1935-02-05 2427855 1935-02-21 -16 SVO
-60 8.0 2428093 1935-10-17 2428111 1935-11-04 -18 AAVSO
-59   2428346 1936-06-26 2428368 1936-07-18 -22 AAVSO
-58 7.8 2428604 1937-03-11 2428624 1937-03-31 -20 SVO
-57 7.4 2428869 1937-12-01 2428881 1937-12-13 -12 SVO
-56   2429130 1938-08-19 2429138 1938-08-27 -8 AAVSO
-55 8.2 2429400 1939-05-16 2429394 1939-05-10 6 AAVSO
-54 7.7 2429658 1940-01-29 2429651 1940-01-22 7 SVO
-53 7.7 2429915 1940-10-12 2429908 1940-10-05 7 AAVSO
-52   2430191 1941-07-15 2430164 1941-06-18 27 AAVSO
-51 7.5 2430433 1942-03-14 2430421 1942-03-02 12 SVO
-50 7.7 2430681 1942-11-17 2430678 1942-11-14 3 AAVSO
-49   2430954 1943-08-17 2430934 1943-07-28 20 AAVSO
-48 7.6 2431198 1944-04-17 2431191 1944-04-10 7 AAVSO
-47 8.0 2431455 1944-12-30 2431447 1944-12-22 8 SVO
-46   2431715 1945-09-16 2431704 1945-09-05 11 AAVSO
-45   2431989 1946-06-17 2431961 1946-05-20 28 AAVSO
-44 8.0 2432231 1947-02-14 2432217 1947-01-31 14 SVO
-43 7.6 2432484 1947-10-25 2432474 1947-10-15 10 AAVSO
-42 7.6 2432747 1948-07-14 2432731 1948-06-28 16 AAVSO
-41 7.9 2433003 1949-03-27 2432987 1949-03-11 16 SVO
-40 8.0 2433262 1949-12-11 2433244 1949-11-23 18 SVO
-39   2433521 1950-08-27 2433500 1950-08-06 21 AAVSO
-38 7.8 2433768 1951-05-01 2433757 1951-04-20 11 AAVSO
-37 7.7 2434025 1952-01-13 2434014 1952-01-02 11 SVO
-36 7.8 2434284 1952-09-28 2434270 1952-09-14 14 AAVSO
-35 7.9 2434539 1953-06-10 2434527 1953-05-29 12 AAVSO
-34 7.8 2434799 1954-02-25 2434784 1954-02-10 15 SVO
-33 7.9 2435051 1954-11-04 2435040 1954-10-24 11 AAVSO
-32   2435300 1955-07-11 2435297 1955-07-08 3 AAVSO
-31 8.4 2435554 1956-03-21 2435553 1956-03-20 1 AAVSO
-30 8.0 2435810 1956-12-02 2435810 1956-12-02 0 AAVSO
-29   2436061 1957-08-10 2436067 1957-08-16 -6 AAVSO
-28 7.8 2436304 1958-04-10 2436323 1958-04-29 -19 AAVSO
-27 7.8 2436567 1958-12-29 2436580 1959-01-11 -13 SVO
-26   2436825 1959-09-13 2436837 1959-09-25 -12 AAVSO
-25 8.0 2437085 1960-05-30 2437093 1960-06-07 -8 AAVSO
-24 7.8 2437340 1961-02-09 2437350 1961-02-19 -10 SVO
-23   2437587 1961-10-14 2437607 1961-11-03 -20 AAVSO
-22 8.1 2437839 1962-06-23 2437863 1962-07-17 -24 AAVSO
-21 7.9 2438097 1963-03-08 2438120 1963-03-31 -23 SVO
-20 7.8 2438352 1963-11-18 2438376 1963-12-12 -24 AAVSO
-19   2438598 1964-07-21 2438633 1964-08-25 -35 AAVSO
-18 7.6 2438865 1965-04-14 2438890 1965-05-09 -25 SVO
-17 8.4 2439122 1965-12-27 2439146 1966-01-20 -24 SVO
-16 8.0 2439376 1966-09-07 2439403 1966-10-04 -27 AAVSO
-15 7.9 2439627 1967-05-16 2439660 1967-06-18 -33 AAVSO
-14 7.8 2439887 1968-01-31 2439916 1968-02-29 -29 SVO
-13 7.8 2440142 1968-10-12 2440173 1968-11-12 -31 AAVSO
-12 7.5 2440400 1969-06-27 2440429 1969-07-26 -29 AAVSO
-11 7.8 2440657 1970-03-11 2440686 1970-04-09 -29 SVO
-10 7.6 2440921 1970-11-30 2440943 1970-12-22 -22 SVO
-9   2441175 1971-08-11 2441199 1971-09-04 -24 AAVSO
-8 7.4 2441431 1972-04-23 2441456 1972-05-18 -25 SVO
-7 7.9 2441691 1973-01-08 2441713 1973-01-30 -22 SVO
-6 8.2 2441951 1973-09-25 2441969 1973-10-13 -18 AAVSO
-5 8.0 2442200 1974-06-01 2442226 1974-06-27 -26 AAVSO
-4 7.8 2442472 1975-02-28 2442482 1975-03-10 -10 SVO
-3 7.8 2442732 1975-11-15 2442739 1975-11-22 -7 SVO
-2   2442981 1976-07-21 2442996 1976-08-05 -15 AAVSO
-1 8.1 2443245 1977-04-11 2443252 1977-04-18 -7 SVO
0 7.7 2443506 1977-12-28 2443509 1977-12-31 -3 SVO
1 8.4 2443763 1978-09-11 2443766 1978-09-14 -3 AAVSO
2 8.0 2444023 1979-05-29 2444022 1979-05-28 1 AAVSO
