E | Mag | O (JD) | O (dat) | C (JD) | C (Dat) | O-C | Source |
-216 | 2414565 | 1898-10-02 | 2414554 | 1898-09-21 | 11 | SVO | |
-214 | 2414944 | 1899-10-16 | 2414919 | 1899-09-21 | 25 | AnHar, 1909, vol 55, p 95 | |
-212 | 2415298 | 1900-10-05 | 2415283 | 1900-09-20 | 15 | SVO | |
-210 | 2415660 | 1901-10-02 | 2415648 | 1901-09-20 | 12 | SVO | |
-208 | 2416025 | 1902-10-02 | 2416013 | 1902-09-20 | 12 | SVO | |
-206 | 2416392 | 1903-10-04 | 2416378 | 1903-09-20 | 14 | AnHar, 1909, vol 55, p 95 | |
-204 | 2416749 | 1904-09-25 | 2416743 | 1904-09-19 | 6 | SVO | |
-202 | 2417104 | 1905-09-15 | 2417108 | 1905-09-19 | -4 | AAVSO | |
-200 | 2417464 | 1906-09-10 | 2417473 | 1906-09-19 | -9 | AAVSO | |
-198 | 9.0 | 2417833 | 1907-09-14 | 2417838 | 1907-09-19 | -5 | AAVSO |
-196 | 2418196 | 1908-09-11 | 2418203 | 1908-09-18 | -7 | AAVSO | |
-194 | 9.3 | 2418560 | 1909-09-10 | 2418568 | 1909-09-18 | -8 | AAVSO |
-192 | 9.1 | 2418918 | 1910-09-03 | 2418932 | 1910-09-17 | -14 | AAVSO |
-190 | 2419291 | 1911-09-11 | 2419297 | 1911-09-17 | -6 | SVO | |
-186 | 2420021 | 1913-09-10 | 2420027 | 1913-09-16 | -6 | SVO | |
-184 | 2420389 | 1914-09-13 | 2420392 | 1914-09-16 | -3 | SVO | |
-183 | 2420565 | 1915-03-08 | 2420575 | 1915-03-18 | -10 | AAVSO | |
-182 | 2420747 | 1915-09-06 | 2420757 | 1915-09-16 | -10 | AAVSO | |
-178 | 2421469 | 1917-08-28 | 2421487 | 1917-09-15 | -18 | AAVSO | |
-176 | 2421846 | 1918-09-09 | 2421852 | 1918-09-15 | -6 | AAVSO | |
-174 | 2422208 | 1919-09-06 | 2422217 | 1919-09-15 | -9 | AAVSO | |
-172 | 2422580 | 1920-09-12 | 2422581 | 1920-09-13 | -1 | SVO | |
-170 | 2422940 | 1921-09-07 | 2422946 | 1921-09-13 | -6 | SVO | |
-168 | 9.1 | 2423304 | 1922-09-06 | 2423311 | 1922-09-13 | -7 | SVO |
-167 | 2423483 | 1923-03-04 | 2423494 | 1923-03-15 | -11 | AAVSO | |
-166 | 9.4 | 2423672 | 1923-09-09 | 2423676 | 1923-09-13 | -4 | AAVSO |
-165 | 2423853 | 1924-03-08 | 2423859 | 1924-03-14 | -6 | AAVSO | |
-164 | 9.6 | 2424036 | 1924-09-07 | 2424041 | 1924-09-12 | -5 | AAVSO |
-163 | 2424214 | 1925-03-04 | 2424224 | 1925-03-14 | -10 | AAVSO | |
-162 | 9.1 | 2424402 | 1925-09-08 | 2424406 | 1925-09-12 | -4 | AAVSO |
-161 | 2424582 | 1926-03-07 | 2424588 | 1926-03-13 | -6 | AAVSO | |
-160 | 9.8 | 2424762 | 1926-09-03 | 2424771 | 1926-09-12 | -9 | AAVSO |
-159 | 2424949 | 1927-03-09 | 2424953 | 1927-03-13 | -4 | AAVSO | |
-158 | 9.4 | 2425133 | 1927-09-09 | 2425136 | 1927-09-12 | -3 | AAVSO |
