Maxima for R PsA
Period: 292.78, Epoch: 2440803.7
AAVSO offset: 2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-97   2412396 1892-10-24 2412404 1892-11-01 -8 GuL, 1920, 1.2
-93   2413548 1895-12-20 2413575 1896-01-16 -27 AnHar, 1909, vol 55, p 95
-88   2415026 1900-01-06 2415039 1900-01-19 -13 PLPla, 1950, vol 26, p 5
-87 7.5 2415328 1900-11-04 2415332 1900-11-08 -4 SVO
-86 8.6 2415629 1901-09-01 2415624 1901-08-27 5 SVO
-85 8.0 2415928 1902-06-27 2415917 1902-06-16 11 SVO
-81   2417100 1905-09-11 2417088 1905-08-30 12 AnHar, 1952, vol 115
-80   2417385 1906-06-23 2417381 1906-06-19 4 AnHar, 1952, vol 115
-75   2418860 1910-07-07 2418845 1910-06-22 15 AnHar, 1952, vol 115
-71   2420015 1913-09-04 2420016 1913-09-05 -1 AnHar, 1952, vol 115
-67   2421180 1916-11-12 2421187 1916-11-19 -7 AnHar, 1952, vol 115
-61 9.6 2422941 1921-09-08 2422944 1921-09-11 -3 AAVSO
-60 9.0 2423235 1922-06-29 2423237 1922-07-01 -2 AAVSO
-57   2424132 1924-12-12 2424115 1924-11-25 17 AAVSO
-56   2424425 1925-10-01 2424408 1925-09-14 17 AnHar, 1952, vol 115
-55   2424705 1926-07-08 2424701 1926-07-04 4 AnHar, 1952, vol 115
-52   2425580 1928-11-29 2425579 1928-11-28 1 AnHar, 1952, vol 115
-51 8.9 2425894 1929-10-09 2425872 1929-09-17 22 AAVSO
-50   2426192 1930-08-03 2426165 1930-07-07 27 AAVSO
-49   2426500 1931-06-07 2426457 1931-04-25 43 AnHar, 1952, vol 115
-46   2427348 1933-10-02 2427336 1933-09-20 12 AAVSO
-45   2427643 1934-07-24 2427628 1934-07-09 15 AAVSO
-42 9.0 2428517 1936-12-14 2428507 1936-12-04 10 AAVSO
-41 9.0 2428813 1937-10-06 2428800 1937-09-23 13 AAVSO
-40   2429120 1938-08-09 2429092 1938-07-12 28 AnHar, 1952, vol 115
-39   2429405 1939-05-21 2429385 1939-05-01 20 AnHar, 1952, vol 115
-38   2429687 1940-02-27 2429678 1940-02-18 9 AAVSO
-37   2429979 1940-12-15 2429971 1940-12-07 8 AAVSO
-36 10.1 2430272 1941-10-04 2430263 1941-09-25 9 AAVSO
-35 8.5 2430545 1942-07-04 2430556 1942-07-15 -11 AAVSO
-34   2430852 1943-05-07 2430849 1943-05-04 3 AAVSO
-32 9.5 2431442 1944-12-17 2431435 1944-12-10 7 AAVSO
-31 9.3 2431725 1945-09-26 2431727 1945-09-28 -2 SVO
-30 9.4 2432021 1946-07-19 2432020 1946-07-18 1 SVO
-29 8.5 2432308 1947-05-02 2432313 1947-05-07 -5 SVO
-28 8.8 2432596 1948-02-14 2432606 1948-02-24 -10 SVO
-27 8.8 2432897 1948-12-11 2432899 1948-12-13 -2 SVO
-26 9.0 2433194 1949-10-04 2433191 1949-10-01 3 SVO
-25 9.0 2433485 1950-07-22 2433484 1950-07-21 1 SVO
