Maxima for RY And
Period: 392.57, Epoch: 2453411.8

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-74   2424357 1925-07-25 2424361 1925-07-29 -4 GuL, 1934, 2.1
-73   2424716 1926-07-19 2424754 1926-08-26 -38 GuL, 1934, 2.1
-71   2425519 1928-09-29 2425539 1928-10-19 -20 GuL, 1934, 2.1
-70   2425916 1929-10-31 2425932 1929-11-16 -16 GuL, 1934, 2.1
-68   2426723 1932-01-16 2426717 1932-01-10 6 GuL, 1934, 2.1
-67   2427115 1933-02-11 2427109 1933-02-05 6 AN, 1948, vol 276, p 11
-66   2427508 1934-03-11 2427502 1934-03-05 6 AN, 1948, vol 276, p 11
-60 11.0 2429880 1940-09-07 2429857 1940-08-15 23 SVO
-59 10.0 2430245 1941-09-07 2430250 1941-09-12 -5 SVO
-58   2430642 1942-10-09 2430643 1942-10-10 -1 MitVS, 1943, vol 1, p 46
-57 10.9 2431037 1943-11-08 2431035 1943-11-06 2 SVO
-46   2435321 1955-08-01 2435353 1955-09-02 -32 JRASC, 1957, vol 51, p 259
-45 10.7 2435715 1956-08-29 2435746 1956-09-29 -31 SVO
-44 11.2 2436125 1957-10-13 2436139 1957-10-27 -14 SVO
-43 10.2 2436519 1958-11-11 2436531 1958-11-23 -12 SVO
-42 11.4 2436906 1959-12-03 2436924 1959-12-21 -18 SVO
-41 10.8 2437309 1961-01-09 2437316 1961-01-16 -7 SVO
-38 10.7 2438506 1964-04-20 2438494 1964-04-08 12 SVO
-36   2439295 1966-06-18 2439279 1966-06-02 16 MitVS, 1969, vol 5, p 93
-35   2439681 1967-07-09 2439672 1967-06-30 9 MitVS, 1969, vol 5, p 93
-34   2440060 1968-07-22 2440064 1968-07-26 -4 MitVS, 1969, vol 5, p 93
-33 10.4 2440463 1969-08-29 2440457 1969-08-23 6 SVO
-32 10.7 2440878 1970-10-18 2440849 1970-09-19 29 SVO
-31 11.0 2441266 1971-11-10 2441242 1971-10-17 24 SVO
-30 10.4 2441656 1972-12-04 2441635 1972-11-13 21 SVO
-29 10.3 2442056 1974-01-08 2442027 1973-12-10 29 SVO
-21 10.7 2445195 1982-08-13 2445168 1982-07-17 27 SVO
-20   2445563 1983-08-16 2445560 1983-08-13 3 AFOEV
-19 10.9 2445962 1984-09-18 2445953 1984-09-09 9 SVO
-18 10.8 2446355 1985-10-16 2446345 1985-10-06 10 SVO
-17 10.6 2446754 1986-11-19 2446738 1986-11-03 16 SVO
-16 10.5 2447140 1987-12-10 2447131 1987-12-01 9 SVO
-15   2447551 1989-01-24 2447523 1988-12-27 28 AFOEV
-9 10.7 2449910 1995-07-11 2449879 1995-06-10 31 SVO
-8 10.8 2450282 1996-07-17 2450271 1996-07-06 11 SVO
-7 10.1 2450687 1997-08-26 2450664 1997-08-03 23 SVO
-6 11.4 2451075 1998-09-18 2451056 1998-08-30 19 SVO
-5 10.7 2451463 1999-10-11 2451449 1999-09-27 14 SVO
-4 10.9 2451845 2000-10-27 2451841 2000-10-23 4 SVO
-3 10.3 2452243 2001-11-29 2452234 2001-11-20 9 SVO
-2 10.6 2452624 2002-12-15 2452627 2002-12-18 -3 SVO
-1 10.2 2453011 2004-01-06 2453019 2004-01-14 -8 SVO
0 11.4 2453404 2005-02-02 2453412 2005-02-10 -8 SVO
1 10.4 2453803 2006-03-08 2453804 2006-03-09 -1 SVO
3 10.4 2454576 2008-04-19 2454589 2008-05-02 -13 SVO
4 11.0 2454961 2009-05-09 2454982 2009-05-30 -21 SVO
5 10.7 2455349 2010-06-01 2455375 2010-06-27 -26 SVO
6 10.6 2455738 2011-06-25 2455767 2011-07-24 -29 SVO
7 10.4 2456143 2012-08-03 2456160 2012-08-20 -17 SVO
8 10.5 2456531 2013-08-26 2456552 2013-09-16 -21 SVO
9 10.6 2456925 2014-09-24 2456945 2014-10-14 -20 SVO
10 11.3 2457318 2015-10-22 2457338 2015-11-11 -20 SVO
11 10.6 2457718 2016-11-25 2457730 2016-12-07 -12 SVO
12 10.6 2458097 2017-12-09 2458123 2018-01-04 -26 SVO
13 11.4 2458493 2019-01-09 2458515 2019-01-31 -22 SVO
14 11.1 2458888 2020-02-08 2458908 2020-02-28 -20 SVO
15 10.7 2459281 2021-03-07 2459300 2021-03-26 -19 SVO
16 11.1 2459684 2022-04-14 2459693 2022-04-23 -9 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.