Maxima for S Boo
Period: 270.73, Epoch: 2444116
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-160   2400792 1861-01-16 2400799 1861-01-23 -7 AnHar, 1909, vol 55, p 95
-159   2401060 1861-10-11 2401070 1861-10-21 -10 AnHar, 1909, vol 55, p 95
-157   2401620 1863-04-24 2401611 1863-04-15 9 VeBam, 1931, vol 3, p 1
-156   2401894 1864-01-23 2401882 1864-01-11 12 VeBam, 1931, vol 3, p 1
-155   2402158 1864-10-13 2402153 1864-10-08 5 VeBam, 1931, vol 3, p 1
-154 8.8 2402431 1865-07-13 2402424 1865-07-06 7 SVO
-153 8.5 2402710 1866-04-18 2402694 1866-04-02 16 SVO
-152 8.4 2402980 1867-01-13 2402965 1866-12-29 15 SVO
-150   2403524 1868-07-10 2403507 1868-06-23 17 AnHar, 1909, vol 55, p 95
-149 8.0 2403796 1869-04-08 2403777 1869-03-20 19 SVO
-148   2404070 1870-01-07 2404048 1869-12-16 22 AnHar, 1909, vol 55, p 95
-147 8.0 2404346 1870-10-10 2404319 1870-09-13 27 SVO
-146 8.3 2404613 1871-07-04 2404589 1871-06-10 24 SVO
-145 8.1 2404887 1872-04-03 2404860 1872-03-07 27 SVO
-144 8.2 2405153 1872-12-25 2405131 1872-12-03 22 SVO
-143   2405430 1873-09-28 2405402 1873-08-31 28 AnHar, 1909, vol 55, p 95
-142 8.6 2405705 1874-06-30 2405672 1874-05-28 33 SVO
-141   2405963 1875-03-15 2405943 1875-02-23 20 AnHar, 1909, vol 55, p 95
-140   2406248 1875-12-25 2406214 1875-11-21 34 AnHar, 1909, vol 55, p 95
-139   2406524 1876-09-26 2406485 1876-08-18 39 AnHar, 1909, vol 55, p 95
-138   2406789 1877-06-18 2406755 1877-05-15 34 AnHar, 1909, vol 55, p 95
-137   2407051 1878-03-07 2407026 1878-02-10 25 AnHar, 1909, vol 55, p 95
-135   2407607 1879-09-14 2407567 1879-08-05 40 AnHar, 1909, vol 55, p 95
-134   2407878 1880-06-11 2407838 1880-05-02 40 AnHar, 1909, vol 55, p 95
-133   2408150 1881-03-10 2408109 1881-01-28 41 AnHar, 1909, vol 55, p 95
-132   2408416 1881-12-01 2408380 1881-10-26 36 AnHar, 1909, vol 55, p 95
-131   2408695 1882-09-06 2408650 1882-07-23 45 AnHar, 1909, vol 55, p 95
-130   2408953 1883-05-22 2408921 1883-04-20 32 AnHar, 1909, vol 55, p 95
-128   2409490 1884-11-09 2409463 1884-10-13 27 AnHar, 1909, vol 55, p 95
-127   2409769 1885-08-15 2409733 1885-07-10 36 AnHar, 1909, vol 55, p 95
-126   2410042 1886-05-15 2410004 1886-04-07 38 AnHar, 1909, vol 55, p 95
-124   2410582 1887-11-06 2410545 1887-09-30 37 AnHar, 1909, vol 55, p 95
-123   2410850 1888-07-31 2410816 1888-06-27 34 AnHar, 1909, vol 55, p 95
-121 8.6 2411379 1890-01-11 2411358 1889-12-21 21 SVO
-120 8.3 2411648 1890-10-07 2411628 1890-09-17 20 SVO
