Maxima for S Boo
Period: 269.88, Epoch: 2455035
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-200   2400792 1861-01-16 2401059 1861-10-10 -267 AnHar, 1909, vol 55, p 95
-199   2401060 1861-10-11 2401329 1862-07-07 -269 AnHar, 1909, vol 55, p 95
-197   2401620 1863-04-24 2401869 1863-12-29 -249 VeBam, 1931, vol 3, p 1
-196   2401894 1864-01-23 2402139 1864-09-24 -245 VeBam, 1931, vol 3, p 1
-195   2402158 1864-10-13 2402408 1865-06-20 -250 VeBam, 1931, vol 3, p 1
-194 8.8 2402431 1865-07-13 2402678 1866-03-17 -247 SVO
-193 8.5 2402710 1866-04-18 2402948 1866-12-12 -238 SVO
-192 8.4 2402980 1867-01-13 2403218 1867-09-08 -238 SVO
-190   2403524 1868-07-10 2403758 1869-03-01 -234 AnHar, 1909, vol 55, p 95
-189 8.0 2403796 1869-04-08 2404028 1869-11-26 -232 SVO
-188   2404070 1870-01-07 2404298 1870-08-23 -228 AnHar, 1909, vol 55, p 95
-187 8.0 2404346 1870-10-10 2404567 1871-05-19 -221 SVO
-186 8.3 2404613 1871-07-04 2404837 1872-02-13 -224 SVO
-185 8.1 2404887 1872-04-03 2405107 1872-11-09 -220 SVO
-184 8.2 2405153 1872-12-25 2405377 1873-08-06 -224 SVO
-183   2405430 1873-09-28 2405647 1874-05-03 -217 AnHar, 1909, vol 55, p 95
-182 8.6 2405705 1874-06-30 2405917 1875-01-28 -212 SVO
-181   2405963 1875-03-15 2406187 1875-10-25 -224 AnHar, 1909, vol 55, p 95
-180   2406248 1875-12-25 2406457 1876-07-21 -209 AnHar, 1909, vol 55, p 95
-179   2406524 1876-09-26 2406726 1877-04-16 -202 AnHar, 1909, vol 55, p 95
-178   2406789 1877-06-18 2406996 1878-01-11 -207 AnHar, 1909, vol 55, p 95
-177   2407051 1878-03-07 2407266 1878-10-08 -215 AnHar, 1909, vol 55, p 95
-175   2407607 1879-09-14 2407806 1880-03-31 -199 AnHar, 1909, vol 55, p 95
-174   2407878 1880-06-11 2408076 1880-12-26 -198 AnHar, 1909, vol 55, p 95
-173   2408150 1881-03-10 2408346 1881-09-22 -196 AnHar, 1909, vol 55, p 95
-172   2408416 1881-12-01 2408616 1882-06-19 -200 AnHar, 1909, vol 55, p 95
-171   2408695 1882-09-06 2408886 1883-03-16 -191 AnHar, 1909, vol 55, p 95
-170   2408953 1883-05-22 2409155 1883-12-10 -202 AnHar, 1909, vol 55, p 95
-168   2409490 1884-11-09 2409695 1885-06-02 -205 AnHar, 1909, vol 55, p 95
-167   2409769 1885-08-15 2409965 1886-02-27 -196 AnHar, 1909, vol 55, p 95
-166   2410042 1886-05-15 2410235 1886-11-24 -193 AnHar, 1909, vol 55, p 95
-164   2410582 1887-11-06 2410775 1888-05-17 -193 AnHar, 1909, vol 55, p 95
-163   2410850 1888-07-31 2411045 1889-02-11 -195 AnHar, 1909, vol 55, p 95
-161 8.6 2411379 1890-01-11 2411584 1890-08-04 -205 SVO
