Maxima for R Cha
Period: 334.58, Epoch: 2442006
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-91   2411559 1890-07-10 2411559 1890-07-10 0 BHarO, 1927, no 842, p 12
-90   2411890 1891-06-06 2411894 1891-06-10 -4 BHarO, 1927, no 842, p 12
-89   2412252 1892-06-02 2412228 1892-05-09 24 BHarO, 1927, no 842, p 12
-88   2412584 1893-04-30 2412563 1893-04-09 21 BHarO, 1927, no 842, p 12
-87   2412918 1894-03-30 2412898 1894-03-10 20 BHarO, 1927, no 842, p 12
-86   2413248 1895-02-23 2413232 1895-02-07 16 BHarO, 1927, no 842, p 12, AnHar, 1909, vol 55, p 95
-85   2413579 1896-01-20 2413567 1896-01-08 12 BHarO, 1927, no 842, p 12
-84   2413927 1897-01-02 2413901 1896-12-07 26 BHarO, 1927, no 842, p 12
-83   2414276 1897-12-17 2414236 1897-11-07 40 BHarO, 1927, no 842, p 12, AnHar, 1909, vol 55, p 95
-82   2414622 1898-11-28 2414570 1898-10-07 52 BHarO, 1927, no 842, p 12
-81   2414939 1899-10-11 2414905 1899-09-07 34 AnHar, 1909, vol 55, p 95, BHarO, 1927, no 842, p 12
-80   2415262 1900-08-30 2415240 1900-08-08 22 BHarO, 1927, no 842, p 12
-78   2415950 1902-07-19 2415909 1902-06-08 41 BHarO, 1927, no 842, p 12
-77   2416280 1903-06-14 2416243 1903-05-08 37 SVO
-76   2416613 1904-05-12 2416578 1904-04-07 35 AnHar, 1909, vol 55, p 95, BHarO, 1927, no 842, p 12
-75   2416949 1905-04-13 2416913 1905-03-08 36 SVO
-74   2417282 1906-03-12 2417247 1906-02-05 35 BHarO, 1927, no 842, p 12
-72   2417950 1908-01-09 2417916 1907-12-06 34 BHarO, 1927, no 842, p 12
-71   2418293 1908-12-17 2418251 1908-11-05 42 BHarO, 1927, no 842, p 12
-70   2418624 1909-11-13 2418585 1909-10-05 39 BHarO, 1927, no 842, p 12, AnHar, 1952, vol 115
-69   2418955 1910-10-10 2418920 1910-09-05 35 SVO
-68   2419280 1911-08-31 2419255 1911-08-06 25 AnHar, 1952, vol 115
-66   2419940 1913-06-21 2419924 1913-06-05 16 SVO
-64   2420605 1915-04-17 2420593 1915-04-05 12 AnHar, 1952, vol 115, BHarO, 1927, no 842, p 12
-63   2420945 1916-03-22 2420927 1916-03-04 18 AnHar, 1952, vol 115, BHarO, 1927, no 842, p 12
-62   2421269 1917-02-09 2421262 1917-02-02 7 BHarO, 1927, no 842, p 12
-61 8.3 2421596 1918-01-02 2421597 1918-01-03 -1 SVO
-60 8.9 2421949 1918-12-21 2421931 1918-12-03 18 SVO
-59 8.3 2422281 1919-11-18 2422266 1919-11-03 15 SVO
-58 8.2 2422613 1920-10-15 2422600 1920-10-02 13 SVO
-57 7.6 2422946 1921-09-13 2422935 1921-09-02 11 SVO
-56 8.5 2423296 1922-08-29 2423270 1922-08-03 26 SVO
-55 8.4 2423635 1923-08-03 2423604 1923-07-03 31 SVO
-54 8.5 2423979 1924-07-12 2423939 1924-06-02 40 SVO
-53 8.2 2424317 1925-06-15 2424273 1925-05-02 44 SVO
-52 8.4 2424656 1926-05-20 2424608 1926-04-02 48 SVO
-51 8.9 2424996 1927-04-25 2424942 1927-03-02 54 SVO
-50 8.0 2425319 1928-03-13 2425277 1928-01-31 42 SVO
-49 8.5 2425647 1929-02-04 2425612 1928-12-31 35 SVO