-119 8.4 2411908 1891-06-24 2411899 1891-06-15 9 SVO
-118   2412182 1892-03-24 2412170 1892-03-12 12 AnHar, 1909, vol 55, p 95
-117   2412439 1892-12-06 2412441 1892-12-08 -2 AnHar, 1909, vol 55, p 95
-116 8.4 2412704 1893-08-28 2412711 1893-09-04 -7 SVO
-115 8.3 2412970 1894-05-21 2412982 1894-06-02 -12 SVO
-114   2413232 1895-02-07 2413253 1895-02-28 -21 AnHar, 1909, vol 55, p 95
-113 8.1 2413505 1895-11-07 2413524 1895-11-26 -19 SVO
-112 8.5 2413770 1896-07-29 2413794 1896-08-22 -24 SVO
-111   2414049 1897-05-04 2414065 1897-05-20 -16 AnHar, 1909, vol 55, p 95
-110   2414320 1898-01-30 2414336 1898-02-15 -16 AnHar, 1909, vol 55, p 95
-109   2414576 1898-10-13 2414606 1898-11-12 -30 AnHar, 1909, vol 55, p 95
-108   2414839 1899-07-03 2414877 1899-08-10 -38 AnHar, 1909, vol 55, p 95
-107 7.9 2415108 1900-03-29 2415148 1900-05-08 -40 SVO
-106   2415367 1900-12-13 2415419 1901-02-03 -52 AnHar, 1909, vol 55, p 95
-105   2415656 1901-09-28 2415689 1901-10-31 -33 AnHar, 1909, vol 55, p 95
-104   2415914 1902-06-13 2415960 1902-07-29 -46 AnHar, 1909, vol 55, p 95
-103   2416190 1903-03-16 2416231 1903-04-26 -41 AnHar, 1909, vol 55, p 95
-102   2416450 1903-12-01 2416502 1904-01-22 -52 AnHar, 1909, vol 55, p 95
-101   2416727 1904-09-03 2416772 1904-10-18 -45 AnHar, 1909, vol 55, p 95
-100   2416988 1905-05-22 2417043 1905-07-16 -55 AAVSO
-99 8.5 2417263 1906-02-21 2417314 1906-04-13 -51 AAVSO
-98 9.0 2417523 1906-11-08 2417584 1907-01-08 -61 AAVSO
-97 8.5 2417791 1907-08-03 2417855 1907-10-06 -64 SVO
-96 8.1 2418052 1908-04-20 2418126 1908-07-03 -74 AAVSO
-95   2418315 1909-01-08 2418397 1909-03-31 -82 AAVSO
-94 8.0 2418598 1909-10-18 2418667 1909-12-26 -69 AAVSO
-93 8.7 2418858 1910-07-05 2418938 1910-09-23 -80 AAVSO
-92 8.5 2419146 1911-04-19 2419209 1911-06-21 -63 SVO
-91 8.4 2419413 1912-01-11 2419480 1912-03-18 -67 SVO
-90 9.0 2419704 1912-10-28 2419750 1912-12-13 -46 AAVSO
-89 8.1 2419963 1913-07-14 2420021 1913-09-10 -58 SVO
-88 8.3 2420220 1914-03-28 2420292 1914-06-08 -72 SVO
-87 8.0 2420492 1914-12-25 2420562 1915-03-05 -70 SVO
-86 8.4 2420765 1915-09-24 2420833 1915-12-01 -68 SVO
-85 8.4 2421054 1916-07-09 2421104 1916-08-28 -50 SVO
-84 8.6 2421338 1917-04-19 2421375 1917-05-26 -37 SVO
-83 8.5 2421622 1918-01-28 2421645 1918-02-20 -23 AAVSO
-82 8.4 2421891 1918-10-24 2421916 1918-11-18 -25 SVO
-81 8.3 2422164 1919-07-24 2422187 1919-08-16 -23 SVO
