Maxima for R Dra
Period: 246.12, Epoch: 2457370
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-206   2406715 1877-04-05 2406669 1877-02-18 46 AnHar, 1937, vol 105, p 459
-205   2406953 1877-11-29 2406915 1877-10-22 38 GuL, 1920, 1.2
-204   2407204 1878-08-07 2407162 1878-06-26 42 GuL, 1920, 1.2
-203   2407455 1879-04-15 2407408 1879-02-27 47 GuL, 1920, 1.2
-202   2407702 1879-12-18 2407654 1879-10-31 48 GuL, 1920, 1.2
-201   2407945 1880-08-17 2407900 1880-07-03 45 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-200   2408190 1881-04-19 2408146 1881-03-06 44 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-199   2408453 1882-01-07 2408392 1881-11-07 61 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-198   2408696 1882-09-07 2408638 1882-07-11 58 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-197   2408939 1883-05-08 2408884 1883-03-14 55 AnHar, 1909, vol 55, p 95
-195   2409425 1884-09-05 2409377 1884-07-19 48 AnHar, 1909, vol 55, p 95
-194   2409669 1885-05-07 2409623 1885-03-22 46 AnHar, 1909, vol 55, p 95
-193   2409905 1885-12-29 2409869 1885-11-23 36 AnHar, 1909, vol 55, p 95
-192   2410143 1886-08-24 2410115 1886-07-27 28 GuL, 1920, 1.2
-191   2410394 1887-05-02 2410361 1887-03-30 33 GuL, 1920, 1.2
-190   2410645 1888-01-08 2410607 1887-12-01 38 GuL, 1920, 1.2
-189   2410903 1888-09-22 2410853 1888-08-03 50 GuL, 1920, 1.2
-188   2411151 1889-05-28 2411099 1889-04-06 52 AnHar, 1909, vol 55, p 95
-187 7.3 2411376 1890-01-08 2411346 1889-12-09 30 SVO
-186 7.8 2411623 1890-09-12 2411592 1890-08-12 31 SVO
-185 7.3 2411866 1891-05-13 2411838 1891-04-15 28 SVO
-184   2412117 1892-01-19 2412084 1891-12-17 33 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-183   2412371 1892-09-29 2412330 1892-08-19 41 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-182 7.4 2412608 1893-05-24 2412576 1893-04-22 32 SVO
-181 7.6 2412850 1894-01-21 2412822 1893-12-24 28 SVO
-180 7.4 2413104 1894-10-02 2413068 1894-08-27 36 SVO
-179 7.5 2413348 1895-06-03 2413315 1895-05-01 33 SVO
-178 7.0 2413586 1896-01-27 2413561 1896-01-02 25 SVO
-177 7.3 2413830 1896-09-27 2413807 1896-09-04 23 SVO
-176 7.6 2414085 1897-06-09 2414053 1897-05-08 32 SVO
-175   2414323 1898-02-02 2414299 1898-01-09 24 AnHar, 1909, vol 55, p 95
-174   2414572 1898-10-09 2414545 1898-09-12 27 AnHar, 1909, vol 55, p 95
-173   2414820 1899-06-14 2414791 1899-05-16 29 AnHar, 1909, vol 55, p 95
-172   2415067 1900-02-16 2415037 1900-01-17 30 GuL, 1920, 1.2, AnHar, 1909, vol 55, p 95