-160 8.3 2411648 1890-10-07 2411854 1891-05-01 -206 SVO
-159 8.4 2411908 1891-06-24 2412124 1892-01-26 -216 SVO
-158   2412182 1892-03-24 2412394 1892-10-22 -212 AnHar, 1909, vol 55, p 95
-157   2412439 1892-12-06 2412664 1893-07-19 -225 AnHar, 1909, vol 55, p 95
-156 8.4 2412704 1893-08-28 2412934 1894-04-15 -230 SVO
-155 8.3 2412970 1894-05-21 2413204 1895-01-10 -234 SVO
-154   2413232 1895-02-07 2413473 1895-10-06 -241 AnHar, 1909, vol 55, p 95
-153 8.1 2413505 1895-11-07 2413743 1896-07-02 -238 SVO
-152 8.5 2413770 1896-07-29 2414013 1897-03-29 -243 SVO
-151   2414049 1897-05-04 2414283 1897-12-24 -234 AnHar, 1909, vol 55, p 95
-150   2414320 1898-01-30 2414553 1898-09-20 -233 AnHar, 1909, vol 55, p 95
-149   2414576 1898-10-13 2414823 1899-06-17 -247 AnHar, 1909, vol 55, p 95
-148   2414839 1899-07-03 2415093 1900-03-14 -254 AnHar, 1909, vol 55, p 95
-147 7.9 2415108 1900-03-29 2415363 1900-12-09 -255 SVO
-146   2415367 1900-12-13 2415633 1901-09-05 -266 AnHar, 1909, vol 55, p 95
-145   2415656 1901-09-28 2415902 1902-06-01 -246 AnHar, 1909, vol 55, p 95
-144   2415914 1902-06-13 2416172 1903-02-26 -258 AnHar, 1909, vol 55, p 95
-143   2416190 1903-03-16 2416442 1903-11-23 -252 AnHar, 1909, vol 55, p 95
-142   2416450 1903-12-01 2416712 1904-08-19 -262 AnHar, 1909, vol 55, p 95
-141   2416727 1904-09-03 2416982 1905-05-16 -255 AnHar, 1909, vol 55, p 95
-140   2416988 1905-05-22 2417252 1906-02-10 -264 AAVSO
-139 8.5 2417263 1906-02-21 2417522 1906-11-07 -259 AAVSO
-138 9.0 2417523 1906-11-08 2417792 1907-08-04 -269 AAVSO
-137 8.5 2417791 1907-08-03 2418061 1908-04-29 -270 SVO
-136 8.1 2418052 1908-04-20 2418331 1909-01-24 -279 AAVSO
-135   2418315 1909-01-08 2418601 1909-10-21 -286 AAVSO
-134 8.0 2418598 1909-10-18 2418871 1910-07-18 -273 AAVSO
-133 8.7 2418858 1910-07-05 2419141 1911-04-14 -283 AAVSO
-132 8.5 2419146 1911-04-19 2419411 1912-01-09 -265 SVO
-131 8.4 2419413 1912-01-11 2419681 1912-10-05 -268 SVO
-130 9.0 2419704 1912-10-28 2419951 1913-07-02 -247 AAVSO
-129 8.1 2419963 1913-07-14 2420220 1914-03-28 -257 SVO
-128 8.3 2420220 1914-03-28 2420490 1914-12-23 -270 SVO
-127 8.0 2420492 1914-12-25 2420760 1915-09-19 -268 SVO
-126 8.4 2420765 1915-09-24 2421030 1916-06-15 -265 SVO
-125 8.4 2421054 1916-07-09 2421300 1917-03-12 -246 SVO
-124 8.6 2421338 1917-04-19 2421570 1917-12-07 -232 SVO
-123 8.5 2421622 1918-01-28 2421840 1918-09-03 -218 AAVSO
-122 8.4 2421891 1918-10-24 2422110 1919-05-31 -219 SVO