-157 | 2425316 | 1928-03-10 | 2425318 | 1928-03-12 | -2 | AAVSO | |
-156 | 9.5 | 2425486 | 1928-08-27 | 2425501 | 1928-09-11 | -15 | AAVSO |
-155 | 2425668 | 1929-02-25 | 2425683 | 1929-03-12 | -15 | AAVSO | |
-154 | 9.7 | 2425859 | 1929-09-04 | 2425866 | 1929-09-11 | -7 | SVO |
-153 | 2426046 | 1930-03-10 | 2426048 | 1930-03-12 | -2 | AAVSO | |
-152 | 9.8 | 2426232 | 1930-09-12 | 2426230 | 1930-09-10 | 2 | SVO |
-151 | 2426415 | 1931-03-14 | 2426413 | 1931-03-12 | 2 | AAVSO | |
-150 | 10.5 | 2426592 | 1931-09-07 | 2426595 | 1931-09-10 | -3 | AAVSO |
-149 | 2426766 | 1932-02-28 | 2426778 | 1932-03-11 | -12 | AAVSO | |
-148 | 11.4 | 2426959 | 1932-09-08 | 2426960 | 1932-09-09 | -1 | SVO |
-147 | 2427130 | 1933-02-26 | 2427143 | 1933-03-11 | -13 | AAVSO | |
-146 | 9.5 | 2427314 | 1933-08-29 | 2427325 | 1933-09-09 | -11 | AAVSO |
-145 | 2427487 | 1934-02-18 | 2427508 | 1934-03-11 | -21 | AAVSO | |
-144 | 9.7 | 2427674 | 1934-08-24 | 2427690 | 1934-09-09 | -16 | SVO |
-142 | 9.7 | 2428052 | 1935-09-06 | 2428055 | 1935-09-09 | -3 | SVO |
-140 | 9.7 | 2428427 | 1936-09-15 | 2428420 | 1936-09-08 | 7 | AAVSO |
-138 | 9.9 | 2428794 | 1937-09-17 | 2428785 | 1937-09-08 | 9 | SVO |
-136 | 10.3 | 2429158 | 1938-09-16 | 2429150 | 1938-09-08 | 8 | SVO |
-135 | 2429346 | 1939-03-23 | 2429332 | 1939-03-09 | 14 | AAVSO | |
-134 | 9.6 | 2429524 | 1939-09-17 | 2429515 | 1939-09-08 | 9 | SVO |
-132 | 10.2 | 2429893 | 1940-09-20 | 2429880 | 1940-09-07 | 13 | SVO |
-131 | 2430069 | 1941-03-15 | 2430062 | 1941-03-08 | 7 | AAVSO | |
-130 | 10.0 | 2430250 | 1941-09-12 | 2430244 | 1941-09-06 | 6 | SVO |
-128 | 9.4 | 2430617 | 1942-09-14 | 2430609 | 1942-09-06 | 8 | SVO |
-126 | 9.4 | 2430982 | 1943-09-14 | 2430974 | 1943-09-06 | 8 | AAVSO |
-125 | 2431167 | 1944-03-17 | 2431157 | 1944-03-07 | 10 | AAVSO | |
-124 | 9.7 | 2431349 | 1944-09-15 | 2431339 | 1944-09-05 | 10 | SVO |
-123 | 2431535 | 1945-03-20 | 2431522 | 1945-03-07 | 13 | AAVSO | |
-122 | 9.4 | 2431707 | 1945-09-08 | 2431704 | 1945-09-05 | 3 | SVO |
-120 | 9.6 | 2432077 | 1946-09-13 | 2432069 | 1946-09-05 | 8 | AAVSO |
-118 | 9.7 | 2432441 | 1947-09-12 | 2432434 | 1947-09-05 | 7 | SVO |
-117 | 2432617 | 1948-03-06 | 2432616 | 1948-03-05 | 1 | AAVSO | |
-116 | 9.7 | 2432802 | 1948-09-07 | 2432799 | 1948-09-04 | 3 | SVO |
-115 | 2432986 | 1949-03-10 | 2432981 | 1949-03-05 | 5 | AAVSO | |
-114 | 9.4 | 2433162 | 1949-09-02 | 2433164 | 1949-09-04 | -2 | SVO |