-171 7.2 2415310 1900-10-17 2415283 1900-09-20 27 SVO
-170 7.5 2415562 1901-06-26 2415530 1901-05-25 32 SVO
-169 7.4 2415813 1902-03-04 2415776 1902-01-26 37 SVO
-168 7.3 2416054 1902-10-31 2416022 1902-09-29 32 SVO
-167 7.2 2416299 1903-07-03 2416268 1903-06-02 31 SVO
-166   2416551 1904-03-11 2416514 1904-02-03 37 AnHar, 1909, vol 55, p 95
-165 8.3 2416787 1904-11-02 2416760 1904-10-06 27 SVO
-164 7.8 2417037 1905-07-10 2417006 1905-06-09 31 SVO
-163 7.6 2417275 1906-03-05 2417252 1906-02-10 23 SVO
-162 7.7 2417523 1906-11-08 2417499 1906-10-15 24 SVO
-161 7.6 2417776 1907-07-19 2417745 1907-06-18 31 SVO
-160 8.0 2418018 1908-03-17 2417991 1908-02-19 27 SVO
-159 7.1 2418257 1908-11-11 2418237 1908-10-22 20 SVO
-158 7.9 2418511 1909-07-23 2418483 1909-06-25 28 SVO
-157 7.2 2418754 1910-03-23 2418729 1910-02-26 25 SVO
-156 7.7 2419002 1910-11-26 2418975 1910-10-30 27 SVO
-155 7.6 2419251 1911-08-02 2419221 1911-07-03 30 SVO
-154 7.0 2419483 1912-03-21 2419468 1912-03-06 15 SVO
-153 8.1 2419732 1912-11-25 2419714 1912-11-07 18 SVO
-152 7.4 2419975 1913-07-26 2419960 1913-07-11 15 SVO
-151 7.7 2420228 1914-04-05 2420206 1914-03-14 22 SVO
-150 7.3 2420471 1914-12-04 2420452 1914-11-15 19 SVO
-149 7.3 2420711 1915-08-01 2420698 1915-07-19 13 SVO
-148 7.2 2420957 1916-04-03 2420944 1916-03-21 13 SVO
-147 8.0 2421202 1916-12-04 2421190 1916-11-22 12 SVO
-146 7.4 2421441 1917-07-31 2421436 1917-07-26 5 SVO
-145 8.4 2421690 1918-04-06 2421683 1918-03-30 7 SVO
-144 7.8 2421935 1918-12-07 2421929 1918-12-01 6 SVO
-143 8.0 2422177 1919-08-06 2422175 1919-08-04 2 SVO
-142 7.4 2422426 1920-04-11 2422421 1920-04-06 5 SVO
-141 8.2 2422670 1920-12-11 2422667 1920-12-08 3 SVO
-140 7.3 2422905 1921-08-03 2422913 1921-08-11 -8 SVO
-139 7.9 2423154 1922-04-09 2423159 1922-04-14 -5 SVO
-138 7.6 2423401 1922-12-12 2423405 1922-12-16 -4 SVO
-137 7.7 2423640 1923-08-08 2423652 1923-08-20 -12 SVO
-136 7.3 2423883 1924-04-07 2423898 1924-04-22 -15 SVO
-135 7.3 2424124 1924-12-04 2424144 1924-12-24 -20 SVO
-134 7.8 2424369 1925-08-06 2424390 1925-08-27 -21 SVO
-133 7.1 2424604 1926-03-29 2424636 1926-04-30 -32 SVO
-132 7.0 2424844 1926-11-24 2424882 1927-01-01 -38 SVO
-131 7.6 2425095 1927-08-02 2425128 1927-09-04 -33 SVO
-130 7.6 2425341 1928-04-04 2425374 1928-05-07 -33 SVO
-129 7.1 2425579 1928-11-28 2425621 1929-01-09 -42 SVO
-128 7.7 2425821 1929-07-28 2425867 1929-09-12 -46 SVO
-127 7.4 2426068 1930-04-01 2426113 1930-05-16 -45 SVO
