Maxima for R Dra
Period: 245.6, Epoch: 2444779
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-155   2406715 1877-04-05 2406711 1877-04-01 4 AnHar, 1937, vol 105, p 459
-154   2406953 1877-11-29 2406957 1877-12-03 -4 GuL, 1920, 1.2
-153   2407204 1878-08-07 2407202 1878-08-05 2 GuL, 1920, 1.2
-152   2407455 1879-04-15 2407448 1879-04-08 7 GuL, 1920, 1.2
-151   2407702 1879-12-18 2407693 1879-12-09 9 GuL, 1920, 1.2
-150   2407945 1880-08-17 2407939 1880-08-11 6 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-149   2408190 1881-04-19 2408185 1881-04-14 5 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-148   2408453 1882-01-07 2408430 1881-12-15 23 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-147   2408696 1882-09-07 2408676 1882-08-18 20 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-146   2408939 1883-05-08 2408921 1883-04-20 18 AnHar, 1909, vol 55, p 95
-144   2409425 1884-09-05 2409413 1884-08-24 12 AnHar, 1909, vol 55, p 95
-143   2409669 1885-05-07 2409658 1885-04-26 11 AnHar, 1909, vol 55, p 95
-142   2409905 1885-12-29 2409904 1885-12-28 1 AnHar, 1909, vol 55, p 95
-141   2410143 1886-08-24 2410149 1886-08-30 -6 GuL, 1920, 1.2
-140   2410394 1887-05-02 2410395 1887-05-03 -1 GuL, 1920, 1.2
-139   2410645 1888-01-08 2410641 1888-01-04 4 GuL, 1920, 1.2
-138   2410903 1888-09-22 2410886 1888-09-05 17 GuL, 1920, 1.2
-137   2411151 1889-05-28 2411132 1889-05-09 19 AnHar, 1909, vol 55, p 95
-136 7.3 2411376 1890-01-08 2411377 1890-01-09 -1 SVO
-135 7.8 2411623 1890-09-12 2411623 1890-09-12 0 SVO
-134 7.3 2411866 1891-05-13 2411869 1891-05-16 -3 SVO
-133   2412117 1892-01-19 2412114 1892-01-16 3 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-132   2412371 1892-09-29 2412360 1892-09-18 11 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-131 7.4 2412608 1893-05-24 2412605 1893-05-21 3 SVO
-130 7.6 2412850 1894-01-21 2412851 1894-01-22 -1 SVO
-129 7.4 2413104 1894-10-02 2413097 1894-09-25 7 SVO
-128 7.5 2413348 1895-06-03 2413342 1895-05-28 6 SVO
-127 7.0 2413586 1896-01-27 2413588 1896-01-29 -2 SVO
-126 7.3 2413830 1896-09-27 2413833 1896-09-30 -3 SVO
-125 7.6 2414085 1897-06-09 2414079 1897-06-03 6 SVO
-124   2414323 1898-02-02 2414325 1898-02-04 -2 AnHar, 1909, vol 55, p 95
-123   2414572 1898-10-09 2414570 1898-10-07 2 AnHar, 1909, vol 55, p 95
-122   2414820 1899-06-14 2414816 1899-06-10 4 AnHar, 1909, vol 55, p 95