-121 8.3 2422164 1919-07-24 2422380 1920-02-25 -216 SVO
-120 8.3 2422441 1920-04-26 2422649 1920-11-20 -208 SVO
-119 8.1 2422717 1921-01-27 2422919 1921-08-17 -202 SVO
-118 8.1 2422986 1921-10-23 2423189 1922-05-14 -203 SVO
-117 8.0 2423262 1922-07-26 2423459 1923-02-08 -197 SVO
-116 8.4 2423537 1923-04-27 2423729 1923-11-05 -192 SVO
-115 8.3 2423810 1924-01-25 2423999 1924-08-01 -189 SVO
-114 8.9 2424091 1924-11-01 2424269 1925-04-28 -178 SVO
-113 8.4 2424365 1925-08-02 2424539 1926-01-23 -174 SVO
-112 8.6 2424648 1926-05-12 2424808 1926-10-19 -160 SVO
-111 8.2 2424921 1927-02-09 2425078 1927-07-16 -157 SVO
-110 8.5 2425195 1927-11-10 2425348 1928-04-11 -153 SVO
-109 8.4 2425466 1928-08-07 2425618 1929-01-06 -152 SVO
-108 8.2 2425734 1929-05-02 2425888 1929-10-03 -154 SVO
-107 8.3 2426001 1930-01-24 2426158 1930-06-30 -157 SVO
-106 8.7 2426277 1930-10-27 2426428 1931-03-27 -151 SVO
-105 8.7 2426552 1931-07-29 2426698 1931-12-22 -146 SVO
-104 8.3 2426817 1932-04-19 2426967 1932-09-16 -150 SVO
-103 8.2 2427089 1933-01-16 2427237 1933-06-13 -148 SVO
-102 8.3 2427359 1933-10-13 2427507 1934-03-10 -148 SVO
-101 8.5 2427626 1934-07-07 2427777 1934-12-05 -151 SVO
-100 8.2 2427891 1935-03-29 2428047 1935-09-01 -156 SVO
-99 8.9 2428165 1935-12-28 2428317 1936-05-28 -152 SVO
-98 8.7 2428440 1936-09-28 2428587 1937-02-22 -147 SVO
-97 8.2 2428701 1937-06-16 2428857 1937-11-19 -156 SVO
-96 8.7 2428982 1938-03-24 2429127 1938-08-16 -145 SVO
-95 8.3 2429249 1938-12-16 2429396 1939-05-12 -147 SVO
-94 8.5 2429520 1939-09-13 2429666 1940-02-06 -146 SVO
-93 8.4 2429793 1940-06-12 2429936 1940-11-02 -143 SVO
-92 8.2 2430064 1941-03-10 2430206 1941-07-30 -142 SVO
-91 8.2 2430329 1941-11-30 2430476 1942-04-26 -147 SVO
-90 8.4 2430598 1942-08-26 2430746 1943-01-21 -148 SVO
-89 8.4 2430869 1943-05-24 2431016 1943-10-18 -147 SVO
-88 8.6 2431133 1944-02-12 2431286 1944-07-14 -153 SVO
-87 9.1 2431417 1944-11-22 2431555 1945-04-09 -138 SVO
-86 8.3 2431684 1945-08-16 2431825 1946-01-04 -141 SVO
-85 8.6 2431952 1946-05-11 2432095 1946-10-01 -143 SVO
-84 8.2 2432217 1947-01-31 2432365 1947-06-28 -148 SVO
-83 8.6 2432484 1947-10-25 2432635 1948-03-24 -151 SVO
-82 8.6 2432752 1948-07-19 2432905 1948-12-19 -153 SVO
-81 8.3 2433017 1949-04-10 2433175 1949-09-15 -158 SVO
-80 8.5 2433283 1950-01-01 2433445 1950-06-12 -162 SVO
-79 8.4 2433549 1950-09-24 2433714 1951-03-08 -165 SVO
-78 8.2 2433819 1951-06-21 2433984 1951-12-03 -165 SVO
