Maxima for R Hya
Period: 388.87, Epoch: 2443596
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-224   2343512 1704-03-20 2356489 1739-09-30 -12977 AnHar, 1909, vol 55, p 95
-223   2344042 1705-09-01 2356878 1740-10-23 -12836 GuL, 1918, 1.1
-221   2345034 1708-05-20 2357656 1742-12-10 -12622 AnHar, 1909, vol 55, p 95
-220   2345564 1709-11-01 2358045 1744-01-03 -12481 GuL, 1918, 1.1
-218   2346490 1712-05-15 2358822 1746-02-18 -12332 GuL, 1918, 1.1
-165   2372678 1784-01-26 2379432 1802-07-25 -6754 AnHar, 1909, vol 55, p 95
-164   2373163 1785-05-25 2379821 1803-08-18 -6658 AnHar, 1909, vol 55, p 95
-149   2380447 1805-05-05 2385654 1819-08-07 -5207 AnHar, 1909, vol 55, p 95
-146   2381877 1809-04-04 2386821 1822-10-17 -4944 AnHar, 1909, vol 55, p 95
-139   2385160 1818-03-31 2389543 1830-03-31 -4383 AnHar, 1909, vol 55, p 95
-135   2387004 1823-04-18 2391099 1834-07-04 -4095 AnHar, 1909, vol 55, p 95
-132   2388387 1827-01-30 2392265 1837-09-12 -3878 AnHar, 1909, vol 55, p 95
-119   2394351 1843-05-30 2397320 1851-07-16 -2969 AnHar, 1909, vol 55, p 95
-115   2396151 1848-05-03 2398876 1855-10-19 -2725 AnHar, 1909, vol 55, p 95
-111   2397942 1853-03-29 2400431 1860-01-21 -2489 AnHar, 1909, vol 55, p 95
-110   2398386 1854-06-16 2400820 1861-02-13 -2434 AnHar, 1909, vol 55, p 95
-108   2399306 1856-12-22 2401598 1863-04-02 -2292 AnHar, 1909, vol 55, p 95
-107   2399731 1858-02-20 2401987 1864-04-25 -2256 AnHar, 1909, vol 55, p 95
-106   2400188 1859-05-23 2402376 1865-05-19 -2188 AnHar, 1909, vol 55, p 95
-105   2400638 1860-08-15 2402765 1866-06-12 -2127 AnHar, 1909, vol 55, p 95
-103   2401525 1863-01-19 2403542 1868-07-28 -2017 AnHar, 1909, vol 55, p 95
-102   2401976 1864-04-14 2403931 1869-08-21 -1955 AnHar, 1909, vol 55, p 95
-101   2402422 1865-07-04 2404320 1870-09-14 -1898 AnHar, 1909, vol 55, p 95
-100   2402837 1866-08-23 2404709 1871-10-08 -1872 GuL, 1918, 1.1
-98   2403741 1869-02-12 2405487 1873-11-24 -1746 AnHar, 1909, vol 55, p 95
-97   2404173 1870-04-20 2405876 1874-12-18 -1703 AnHar, 1909, vol 55, p 95
-96   2404612 1871-07-03 2406264 1876-01-10 -1652 AnHar, 1909, vol 55, p 95
-92   2406356 1876-04-11 2407820 1880-04-14 -1464 GuL, 1918, 1.1, AnHar, 1909, vol 55, p 95
-91   2406791 1877-06-20 2408209 1881-05-08 -1418 AnHar, 1909, vol 55, p 95
-88   2408085 1881-01-04 2409375 1884-07-17 -1290 GuL, 1918, 1.1
-87   2408514 1882-03-09 2409764 1885-08-10 -1250 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-86   2408949 1883-05-18 2410153 1886-09-03 -1204 AnHar, 1909, vol 55, p 95, GuL, 1918, 1.1
-85   2409388 1884-07-30 2410542 1887-09-27 -1154 GuL, 1918, 1.1
-80   2411514 1890-05-26 2412486 1893-01-22 -972 AnHar, 1909, vol 55, p 95
-77   2412798 1893-11-30 2413653 1896-04-03 -855 AnHar, 1909, vol 55, p 95
-76   2413226 1895-02-01 2414042 1897-04-27 -816 AnHar, 1909, vol 55, p 95
-75   2413641 1896-03-22 2414431 1898-05-21 -790 AnHar, 1909, vol 55, p 95
-74   2414050 1897-05-05 2414820 1899-06-14 -770 AnHar, 1909, vol 55, p 95
-73   2414473 1898-07-02 2415208 1900-07-07 -735 AnHar, 1909, vol 55, p 95
-72   2414900 1899-09-02 2415597 1901-07-31 -697 SVO