-121   2415067 1900-02-16 2415061 1900-02-10 6 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-120 7.2 2415310 1900-10-17 2415307 1900-10-14 3 SVO
-119 7.5 2415562 1901-06-26 2415553 1901-06-17 9 SVO
-118 7.4 2415813 1902-03-04 2415798 1902-02-17 15 SVO
-117 7.3 2416054 1902-10-31 2416044 1902-10-21 10 SVO
-116 7.2 2416299 1903-07-03 2416289 1903-06-23 10 SVO
-115   2416551 1904-03-11 2416535 1904-02-24 16 AnHar, 1909, vol 55, p 95
-114 8.3 2416787 1904-11-02 2416781 1904-10-27 6 SVO
-113 7.8 2417037 1905-07-10 2417026 1905-06-29 11 SVO
-112 7.6 2417275 1906-03-05 2417272 1906-03-02 3 SVO
-111 7.7 2417523 1906-11-08 2417517 1906-11-02 6 SVO
-110 7.6 2417776 1907-07-19 2417763 1907-07-06 13 SVO
-109 8.0 2418018 1908-03-17 2418009 1908-03-08 9 SVO
-108 7.1 2418257 1908-11-11 2418254 1908-11-08 3 SVO
-107 7.9 2418511 1909-07-23 2418500 1909-07-12 11 SVO
-106 7.2 2418754 1910-03-23 2418745 1910-03-14 9 SVO
-105 7.7 2419002 1910-11-26 2418991 1910-11-15 11 SVO
-104 7.6 2419251 1911-08-02 2419237 1911-07-19 14 SVO
-103 7.0 2419483 1912-03-21 2419482 1912-03-20 1 SVO
-102 8.1 2419732 1912-11-25 2419728 1912-11-21 4 SVO
-101 7.4 2419975 1913-07-26 2419973 1913-07-24 2 SVO
-100 7.7 2420228 1914-04-05 2420219 1914-03-27 9 SVO
-99 7.3 2420471 1914-12-04 2420465 1914-11-28 6 SVO
-98 7.3 2420711 1915-08-01 2420710 1915-07-31 1 SVO
-97 7.2 2420957 1916-04-03 2420956 1916-04-02 1 SVO
-96 8.0 2421202 1916-12-04 2421201 1916-12-03 1 SVO
-95 7.4 2421441 1917-07-31 2421447 1917-08-06 -6 SVO
-94 8.4 2421690 1918-04-06 2421693 1918-04-09 -3 SVO
-93 7.8 2421935 1918-12-07 2421938 1918-12-10 -3 SVO
-92 8.0 2422177 1919-08-06 2422184 1919-08-13 -7 SVO
-91 7.4 2422426 1920-04-11 2422429 1920-04-14 -3 SVO
-90 8.2 2422670 1920-12-11 2422675 1920-12-16 -5 SVO
-89 7.3 2422905 1921-08-03 2422921 1921-08-19 -16 SVO
-88 7.9 2423154 1922-04-09 2423166 1922-04-21 -12 SVO
-87 7.6 2423401 1922-12-12 2423412 1922-12-23 -11 SVO
-86 7.7 2423640 1923-08-08 2423657 1923-08-25 -17 SVO
-85 7.3 2423883 1924-04-07 2423903 1924-04-27 -20 SVO
-84 7.3 2424124 1924-12-04 2424149 1924-12-29 -25 SVO
-83 7.8 2424369 1925-08-06 2424394 1925-08-31 -25 SVO
-82 7.1 2424604 1926-03-29 2424640 1926-05-04 -36 SVO
-81 7.0 2424844 1926-11-24 2424885 1927-01-04 -41 SVO
-80 7.6 2425095 1927-08-02 2425131 1927-09-07 -36 SVO
-79 7.6 2425341 1928-04-04 2425377 1928-05-10 -36 SVO
-78 7.1 2425579 1928-11-28 2425622 1929-01-10 -43 SVO
-77 7.7 2425821 1929-07-28 2425868 1929-09-13 -47 SVO
