Maxima for Y Vir
Period: 217.6, Epoch: 2452756
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-201   2408880 1883-03-10 2409018 1883-07-26 -138 GuL, 1918, 1.1
-186   2412160 1892-03-02 2412282 1892-07-02 -122 SVO
-184   2412600 1893-05-16 2412718 1893-09-11 -118 AnHar, 1909, vol 55, p 95
-182   2413015 1894-07-05 2413153 1894-11-20 -138 GuL, 1918, 1.1
-179   2413706 1896-05-26 2413806 1896-09-03 -100 AnHar, 1909, vol 55, p 95
-178   2413910 1896-12-16 2414023 1897-04-08 -113 SVO
-177   2414128 1897-07-22 2414241 1897-11-12 -113 AnHar, 1909, vol 55, p 95
-176   2414348 1898-02-27 2414458 1898-06-17 -110 AnHar, 1909, vol 55, p 95
-174   2414794 1899-05-19 2414894 1899-08-27 -100 AnHar, 1909, vol 55, p 95
-171   2415443 1901-02-27 2415546 1901-06-10 -103 GuL, 1918, 1.1
-169   2415876 1902-05-06 2415982 1902-08-20 -106 AnHar, 1909, vol 55, p 95
-166   2416532 1904-02-21 2416634 1904-06-02 -102 SVO
-164   2416957 1905-04-21 2417070 1905-08-12 -113 AnHar, 1909, vol 55, p 95
-163   2417189 1905-12-09 2417287 1906-03-17 -98 AAVSO
-162   2417410 1906-07-18 2417505 1906-10-21 -95 AAVSO
-161   2417621 1907-02-14 2417722 1907-05-26 -101 AAVSO
-160   2417832 1907-09-13 2417940 1907-12-30 -108 AAVSO
-159 9.8 2418055 1908-04-23 2418158 1908-08-04 -103 AAVSO
-158   2418271 1908-11-25 2418375 1909-03-09 -104 AAVSO
-157 9.0 2418490 1909-07-02 2418593 1909-10-13 -103 AAVSO
-156   2418715 1910-02-12 2418810 1910-05-18 -95 AAVSO
-154   2419152 1911-04-25 2419246 1911-07-28 -94 AAVSO
-152 9.5 2419565 1912-06-11 2419681 1912-10-05 -116 AAVSO
-151   2419802 1913-02-03 2419898 1913-05-10 -96 AAVSO
-150   2420021 1913-09-10 2420116 1913-12-14 -95 AAVSO
-149   2420237 1914-04-14 2420334 1914-07-20 -97 AAVSO
-147 9.8 2420665 1915-06-16 2420769 1915-09-28 -104 AAVSO
-146 9.0 2420891 1916-01-28 2420986 1916-05-02 -95 AAVSO
-145   2421117 1916-09-10 2421204 1916-12-06 -87 AAVSO
-144 9.2 2421327 1917-04-08 2421422 1917-07-12 -95 SVO
-142 9.0 2421767 1918-06-22 2421857 1918-09-20 -90 AAVSO
-141 9.3 2422001 1919-02-11 2422074 1919-04-25 -73 AAVSO
-140   2422215 1919-09-13 2422292 1919-11-29 -77 AAVSO
-139 9.9 2422437 1920-04-22 2422510 1920-07-04 -73 AAVSO
-138 9.5 2422661 1920-12-02 2422727 1921-02-06 -66 AAVSO
-137 9.5 2422885 1921-07-14 2422945 1921-09-12 -60 AAVSO
-136 9.5 2423098 1922-02-12 2423162 1922-04-17 -64 AAVSO
-135   2423312 1922-09-14 2423380 1922-11-21 -68 AAVSO
-134 9.3 2423533 1923-04-23 2423598 1923-06-27 -65 SVO
-133   2423749 1923-11-25 2423815 1924-01-30 -66 AAVSO
-132   2423966 1924-06-29 2424033 1924-09-04 -67 AAVSO
-131 10.2 2424197 1925-02-15 2424250 1925-04-09 -53 AAVSO
-130   2424417 1925-09-23 2424468 1925-11-13 -51 AAVSO