-24 8.7 2433771 1951-05-04 2433777 1951-05-10 -6 SVO
-23 9.1 2434076 1952-03-04 2434070 1952-02-27 6 AAVSO
-22 9.6 2434369 1952-12-22 2434362 1952-12-15 7 SVO
-21 8.8 2434652 1953-10-01 2434655 1953-10-04 -3 SVO
-20 9.4 2434953 1954-07-29 2434948 1954-07-24 5 SVO
-19 8.9 2435249 1955-05-21 2435241 1955-05-13 8 SVO
-18 9.1 2435539 1956-03-06 2435534 1956-03-01 5 SVO
-17 8.8 2435824 1956-12-16 2435826 1956-12-18 -2 SVO
-16 8.9 2436118 1957-10-06 2436119 1957-10-07 -1 SVO
-15 9.0 2436408 1958-07-23 2436412 1958-07-27 -4 SVO
-14 9.1 2436706 1959-05-17 2436705 1959-05-16 1 SVO
-13 8.5 2436991 1960-02-26 2436997 1960-03-03 -6 SVO
-12 8.6 2437278 1960-12-09 2437290 1960-12-21 -12 SVO
-11 9.3 2437571 1961-09-28 2437583 1961-10-10 -12 SVO
-10 8.6 2437856 1962-07-10 2437876 1962-07-30 -20 SVO
-9 9.3 2438150 1963-04-30 2438169 1963-05-19 -19 SVO
-8   2438437 1964-02-11 2438461 1964-03-06 -24 AAVSO
-7 8.8 2438732 1964-12-02 2438754 1964-12-24 -22 AAVSO
-6 8.7 2439025 1965-09-21 2439047 1965-10-13 -22 SVO
-5 8.9 2439320 1966-07-13 2439340 1966-08-02 -20 SVO
-4 8.8 2439611 1967-04-30 2439633 1967-05-22 -22 SVO
-3   2439902 1968-02-15 2439925 1968-03-09 -23 AAVSO
-2 8.8 2440197 1968-12-06 2440218 1968-12-27 -21 SVO
-1 9.0 2440508 1969-10-13 2440511 1969-10-16 -3 SVO
0 9.3 2440810 1970-08-11 2440804 1970-08-05 6 SVO
1   2441094 1971-05-22 2441096 1971-05-24 -2 AAVSO
2   2441389 1972-03-12 2441389 1972-03-12 0 AAVSO
3 9.6 2441675 1972-12-23 2441682 1972-12-30 -7 AAVSO
4 8.7 2441977 1973-10-21 2441975 1973-10-19 2 SVO
5 9.1 2442266 1974-08-06 2442268 1974-08-08 -2 SVO
6 8.4 2442566 1975-06-02 2442560 1975-05-27 6 AAVSO
7 9.0 2442856 1976-03-18 2442853 1976-03-15 3 AAVSO
8 9.1 2443145 1977-01-01 2443146 1977-01-02 -1 AAVSO
9 9.1 2443435 1977-10-18 2443439 1977-10-22 -4 SVO
10 8.6 2443726 1978-08-05 2443731 1978-08-10 -5 SVO
11 9.1 2444025 1979-05-31 2444024 1979-05-30 1 AAVSO
12   2444314 1980-03-15 2444317 1980-03-18 -3 AAVSO
13 9.0 2444594 1980-12-20 2444610 1981-01-05 -16 AAVSO
14 8.6 2444894 1981-10-16 2444903 1981-10-25 -9 SVO
15 9.1 2445181 1982-07-30 2445195 1982-08-13 -14 SVO
16 8.9 2445481 1983-05-26 2445488 1983-06-02 -7 AAVSO
17   2445768 1984-03-08 2445781 1984-03-21 -13 AAVSO
18 8.7 2446061 1984-12-26 2446074 1985-01-08 -13 SVO
19 8.8 2446360 1985-10-21 2446367 1985-10-28 -7 SVO
20 8.9 2446657 1986-08-14 2446659 1986-08-16 -2 SVO