-76 7.4 2426068 1930-04-01 2426113 1930-05-16 -45 SVO
-75 7.4 2426314 1930-12-03 2426359 1931-01-17 -45 SVO
-74 7.4 2426552 1931-07-29 2426605 1931-09-20 -53 SVO
-73 7.2 2426794 1932-03-27 2426850 1932-05-22 -56 SVO
-72 7.8 2427048 1932-12-06 2427096 1933-01-23 -48 SVO
-71 7.7 2427299 1933-08-14 2427341 1933-09-25 -42 SVO
-70 7.0 2427549 1934-04-21 2427587 1934-05-29 -38 SVO
-69 7.4 2427789 1934-12-17 2427833 1935-01-30 -44 SVO
-68 7.1 2428035 1935-08-20 2428078 1935-10-02 -43 SVO
-67 7.2 2428279 1936-04-20 2428324 1936-06-04 -45 SVO
-66 7.5 2428528 1936-12-25 2428569 1937-02-04 -41 SVO
-65 7.7 2428776 1937-08-30 2428815 1937-10-08 -39 SVO
-64 7.7 2429024 1938-05-05 2429061 1938-06-11 -37 SVO
-63 7.1 2429265 1939-01-01 2429306 1939-02-11 -41 SVO
-62 8.2 2429516 1939-09-09 2429552 1939-10-15 -36 SVO
-61 7.5 2429759 1940-05-09 2429797 1940-06-16 -38 SVO
-60 7.7 2430011 1941-01-16 2430043 1941-02-17 -32 SVO
-59 8.2 2430262 1941-09-24 2430289 1941-10-21 -27 SVO
-58 7.3 2430511 1942-05-31 2430534 1942-06-23 -23 SVO
-57 7.7 2430764 1943-02-08 2430780 1943-02-24 -16 SVO
-56 7.2 2431010 1943-10-12 2431025 1943-10-27 -15 SVO
-55 7.4 2431256 1944-06-14 2431271 1944-06-29 -15 SVO
-54 7.5 2431504 1945-02-17 2431517 1945-03-02 -13 SVO
-53 7.4 2431748 1945-10-19 2431762 1945-11-02 -14 SVO
-52 7.4 2431995 1946-06-23 2432008 1946-07-06 -13 SVO
-51 7.6 2432241 1947-02-24 2432253 1947-03-08 -12 SVO
-50 8.2 2432495 1947-11-05 2432499 1947-11-09 -4 SVO
-49 7.4 2432740 1948-07-07 2432745 1948-07-12 -5 SVO
-48 7.5 2432985 1949-03-09 2432990 1949-03-14 -5 SVO
-47 7.2 2433225 1949-11-04 2433236 1949-11-15 -11 SVO
-46 7.7 2433472 1950-07-09 2433481 1950-07-18 -9 SVO
-45 7.6 2433720 1951-03-14 2433727 1951-03-21 -7 SVO
-44 7.5 2433964 1951-11-13 2433973 1951-11-22 -9 SVO
-43 7.6 2434212 1952-07-18 2434218 1952-07-24 -6 SVO
-42 7.7 2434460 1953-03-23 2434464 1953-03-27 -4 SVO
-41 7.3 2434699 1953-11-17 2434709 1953-11-27 -10 SVO
-40 8.1 2434946 1954-07-22 2434955 1954-07-31 -9 SVO
-39 7.5 2435193 1955-03-26 2435201 1955-04-03 -8 SVO
-38 7.4 2435437 1955-11-25 2435446 1955-12-04 -9 SVO
-37 7.3 2435680 1956-07-25 2435692 1956-08-06 -12 SVO
-36 7.7 2435924 1957-03-26 2435937 1957-04-08 -13 SVO
-35 7.3 2436173 1957-11-30 2436183 1957-12-10 -10 SVO
-34 8.0 2436424 1958-08-08 2436429 1958-08-13 -5 SVO
-33 7.2 2436663 1959-04-04 2436674 1959-04-15 -11 SVO
-32 7.3 2436906 1959-12-03 2436920 1959-12-17 -14 SVO