-129 8.9 2424629 1926-04-23 2424686 1926-06-19 -57 SVO
-128 9.2 2424843 1926-11-23 2424903 1927-01-22 -60 AAVSO
-127 10.0 2425072 1927-07-10 2425121 1927-08-28 -49 AAVSO
-126 9.1 2425291 1928-02-14 2425338 1928-04-01 -47 SVO
-125   2425507 1928-09-17 2425556 1928-11-05 -49 AAVSO
-124 9.3 2425713 1929-04-11 2425774 1929-06-11 -61 SVO
-123 9.4 2425931 1929-11-15 2425991 1930-01-14 -60 AAVSO
-122 9.5 2426157 1930-06-29 2426209 1930-08-20 -52 AAVSO
-121 8.9 2426364 1931-01-22 2426426 1931-03-25 -62 SVO
-120   2426581 1931-08-27 2426644 1931-10-29 -63 AAVSO
-119 9.4 2426790 1932-03-23 2426862 1932-06-03 -72 SVO
-118 8.4 2427011 1932-10-30 2427079 1933-01-06 -68 AAVSO
-117 9.5 2427231 1933-06-07 2427297 1933-08-12 -66 SVO
-116 8.3 2427450 1934-01-12 2427514 1934-03-17 -64 AAVSO
-115   2427679 1934-08-29 2427732 1934-10-21 -53 AAVSO
-114 9.1 2427883 1935-03-21 2427950 1935-05-27 -67 SVO
-113   2428112 1935-11-05 2428167 1935-12-30 -55 AAVSO
-112 9.5 2428321 1936-06-01 2428385 1936-08-04 -64 AAVSO
-111 9.9 2428546 1937-01-12 2428602 1937-03-09 -56 SVO
-110   2428756 1937-08-10 2428820 1937-10-13 -64 AAVSO
-109 9.4 2428981 1938-03-23 2429038 1938-05-19 -57 SVO
-108   2429204 1938-11-01 2429255 1938-12-22 -51 AAVSO
-107 9.3 2429416 1939-06-01 2429473 1939-07-28 -57 SVO
-106 9.3 2429634 1940-01-05 2429690 1940-03-01 -56 SVO
-105   2429851 1940-08-09 2429908 1940-10-05 -57 AAVSO
-104 10.0 2430093 1941-04-08 2430126 1941-05-11 -33 SVO
-103 9.8 2430304 1941-11-05 2430343 1941-12-14 -39 AAVSO
-102 9.4 2430514 1942-06-03 2430561 1942-07-20 -47 SVO
-101 9.6 2430748 1943-01-23 2430778 1943-02-22 -30 AAVSO
-100   2430961 1943-08-24 2430996 1943-09-28 -35 AAVSO
-99 9.2 2431173 1944-03-23 2431214 1944-05-03 -41 SVO
-98   2431386 1944-10-22 2431431 1944-12-06 -45 AAVSO
-97 9.8 2431611 1945-06-04 2431649 1945-07-12 -38 AAVSO
-96 9.5 2431821 1945-12-31 2431866 1946-02-14 -45 AAVSO
-95   2432043 1946-08-10 2432084 1946-09-20 -41 AAVSO
-94 9.1 2432263 1947-03-18 2432302 1947-04-26 -39 SVO
-93   2432481 1947-10-22 2432519 1947-11-29 -38 AAVSO
-92 9.4 2432707 1948-06-04 2432737 1948-07-04 -30 AAVSO
-91 9.5 2432939 1949-01-22 2432954 1949-02-06 -15 AAVSO
-90 9.8 2433142 1949-08-13 2433172 1949-09-12 -30 AAVSO
-89 9.6 2433363 1950-03-22 2433390 1950-04-18 -27 SVO
-88   2433573 1950-10-18 2433607 1950-11-21 -34 AAVSO
-87 9.0 2433789 1951-05-22 2433825 1951-06-27 -36 SVO
-86 9.8 2434004 1951-12-23 2434042 1952-01-30 -38 AAVSO
-85 9.2 2434227 1952-08-02 2434260 1952-09-04 -33 AAVSO
-84 9.7 2434445 1953-03-08 2434478 1953-04-10 -33 SVO
-83   2434662 1953-10-11 2434695 1953-11-13 -33 AAVSO
-82 9.2 2434890 1954-05-27 2434913 1954-06-19 -23 SVO
-81 9.6 2435110 1955-01-02 2435130 1955-01-22 -20 AAVSO