-113 | 2433350 | 1950-03-09 | 2433346 | 1950-03-05 | 4 | AAVSO | |
-112 | 9.8 | 2433532 | 1950-09-07 | 2433529 | 1950-09-04 | 3 | SVO |
-111 | 2433709 | 1951-03-03 | 2433711 | 1951-03-05 | -2 | AAVSO | |
-110 | 9.4 | 2433894 | 1951-09-04 | 2433893 | 1951-09-03 | 1 | AAVSO |
-109 | 2434071 | 1952-02-28 | 2434076 | 1952-03-04 | -5 | AAVSO | |
-108 | 9.7 | 2434253 | 1952-08-28 | 2434258 | 1952-09-02 | -5 | SVO |
-107 | 2434438 | 1953-03-01 | 2434441 | 1953-03-04 | -3 | AAVSO | |
-106 | 9.6 | 2434625 | 1953-09-04 | 2434623 | 1953-09-02 | 2 | SVO |
-105 | 2434800 | 1954-02-26 | 2434806 | 1954-03-04 | -6 | AAVSO | |
-104 | 9.7 | 2434997 | 1954-09-11 | 2434988 | 1954-09-02 | 9 | SVO |
-103 | 2435168 | 1955-03-01 | 2435171 | 1955-03-04 | -3 | AAVSO | |
-102 | 9.6 | 2435355 | 1955-09-04 | 2435353 | 1955-09-02 | 2 | SVO |
-101 | 2435539 | 1956-03-06 | 2435536 | 1956-03-03 | 3 | AAVSO | |
-100 | 9.7 | 2435720 | 1956-09-03 | 2435718 | 1956-09-01 | 2 | SVO |
-99 | 2435911 | 1957-03-13 | 2435900 | 1957-03-02 | 11 | AAVSO | |
-98 | 10.6 | 2436103 | 1957-09-21 | 2436083 | 1957-09-01 | 20 | SVO |
-97 | 2436272 | 1958-03-09 | 2436265 | 1958-03-02 | 7 | AAVSO | |
-96 | 9.8 | 2436455 | 1958-09-08 | 2436448 | 1958-09-01 | 7 | SVO |
-95 | 2436644 | 1959-03-16 | 2436630 | 1959-03-02 | 14 | AAVSO | |
-94 | 9.5 | 2436829 | 1959-09-17 | 2436813 | 1959-09-01 | 16 | SVO |
-93 | 2437005 | 1960-03-11 | 2436995 | 1960-03-01 | 10 | AAVSO | |
-92 | 9.7 | 2437197 | 1960-09-19 | 2437178 | 1960-08-31 | 19 | SVO |
-91 | 2437371 | 1961-03-12 | 2437360 | 1961-03-01 | 11 | AAVSO | |
-90 | 10.6 | 2437549 | 1961-09-06 | 2437542 | 1961-08-30 | 7 | SVO |
-89 | 2437733 | 1962-03-09 | 2437725 | 1962-03-01 | 8 | AAVSO | |
-88 | 9.6 | 2437919 | 1962-09-11 | 2437907 | 1962-08-30 | 12 | SVO |
-87 | 2438102 | 1963-03-13 | 2438090 | 1963-03-01 | 12 | AAVSO | |
-86 | 9.6 | 2438284 | 1963-09-11 | 2438272 | 1963-08-30 | 12 | SVO |
-85 | 2438466 | 1964-03-11 | 2438455 | 1964-02-29 | 11 | AAVSO | |
-84 | 9.7 | 2438646 | 1964-09-07 | 2438637 | 1964-08-29 | 9 | SVO |
-83 | 2438832 | 1965-03-12 | 2438820 | 1965-02-28 | 12 | AAVSO | |
-82 | 10.2 | 2439018 | 1965-09-14 | 2439002 | 1965-08-29 | 16 | SVO |
-81 | 2439206 | 1966-03-21 | 2439185 | 1966-02-28 | 21 | AAVSO | |
-80 | 9.1 | 2439368 | 1966-08-30 | 2439367 | 1966-08-29 | 1 | SVO |
-79 | 2439557 | 1967-03-07 | 2439549 | 1967-02-27 | 8 | AAVSO | |
