Maxima for R Gru
Period: 332.71, Epoch: 2440994.9
AAVSO offset: -2

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-86   2412409 1892-11-06 2412382 1892-10-10 27 GuL, 1920, 1.2
-84   2413072 1894-08-31 2413047 1894-08-06 25 AnHar, 1909, vol 55, p 95
-83   2413405 1895-07-30 2413380 1895-07-05 25 AnHar, 1952, vol 115, GuL, 1920, 1.2
-81   2414085 1897-06-09 2414046 1897-05-01 39 GuL, 1920, 1.2
-77 6.9 2415381 1900-12-27 2415376 1900-12-22 5 SVO
-76 8.2 2415709 1901-11-20 2415709 1901-11-20 0 SVO
-75 8.2 2416053 1902-10-30 2416042 1902-10-19 11 SVO
-74 7.2 2416383 1903-09-25 2416374 1903-09-16 9 SVO
-73 7.1 2416708 1904-08-15 2416707 1904-08-14 1 SVO
-72   2417037 1905-07-10 2417040 1905-07-13 -3 AnHar, 1952, vol 115, GuL, 1920, 1.2
-71   2417350 1906-05-19 2417373 1906-06-11 -23 AnHar, 1952, vol 115
-70   2417700 1907-05-04 2417705 1907-05-09 -5 AnHar, 1952, vol 115
-64 7.4 2419685 1912-10-09 2419702 1912-10-26 -17 SVO
-63   2420025 1913-09-14 2420034 1913-09-23 -9 AnHar, 1952, vol 115
-62   2420335 1914-07-21 2420367 1914-08-22 -32 AnHar, 1952, vol 115
-61 6.9 2420685 1915-07-06 2420700 1915-07-21 -15 SVO
-60   2421025 1916-06-10 2421032 1916-06-17 -7 AnHar, 1952, vol 115
-55 9.4 2422708 1921-01-18 2422696 1921-01-06 12 SVO
-54 8.8 2423040 1921-12-16 2423029 1921-12-05 11 AAVSO
-53 8.3 2423372 1922-11-13 2423361 1922-11-02 11 SVO
-52 8.0 2423700 1923-10-07 2423694 1923-10-01 6 SVO
-51 8.2 2424042 1924-09-13 2424027 1924-08-29 15 SVO
-50 8.1 2424370 1925-08-07 2424359 1925-07-27 11 SVO
-49 7.9 2424703 1926-07-06 2424692 1926-06-25 11 SVO
-48 7.8 2425031 1927-05-30 2425025 1927-05-24 6 AAVSO
-47 7.7 2425371 1928-05-04 2425358 1928-04-21 13 AAVSO
-46 9.3 2425707 1929-04-05 2425690 1929-03-19 17 AAVSO
-45 8.4 2426038 1930-03-02 2426023 1930-02-15 15 SVO
-44 8.7 2426371 1931-01-29 2426356 1931-01-14 15 SVO
-43 7.7 2426701 1931-12-25 2426688 1931-12-12 13 AAVSO
-42 8.9 2427030 1932-11-18 2427021 1932-11-09 9 SVO
-41 8.5 2427363 1933-10-17 2427354 1933-10-08 9 SVO
-40 8.1 2427693 1934-09-12 2427687 1934-09-06 6 SVO
-39 8.6 2428028 1935-08-13 2428019 1935-08-04 9 SVO
-38 7.9 2428363 1936-07-13 2428352 1936-07-02 11 SVO
-37 7.7 2428685 1937-05-31 2428685 1937-05-31 0 SVO
-36 8.0 2429025 1938-05-06 2429017 1938-04-28 8 SVO
-35 8.2 2429359 1939-04-05 2429350 1939-03-27 9 AAVSO
-34 7.2 2429673 1940-02-13 2429683 1940-02-23 -10 SVO
-33 9.4 2430007 1941-01-12 2430016 1941-01-21 -9 SVO