-126 7.4 2426314 1930-12-03 2426359 1931-01-17 -45 SVO
-125 7.4 2426552 1931-07-29 2426605 1931-09-20 -53 SVO
-124 7.2 2426794 1932-03-27 2426851 1932-05-23 -57 SVO
-123 7.8 2427048 1932-12-06 2427097 1933-01-24 -49 SVO
-122 7.7 2427299 1933-08-14 2427343 1933-09-27 -44 SVO
-121 7.0 2427549 1934-04-21 2427589 1934-05-31 -40 SVO
-120 7.4 2427789 1934-12-17 2427836 1935-02-02 -47 SVO
-119 7.1 2428035 1935-08-20 2428082 1935-10-06 -47 SVO
-118 7.2 2428279 1936-04-20 2428328 1936-06-08 -49 SVO
-117 7.5 2428528 1936-12-25 2428574 1937-02-09 -46 SVO
-116 7.7 2428776 1937-08-30 2428820 1937-10-13 -44 SVO
-115 7.7 2429024 1938-05-05 2429066 1938-06-16 -42 SVO
-114 7.1 2429265 1939-01-01 2429312 1939-02-17 -47 SVO
-113 8.2 2429516 1939-09-09 2429558 1939-10-21 -42 SVO
-112 7.5 2429759 1940-05-09 2429805 1940-06-24 -46 SVO
-111 7.7 2430011 1941-01-16 2430051 1941-02-25 -40 SVO
-110 8.2 2430262 1941-09-24 2430297 1941-10-29 -35 SVO
-109 7.3 2430511 1942-05-31 2430543 1942-07-02 -32 SVO
-108 7.7 2430764 1943-02-08 2430789 1943-03-05 -25 SVO
-107 7.2 2431010 1943-10-12 2431035 1943-11-06 -25 SVO
-106 7.4 2431256 1944-06-14 2431281 1944-07-09 -25 SVO
-105 7.5 2431504 1945-02-17 2431527 1945-03-12 -23 SVO
-104 7.4 2431748 1945-10-19 2431774 1945-11-14 -26 SVO
-103 7.4 2431995 1946-06-23 2432020 1946-07-18 -25 SVO
-102 7.6 2432241 1947-02-24 2432266 1947-03-21 -25 SVO
-101 8.2 2432495 1947-11-05 2432512 1947-11-22 -17 SVO
-100 7.4 2432740 1948-07-07 2432758 1948-07-25 -18 SVO
-99 7.5 2432985 1949-03-09 2433004 1949-03-28 -19 SVO
-98 7.2 2433225 1949-11-04 2433250 1949-11-29 -25 SVO
-97 7.7 2433472 1950-07-09 2433496 1950-08-02 -24 SVO
-96 7.6 2433720 1951-03-14 2433742 1951-04-05 -22 SVO
-95 7.5 2433964 1951-11-13 2433989 1951-12-08 -25 SVO
-94 7.6 2434212 1952-07-18 2434235 1952-08-10 -23 SVO
-93 7.7 2434460 1953-03-23 2434481 1953-04-13 -21 SVO
-92 7.3 2434699 1953-11-17 2434727 1953-12-15 -28 SVO
-91 8.1 2434946 1954-07-22 2434973 1954-08-18 -27 SVO
-90 7.5 2435193 1955-03-26 2435219 1955-04-21 -26 SVO
-89 7.4 2435437 1955-11-25 2435465 1955-12-23 -28 SVO
-88 7.3 2435680 1956-07-25 2435711 1956-08-25 -31 SVO
-87 7.7 2435924 1957-03-26 2435958 1957-04-29 -34 SVO
-86 7.3 2436173 1957-11-30 2436204 1957-12-31 -31 SVO
-85 8.0 2436424 1958-08-08 2436450 1958-09-03 -26 SVO
-84 7.2 2436663 1959-04-04 2436696 1959-05-07 -33 SVO
-83 7.3 2436906 1959-12-03 2436942 1960-01-08 -36 SVO
-82 8.2 2437157 1960-08-10 2437188 1960-09-10 -31 SVO
