Maxima for R Hor
Period: 407.6, Epoch: 2441494
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-75   2411231 1889-08-16 2410924 1888-10-13 307 AnHar, 1937, vol 105, p 459
-71   2412809 1893-12-11 2412554 1893-03-31 255 AnHar, 1909, vol 55, p 95
-70   2413229 1895-02-04 2412962 1894-05-13 267 AnHar, 1909, vol 55, p 95
-69 5.5 2413607 1896-02-17 2413370 1895-06-25 237 SVO
-68   2414024 1897-04-09 2413777 1896-08-05 247 AnHar, 1909, vol 55, p 95
-66 5.7 2414835 1899-06-29 2414592 1898-10-29 243 SVO
-65 4.4 2415210 1900-07-09 2415000 1899-12-11 210 SVO
-64 5.6 2415624 1901-08-27 2415408 1901-01-23 216 SVO
-63   2416030 1902-10-07 2415815 1902-03-06 215 AnHar, 1952, vol 115
-62 4.2 2416401 1903-10-13 2416223 1903-04-18 178 SVO
-61   2416807 1904-11-22 2416630 1904-05-29 177 AnHar, 1909, vol 55, p 95
-60   2417200 1905-12-20 2417038 1905-07-11 162 AnHar, 1952, vol 115
-58 5.4 2417984 1908-02-12 2417853 1907-10-04 131 SVO
-57   2418383 1909-03-17 2418261 1908-11-15 122 GuL, 1918, 1.1
-55 5.8 2419194 1911-06-06 2419076 1911-02-08 118 SVO
-54 5.2 2419599 1912-07-15 2419484 1912-03-22 115 SVO
-53   2420010 1913-08-30 2419891 1913-05-03 119 AnHar, 1952, vol 115
-52   2420400 1914-09-24 2420299 1914-06-15 101 AnHar, 1952, vol 115
-51 5.7 2420812 1915-11-10 2420706 1915-07-27 106 SVO
-50   2421214 1916-12-16 2421114 1916-09-07 100 AnHar, 1952, vol 115, CiUO, 1918, vol 42, p 347
-49   2421618 1918-01-24 2421522 1917-10-20 96 CiUO, 1918, vol 42, p 347
-48 5.1 2422035 1919-03-17 2421929 1918-12-01 106 SVO
-47 6.6 2422444 1920-04-29 2422337 1920-01-13 107 SVO
-46 5.0 2422836 1921-05-26 2422744 1921-02-23 92 SVO
-45 6.5 2423260 1922-07-24 2423152 1922-04-07 108 AAVSO
-44 6.3 2423662 1923-08-30 2423560 1923-05-20 102 SVO
-43 6.2 2424057 1924-09-28 2423967 1924-06-30 90 SVO
-42 5.8 2424459 1925-11-04 2424375 1925-08-12 84 SVO
-41 5.5 2424856 1926-12-06 2424782 1926-09-23 74 SVO
-40 5.4 2425257 1928-01-11 2425190 1927-11-05 67 SVO
-39 6.4 2425666 1929-02-23 2425598 1928-12-17 68 SVO
-38 5.4 2426066 1930-03-30 2426005 1930-01-28 61 SVO
-37 5.9 2426462 1931-04-30 2426413 1931-03-12 49 SVO
-36 5.6 2426861 1932-06-02 2426820 1932-04-22 41 SVO
-35 5.7 2427260 1933-07-06 2427228 1933-06-04 32 SVO
-34 5.8 2427663 1934-08-13 2427636 1934-07-17 27 SVO
-33 5.7 2428070 1935-09-24 2428043 1935-08-28 27 SVO
-32 5.6 2428470 1936-10-28 2428451 1936-10-09 19 SVO
-31 5.8 2428877 1937-12-09 2428858 1937-11-20 19 SVO
-30 6.0 2429288 1939-01-24 2429266 1939-01-02 22 SVO
-29 6.1 2429693 1940-03-04 2429674 1940-02-14 19 SVO
-28 5.5 2430103 1941-04-18 2430081 1941-03-27 22 SVO
-27 6.3 2430508 1942-05-28 2430489 1942-05-09 19 SVO
-26 5.9 2430916 1943-07-10 2430896 1943-06-20 20 SVO
-25 5.5 2431324 1944-08-21 2431304 1944-08-01 20 SVO
-24 7.6 2431734 1945-10-05 2431712 1945-09-13 22 SVO
-23 6.0 2432129 1946-11-04 2432119 1946-10-25 10 SVO
-22 6.0 2432529 1947-12-09 2432527 1947-12-07 2 SVO
-21 5.6 2432927 1949-01-10 2432934 1949-01-17 -7 SVO
-20 5.6 2433325 1950-02-12 2433342 1950-03-01 -17 SVO
-19 5.4 2433741 1951-04-04 2433750 1951-04-13 -9 SVO
-18 6.3 2434145 1952-05-12 2434157 1952-05-24 -12 SVO
-17 5.6 2434551 1953-06-22 2434565 1953-07-06 -14 SVO
-16 6.7 2434972 1954-08-17 2434972 1954-08-17 0 SVO
-15 5.9 2435374 1955-09-23 2435380 1955-09-29 -6 SVO