-77 9.0 2434084 1952-03-12 2434254 1952-08-29 -170 SVO
-76 8.3 2434346 1952-11-29 2434524 1953-05-26 -178 SVO
-75 8.9 2434640 1953-09-19 2434794 1954-02-20 -154 SVO
-74 8.4 2434911 1954-06-17 2435064 1954-11-17 -153 SVO
-73 8.3 2435176 1955-03-09 2435334 1955-08-14 -158 SVO
-72 8.3 2435444 1955-12-02 2435604 1956-05-10 -160 SVO
-71 8.6 2435727 1956-09-10 2435874 1957-02-04 -147 SVO
-70 8.1 2435991 1957-06-01 2436143 1957-10-31 -152 SVO
-69 8.5 2436265 1958-03-02 2436413 1958-07-28 -148 SVO
-68 8.4 2436543 1958-12-05 2436683 1959-04-24 -140 SVO
-67 8.7 2436827 1959-09-15 2436953 1960-01-19 -126 SVO
-66 8.2 2437092 1960-06-06 2437223 1960-10-15 -131 SVO
-65 8.6 2437368 1961-03-09 2437493 1961-07-12 -125 SVO
-64 8.1 2437632 1961-11-28 2437763 1962-04-08 -131 SVO
-63 8.4 2437899 1962-08-22 2438033 1963-01-03 -134 SVO
-62 8.5 2438181 1963-05-31 2438302 1963-09-29 -121 SVO
-61 8.3 2438445 1964-02-19 2438572 1964-06-25 -127 SVO
-60 8.4 2438708 1964-11-08 2438842 1965-03-22 -134 SVO
-59 8.3 2438983 1965-08-10 2439112 1965-12-17 -129 SVO
-58 8.7 2439256 1966-05-10 2439382 1966-09-13 -126 SVO
-57 8.4 2439525 1967-02-03 2439652 1967-06-10 -127 SVO
-56 8.6 2439795 1967-10-31 2439922 1968-03-06 -127 SVO
-55 8.5 2440071 1968-08-02 2440192 1968-12-01 -121 SVO
-54 8.4 2440335 1969-04-23 2440461 1969-08-27 -126 SVO
-53 8.5 2440607 1970-01-20 2440731 1970-05-24 -124 SVO
-52 8.4 2440883 1970-10-23 2441001 1971-02-18 -118 SVO
-51 8.0 2441140 1971-07-07 2441271 1971-11-15 -131 SVO
-50 8.2 2441405 1972-03-28 2441541 1972-08-11 -136 SVO
-49 8.4 2441672 1972-12-20 2441811 1973-05-08 -139 SVO
-48 8.4 2441951 1973-09-25 2442081 1974-02-02 -130 SVO
-47 8.9 2442230 1974-07-01 2442351 1974-10-30 -121 SVO
-46 8.2 2442503 1975-03-31 2442621 1975-07-27 -118 SVO
-45 8.4 2442768 1975-12-21 2442890 1976-04-21 -122 SVO
-44 8.5 2443034 1976-09-12 2443160 1977-01-16 -126 SVO
-43 8.1 2443299 1977-06-04 2443430 1977-10-13 -131 SVO
-42 8.8 2443576 1978-03-08 2443700 1978-07-10 -124 SVO
-41 8.5 2443854 1978-12-11 2443970 1979-04-06 -116 SVO
-40 8.5 2444125 1979-09-08 2444240 1980-01-01 -115 SVO
-39 8.2 2444401 1980-06-10 2444510 1980-09-27 -109 SVO
-38 8.7 2444676 1981-03-12 2444780 1981-06-24 -104 SVO
-37 8.2 2444946 1981-12-07 2445049 1982-03-20 -103 SVO
-36 8.8 2445226 1982-09-13 2445319 1982-12-15 -93 SVO
-35 8.1 2445493 1983-06-07 2445589 1983-09-11 -96 SVO
-34 8.3 2445772 1984-03-12 2445859 1984-06-07 -87 SVO
