Maxima for R Leo
Period: 309.95, Epoch: 2444164
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-260   2362875 1757-03-25 2363577 1759-02-25 -702 AnHar, 1909, vol 55, p 95
-231   2371991 1782-03-10 2372566 1783-10-06 -575 AnHar, 1909, vol 55, p 95
-217   2376396 1794-04-01 2376905 1795-08-23 -509 AnHar, 1909, vol 55, p 95
-210   2378577 1800-03-22 2379075 1801-08-02 -498 AnHar, 1909, vol 55, p 95
-209   2378867 1801-01-06 2379384 1802-06-07 -517 AnHar, 1909, vol 55, p 95
-189   2385115 1818-02-14 2385583 1819-05-28 -468 AnHar, 1909, vol 55, p 95
-176   2389167 1829-03-20 2389613 1830-06-09 -446 AnHar, 1909, vol 55, p 95
-175   2389474 1830-01-21 2389923 1831-04-15 -449 AnHar, 1909, vol 55, p 95
-163   2393249 1840-05-23 2393642 1841-06-20 -393 AnHar, 1909, vol 55, p 95
-155 5.3 2395738 1847-03-17 2396122 1848-04-04 -384 SVO
-154 5.7 2396045 1848-01-18 2396432 1849-02-08 -387 SVO
-153 5.4 2396367 1848-12-05 2396742 1849-12-15 -375 SVO
-152   2396681 1849-10-15 2397052 1850-10-21 -371 AnHar, 1909, vol 55, p 95
-150   2397301 1851-06-27 2397672 1852-07-02 -371 MNRAS, 1915, vol 76, p 158
-149   2397612 1852-05-03 2397981 1853-05-07 -369 AnHar, 1909, vol 55, p 95
-148 5.6 2397923 1853-03-10 2398291 1854-03-13 -368 SVO
-147 5.3 2398236 1854-01-17 2398601 1855-01-17 -365 SVO
-146   2398559 1854-12-06 2398911 1855-11-23 -352 AnHar, 1909, vol 55, p 95
-145   2398870 1855-10-13 2399221 1856-09-28 -351 AnHar, 1909, vol 55, p 95
-144   2399171 1856-08-09 2399531 1857-08-04 -360 MNRAS, 1915, vol 76, p 158
-143 5.4 2399490 1857-06-24 2399841 1858-06-10 -351 SVO
-142   2399802 1858-05-02 2400151 1859-04-16 -349 AnHar, 1909, vol 55, p 95
-141 5.5 2400115 1859-03-11 2400461 1860-02-20 -346 SVO
-140 6.1 2400426 1860-01-16 2400771 1860-12-26 -345 SVO
-139   2400732 1860-11-17 2401081 1861-11-01 -349 AnHar, 1909, vol 55, p 95
-138 5.6 2401040 1861-09-21 2401391 1862-09-07 -351 SVO
-137   2401355 1862-08-02 2401701 1863-07-14 -346 MNRAS, 1915, vol 76, p 158
-136 5.4 2401671 1863-06-14 2402011 1864-05-19 -340 SVO
-135 5.3 2401978 1864-04-16 2402321 1865-03-25 -343 SVO
-134 5.7 2402301 1865-03-05 2402631 1866-01-29 -330 SVO
-133 6.1 2402620 1866-01-18 2402941 1866-12-05 -321 SVO
-132 5.8 2402926 1866-11-20 2403251 1867-10-11 -325 SVO
-131   2403234 1867-09-24 2403561 1868-08-16 -327 AnHar, 1909, vol 55, p 95
-129   2403874 1869-06-25 2404180 1870-04-27 -306 AnHar, 1909, vol 55, p 95
-128 5.8 2404190 1870-05-07 2404490 1871-03-03 -300 SVO
-127 5.7 2404509 1871-03-22 2404800 1872-01-07 -291 SVO
-126 5.9 2404814 1872-01-21 2405110 1872-11-12 -296 SVO
-125 5.9 2405127 1872-11-29 2405420 1873-09-18 -293 SVO
-124 5.6 2405440 1873-10-08 2405730 1874-07-25 -290 SVO
-122 5.6 2406074 1875-07-04 2406350 1876-04-05 -276 SVO
-121   2406390 1876-05-15 2406660 1877-02-09 -270 AnHar, 1909, vol 55, p 95
-120 5.2 2406696 1877-03-17 2406970 1877-12-16 -274 SVO
-119 6.1 2407004 1878-01-19 2407280 1878-10-22 -276 SVO