-78 | 9.7 | 2439734 | 1967-08-31 | 2439732 | 1967-08-29 | 2 | SVO |
-77 | 2439923 | 1968-03-07 | 2439914 | 1968-02-27 | 9 | AAVSO | |
-76 | 9.5 | 2440104 | 1968-09-04 | 2440097 | 1968-08-28 | 7 | SVO |
-75 | 2440288 | 1969-03-07 | 2440279 | 1969-02-26 | 9 | AAVSO | |
-74 | 9.9 | 2440474 | 1969-09-09 | 2440462 | 1969-08-28 | 12 | SVO |
-73 | 2440654 | 1970-03-08 | 2440644 | 1970-02-26 | 10 | AAVSO | |
-72 | 10.6 | 2440837 | 1970-09-07 | 2440827 | 1970-08-28 | 10 | AAVSO |
-71 | 2441016 | 1971-03-05 | 2441009 | 1971-02-26 | 7 | AAVSO | |
-70 | 9.8 | 2441201 | 1971-09-06 | 2441192 | 1971-08-28 | 9 | SVO |
-69 | 2441385 | 1972-03-08 | 2441374 | 1972-02-26 | 11 | AAVSO | |
-68 | 9.5 | 2441559 | 1972-08-29 | 2441556 | 1972-08-26 | 3 | AAVSO |
-67 | 2441745 | 1973-03-03 | 2441739 | 1973-02-25 | 6 | AAVSO | |
-66 | 10.0 | 2441926 | 1973-08-31 | 2441921 | 1973-08-26 | 5 | SVO |
-65 | 2442114 | 1974-03-07 | 2442104 | 1974-02-25 | 10 | AAVSO | |
-64 | 10.6 | 2442295 | 1974-09-04 | 2442286 | 1974-08-26 | 9 | SVO |
-63 | 2442481 | 1975-03-09 | 2442469 | 1975-02-25 | 12 | AAVSO | |
-62 | 9.7 | 2442655 | 1975-08-30 | 2442651 | 1975-08-26 | 4 | SVO |
-61 | 2442839 | 1976-03-01 | 2442834 | 1976-02-25 | 5 | AAVSO | |
-60 | 9.4 | 2443001 | 1976-08-10 | 2443016 | 1976-08-25 | -15 | SVO |
-59 | 2443183 | 1977-02-08 | 2443198 | 1977-02-23 | -15 | AAVSO | |
-58 | 9.7 | 2443371 | 1977-08-15 | 2443381 | 1977-08-25 | -10 | SVO |
-57 | 2443555 | 1978-02-15 | 2443563 | 1978-02-23 | -8 | AAVSO | |
-56 | 9.8 | 2443740 | 1978-08-19 | 2443746 | 1978-08-25 | -6 | SVO |
-55 | 10.8 | 2443925 | 1979-02-20 | 2443928 | 1979-02-23 | -3 | AAVSO |
-54 | 9.4 | 2444103 | 1979-08-17 | 2444111 | 1979-08-25 | -8 | SVO |
-53 | 2444290 | 1980-02-20 | 2444293 | 1980-02-23 | -3 | AAVSO | |
-52 | 9.8 | 2444466 | 1980-08-14 | 2444476 | 1980-08-24 | -10 | SVO |
-51 | 2444656 | 1981-02-20 | 2444658 | 1981-02-22 | -2 | AAVSO | |
-50 | 9.6 | 2444826 | 1981-08-09 | 2444841 | 1981-08-24 | -15 | SVO |
-49 | 2445017 | 1982-02-16 | 2445023 | 1982-02-22 | -6 | AAVSO | |
-48 | 9.7 | 2445191 | 1982-08-09 | 2445205 | 1982-08-23 | -14 | SVO |
-47 | 2445382 | 1983-02-16 | 2445388 | 1983-02-22 | -6 | AAVSO | |
-46 | 9.4 | 2445563 | 1983-08-16 | 2445570 | 1983-08-23 | -7 | SVO |
-45 | 10.3 | 2445746 | 1984-02-15 | 2445753 | 1984-02-22 | -7 | AAVSO |
-44 | 9.8 | 2445926 | 1984-08-13 | 2445935 | 1984-08-22 | -9 | SVO |
-43 | 2446110 | 1985-02-13 | 2446118 | 1985-02-21 | -8 | AAVSO | |