-71   2415310 1900-10-17 2415986 1902-08-24 -676 SVO
-70   2415740 1901-12-21 2416375 1903-09-17 -635 SVO
-69   2416140 1903-01-25 2416764 1904-10-10 -624 AnHar, 1952, vol 115
-68   2416565 1904-03-25 2417153 1905-11-03 -588 AnHar, 1909, vol 55, p 95
-67   2416984 1905-05-18 2417542 1906-11-27 -558 AAVSO
-66 4.7 2417378 1906-06-16 2417931 1907-12-21 -553 AAVSO
-65 4.0 2417795 1907-08-07 2418319 1909-01-12 -524 AAVSO
-64 4.6 2418185 1908-08-31 2418708 1910-02-05 -523 SVO
-63 5.0 2418606 1909-10-26 2419097 1911-03-01 -491 SVO
-62 4.9 2418998 1910-11-22 2419486 1912-03-24 -488 SVO
-61 4.9 2419403 1912-01-01 2419875 1913-04-17 -472 SVO
-60 4.9 2419815 1913-02-16 2420264 1914-05-11 -449 SVO
-59 4.9 2420233 1914-04-10 2420653 1915-06-04 -420 SVO
-58 4.7 2420632 1915-05-14 2421042 1916-06-27 -410 SVO
-57 5.7 2421035 1916-06-20 2421430 1917-07-20 -395 SVO
-56 4.4 2421435 1917-07-25 2421819 1918-08-13 -384 AAVSO
-55 5.3 2421839 1918-09-02 2422208 1919-09-06 -369 SVO
-54 5.0 2422242 1919-10-10 2422597 1920-09-29 -355 SVO
-53 5.0 2422647 1920-11-18 2422986 1921-10-23 -339 SVO
-52 4.7 2423050 1921-12-26 2423375 1922-11-16 -325 SVO
-51 5.0 2423459 1923-02-08 2423764 1923-12-10 -305 SVO
-50 4.7 2423874 1924-03-29 2424153 1925-01-02 -279 SVO
-49 5.1 2424297 1925-05-26 2424541 1926-01-25 -244 SVO
-48 4.9 2424718 1926-07-21 2424930 1927-02-18 -212 SVO
-47 4.7 2425126 1927-09-02 2425319 1928-03-13 -193 SVO
-46 4.5 2425539 1928-10-19 2425708 1929-04-06 -169 SVO
-45 5.3 2425956 1929-12-10 2426097 1930-04-30 -141 SVO
-44 4.7 2426368 1931-01-26 2426486 1931-05-24 -118 SVO
-43 5.7 2426791 1932-03-24 2426875 1932-06-16 -84 SVO
-42 4.7 2427198 1933-05-05 2427263 1933-07-09 -65 SVO
-41 5.1 2427609 1934-06-20 2427652 1934-08-02 -43 SVO
-40 5.3 2428021 1935-08-06 2428041 1935-08-26 -20 SVO
-39 4.5 2428410 1936-08-29 2428430 1936-09-18 -20 SVO
-38 5.3 2428810 1937-10-03 2428819 1937-10-12 -9 SVO
-37 5.5 2429215 1938-11-12 2429208 1938-11-05 7 SVO
-36 5.3 2429608 1939-12-10 2429597 1939-11-29 11 SVO
-35 5.2 2429998 1941-01-03 2429986 1940-12-22 12 SVO
-34 5.1 2430387 1942-01-27 2430374 1942-01-14 13 SVO
-33 5.0 2430761 1943-02-05 2430763 1943-02-07 -2 SVO
-32 4.9 2431145 1944-02-24 2431152 1944-03-02 -7 SVO
-31 5.2 2431540 1945-03-25 2431541 1945-03-26 -1 SVO
-30 5.0 2431913 1946-04-02 2431930 1946-04-19 -17 SVO
-29 5.0 2432296 1947-04-20 2432319 1947-05-13 -23 SVO
-28 4.9 2432676 1948-05-04 2432708 1948-06-05 -32 SVO
-27 5.4 2433067 1949-05-30 2433097 1949-06-29 -30 SVO
-26 5.1 2433466 1950-07-03 2433485 1950-07-22 -19 SVO
-25 4.7 2433841 1951-07-13 2433874 1951-08-15 -33 SVO
-24 5.2 2434230 1952-08-05 2434263 1952-09-07 -33 SVO
-23 5.1 2434607 1953-08-17 2434652 1953-10-01 -45 SVO
-22 5.5 2435003 1954-09-17 2435041 1954-10-25 -38 SVO
-21 5.1 2435385 1955-10-04 2435430 1955-11-18 -45 SVO
-20 4.9 2435776 1956-10-29 2435819 1956-12-11 -43 SVO
-19 4.8 2436167 1957-11-24 2436207 1958-01-03 -40 SVO
-18 5.0 2436570 1959-01-01 2436596 1959-01-27 -26 SVO
-17 4.8 2436959 1960-01-25 2436985 1960-02-20 -26 SVO
-16 5.0 2437364 1961-03-05 2437374 1961-03-15 -10 SVO
-15 5.0 2437745 1962-03-21 2437763 1962-04-08 -18 SVO