-31 8.2 2437157 1960-08-10 2437165 1960-08-18 -8 SVO
-30 7.4 2437400 1961-04-10 2437411 1961-04-21 -11 SVO
-29 7.9 2437644 1961-12-10 2437657 1961-12-23 -13 SVO
-28 7.4 2437889 1962-08-12 2437902 1962-08-25 -13 SVO
-27 7.3 2438136 1963-04-16 2438148 1963-04-28 -12 SVO
-26 7.6 2438383 1963-12-19 2438393 1963-12-29 -10 SVO
-25 7.3 2438621 1964-08-13 2438639 1964-08-31 -18 SVO
-24 7.5 2438864 1965-04-13 2438885 1965-05-04 -21 SVO
-23 7.9 2439114 1965-12-19 2439130 1966-01-04 -16 SVO
-22 7.8 2439364 1966-08-26 2439376 1966-09-07 -12 SVO
-21 7.8 2439604 1967-04-23 2439621 1967-05-10 -17 SVO
-20 7.3 2439850 1967-12-25 2439867 1968-01-11 -17 SVO
-19 7.6 2440092 1968-08-23 2440113 1968-09-13 -21 SVO
-18 7.5 2440339 1969-04-27 2440358 1969-05-16 -19 SVO
-17 7.1 2440575 1969-12-19 2440604 1970-01-17 -29 SVO
-16 7.7 2440826 1970-08-27 2440849 1970-09-19 -23 SVO
-15 7.5 2441072 1971-04-30 2441095 1971-05-23 -23 SVO
-14 7.7 2441320 1972-01-03 2441341 1972-01-24 -21 SVO
-13 7.8 2441573 1972-09-12 2441586 1972-09-25 -13 SVO
-12 7.0 2441811 1973-05-08 2441832 1973-05-29 -21 SVO
-11 7.4 2442060 1974-01-12 2442077 1974-01-29 -17 SVO
-10 7.4 2442311 1974-09-20 2442323 1974-10-02 -12 SVO
-9 7.9 2442560 1975-05-27 2442569 1975-06-05 -9 SVO
-8 7.4 2442802 1976-01-24 2442814 1976-02-05 -12 SVO
-7 7.8 2443055 1976-10-03 2443060 1976-10-08 -5 SVO
-6 7.3 2443298 1977-06-03 2443305 1977-06-10 -7 SVO
-5 7.3 2443540 1978-01-31 2443551 1978-02-11 -11 SVO
-4 7.8 2443794 1978-10-12 2443797 1978-10-15 -3 SVO
-3 7.5 2444042 1979-06-17 2444042 1979-06-17 0 SVO
-2 8.1 2444288 1980-02-18 2444288 1980-02-18 0 SVO
-1 7.5 2444531 1980-10-18 2444533 1980-10-20 -2 SVO
0 7.9 2444782 1981-06-26 2444779 1981-06-23 3 SVO
1 8.0 2445027 1982-02-26 2445025 1982-02-24 2 SVO
2 7.0 2445264 1982-10-21 2445270 1982-10-27 -6 SVO
3 8.2 2445520 1983-07-04 2445516 1983-06-30 4 SVO
4 7.5 2445765 1984-03-05 2445761 1984-03-01 4 SVO
5 7.5 2446010 1984-11-05 2446007 1984-11-02 3 SVO
6 7.7 2446263 1985-07-16 2446253 1985-07-06 10 SVO
7 7.2 2446510 1986-03-20 2446498 1986-03-08 12 SVO
8 7.9 2446755 1986-11-20 2446744 1986-11-09 11 SVO
9 8.0 2447002 1987-07-25 2446989 1987-07-12 13 SVO
10 7.5 2447240 1988-03-19 2447235 1988-03-14 5 SVO
11 7.8 2447486 1988-11-20 2447481 1988-11-15 5 SVO
12 8.0 2447731 1989-07-23 2447726 1989-07-18 5 SVO
13 7.3 2447975 1990-03-24 2447972 1990-03-21 3 SVO
14 7.8 2448220 1990-11-24 2448217 1990-11-21 3 SVO
15 7.4 2448467 1991-07-29 2448463 1991-07-25 4 SVO