-42 | 9.8 | 2446293 | 1985-08-15 | 2446300 | 1985-08-22 | -7 | SVO |
-41 | 2446472 | 1986-02-10 | 2446483 | 1986-02-21 | -11 | AAVSO | |
-40 | 10.4 | 2446656 | 1986-08-13 | 2446665 | 1986-08-22 | -9 | SVO |
-39 | 10.1 | 2446841 | 1987-02-14 | 2446848 | 1987-02-21 | -7 | AAVSO |
-38 | 10.2 | 2447024 | 1987-08-16 | 2447030 | 1987-08-22 | -6 | SVO |
-37 | 2447200 | 1988-02-08 | 2447212 | 1988-02-20 | -12 | AAVSO | |
-36 | 9.6 | 2447386 | 1988-08-12 | 2447395 | 1988-08-21 | -9 | SVO |
-35 | 2447567 | 1989-02-09 | 2447577 | 1989-02-19 | -10 | AAVSO | |
-34 | 9.4 | 2447742 | 1989-08-03 | 2447760 | 1989-08-21 | -18 | SVO |
-33 | 2447935 | 1990-02-12 | 2447942 | 1990-02-19 | -7 | AAVSO | |
-32 | 10.0 | 2448113 | 1990-08-09 | 2448125 | 1990-08-21 | -12 | SVO |
-31 | 2448297 | 1991-02-09 | 2448307 | 1991-02-19 | -10 | AAVSO | |
-30 | 10.5 | 2448492 | 1991-08-23 | 2448490 | 1991-08-21 | 2 | SVO |
-29 | 2448672 | 1992-02-19 | 2448672 | 1992-02-19 | 0 | AAVSO | |
-28 | 9.5 | 2448834 | 1992-07-30 | 2448854 | 1992-08-19 | -20 | SVO |
-27 | 2449019 | 1993-01-31 | 2449037 | 1993-02-18 | -18 | AAVSO | |
-26 | 10.1 | 2449212 | 1993-08-12 | 2449219 | 1993-08-19 | -7 | SVO |
-25 | 2449388 | 1994-02-04 | 2449402 | 1994-02-18 | -14 | AAVSO | |
-24 | 2449576 | 1994-08-11 | 2449584 | 1994-08-19 | -8 | AAVSO | |
-23 | 2449759 | 1995-02-10 | 2449767 | 1995-02-18 | -8 | AAVSO | |
-22 | 9.5 | 2449940 | 1995-08-10 | 2449949 | 1995-08-19 | -9 | SVO |
-21 | 2450130 | 1996-02-16 | 2450132 | 1996-02-18 | -2 | AAVSO | |
-20 | 10.1 | 2450312 | 1996-08-16 | 2450314 | 1996-08-18 | -2 | SVO |
-19 | 2450495 | 1997-02-15 | 2450497 | 1997-02-17 | -2 | AAVSO | |
-18 | 11.0 | 2450684 | 1997-08-23 | 2450679 | 1997-08-18 | 5 | SVO |
-17 | 2450860 | 1998-02-15 | 2450861 | 1998-02-16 | -1 | AAVSO | |
-16 | 10.0 | 2451043 | 1998-08-17 | 2451044 | 1998-08-18 | -1 | SVO |
-15 | 2451221 | 1999-02-11 | 2451226 | 1999-02-16 | -5 | AAVSO | |
-14 | 9.4 | 2451390 | 1999-07-30 | 2451409 | 1999-08-18 | -19 | SVO |
-13 | 2451592 | 2000-02-17 | 2451591 | 2000-02-16 | 1 | AAVSO | |
-12 | 10.3 | 2451768 | 2000-08-11 | 2451774 | 2000-08-17 | -6 | SVO |
-11 | 2451946 | 2001-02-05 | 2451956 | 2001-02-15 | -10 | AAVSO | |
-10 | 9.8 | 2452124 | 2001-08-02 | 2452139 | 2001-08-17 | -15 | SVO |
-9 | 2452312 | 2002-02-06 | 2452321 | 2002-02-15 | -9 | AAVSO | |
-8 | 10.0 | 2452495 | 2002-08-08 | 2452504 | 2002-08-17 | -9 | SVO |