-118 5.8 2407325 1878-12-06 2407590 1879-08-28 -265 SVO
-116   2407955 1880-08-27 2408210 1881-05-09 -255 MNRAS, 1915, vol 76, p 158
-114   2408588 1882-05-22 2408830 1883-01-19 -242 AnHar, 1909, vol 55, p 95
-113   2408906 1883-04-05 2409140 1883-11-25 -234 AnHar, 1909, vol 55, p 95
-112   2409220 1884-02-13 2409450 1884-09-30 -230 AnHar, 1909, vol 55, p 95
-111   2409533 1884-12-22 2409760 1885-08-06 -227 AnHar, 1909, vol 55, p 95
-110   2409839 1885-10-24 2410070 1886-06-12 -231 MNRAS, 1915, vol 76, p 158
-107   2410790 1888-06-01 2410999 1888-12-27 -209 AnHar, 1909, vol 55, p 95
-106   2411109 1889-04-16 2411309 1889-11-02 -200 AnHar, 1909, vol 55, p 95
-105   2411417 1890-02-18 2411619 1890-09-08 -202 AnHar, 1909, vol 55, p 95
-103   2412040 1891-11-03 2412239 1892-05-20 -199 GuL, 1918, 1.1
-101 5.7 2412640 1893-06-25 2412859 1894-01-30 -219 SVO
-100 6.4 2412956 1894-05-07 2413169 1894-12-06 -213 SVO
-99 5.4 2413254 1895-03-01 2413479 1895-10-12 -225 SVO
-98 6.4 2413563 1896-01-04 2413789 1896-08-17 -226 SVO
-97   2413880 1896-11-16 2414099 1897-06-23 -219 AnHar, 1909, vol 55, p 95
-96   2414191 1897-09-23 2414409 1898-04-29 -218 MNRAS, 1915, vol 76, p 158
-94 5.9 2414784 1899-05-09 2415029 1900-01-09 -245 SVO
-93 5.1 2415110 1900-03-31 2415339 1900-11-15 -229 SVO
-92   2415435 1901-02-19 2415649 1901-09-21 -214 AnHar, 1909, vol 55, p 95
-91   2415735 1901-12-16 2415959 1902-07-28 -224 AnHar, 1909, vol 55, p 95
-90   2416050 1902-10-27 2416269 1903-06-03 -219 AnHar, 1909, vol 55, p 95
-88   2416667 1904-07-05 2416888 1905-02-11 -221 AnHar, 1909, vol 55, p 95
-87 6.0 2416980 1905-05-14 2417198 1905-12-18 -218 SVO
-86 5.6 2417300 1906-03-30 2417508 1906-10-24 -208 SVO
-85 5.3 2417608 1907-02-01 2417818 1907-08-30 -210 SVO
-84 5.8 2417934 1907-12-24 2418128 1908-07-05 -194 SVO
-83 6.0 2418257 1908-11-11 2418438 1909-05-11 -181 SVO
-82 5.9 2418577 1909-09-27 2418748 1910-03-17 -171 SVO
-81 6.6 2418882 1910-07-29 2419058 1911-01-21 -176 SVO
-80 6.0 2419211 1911-06-23 2419368 1911-11-27 -157 SVO
-79 5.3 2419527 1912-05-04 2419678 1912-10-02 -151 SVO
-78 6.5 2419848 1913-03-21 2419988 1913-08-08 -140 SVO
-77 6.0 2420174 1914-02-10 2420298 1914-06-14 -124 SVO
-76 5.9 2420495 1914-12-28 2420608 1915-04-20 -113 SVO
-75 5.2 2420799 1915-10-28 2420918 1916-02-24 -119 SVO
-74 5.6 2421120 1916-09-13 2421228 1916-12-30 -108 SVO
-73 5.5 2421429 1917-07-19 2421538 1917-11-05 -109 SVO
-72 5.6 2421748 1918-06-03 2421848 1918-09-11 -100 SVO
-71 6.7 2422068 1919-04-19 2422158 1919-07-18 -90 SVO
-70 6.1 2422397 1920-03-13 2422468 1920-05-23 -71 SVO
-69 5.8 2422700 1921-01-10 2422777 1921-03-28 -77 SVO
-68 5.7 2423016 1921-11-22 2423087 1922-02-01 -71 SVO
-67 5.7 2423330 1922-10-02 2423397 1922-12-08 -67 SVO
-66 5.4 2423633 1923-08-01 2423707 1923-10-14 -74 SVO
-65 6.4 2423949 1924-06-12 2424017 1924-08-19 -68 SVO
-64 6.1 2424267 1925-04-26 2424327 1925-06-25 -60 SVO