16 7.6 2448717 1992-04-04 2448709 1992-03-27 8 SVO
17 7.5 2448958 1992-12-01 2448954 1992-11-27 4 SVO
18 7.4 2449202 1993-08-02 2449200 1993-07-31 2 SVO
19 8.1 2449446 1994-04-03 2449445 1994-04-02 1 SVO
20 8.0 2449702 1994-12-15 2449691 1994-12-04 11 SVO
21 7.5 2449947 1995-08-17 2449937 1995-08-07 10 SVO
22 7.4 2450189 1996-04-15 2450182 1996-04-08 7 SVO
23 7.4 2450440 1996-12-22 2450428 1996-12-10 12 SVO
24 7.7 2450690 1997-08-29 2450673 1997-08-12 17 SVO
25 8.0 2450934 1998-04-30 2450919 1998-04-15 15 SVO
26 7.6 2451182 1999-01-03 2451165 1998-12-17 17 SVO
27 7.6 2451427 1999-09-05 2451410 1999-08-19 17 SVO
28 7.4 2451667 2000-05-02 2451656 2000-04-21 11 SVO
29 7.2 2451910 2000-12-31 2451901 2000-12-22 9 SVO
30 7.4 2452152 2001-08-30 2452147 2001-08-25 5 SVO
31 7.4 2452402 2002-05-07 2452393 2002-04-28 9 SVO
32 7.5 2452647 2003-01-07 2452638 2002-12-29 9 SVO
33 7.6 2452892 2003-09-09 2452884 2003-09-01 8 SVO
34 7.6 2453143 2004-05-17 2453129 2004-05-03 14 SVO
35 7.4 2453385 2005-01-14 2453375 2005-01-04 10 SVO
36 7.1 2453628 2005-09-14 2453621 2005-09-07 7 SVO
37 9.0 2453884 2006-05-28 2453866 2006-05-10 18 SVO
38 8.0 2454133 2007-02-01 2454112 2007-01-11 21 SVO
39 8.0 2454380 2007-10-06 2454357 2007-09-13 23 SVO
40 7.4 2454626 2008-06-08 2454603 2008-05-16 23 SVO
41 7.6 2454881 2009-02-18 2454849 2009-01-17 32 SVO
42 7.1 2455120 2009-10-15 2455094 2009-09-19 26 SVO
43 7.8 2455367 2010-06-19 2455340 2010-05-23 27 SVO
44 7.9 2455622 2011-03-01 2455585 2011-01-23 37 SVO
45 7.9 2455877 2011-11-11 2455831 2011-09-26 46 SVO
46 7.4 2456130 2012-07-21 2456077 2012-05-29 53 SVO
47 7.9 2456378 2013-03-26 2456322 2013-01-29 56 SVO
48 8.0 2456632 2013-12-05 2456568 2013-10-02 64 SVO
49 7.3 2456870 2014-07-31 2456813 2014-06-04 57 SVO
50 8.2 2457121 2015-04-08 2457059 2015-02-05 62 SVO
51 7.1 2457362 2015-12-05 2457305 2015-10-09 57 SVO
52 8.5 2457615 2016-08-14 2457550 2016-06-10 65 SVO
53 8.0 2457862 2017-04-18 2457796 2017-02-11 66 SVO
54 7.7 2458110 2017-12-22 2458041 2017-10-14 69 SVO
55 8.5 2458355 2018-08-24 2458287 2018-06-17 68 SVO
56 7.5 2458593 2019-04-19 2458533 2019-02-18 60 SVO
57 7.5 2458842 2019-12-24 2458778 2019-10-21 64 SVO
58 6.8 2459082 2020-08-20 2459024 2020-06-23 58 SVO
59 7.7 2459331 2021-04-26 2459269 2021-02-23 62 SVO
60 8.3 2459588 2022-01-08 2459515 2021-10-27 73 SVO
61 7.3 2459821 2022-08-29 2459761 2022-06-30 60 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.