3 8.0 2444297 1980-02-27 2444279 1980-02-09 18 SVO
4 7.7 2444554 1980-11-10 2444536 1980-10-23 18 SVO
5 9.5 2444811 1981-07-25 2444792 1981-07-06 19 AAVSO
6 7.6 2445065 1982-04-05 2445049 1982-03-20 16 SVO
7 8.0 2445323 1982-12-19 2445305 1982-12-01 18 SVO
8 7.9 2445579 1983-09-01 2445562 1983-08-15 17 AAVSO
9 8.0 2445841 1984-05-20 2445819 1984-04-28 22 AAVSO
10 7.6 2446100 1985-02-03 2446075 1985-01-09 25 SVO
11 8.0 2446357 1985-10-18 2446332 1985-09-23 25 SVO
12 8.3 2446620 1986-07-08 2446589 1986-06-07 31 AAVSO
13 7.8 2446879 1987-03-24 2446845 1987-02-18 34 SVO
14 7.8 2447137 1987-12-07 2447102 1987-11-02 35 SVO
15   2447386 1988-08-12 2447358 1988-07-15 28 AAVSO
16 8.0 2447655 1989-05-08 2447615 1989-03-29 40 SVO
17 7.7 2447911 1990-01-19 2447872 1989-12-11 39 SVO
18   2448174 1990-10-09 2448128 1990-08-24 46 AAVSO
19   2448431 1991-06-23 2448385 1991-05-08 46 AAVSO
20 8.3 2448700 1992-03-18 2448642 1992-01-20 58 SVO
21 7.5 2448946 1992-11-19 2448898 1992-10-02 48 SVO
22   2449203 1993-08-03 2449155 1993-06-16 48 AAVSO
23 7.7 2449468 1994-04-25 2449411 1994-02-27 57 SVO
24 8.0 2449730 1995-01-12 2449668 1994-11-11 62 SVO
25   2449979 1995-09-18 2449925 1995-07-26 54 AAVSO
26   2450236 1996-06-01 2450181 1996-04-07 55 AAVSO
27 7.7 2450494 1997-02-14 2450438 1996-12-20 56 SVO
28 8.2 2450755 1997-11-02 2450695 1997-09-03 60 SVO
29   2451002 1998-07-07 2450951 1998-05-17 51 AAVSO
30 7.6 2451262 1999-03-24 2451208 1999-01-29 54 SVO
31 8.0 2451526 1999-12-13 2451465 1999-10-13 61 SVO
32   2451783 2000-08-26 2451721 2000-06-25 62 AAVSO
33 7.8 2452033 2001-05-03 2451978 2001-03-09 55 SVO
34 7.4 2452281 2002-01-06 2452234 2001-11-20 47 SVO
35   2452532 2002-09-14 2452491 2002-08-04 41 AAVSO
36   2452795 2003-06-04 2452748 2003-04-18 47 AAVSO
37 8.0 2453039 2004-02-03 2453004 2003-12-30 35 SVO
38 8.0 2453295 2004-10-16 2453261 2004-09-12 34 SVO
39 7.8 2453540 2005-06-18 2453518 2005-05-27 22 SVO
40 8.1 2453796 2006-03-01 2453774 2006-02-07 22 SVO
41 7.8 2454034 2006-10-25 2454031 2006-10-22 3 SVO
42 7.6 2454277 2007-06-25 2454287 2007-07-05 -10 SVO
43 7.7 2454532 2008-03-06 2454544 2008-03-18 -12 SVO
44   2454781 2008-11-10 2454801 2008-11-30 -20 AAVSO
45   2455031 2009-07-18 2455057 2009-08-13 -26 AAVSO
46 8.1 2455289 2010-04-02 2455314 2010-04-27 -25 SVO
47 7.7 2455542 2010-12-11 2455571 2011-01-09 -29 SVO
48 8.6 2455804 2011-08-30 2455827 2011-09-22 -23 SVO
49 7.9 2456062 2012-05-14 2456084 2012-06-05 -22 AAVSO
50 8.0 2456322 2013-01-29 2456341 2013-02-17 -19 SVO
51 8.3 2456581 2013-10-15 2456597 2013-10-31 -16 AAVSO
52 8.0 2456835 2014-06-26 2456854 2014-07-15 -19 AAVSO
53 7.6 2457088 2015-03-06 2457110 2015-03-28 -22 SVO
54 7.7 2457344 2015-11-17 2457367 2015-12-10 -23 SVO
55   2457603 2016-08-02 2457624 2016-08-23 -21 AAVSO
56 7.8 2457858 2017-04-14 2457880 2017-05-06 -22 SVO
57 7.8 2458120 2018-01-01 2458137 2018-01-18 -17 SVO
58 7.7 2458378 2018-09-16 2458394 2018-10-02 -16 SVO
58 7.7 2458378 2018-09-16 2458394 2018-10-02 -16 SVO
59   2458640 2019-06-05 2458650 2019-06-15 -10 SVO
60 8.2 2458903 2020-02-23 2458907 2020-02-27 -4 SVO
61 7.7 2459164 2020-11-10 2459163 2020-11-09 1 SVO
62   2459410 2021-07-14 2459420 2021-07-24 -10 SVO
63 7.8 2459670 2022-03-31 2459677 2022-04-07 -7 SVO
63 7.8 2459670 2022-03-31 2459677 2022-04-07 -7 SVO
64 7.9 2459938 2022-12-24 2459933 2022-12-19 5 SVO
64 7.9 2459938 2022-12-24 2459933 2022-12-19 5 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.