-63 5.5 2424572 1926-02-25 2424637 1926-05-01 -65 SVO
-62 5.5 2424883 1927-01-02 2424947 1927-03-07 -64 SVO
-61 5.7 2425190 1927-11-05 2425257 1928-01-11 -67 SVO
-60 6.0 2425507 1928-09-17 2425567 1928-11-16 -60 SVO
-59 5.5 2425826 1929-08-02 2425877 1929-09-22 -51 SVO
-58 5.7 2426145 1930-06-17 2426187 1930-07-29 -42 SVO
-57 5.7 2426457 1931-04-25 2426497 1931-06-04 -40 SVO
-56 5.9 2426773 1932-03-06 2426807 1932-04-09 -34 SVO
-55 6.0 2427079 1933-01-06 2427117 1933-02-13 -38 SVO
-54 5.5 2427382 1933-11-05 2427427 1933-12-20 -45 SVO
-53 5.6 2427692 1934-09-11 2427737 1934-10-26 -45 SVO
-52 5.6 2427998 1935-07-14 2428047 1935-09-01 -49 SVO
-51 5.9 2428316 1936-05-27 2428357 1936-07-07 -41 SVO
-50 5.8 2428617 1937-03-24 2428667 1937-05-13 -50 SVO
-49 5.7 2428922 1938-01-23 2428976 1938-03-18 -54 SVO
-48 5.5 2429225 1938-11-22 2429286 1939-01-22 -61 SVO
-47 5.8 2429535 1939-09-28 2429596 1939-11-28 -61 SVO
-46 6.0 2429851 1940-08-09 2429906 1940-10-03 -55 SVO
-45 5.8 2430160 1941-06-14 2430216 1941-08-09 -56 SVO
-44 6.7 2430478 1942-04-28 2430526 1942-06-15 -48 SVO
-43 5.9 2430796 1943-03-12 2430836 1943-04-21 -40 SVO
-42 6.0 2431096 1944-01-06 2431146 1944-02-25 -50 SVO
-41 5.7 2431403 1944-11-08 2431456 1944-12-31 -53 AAVSO
-40   2431721 1945-09-22 2431766 1945-11-06 -45 AAVSO
-39 5.9 2432034 1946-08-01 2432076 1946-09-12 -42 SVO
-38 5.6 2432343 1947-06-06 2432386 1947-07-19 -43 SVO
-37 5.5 2432652 1948-04-10 2432696 1948-05-24 -44 SVO
-36 6.0 2432968 1949-02-20 2433006 1949-03-30 -38 SVO
-35 5.4 2433273 1949-12-22 2433316 1950-02-03 -43 SVO
-34 5.8 2433589 1950-11-03 2433626 1950-12-10 -37 SVO
-33 5.7 2433906 1951-09-16 2433936 1951-10-16 -30 SVO
-32 5.9 2434218 1952-07-24 2434246 1952-08-21 -28 SVO
-31 5.8 2434536 1953-06-07 2434556 1953-06-27 -20 SVO
-30 6.3 2434848 1954-04-15 2434866 1954-05-03 -18 SVO
-29 5.7 2435160 1955-02-21 2435175 1955-03-08 -15 SVO
-28 5.7 2435472 1955-12-30 2435485 1956-01-12 -13 SVO
-27 6.0 2435786 1956-11-08 2435795 1956-11-17 -9 SVO
-26 5.4 2436090 1957-09-08 2436105 1957-09-23 -15 SVO
-25 6.1 2436391 1958-07-06 2436415 1958-07-30 -24 SVO
-24 5.7 2436715 1959-05-26 2436725 1959-06-05 -10 SVO
-23 5.4 2437032 1960-04-07 2437035 1960-04-10 -3 SVO
-22 5.6 2437336 1961-02-05 2437345 1961-02-14 -9 SVO
-21 5.6 2437648 1961-12-14 2437655 1961-12-21 -7 SVO
-20 5.7 2437962 1962-10-24 2437965 1962-10-27 -3 SVO
-19 5.7 2438276 1963-09-03 2438275 1963-09-02 1 SVO
-18 6.0 2438583 1964-07-06 2438585 1964-07-08 -2 SVO
-17 5.3 2438890 1965-05-09 2438895 1965-05-14 -5 SVO
-16 6.2 2439196 1966-03-11 2439205 1966-03-20 -9 SVO
-15 5.5 2439504 1967-01-13 2439515 1967-01-24 -11 SVO
-14 5.7 2439821 1967-11-26 2439825 1967-11-30 -4 SVO
-13 5.6 2440134 1968-10-04 2440135 1968-10-05 -1 SVO
-12 5.5 2440439 1969-08-05 2440445 1969-08-11 -6 SVO
-11 5.3 2440737 1970-05-30 2440755 1970-06-17 -18 SVO
-10 6.5 2441057 1971-04-15 2441065 1971-04-23 -8 SVO