-32 8.5 2430347 1941-12-18 2430348 1941-12-19 -1 SVO
-31 8.8 2430681 1942-11-17 2430681 1942-11-17 0 SVO
-30 8.0 2431009 1943-10-11 2431014 1943-10-16 -5 SVO
-29 7.9 2431340 1944-09-06 2431346 1944-09-12 -6 SVO
-28 7.8 2431678 1945-08-10 2431679 1945-08-11 -1 SVO
-27 8.3 2432009 1946-07-07 2432012 1946-07-10 -3 SVO
-26 7.9 2432347 1947-06-10 2432345 1947-06-08 2 SVO
-25 7.8 2432674 1948-05-02 2432677 1948-05-05 -3 SVO
-24 8.3 2433017 1949-04-10 2433010 1949-04-03 7 SVO
-23 7.9 2433348 1950-03-07 2433343 1950-03-02 5 SVO
-22 8.8 2433688 1951-02-10 2433675 1951-01-28 13 SVO
-21 8.2 2434019 1952-01-07 2434008 1951-12-27 11 SVO
-20 8.1 2434356 1952-12-09 2434341 1952-11-24 15 SVO
-19 8.3 2434695 1953-11-13 2434673 1953-10-22 22 SVO
-18 9.2 2435029 1954-10-13 2435006 1954-09-20 23 SVO
-17 7.9 2435354 1955-09-03 2435339 1955-08-19 15 SVO
-16 9.3 2435688 1956-08-02 2435672 1956-07-17 16 SVO
-15 8.2 2436018 1957-06-28 2436004 1957-06-14 14 SVO
-14 9.5 2436358 1958-06-03 2436337 1958-05-13 21 SVO
-13 7.5 2436668 1959-04-09 2436670 1959-04-11 -2 SVO
-12 8.6 2437008 1960-03-14 2437002 1960-03-08 6 SVO
-11 8.4 2437345 1961-02-14 2437335 1961-02-04 10 SVO
-10 8.3 2437676 1962-01-11 2437668 1962-01-03 8 SVO
-9 7.8 2438006 1962-12-07 2438001 1962-12-02 5 SVO
-8 8.4 2438320 1963-10-17 2438333 1963-10-30 -13 SVO
-7 7.7 2438643 1964-09-04 2438666 1964-09-27 -23 SVO
-6 8.0 2438972 1965-07-30 2438999 1965-08-26 -27 SVO
-5 8.7 2439308 1966-07-01 2439331 1966-07-24 -23 SVO
-4 8.1 2439630 1967-05-19 2439664 1967-06-22 -34 SVO
-3 8.4 2439956 1968-04-09 2439997 1968-05-20 -41 SVO
-2 8.0 2440295 1969-03-14 2440330 1969-04-18 -35 SVO
-1 8.4 2440631 1970-02-13 2440662 1970-03-16 -31 SVO
0 7.9 2440959 1971-01-07 2440995 1971-02-12 -36 SVO
1 7.9 2441286 1971-11-30 2441328 1972-01-11 -42 SVO
2 7.9 2441610 1972-10-19 2441660 1972-12-08 -50 SVO
3 8.0 2441949 1973-09-23 2441993 1973-11-06 -44 SVO
4 7.9 2442285 1974-08-25 2442326 1974-10-05 -41 SVO
5 8.7 2442616 1975-07-22 2442658 1975-09-02 -42 SVO
6 7.3 2442944 1976-06-14 2442991 1976-07-31 -47 SVO
7 9.4 2443271 1977-05-07 2443324 1977-06-29 -53 AAVSO
8 8.8 2443617 1978-04-18 2443657 1978-05-28 -40 AAVSO
9 8.7 2443969 1979-04-05 2443989 1979-04-25 -20 SVO
10 7.6 2444297 1980-02-27 2444322 1980-03-23 -25 AAVSO
11 8.4 2444631 1981-01-26 2444655 1981-02-19 -24 SVO
12 8.7 2444973 1982-01-03 2444987 1982-01-17 -14 SVO
13 7.9 2445300 1982-11-26 2445320 1982-12-16 -20 SVO