-14 6.1 2435771 1956-10-24 2435788 1956-11-10 -17 SVO
-13 5.8 2436187 1957-12-14 2436195 1957-12-22 -8 SVO
-12 5.9 2436591 1959-01-22 2436603 1959-02-03 -12 SVO
-11 4.9 2436997 1960-03-03 2437010 1960-03-16 -13 SVO
-10 7.1 2437415 1961-04-25 2437418 1961-04-28 -3 SVO
-9 6.2 2437829 1962-06-13 2437826 1962-06-10 3 SVO
-8 6.4 2438240 1963-07-29 2438233 1963-07-22 7 SVO
-7 5.9 2438651 1964-09-12 2438641 1964-09-02 10 SVO
-6 7.0 2439059 1965-10-25 2439048 1965-10-14 11 SVO
-5 5.5 2439462 1966-12-02 2439456 1966-11-26 6 SVO
-4 6.1 2439881 1968-01-25 2439864 1968-01-08 17 SVO
-3 5.2 2440274 1969-02-21 2440271 1969-02-18 3 SVO
-2 6.0 2440690 1970-04-13 2440679 1970-04-02 11 SVO
-1 5.9 2441088 1971-05-16 2441086 1971-05-14 2 SVO
0 6.3 2441497 1972-06-28 2441494 1972-06-25 3 SVO
1 5.1 2441892 1973-07-28 2441902 1973-08-07 -10 SVO
2 6.3 2442305 1974-09-14 2442309 1974-09-18 -4 SVO
3 6.2 2442698 1975-10-12 2442717 1975-10-31 -19 SVO
4 6.4 2443095 1976-11-12 2443124 1976-12-11 -29 SVO
5 5.7 2443495 1977-12-17 2443532 1978-01-23 -37 SVO
6 5.9 2443897 1979-01-23 2443940 1979-03-07 -43 SVO
7 5.3 2444285 1980-02-15 2444347 1980-04-17 -62 SVO
8 5.2 2444670 1981-03-06 2444755 1981-05-30 -85 SVO
9 6.6 2445078 1982-04-18 2445162 1982-07-11 -84 SVO
10 6.1 2445473 1983-05-18 2445570 1983-08-23 -97 SVO
11 5.6 2445864 1984-06-12 2445978 1984-10-04 -114 SVO
12 5.8 2446274 1985-07-27 2446385 1985-11-15 -111 SVO
13 6.1 2446674 1986-08-31 2446793 1986-12-28 -119 SVO
14 6.0 2447082 1987-10-13 2447200 1988-02-08 -118 SVO
15 5.3 2447488 1988-11-22 2447608 1989-03-22 -120 SVO
16 5.7 2447901 1990-01-09 2448016 1990-05-04 -115 SVO
17 6.2 2448318 1991-03-02 2448423 1991-06-15 -105 SVO
18 5.6 2448729 1992-04-16 2448831 1992-07-27 -102 SVO
19 5.5 2449139 1993-05-31 2449238 1993-09-07 -99 SVO
20 5.4 2449541 1994-07-07 2449646 1994-10-20 -105 SVO
21 5.7 2449956 1995-08-26 2450054 1995-12-02 -98 SVO
22 6.0 2450359 1996-10-02 2450461 1997-01-12 -102 SVO
23 5.8 2450762 1997-11-09 2450869 1998-02-24 -107 SVO
24 5.3 2451170 1998-12-22 2451276 1999-04-07 -106 SVO
25 6.5 2451583 2000-02-08 2451684 2000-05-19 -101 SVO
26 4.9 2451981 2001-03-12 2452092 2001-07-01 -111 SVO
27 5.1 2452388 2002-04-23 2452499 2002-08-12 -111 SVO
28 5.9 2452787 2003-05-27 2452907 2003-09-24 -120 SVO
29 5.5 2453195 2004-07-08 2453314 2004-11-04 -119 SVO
30 6.5 2453608 2005-08-25 2453722 2005-12-17 -114 SVO
31 5.8 2454011 2006-10-02 2454130 2007-01-29 -119 SVO
32 5.8 2454419 2007-11-14 2454537 2008-03-11 -118 SVO
33 5.3 2454824 2008-12-23 2454945 2009-04-23 -121 SVO
34 6.3 2455230 2010-02-02 2455352 2010-06-04 -122 SVO
35 5.7 2455647 2011-03-26 2455760 2011-07-17 -113 SVO
36 5.2 2456048 2012-04-30 2456168 2012-08-28 -120 SVO
37 6.0 2456458 2013-06-14 2456575 2013-10-09 -117 SVO
38 5.2 2456845 2014-07-06 2456983 2014-11-21 -138 SVO
39 6.2 2457250 2015-08-15 2457390 2016-01-02 -140 SVO
40 5.8 2457652 2016-09-20 2457798 2017-02-13 -146 SVO
41 6.3 2458055 2017-10-28 2458206 2018-03-28 -151 SVO
42 5.7 2458452 2018-11-29 2458613 2019-05-09 -161 SVO
43 5.8 2458849 2019-12-31 2459021 2020-06-20 -172 SVO
44 5.7 2459258 2021-02-12 2459428 2021-08-01 -170 SVO
45   2459665 2022-03-26 2459836 2022-09-13 -171 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.