-9 5.8 2441368 1972-02-20 2441374 1972-02-26 -6 SVO
-8 6.4 2441684 1973-01-01 2441684 1973-01-01 0 SVO
-7 5.6 2441992 1973-11-05 2441994 1973-11-07 -2 SVO
-6 5.7 2442296 1974-09-05 2442304 1974-09-13 -8 SVO
-5 5.7 2442607 1975-07-13 2442614 1975-07-20 -7 SVO
-4 5.8 2442919 1976-05-20 2442924 1976-05-25 -5 SVO
-3 5.5 2443235 1977-04-01 2443234 1977-03-31 1 SVO
-2 6.3 2443544 1978-02-04 2443544 1978-02-04 0 SVO
-1 5.4 2443844 1978-12-01 2443854 1978-12-11 -10 SVO
0 5.7 2444160 1979-10-13 2444164 1979-10-17 -4 SVO
1 5.7 2444478 1980-08-26 2444474 1980-08-22 4 SVO
2 5.4 2444800 1981-07-14 2444784 1981-06-28 16 SVO
3 5.3 2445106 1982-05-16 2445094 1982-05-04 12 SVO
4 5.7 2445429 1983-04-04 2445404 1983-03-10 25 SVO
5 6.3 2445748 1984-02-17 2445714 1984-01-14 34 SVO
6 6.0 2446067 1985-01-01 2446024 1984-11-19 43 SVO
7 5.5 2446371 1985-11-01 2446334 1985-09-25 37 SVO
8 5.9 2446687 1986-09-13 2446644 1986-08-01 43 SVO
9 5.7 2447004 1987-07-27 2446954 1987-06-07 50 SVO
10 5.6 2447310 1988-05-28 2447264 1988-04-12 46 SVO
11 5.5 2447623 1989-04-06 2447573 1989-02-15 50 SVO
12 6.2 2447946 1990-02-23 2447883 1989-12-22 63 SVO
13 6.1 2448258 1991-01-01 2448193 1990-10-28 65 SVO
14 5.5 2448554 1991-10-24 2448503 1991-09-03 51 SVO
15 5.3 2448861 1992-08-26 2448813 1992-07-09 48 SVO
16 6.4 2449186 1993-07-17 2449123 1993-05-15 63 SVO
17 5.7 2449497 1994-05-24 2449433 1994-03-21 64 SVO
18 6.5 2449810 1995-04-02 2449743 1995-01-25 67 SVO
19 5.8 2450122 1996-02-08 2450053 1995-12-01 69 SVO
20 6.3 2450439 1996-12-21 2450363 1996-10-06 76 SVO
21   2450750 1997-10-28 2450673 1997-08-12 77 AAVSO
22 5.4 2451049 1998-08-23 2450983 1998-06-18 66 SVO
23 5.4 2451361 1999-07-01 2451293 1999-04-24 68 SVO
24 5.8 2451668 2000-05-03 2451603 2000-02-28 65 SVO
25 5.5 2451983 2001-03-14 2451913 2001-01-03 70 SVO
26 5.9 2452291 2002-01-16 2452223 2001-11-09 68 SVO
27 5.7 2452605 2002-11-26 2452533 2002-09-15 72 SVO
28 6.0 2452907 2003-09-24 2452843 2003-07-22 64 SVO
29 6.0 2453224 2004-08-06 2453153 2004-05-27 71 SVO
30 5.5 2453543 2005-06-21 2453463 2005-04-02 80 SVO
31 5.7 2453849 2006-04-23 2453772 2006-02-05 77 SVO
32 6.0 2454163 2007-03-03 2454082 2006-12-12 81 SVO
33 5.6 2454465 2007-12-30 2454392 2007-10-18 73 SVO
34 5.8 2454779 2008-11-08 2454702 2008-08-23 77 SVO
35 5.6 2455089 2009-09-14 2455012 2009-06-29 77 SVO
36 6.4 2455405 2010-07-27 2455322 2010-05-05 83 SVO
37 5.3 2455710 2011-05-28 2455632 2011-03-11 78 SVO
38 6.1 2456022 2012-04-04 2455942 2012-01-15 80 SVO
39 6.0 2456336 2013-02-12 2456252 2012-11-20 84 SVO
40 5.9 2456640 2013-12-13 2456562 2013-09-26 78 SVO
41 5.8 2456953 2014-10-22 2456872 2014-08-02 81 SVO
42 5.5 2457259 2015-08-24 2457182 2015-06-08 77 SVO
43 6.2 2457579 2016-07-09 2457492 2016-04-13 87 SVO
44 6.3 2457899 2017-05-25 2457802 2017-02-17 97 SVO
45 5.7 2458218 2018-04-09 2458112 2017-12-24 106 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.