14 8.1 2445640 1983-11-01 2445653 1983-11-14 -13 SVO
15 7.7 2445976 1984-10-02 2445986 1984-10-12 -10 SVO
16 9.2 2446319 1985-09-10 2446318 1985-09-09 1 SVO
17 8.1 2446653 1986-08-10 2446651 1986-08-08 2 SVO
18 8.5 2446992 1987-07-15 2446984 1987-07-07 8 SVO
19   2447318 1988-06-05 2447316 1988-06-03 2 AAVSO
20   2447651 1989-05-04 2447649 1989-05-02 2 AAVSO
21 8.6 2447993 1990-04-11 2447982 1990-03-31 11 SVO
22 7.6 2448308 1991-02-20 2448315 1991-02-27 -7 SVO
23 8.8 2448661 1992-02-08 2448647 1992-01-25 14 SVO
24 8.0 2448987 1992-12-30 2448980 1992-12-23 7 SVO
25 7.9 2449310 1993-11-18 2449313 1993-11-21 -3 SVO
26 7.5 2449632 1994-10-06 2449645 1994-10-19 -13 SVO
27 8.8 2449971 1995-09-10 2449978 1995-09-17 -7 SVO
28 8.2 2450304 1996-08-08 2450311 1996-08-15 -7 SVO
29 8.2 2450628 1997-06-28 2450643 1997-07-13 -15 SVO
30 8.1 2450963 1998-05-29 2450976 1998-06-11 -13 SVO
31   2451296 1999-04-27 2451309 1999-05-10 -13 AAVSO
32   2451626 2000-03-22 2451642 2000-04-07 -16 AAVSO
33   2451966 2001-02-25 2451974 2001-03-05 -8 AAVSO
34 7.9 2452306 2002-01-31 2452307 2002-02-01 -1 SVO
35 7.8 2452654 2003-01-14 2452640 2002-12-31 14 SVO
36 8.0 2452983 2003-12-09 2452972 2003-11-28 11 SVO
37 8.0 2453311 2004-11-01 2453305 2004-10-26 6 SVO
38 7.5 2453643 2005-09-29 2453638 2005-09-24 5 SVO
39 7.8 2453983 2006-09-04 2453971 2006-08-23 12 SVO
40 7.5 2454305 2007-07-23 2454303 2007-07-21 2 SVO
41 7.1 2454634 2008-06-16 2454636 2008-06-18 -2 SVO
42 7.7 2454968 2009-05-16 2454969 2009-05-17 -1 AAVSO
43 7.9 2455298 2010-04-11 2455301 2010-04-14 -3 AAVSO
44 8.5 2455647 2011-03-26 2455634 2011-03-13 13 AAVSO
45   2455981 2012-02-23 2455967 2012-02-09 14 AAVSO
46   2456324 2013-01-31 2456300 2013-01-07 24 AAVSO
47 7.7 2456651 2013-12-24 2456632 2013-12-05 19 SVO
48 8.0 2456981 2014-11-19 2456965 2014-11-03 16 SVO
49 8.7 2457313 2015-10-17 2457298 2015-10-02 15 SVO
50 8.0 2457663 2016-10-01 2457630 2016-08-29 33 SVO
51 7.6 2457979 2017-08-13 2457963 2017-07-28 16 SVO
52 7.5 2458306 2018-07-06 2458296 2018-06-26 10 SVO
53 8.3 2458650 2019-06-15 2458628 2019-05-24 22 SVO
54   2458970 2020-04-30 2458961 2020-04-21 9 SVO
55 8.2 2459319 2021-04-14 2459294 2021-03-20 25 SVO
56 8.2 2459667 2022-03-28 2459627 2022-02-16 40 SVO
57 7.3 2459981 2023-02-05 2459959 2023-01-14 22 SVO
58 8.8 2460335 2024-01-25 2460292 2023-12-13 43 SVO
59 8.0 2460664 2024-12-19 2460625 2024-11-10 39 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.