-48 7.8 2425971 1929-12-25 2425946 1929-11-30 25 SVO
-47 8.6 2426301 1930-11-20 2426281 1930-10-31 20 SVO
-46 8.3 2426636 1931-10-21 2426615 1931-09-30 21 SVO
-45 8.6 2426973 1932-09-22 2426950 1932-08-30 23 SVO
-44 8.4 2427296 1933-08-11 2427284 1933-07-30 12 SVO
-43 8.4 2427628 1934-07-09 2427619 1934-06-30 9 SVO
-42 7.8 2427954 1935-05-31 2427954 1935-05-31 0 SVO
-41 9.4 2428288 1936-04-29 2428288 1936-04-29 0 SVO
-40 8.6 2428613 1937-03-20 2428623 1937-03-30 -10 SVO
-39 8.7 2428951 1938-02-21 2428957 1938-02-27 -6 SVO
-38 8.6 2429294 1939-01-30 2429292 1939-01-28 2 SVO
-37 8.2 2429622 1939-12-24 2429627 1939-12-29 -5 SVO
-36 9.5 2429955 1940-11-21 2429961 1940-11-27 -6 SVO
-35 8.4 2430286 1941-10-18 2430296 1941-10-28 -10 SVO
-34 8.6 2430626 1942-09-23 2430630 1942-09-27 -4 AAVSO
-33 8.0 2430944 1943-08-07 2430965 1943-08-28 -21 SVO
-32 8.8 2431292 1944-07-20 2431299 1944-07-27 -7 SVO
-31 8.5 2431632 1945-06-25 2431634 1945-06-27 -2 SVO
-30 8.3 2431964 1946-05-23 2431969 1946-05-28 -5 SVO
-29 8.2 2432291 1947-04-15 2432303 1947-04-27 -12 SVO
-28 7.7 2432623 1948-03-12 2432638 1948-03-27 -15 SVO
-27 9.0 2432960 1949-02-12 2432972 1949-02-24 -12 SVO
-26 8.6 2433294 1950-01-12 2433307 1950-01-25 -13 SVO
-25 9.6 2433629 1950-12-13 2433642 1950-12-26 -13 SVO
-24 8.3 2433963 1951-11-12 2433976 1951-11-25 -13 SVO
-23 9.3 2434301 1952-10-15 2434311 1952-10-25 -10 SVO
-22 8.2 2434634 1953-09-13 2434645 1953-09-24 -11 SVO
-21 8.5 2434974 1954-08-19 2434980 1954-08-25 -6 SVO
-20 9.1 2435306 1955-07-17 2435314 1955-07-25 -8 SVO
-19 8.0 2435646 1956-06-21 2435649 1956-06-24 -3 SVO
-18 9.3 2435993 1957-06-03 2435984 1957-05-25 9 SVO
-17 7.5 2436311 1958-04-17 2436318 1958-04-24 -7 SVO
-16 8.6 2436664 1959-04-05 2436653 1959-03-25 11 SVO
-15 8.2 2436998 1960-03-04 2436987 1960-02-22 11 SVO
-14 7.9 2437328 1961-01-28 2437322 1961-01-22 6 SVO
-13 9.1 2437671 1962-01-06 2437656 1961-12-22 15 SVO
-12 8.2 2438004 1962-12-05 2437991 1962-11-22 13 SVO
-11 8.7 2438334 1963-10-31 2438326 1963-10-23 8 AAVSO
-10 8.0 2438666 1964-09-27 2438660 1964-09-21 6 SVO
-9 8.8 2438996 1965-08-23 2438995 1965-08-22 1 AAVSO
-8 8.0 2439323 1966-07-16 2439329 1966-07-22 -6 SVO
-7 8.3 2439656 1967-06-14 2439664 1967-06-22 -8 SVO
-6 8.2 2439993 1968-05-16 2439999 1968-05-22 -6 SVO
-5 8.3 2440322 1969-04-10 2440333 1969-04-21 -11 SVO
-4 8.6 2440652 1970-03-06 2440668 1970-03-22 -16 AAVSO
-3 9.0 2440990 1971-02-07 2441002 1971-02-19 -12 AAVSO
-2   2441320 1972-01-03 2441337 1972-01-20 -17 AAVSO
-1   2441658 1972-12-06 2441671 1972-12-19 -13 AAVSO
0 8.3 2441990 1973-11-03 2442006 1973-11-19 -16 SVO
1 8.6 2442338 1974-10-17 2442341 1974-10-20 -3 AAVSO
2 8.1 2442667 1975-09-11 2442675 1975-09-19 -8 AAVSO
3 8.2 2443003 1976-08-12 2443010 1976-08-19 -7 AAVSO