-80 8.3 2422441 1920-04-26 2422458 1920-05-13 -17 SVO
-79 8.1 2422717 1921-01-27 2422728 1921-02-07 -11 SVO
-78 8.1 2422986 1921-10-23 2422999 1921-11-05 -13 SVO
-77 8.0 2423262 1922-07-26 2423270 1922-08-03 -8 SVO
-76 8.4 2423537 1923-04-27 2423541 1923-05-01 -4 SVO
-75 8.3 2423810 1924-01-25 2423811 1924-01-26 -1 SVO
-74 8.9 2424091 1924-11-01 2424082 1924-10-23 9 SVO
-73 8.4 2424365 1925-08-02 2424353 1925-07-21 12 SVO
-72 8.6 2424648 1926-05-12 2424623 1926-04-17 25 SVO
-71 8.2 2424921 1927-02-09 2424894 1927-01-13 27 SVO
-70 8.5 2425195 1927-11-10 2425165 1927-10-11 30 SVO
-69 8.4 2425466 1928-08-07 2425436 1928-07-08 30 SVO
-68 8.2 2425734 1929-05-02 2425706 1929-04-04 28 SVO
-67 8.3 2426001 1930-01-24 2425977 1929-12-31 24 SVO
-66 8.7 2426277 1930-10-27 2426248 1930-09-28 29 SVO
-65 8.7 2426552 1931-07-29 2426519 1931-06-26 33 SVO
-64 8.3 2426817 1932-04-19 2426789 1932-03-22 28 SVO
-63 8.2 2427089 1933-01-16 2427060 1932-12-18 29 SVO
-62 8.3 2427359 1933-10-13 2427331 1933-09-15 28 SVO
-61 8.5 2427626 1934-07-07 2427601 1934-06-12 25 SVO
-60 8.2 2427891 1935-03-29 2427872 1935-03-10 19 SVO
-59 8.9 2428165 1935-12-28 2428143 1935-12-06 22 SVO
-58 8.7 2428440 1936-09-28 2428414 1936-09-02 26 SVO
-57 8.2 2428701 1937-06-16 2428684 1937-05-30 17 SVO
-56 8.7 2428982 1938-03-24 2428955 1938-02-25 27 SVO
-55 8.3 2429249 1938-12-16 2429226 1938-11-23 23 SVO
-54 8.5 2429520 1939-09-13 2429497 1939-08-21 23 SVO
-53 8.4 2429793 1940-06-12 2429767 1940-05-17 26 SVO
-52 8.2 2430064 1941-03-10 2430038 1941-02-12 26 SVO
-51 8.2 2430329 1941-11-30 2430309 1941-11-10 20 SVO
-50 8.4 2430598 1942-08-26 2430580 1942-08-08 18 SVO
-49 8.4 2430869 1943-05-24 2430850 1943-05-05 19 SVO
-48 8.6 2431133 1944-02-12 2431121 1944-01-31 12 SVO
-47 9.1 2431417 1944-11-22 2431392 1944-10-28 25 SVO
-46 8.3 2431684 1945-08-16 2431662 1945-07-25 22 SVO
-45 8.6 2431952 1946-05-11 2431933 1946-04-22 19 SVO
-44 8.2 2432217 1947-01-31 2432204 1947-01-18 13 SVO
-43 8.6 2432484 1947-10-25 2432475 1947-10-16 9 SVO
-42 8.6 2432752 1948-07-19 2432745 1948-07-12 7 SVO
-41 8.3 2433017 1949-04-10 2433016 1949-04-09 1 SVO
-40 8.5 2433283 1950-01-01 2433287 1950-01-05 -4 SVO
-39 8.4 2433549 1950-09-24 2433558 1950-10-03 -9 SVO
-38 8.2 2433819 1951-06-21 2433828 1951-06-30 -9 SVO
-37 9.0 2434084 1952-03-12 2434099 1952-03-27 -15 SVO
-36 8.3 2434346 1952-11-29 2434370 1952-12-23 -24 SVO
-35 8.9 2434640 1953-09-19 2434640 1953-09-19 0 SVO