-81 7.4 2437400 1961-04-10 2437434 1961-05-14 -34 SVO
-80 7.9 2437644 1961-12-10 2437680 1962-01-15 -36 SVO
-79 7.4 2437889 1962-08-12 2437927 1962-09-19 -38 SVO
-78 7.3 2438136 1963-04-16 2438173 1963-05-23 -37 SVO
-77 7.6 2438383 1963-12-19 2438419 1964-01-24 -36 SVO
-76 7.3 2438621 1964-08-13 2438665 1964-09-26 -44 SVO
-75 7.5 2438864 1965-04-13 2438911 1965-05-30 -47 SVO
-74 7.9 2439114 1965-12-19 2439157 1966-01-31 -43 SVO
-73 7.8 2439364 1966-08-26 2439403 1966-10-04 -39 SVO
-72 7.8 2439604 1967-04-23 2439649 1967-06-07 -45 SVO
-71 7.3 2439850 1967-12-25 2439895 1968-02-08 -45 SVO
-70 7.6 2440092 1968-08-23 2440142 1968-10-12 -50 SVO
-69 7.5 2440339 1969-04-27 2440388 1969-06-15 -49 SVO
-68 7.1 2440575 1969-12-19 2440634 1970-02-16 -59 SVO
-67 7.7 2440826 1970-08-27 2440880 1970-10-20 -54 SVO
-66 7.5 2441072 1971-04-30 2441126 1971-06-23 -54 SVO
-65 7.7 2441320 1972-01-03 2441372 1972-02-24 -52 SVO
-64 7.8 2441573 1972-09-12 2441618 1972-10-27 -45 SVO
-63 7.0 2441811 1973-05-08 2441864 1973-06-30 -53 SVO
-62 7.4 2442060 1974-01-12 2442111 1974-03-04 -51 SVO
-61 7.4 2442311 1974-09-20 2442357 1974-11-05 -46 SVO
-60 7.9 2442560 1975-05-27 2442603 1975-07-09 -43 SVO
-59 7.4 2442802 1976-01-24 2442849 1976-03-11 -47 SVO
-58 7.8 2443055 1976-10-03 2443095 1976-11-12 -40 SVO
-57 7.3 2443298 1977-06-03 2443341 1977-07-16 -43 SVO
-56 7.3 2443540 1978-01-31 2443587 1978-03-19 -47 SVO
-55 7.8 2443794 1978-10-12 2443833 1978-11-20 -39 SVO
-54 7.5 2444042 1979-06-17 2444080 1979-07-25 -38 SVO
-53 8.1 2444288 1980-02-18 2444326 1980-03-27 -38 SVO
-52 7.5 2444531 1980-10-18 2444572 1980-11-28 -41 SVO
-51 7.9 2444782 1981-06-26 2444818 1981-08-01 -36 SVO
-50 8.0 2445027 1982-02-26 2445064 1982-04-04 -37 SVO
-49 7.0 2445264 1982-10-21 2445310 1982-12-06 -46 SVO
-48 8.2 2445520 1983-07-04 2445556 1983-08-09 -36 SVO
-47 7.5 2445765 1984-03-05 2445802 1984-04-11 -37 SVO
-46 7.5 2446010 1984-11-05 2446048 1984-12-13 -38 SVO
-45 7.7 2446263 1985-07-16 2446295 1985-08-17 -32 SVO
-44 7.2 2446510 1986-03-20 2446541 1986-04-20 -31 SVO
-43 7.9 2446755 1986-11-20 2446787 1986-12-22 -32 SVO
-42 8.0 2447002 1987-07-25 2447033 1987-08-25 -31 SVO
-41 7.5 2447240 1988-03-19 2447279 1988-04-27 -39 SVO
-40 7.8 2447486 1988-11-20 2447525 1988-12-29 -39 SVO
-39 8.0 2447731 1989-07-23 2447771 1989-09-01 -40 SVO
-38 7.3 2447975 1990-03-24 2448017 1990-05-05 -42 SVO
-37 7.8 2448220 1990-11-24 2448264 1991-01-07 -44 SVO
-36 7.4 2448467 1991-07-29 2448510 1991-09-10 -43 SVO