21 8.7 2446942 1987-05-26 2446952 1987-06-05 -10 AAVSO
22   2447225 1988-03-04 2447245 1988-03-24 -20 AAVSO
23   2447515 1988-12-19 2447538 1989-01-11 -23 AAVSO
24 8.7 2447818 1989-10-18 2447830 1989-10-30 -12 SVO
25 8.9 2448110 1990-08-06 2448123 1990-08-19 -13 SVO
26   2448397 1991-05-20 2448416 1991-06-08 -19 AAVSO
27   2448689 1992-03-07 2448709 1992-03-27 -20 AAVSO
28   2448992 1993-01-04 2449002 1993-01-14 -10 AAVSO
29 9.1 2449292 1993-10-31 2449294 1993-11-02 -2 SVO
30 8.9 2449586 1994-08-21 2449587 1994-08-22 -1 SVO
31   2449874 1995-06-05 2449880 1995-06-11 -6 AAVSO
32   2450164 1996-03-21 2450173 1996-03-30 -9 AAVSO
33   2450476 1997-01-27 2450465 1997-01-16 11 AAVSO
34 9.8 2450768 1997-11-15 2450758 1997-11-05 10 SVO
35 8.6 2451052 1998-08-26 2451051 1998-08-25 1 SVO
36   2451337 1999-06-07 2451344 1999-06-14 -7 AAVSO
37   2451632 2000-03-28 2451637 2000-04-02 -5 AAVSO
38 9.0 2451928 2001-01-18 2451929 2001-01-19 -1 SVO
39 8.5 2452215 2001-11-01 2452222 2001-11-08 -7 SVO
40 8.9 2452513 2002-08-26 2452515 2002-08-28 -2 SVO
41 8.9 2452808 2003-06-17 2452808 2003-06-17 0 SVO
42   2453102 2004-04-06 2453101 2004-04-05 1 AAVSO
43 8.8 2453394 2005-01-23 2453393 2005-01-22 1 SVO
44 9.0 2453686 2005-11-11 2453686 2005-11-11 0 SVO
45 8.7 2453974 2006-08-26 2453979 2006-08-31 -5 SVO
46   2454266 2007-06-14 2454272 2007-06-20 -6 AAVSO
47 8.6 2454571 2008-04-14 2454564 2008-04-07 7 AAVSO
48   2454856 2009-01-24 2454857 2009-01-25 -1 AAVSO
49 8.6 2455141 2009-11-05 2455150 2009-11-14 -9 SVO
50 8.7 2455437 2010-08-28 2455443 2010-09-03 -6 SVO
51 8.5 2455736 2011-06-23 2455736 2011-06-23 0 AAVSO
52   2456033 2012-04-15 2456028 2012-04-10 5 AAVSO
53 9.4 2456313 2013-01-20 2456321 2013-01-28 -8 AAVSO
54 9.3 2456614 2013-11-17 2456614 2013-11-17 0 AAVSO
55 8.6 2456916 2014-09-15 2456907 2014-09-06 9 SVO
56 9.4 2457216 2015-07-12 2457200 2015-06-26 16 SVO
57 8.8 2457510 2016-05-01 2457492 2016-04-13 18 AAVSO
58   2457814 2017-03-01 2457785 2017-01-31 29 AAVSO
59 8.7 2458096 2017-12-08 2458078 2017-11-20 18 SVO
60 9.0 2458392 2018-09-30 2458371 2018-09-09 21 SVO
61 8.6 2458687 2019-07-22 2458663 2019-06-28 24 SVO
62   2458980 2020-05-10 2458956 2020-04-16 24 SVO
63   2459285 2021-03-11 2459249 2021-02-03 36 SVO
64 8.8 2459563 2021-12-14 2459542 2021-11-23 21 SVO
65 8.4 2459859 2022-10-06 2459835 2022-09-12 24 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.