-34 8.4 2434911 1954-06-17 2434911 1954-06-17 0 SVO
-33 8.3 2435176 1955-03-09 2435182 1955-03-15 -6 SVO
-32 8.3 2435444 1955-12-02 2435453 1955-12-11 -9 SVO
-31 8.6 2435727 1956-09-10 2435723 1956-09-06 4 SVO
-30 8.1 2435991 1957-06-01 2435994 1957-06-04 -3 SVO
-29 8.5 2436265 1958-03-02 2436265 1958-03-02 0 SVO
-28 8.4 2436543 1958-12-05 2436536 1958-11-28 7 SVO
-27 8.7 2436827 1959-09-15 2436806 1959-08-25 21 SVO
-26 8.2 2437092 1960-06-06 2437077 1960-05-22 15 SVO
-25 8.6 2437368 1961-03-09 2437348 1961-02-17 20 SVO
-24 8.1 2437632 1961-11-28 2437618 1961-11-14 14 SVO
-23 8.4 2437899 1962-08-22 2437889 1962-08-12 10 SVO
-22 8.5 2438181 1963-05-31 2438160 1963-05-10 21 SVO
-21 8.3 2438445 1964-02-19 2438431 1964-02-05 14 SVO
-20 8.4 2438708 1964-11-08 2438701 1964-11-01 7 SVO
-19 8.3 2438983 1965-08-10 2438972 1965-07-30 11 SVO
-18 8.7 2439256 1966-05-10 2439243 1966-04-27 13 SVO
-17 8.4 2439525 1967-02-03 2439514 1967-01-23 11 SVO
-16 8.6 2439795 1967-10-31 2439784 1967-10-20 11 SVO
-15 8.5 2440071 1968-08-02 2440055 1968-07-17 16 SVO
-14 8.4 2440335 1969-04-23 2440326 1969-04-14 9 SVO
-13 8.5 2440607 1970-01-20 2440597 1970-01-10 10 SVO
-12 8.4 2440883 1970-10-23 2440867 1970-10-07 16 SVO
-11 8.0 2441140 1971-07-07 2441138 1971-07-05 2 SVO
-10 8.2 2441405 1972-03-28 2441409 1972-04-01 -4 SVO
-9 8.4 2441672 1972-12-20 2441679 1972-12-27 -7 SVO
-8 8.4 2441951 1973-09-25 2441950 1973-09-24 1 SVO
-7 8.9 2442230 1974-07-01 2442221 1974-06-22 9 SVO
-6 8.2 2442503 1975-03-31 2442492 1975-03-20 11 SVO
-5 8.4 2442768 1975-12-21 2442762 1975-12-15 6 SVO
-4 8.5 2443034 1976-09-12 2443033 1976-09-11 1 SVO
-3 8.1 2443299 1977-06-04 2443304 1977-06-09 -5 SVO
-2 8.8 2443576 1978-03-08 2443575 1978-03-07 1 SVO
-1 8.5 2443854 1978-12-11 2443845 1978-12-02 9 SVO
0 8.5 2444125 1979-09-08 2444116 1979-08-30 9 SVO
1 8.2 2444401 1980-06-10 2444387 1980-05-27 14 SVO
2 8.7 2444676 1981-03-12 2444657 1981-02-21 19 SVO
3 8.2 2444946 1981-12-07 2444928 1981-11-19 18 SVO
4 8.8 2445226 1982-09-13 2445199 1982-08-17 27 SVO
5 8.1 2445493 1983-06-07 2445470 1983-05-15 23 SVO
6 8.3 2445772 1984-03-12 2445740 1984-02-09 32 SVO
7 8.3 2446036 1984-12-01 2446011 1984-11-06 25 SVO
8 8.0 2446300 1985-08-22 2446282 1985-08-04 18 SVO
9 8.3 2446572 1986-05-21 2446553 1986-05-02 19 SVO
10 8.3 2446848 1987-02-21 2446823 1987-01-27 25 SVO
11 9.0 2447125 1987-11-25 2447094 1987-10-25 31 SVO
12 8.4 2447404 1988-08-30 2447365 1988-07-22 39 SVO