-14 4.8 2438140 1963-04-20 2438152 1963-05-02 -12 SVO
-13 5.1 2438541 1964-05-25 2438541 1964-05-25 0 SVO
-12 5.1 2438935 1965-06-23 2438930 1965-06-18 5 SVO
-11 5.1 2439321 1966-07-14 2439318 1966-07-11 3 SVO
-10 4.9 2439712 1967-08-09 2439707 1967-08-04 5 SVO
-9 5.2 2440096 1968-08-27 2440096 1968-08-27 0 SVO
-8 4.9 2440503 1969-10-08 2440485 1969-09-20 18 SVO
-7 5.0 2440891 1970-10-31 2440874 1970-10-14 17 SVO
-6 5.0 2441291 1971-12-05 2441263 1971-11-07 28 SVO
-5 4.9 2441678 1972-12-26 2441652 1972-11-30 26 SVO
-4 5.1 2442066 1974-01-18 2442041 1973-12-24 25 SVO
-3 5.1 2442450 1975-02-06 2442429 1975-01-16 21 SVO
-2 5.1 2442827 1976-02-18 2442818 1976-02-09 9 SVO
-1 5.1 2443216 1977-03-13 2443207 1977-03-04 9 SVO
0 5.0 2443592 1978-03-24 2443596 1978-03-28 -4 SVO
1 5.0 2443981 1979-04-17 2443985 1979-04-21 -4 SVO
2 4.9 2444365 1980-05-05 2444374 1980-05-14 -9 SVO
3 5.0 2444772 1981-06-16 2444763 1981-06-07 9 SVO
4 5.5 2445146 1982-06-25 2445151 1982-06-30 -5 SVO
5 4.9 2445538 1983-07-22 2445540 1983-07-24 -2 SVO
6 4.9 2445923 1984-08-10 2445929 1984-08-16 -6 SVO
7 5.4 2446296 1985-08-18 2446318 1985-09-09 -22 SVO
8 4.9 2446695 1986-09-21 2446707 1986-10-03 -12 SVO
9 4.7 2447074 1987-10-05 2447096 1987-10-27 -22 SVO
10 4.8 2447466 1988-10-31 2447485 1988-11-19 -19 SVO
11 5.1 2447859 1989-11-28 2447874 1989-12-13 -15 SVO
12 5.2 2448248 1990-12-22 2448262 1991-01-05 -14 SVO
13 4.8 2448622 1991-12-31 2448651 1992-01-29 -29 SVO
14 5.1 2449011 1993-01-23 2449040 1993-02-21 -29 SVO
15 5.1 2449401 1994-02-17 2449429 1994-03-17 -28 SVO
16 5.1 2449789 1995-03-12 2449818 1995-04-10 -29 SVO
17 5.5 2450171 1996-03-28 2450207 1996-05-03 -36 SVO
18 5.0 2450554 1997-04-15 2450596 1997-05-27 -42 SVO
19 5.0 2450932 1998-04-28 2450985 1998-06-20 -53 SVO
20 5.1 2451325 1999-05-26 2451373 1999-07-13 -48 SVO
21 4.7 2451711 2000-06-15 2451762 2000-08-05 -51 SVO
22 5.5 2452097 2001-07-06 2452151 2001-08-29 -54 SVO
23 5.2 2452481 2002-07-25 2452540 2002-09-22 -59 SVO
24 4.9 2452866 2003-08-14 2452929 2003-10-16 -63 SVO
25 5.0 2453242 2004-08-24 2453318 2004-11-08 -76 SVO
26 5.0 2453631 2005-09-17 2453707 2005-12-02 -76 SVO
27 4.9 2453993 2006-09-14 2454095 2006-12-25 -102 SVO
28 5.2 2454379 2007-10-05 2454484 2008-01-18 -105 SVO
29 4.7 2454752 2008-10-12 2454873 2009-02-10 -121 SVO
30 4.7 2455130 2009-10-25 2455262 2010-03-06 -132 SVO
31 5.1 2455521 2010-11-20 2455651 2011-03-30 -130 SVO
32 5.2 2455900 2011-12-04 2456040 2012-04-22 -140 SVO
33 5.3 2456280 2012-12-18 2456429 2013-05-16 -149 SVO
34 4.7 2456612 2013-11-15 2456818 2014-06-09 -206 SVO
35   2456959 2014-10-28 2457206 2015-07-02 -247 AAVSO
36 4.9 2457333 2015-11-06 2457595 2016-07-25 -262 SVO
37 4.8 2457683 2016-10-21 2457984 2017-08-18 -301 SVO
38 5.0 2458044 2017-10-17 2458373 2018-09-11 -329 SVO
39 4.9 2458396 2018-10-04 2458762 2019-10-05 -366 SVO
40   2458760 2019-10-03 2459151 2020-10-28 -391 SVO
41 4.8 2459094 2020-09-01 2459540 2021-11-21 -446 SVO
42 4.7 2459475 2021-09-17 2459929 2022-12-15 -454 SVO
42 4.7 2459475 2021-09-17 2459929 2022-12-15 -454 SVO
43   2459845 2022-09-22 2460317 2024-01-07 -472 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.