-33 8.3 2446036 1984-12-01 2446129 1985-03-04 -93 SVO
-32 8.0 2446300 1985-08-22 2446399 1985-11-29 -99 SVO
-31 8.3 2446572 1986-05-21 2446669 1986-08-26 -97 SVO
-30 8.3 2446848 1987-02-21 2446939 1987-05-23 -91 SVO
-29 9.0 2447125 1987-11-25 2447208 1988-02-16 -83 SVO
-28 8.4 2447404 1988-08-30 2447478 1988-11-12 -74 SVO
-27 8.4 2447678 1989-05-31 2447748 1989-08-09 -70 SVO
-26 8.8 2447955 1990-03-04 2448018 1990-05-06 -63 SVO
-25 8.1 2448221 1990-11-25 2448288 1991-01-31 -67 SVO
-24 8.8 2448504 1991-09-04 2448558 1991-10-28 -54 SVO
-23 8.8 2448785 1992-06-11 2448828 1992-07-24 -43 SVO
-22 8.4 2449054 1993-03-07 2449098 1993-04-20 -44 SVO
-21 8.4 2449328 1993-12-06 2449368 1994-01-15 -40 SVO
-20 8.7 2449604 1994-09-08 2449637 1994-10-11 -33 SVO
-19 8.2 2449873 1995-06-04 2449907 1995-07-08 -34 SVO
-18 8.9 2450153 1996-03-10 2450177 1996-04-03 -24 SVO
-17 8.3 2450422 1996-12-04 2450447 1996-12-29 -25 SVO
-16 8.7 2450696 1997-09-04 2450717 1997-09-25 -21 SVO
-15 8.3 2450963 1998-05-29 2450987 1998-06-22 -24 SVO
-14 8.8 2451237 1999-02-27 2451257 1999-03-19 -20 SVO
-13 8.4 2451513 1999-11-30 2451527 1999-12-14 -14 SVO
-12 8.9 2451792 2000-09-04 2451796 2000-09-08 -4 SVO
-11 8.4 2452063 2001-06-02 2452066 2001-06-05 -3 SVO
-10 8.6 2452340 2002-03-06 2452336 2002-03-02 4 SVO
-9 8.4 2452615 2002-12-06 2452606 2002-11-27 9 SVO
-8 8.6 2452888 2003-09-05 2452876 2003-08-24 12 SVO
-7 8.2 2453160 2004-06-03 2453146 2004-05-20 14 SVO
-6 8.4 2453422 2005-02-20 2453416 2005-02-14 6 SVO
-5 8.3 2453689 2005-11-14 2453686 2005-11-11 3 SVO
-4 8.5 2453955 2006-08-07 2453955 2006-08-07 0 SVO
-3 8.8 2454235 2007-05-14 2454225 2007-05-04 10 SVO
-2 8.2 2454498 2008-02-01 2454495 2008-01-29 3 SVO
-1 8.5 2454767 2008-10-27 2454765 2008-10-25 2 SVO
0 8.2 2455028 2009-07-15 2455035 2009-07-22 -7 SVO
1 8.8 2455296 2010-04-09 2455305 2010-04-18 -9 SVO
2 8.5 2455568 2011-01-06 2455575 2011-01-13 -7 SVO
3 8.3 2455824 2011-09-19 2455845 2011-10-10 -21 SVO
4 8.4 2456087 2012-06-08 2456115 2012-07-06 -28 SVO
5 8.4 2456356 2013-03-04 2456384 2013-04-01 -28 SVO
6 8.5 2456628 2013-12-01 2456654 2013-12-27 -26 SVO
7 8.6 2456899 2014-08-29 2456924 2014-09-23 -25 SVO
8 8.6 2457166 2015-05-23 2457194 2015-06-20 -28 SVO
9 8.7 2457437 2016-02-18 2457464 2016-03-16 -27 SVO
10 8.1 2457701 2016-11-08 2457734 2016-12-11 -33 SVO
11 8.4 2457959 2017-07-24 2458004 2017-09-07 -45 SVO
12 8.6 2458230 2018-04-21 2458274 2018-06-04 -44 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.