13 8.4 2447678 1989-05-31 2447635 1989-04-18 43 SVO
14 8.8 2447955 1990-03-04 2447906 1990-01-14 49 SVO
15 8.1 2448221 1990-11-25 2448177 1990-10-12 44 SVO
16 8.8 2448504 1991-09-04 2448448 1991-07-10 56 SVO
17 8.8 2448785 1992-06-11 2448718 1992-04-05 67 SVO
18 8.4 2449054 1993-03-07 2448989 1993-01-01 65 SVO
19 8.4 2449328 1993-12-06 2449260 1993-09-29 68 SVO
20 8.7 2449604 1994-09-08 2449531 1994-06-27 73 SVO
21 8.2 2449873 1995-06-04 2449801 1995-03-24 72 SVO
22 8.9 2450153 1996-03-10 2450072 1995-12-20 81 SVO
23 8.3 2450422 1996-12-04 2450343 1996-09-16 79 SVO
24 8.7 2450696 1997-09-04 2450614 1997-06-14 82 SVO
25 8.3 2450963 1998-05-29 2450884 1998-03-11 79 SVO
26 8.8 2451237 1999-02-27 2451155 1998-12-07 82 SVO
27 8.4 2451513 1999-11-30 2451426 1999-09-04 87 SVO
28 8.9 2451792 2000-09-04 2451696 2000-05-31 96 SVO
29 8.4 2452063 2001-06-02 2451967 2001-02-26 96 SVO
30 8.6 2452340 2002-03-06 2452238 2001-11-24 102 SVO
31 8.4 2452615 2002-12-06 2452509 2002-08-22 106 SVO
32 8.6 2452888 2003-09-05 2452779 2003-05-19 109 SVO
33 8.2 2453160 2004-06-03 2453050 2004-02-14 110 SVO
34 8.4 2453422 2005-02-20 2453321 2004-11-11 101 SVO
35 8.3 2453689 2005-11-14 2453592 2005-08-09 97 SVO
36 8.5 2453955 2006-08-07 2453862 2006-05-06 93 SVO
37 8.8 2454235 2007-05-14 2454133 2007-02-01 102 SVO
38 8.2 2454498 2008-02-01 2454404 2007-10-30 94 SVO
39 8.5 2454767 2008-10-27 2454674 2008-07-26 93 SVO
40 8.2 2455028 2009-07-15 2454945 2009-04-23 83 SVO
41 8.8 2455296 2010-04-09 2455216 2010-01-19 80 SVO
42 8.5 2455568 2011-01-06 2455487 2010-10-17 81 SVO
43 8.3 2455824 2011-09-19 2455757 2011-07-14 67 SVO
44 8.4 2456087 2012-06-08 2456028 2012-04-10 59 SVO
45 8.4 2456356 2013-03-04 2456299 2013-01-06 57 SVO
46 8.5 2456628 2013-12-01 2456570 2013-10-04 58 SVO
47 8.6 2456899 2014-08-29 2456840 2014-07-01 59 SVO
48 8.6 2457166 2015-05-23 2457111 2015-03-29 55 SVO
49 8.7 2457437 2016-02-18 2457382 2015-12-25 55 SVO
50 8.1 2457701 2016-11-08 2457653 2016-09-21 48 SVO
51 8.4 2457959 2017-07-24 2457923 2017-06-18 36 SVO
52 8.6 2458230 2018-04-21 2458194 2018-03-16 36 SVO
53 8.5 2458492 2019-01-08 2458465 2018-12-12 27 SVO
54 8.7 2458772 2019-10-15 2458735 2019-09-08 37 SVO
55 8.4 2459039 2020-07-08 2459006 2020-06-05 33 SVO
56 8.8 2459312 2021-04-07 2459277 2021-03-03 35 SVO
57 8.5 2459577 2021-12-28 2459548 2021-11-29 29 SVO
58 8.6 2459844 2022-09-21 2459818 2022-08-26 26 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.