4 8.6 2443342 1977-07-17 2443344 1977-07-19 -2 SVO
5 7.9 2443667 1978-06-07 2443679 1978-06-19 -12 SVO
6 8.4 2443999 1979-05-05 2444013 1979-05-19 -14 SVO
7 8.8 2444338 1980-04-08 2444348 1980-04-18 -10 SVO
8 7.9 2444673 1981-03-09 2444683 1981-03-19 -10 SVO
9 9.2 2445007 1982-02-06 2445017 1982-02-16 -10 SVO
10 8.3 2445335 1982-12-31 2445352 1983-01-17 -17 SVO
11 8.6 2445661 1983-11-22 2445686 1983-12-17 -25 SVO
12 8.5 2446004 1984-10-30 2446021 1984-11-16 -17 SVO
13 8.5 2446330 1985-09-21 2446356 1985-10-17 -26 AAVSO
14 8.5 2446668 1986-08-25 2446690 1986-09-16 -22 SVO
15 8.5 2447017 1987-08-09 2447025 1987-08-17 -8 SVO
16 7.5 2447336 1988-06-23 2447359 1988-07-16 -23 SVO
17 9.8 2447678 1989-05-31 2447694 1989-06-16 -16 SVO
18 8.1 2447994 1990-04-12 2448028 1990-05-16 -34 SVO
19 9.9 2448339 1991-03-23 2448363 1991-04-16 -24 SVO
20 7.8 2448658 1992-02-05 2448698 1992-03-16 -40 SVO
21 8.5 2449003 1993-01-15 2449032 1993-02-13 -29 SVO
22 7.7 2449326 1993-12-04 2449367 1994-01-14 -41 SVO
23 8.2 2449652 1994-10-26 2449701 1994-12-14 -49 SVO
24 8.2 2449982 1995-09-21 2450036 1995-11-14 -54 SVO
25 9.0 2450316 1996-08-20 2450371 1996-10-14 -55 SVO
26 8.0 2450636 1997-07-06 2450705 1997-09-13 -69 SVO
27 9.0 2450971 1998-06-06 2451040 1998-08-14 -69 SVO
28 8.3 2451306 1999-05-07 2451374 1999-07-14 -68 SVO
29 7.8 2451631 2000-03-27 2451709 2000-06-13 -78 SVO
30 8.7 2451963 2001-02-22 2452043 2001-05-13 -80 SVO
31 8.0 2452297 2002-01-22 2452378 2002-04-13 -81 SVO
32 8.3 2452637 2002-12-28 2452713 2003-03-14 -76 SVO
33 8.4 2452978 2003-12-04 2453047 2004-02-11 -69 SVO
34 8.1 2453309 2004-10-30 2453382 2005-01-11 -73 SVO
35 8.3 2453648 2005-10-04 2453716 2005-12-11 -68 SVO
36 8.5 2453988 2006-09-09 2454051 2006-11-11 -63 SVO
37 8.7 2454327 2007-08-14 2454385 2007-10-11 -58 SVO
38 8.3 2454673 2008-07-25 2454720 2008-09-10 -47 SVO
39 7.8 2454997 2009-06-14 2455055 2009-08-11 -58 SVO
40 8.6 2455334 2010-05-17 2455389 2010-07-11 -55 SVO
41 9.0 2455672 2011-04-20 2455724 2011-06-11 -52 SVO
42 9.0 2456003 2012-03-16 2456058 2012-05-10 -55 AAVSO
43 8.2 2456341 2013-02-17 2456393 2013-04-10 -52 SVO
44 8.7 2456681 2014-01-23 2456728 2014-03-11 -47 SVO
45 8.0 2457022 2014-12-30 2457062 2015-02-08 -40 SVO
46 8.6 2457355 2015-11-28 2457397 2016-01-09 -42 SVO
47 8.6 2457689 2016-10-27 2457731 2016-12-08 -42 SVO
48 8.0 2458023 2017-09-26 2458066 2017-11-08 -43 SVO
49 8.8 2458364 2018-09-02 2458400 2018-10-08 -36 SVO
50 8.0 2458709 2019-08-13 2458735 2019-09-08 -26 SVO
51 8.5 2459048 2020-07-17 2459070 2020-08-08 -22 SVO
52 7.9 2459377 2021-06-11 2459404 2021-07-08 -27 SVO
53 8.0 2459708 2022-05-08 2459739 2022-06-08 -31 SVO
54 7.4 2460039 2023-04-04 2460073 2023-05-08 -34 SVO
55 8.1 2460377 2024-03-07 2460408 2024-04-07 -31 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.