-35 7.6 2448717 1992-04-04 2448756 1992-05-13 -39 SVO
-34 7.5 2448958 1992-12-01 2449002 1993-01-14 -44 SVO
-33 7.4 2449202 1993-08-02 2449248 1993-09-17 -46 SVO
-32 8.1 2449446 1994-04-03 2449494 1994-05-21 -48 SVO
-31 8.0 2449702 1994-12-15 2449740 1995-01-22 -38 SVO
-30 7.5 2449947 1995-08-17 2449986 1995-09-25 -39 SVO
-29 7.4 2450189 1996-04-15 2450233 1996-05-29 -44 SVO
-28 7.4 2450440 1996-12-22 2450479 1997-01-30 -39 SVO
-27 7.7 2450690 1997-08-29 2450725 1997-10-03 -35 SVO
-26 8.0 2450934 1998-04-30 2450971 1998-06-06 -37 SVO
-25 7.6 2451182 1999-01-03 2451217 1999-02-07 -35 SVO
-24 7.6 2451427 1999-09-05 2451463 1999-10-11 -36 SVO
-23 7.4 2451667 2000-05-02 2451709 2000-06-13 -42 SVO
-22 7.2 2451910 2000-12-31 2451955 2001-02-14 -45 SVO
-21 7.4 2452152 2001-08-30 2452201 2001-10-18 -49 SVO
-20 7.4 2452402 2002-05-07 2452448 2002-06-22 -46 SVO
-19 7.5 2452647 2003-01-07 2452694 2003-02-23 -47 SVO
-18 7.6 2452892 2003-09-09 2452940 2003-10-27 -48 SVO
-17 7.6 2453143 2004-05-17 2453186 2004-06-29 -43 SVO
-16 7.4 2453385 2005-01-14 2453432 2005-03-02 -47 SVO
-15 7.1 2453628 2005-09-14 2453678 2005-11-03 -50 SVO
-14 9.0 2453884 2006-05-28 2453924 2006-07-07 -40 SVO
-13 8.0 2454133 2007-02-01 2454170 2007-03-10 -37 SVO
-12 8.0 2454380 2007-10-06 2454417 2007-11-12 -37 SVO
-11 7.4 2454626 2008-06-08 2454663 2008-07-15 -37 SVO
-10 7.6 2454881 2009-02-18 2454909 2009-03-18 -28 SVO
-9 7.1 2455120 2009-10-15 2455155 2009-11-19 -35 SVO
-8 7.8 2455367 2010-06-19 2455401 2010-07-23 -34 SVO
-7 7.9 2455622 2011-03-01 2455647 2011-03-26 -25 SVO
-6 7.9 2455877 2011-11-11 2455893 2011-11-27 -16 SVO
-5 7.4 2456130 2012-07-21 2456139 2012-07-30 -9 SVO
-4 7.9 2456378 2013-03-26 2456386 2013-04-03 -8 SVO
-3 8.0 2456632 2013-12-05 2456632 2013-12-05 0 SVO
-2 7.3 2456870 2014-07-31 2456878 2014-08-08 -8 SVO
-1 8.2 2457121 2015-04-08 2457124 2015-04-11 -3 SVO
0 7.1 2457362 2015-12-05 2457370 2015-12-13 -8 SVO
1 8.5 2457615 2016-08-14 2457616 2016-08-15 -1 SVO
2 8.0 2457862 2017-04-18 2457862 2017-04-18 0 SVO
3 7.7 2458110 2017-12-22 2458108 2017-12-20 2 SVO
4 8.5 2458355 2018-08-24 2458354 2018-08-23 1 SVO
5 7.5 2458593 2019-04-19 2458601 2019-04-27 -8 SVO
6 7.5 2458842 2019-12-24 2458847 2019-12-29 -5 SVO
7 6.8 2459082 2020-08-20 2459093 2020-08-31 -11 SVO
8 7.7 2459331 2021-04-26 2459339 2021-05-04 -8 SVO
9 8.3 2459588 2022-01-08 2459585 2022-01-05 3 SVO
10 7.3 2459821 2022-08-29 2459831 2022-09-08 -10 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.