-7 | 2452680 | 2003-02-09 | 2452686 | 2003-02-15 | -6 | AAVSO | |
-6 | 9.8 | 2452861 | 2003-08-09 | 2452868 | 2003-08-16 | -7 | SVO |
-5 | 2453042 | 2004-02-06 | 2453051 | 2004-02-15 | -9 | AAVSO | |
-4 | 9.7 | 2453224 | 2004-08-06 | 2453233 | 2004-08-15 | -9 | SVO |
-3 | 2453416 | 2005-02-14 | 2453416 | 2005-02-14 | 0 | AAVSO | |
-2 | 9.5 | 2453593 | 2005-08-10 | 2453598 | 2005-08-15 | -5 | SVO |
-1 | 2453771 | 2006-02-04 | 2453781 | 2006-02-14 | -10 | AAVSO | |
0 | 9.8 | 2453954 | 2006-08-06 | 2453963 | 2006-08-15 | -9 | SVO |
1 | 2454140 | 2007-02-08 | 2454146 | 2007-02-14 | -6 | AAVSO | |
2 | 10.4 | 2454328 | 2007-08-15 | 2454328 | 2007-08-15 | 0 | SVO |
3 | 2454504 | 2008-02-07 | 2454510 | 2008-02-13 | -6 | AAVSO | |
4 | 9.6 | 2454691 | 2008-08-12 | 2454693 | 2008-08-14 | -2 | SVO |
5 | 9.3 | 2454872 | 2009-02-09 | 2454875 | 2009-02-12 | -3 | AAVSO |
6 | 9.3 | 2455060 | 2009-08-16 | 2455058 | 2009-08-14 | 2 | SVO |
7 | 2455242 | 2010-02-14 | 2455240 | 2010-02-12 | 2 | AAVSO | |
8 | 9.7 | 2455417 | 2010-08-08 | 2455423 | 2010-08-14 | -6 | SVO |
9 | 2455607 | 2011-02-14 | 2455605 | 2011-02-12 | 2 | AAVSO | |
10 | 10.3 | 2455796 | 2011-08-22 | 2455788 | 2011-08-14 | 8 | SVO |
11 | 2455967 | 2012-02-09 | 2455970 | 2012-02-12 | -3 | AAVSO | |
12 | 9.9 | 2456163 | 2012-08-23 | 2456153 | 2012-08-13 | 10 | SVO |
13 | 2456338 | 2013-02-14 | 2456335 | 2013-02-11 | 3 | AAVSO | |
14 | 10.2 | 2456519 | 2013-08-14 | 2456517 | 2013-08-12 | 2 | SVO |
15 | 2456701 | 2014-02-12 | 2456700 | 2014-02-11 | 1 | AAVSO | |
16 | 10.4 | 2456889 | 2014-08-19 | 2456882 | 2014-08-12 | 7 | SVO |
17 | 10.3 | 2457076 | 2015-02-22 | 2457065 | 2015-02-11 | 11 | AAVSO |
18 | 9.8 | 2457253 | 2015-08-18 | 2457247 | 2015-08-12 | 6 | SVO |
19 | 2457441 | 2016-02-22 | 2457430 | 2016-02-11 | 11 | AAVSO | |
20 | 9.3 | 2457618 | 2016-08-17 | 2457612 | 2016-08-11 | 6 | SVO |
21 | 2457798 | 2017-02-13 | 2457795 | 2017-02-10 | 3 | AAVSO | |
22 | 9.6 | 2457982 | 2017-08-16 | 2457977 | 2017-08-11 | 5 | SVO |
24 | 9.4 | 2458346 | 2018-08-15 | 2458342 | 2018-08-11 | 4 | SVO |
26 | 10.0 | 2458722 | 2019-08-26 | 2458707 | 2019-08-11 | 15 | SVO |
27 | 2458915 | 2020-03-06 | 2458889 | 2020-02-09 | 26 | SVO | |
28 | 9.5 | 2459091 | 2020-08-29 | 2459072 | 2020-08-10 | 19 | SVO |
30 | 9.2 | 2459456 | 2021-08-29 | 2459437 | 2021-08-10 | 19 | SVO |
32 | 9.7 | 2459826 | 2022-09-03 | 2459802 | 2022-08-10 | 24 | 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. |