-80 9.8 2435326 1955-08-06 2435348 1955-08-28 -22 AAVSO
-79 9.5 2435545 1956-03-12 2435566 1956-04-02 -21 SVO
-78   2435771 1956-10-24 2435783 1956-11-05 -12 AAVSO
-77 9.7 2435992 1957-06-02 2436001 1957-06-11 -9 SVO
-76 8.9 2436208 1958-01-04 2436218 1958-01-14 -10 AAVSO
-75   2436427 1958-08-11 2436436 1958-08-20 -9 AAVSO
-74 9.9 2436651 1959-03-23 2436654 1959-03-26 -3 SVO
-73   2436864 1959-10-22 2436871 1959-10-29 -7 AAVSO
-72 9.8 2437086 1960-05-31 2437089 1960-06-03 -3 SVO
-71 9.5 2437298 1960-12-29 2437306 1961-01-06 -8 AAVSO
-70   2437513 1961-08-01 2437524 1961-08-12 -11 AAVSO
-69 9.0 2437728 1962-03-04 2437742 1962-03-18 -14 SVO
-68   2437952 1962-10-14 2437959 1962-10-21 -7 AAVSO
-67 9.2 2438168 1963-05-18 2438177 1963-05-27 -9 SVO
-66 9.3 2438382 1963-12-18 2438394 1963-12-30 -12 AAVSO
-65 9.4 2438592 1964-07-15 2438612 1964-08-04 -20 AAVSO
-64 9.3 2438813 1965-02-21 2438830 1965-03-10 -17 AAVSO
-63   2439031 1965-09-27 2439047 1965-10-13 -16 AAVSO
-62 9.1 2439249 1966-05-03 2439265 1966-05-19 -16 SVO
-61 10.0 2439471 1966-12-11 2439482 1966-12-22 -11 AAVSO
-60 9.4 2439688 1967-07-16 2439700 1967-07-28 -12 AAVSO
-59 9.4 2439905 1968-02-18 2439918 1968-03-02 -13 SVO
-58   2440124 1968-09-24 2440135 1968-10-05 -11 AAVSO
-57 9.5 2440349 1969-05-07 2440353 1969-05-11 -4 SVO
-56 9.7 2440571 1969-12-15 2440570 1969-12-14 1 AAVSO
-55 9.8 2440786 1970-07-18 2440788 1970-07-20 -2 AAVSO
-54 9.6 2441006 1971-02-23 2441006 1971-02-23 0 SVO
-53   2441220 1971-09-25 2441223 1971-09-28 -3 AAVSO
-52 9.1 2441434 1972-04-26 2441441 1972-05-03 -7 SVO
-51 9.8 2441652 1972-11-30 2441658 1972-12-06 -6 AAVSO
-50 9.9 2441871 1973-07-07 2441876 1973-07-12 -5 AAVSO
-49 9.5 2442095 1974-02-16 2442094 1974-02-15 1 SVO
-48   2442309 1974-09-18 2442311 1974-09-20 -2 AAVSO
-47 9.9 2442538 1975-05-05 2442529 1975-04-26 9 SVO
-46 9.5 2442751 1975-12-04 2442746 1975-11-29 5 AAVSO
-45 9.1 2442963 1976-07-03 2442964 1976-07-04 -1 AAVSO
-44 9.7 2443185 1977-02-10 2443182 1977-02-07 3 SVO
-43   2443403 1977-09-16 2443399 1977-09-12 4 AAVSO
-42 9.4 2443623 1978-04-24 2443617 1978-04-18 6 SVO
-41 9.1 2443834 1978-11-21 2443834 1978-11-21 0 AAVSO
-40 9.0 2444053 1979-06-28 2444052 1979-06-27 1 AAVSO
-39 10.2 2444277 1980-02-07 2444270 1980-01-31 7 SVO
-38   2444503 1980-09-20 2444487 1980-09-04 16 AAVSO
-37 9.6 2444718 1981-04-23 2444705 1981-04-10 13 SVO
-36 8.9 2444933 1981-11-24 2444922 1981-11-13 11 AAVSO
-35 9.6 2445154 1982-07-03 2445140 1982-06-19 14 SVO
-34 9.2 2445373 1983-02-07 2445358 1983-01-23 15 SVO
-33 10.0 2445590 1983-09-12 2445575 1983-08-28 15 AAVSO
-32 9.5 2445806 1984-04-15 2445793 1984-04-02 13 SVO
-31 9.7 2446027 1984-11-22 2446010 1984-11-05 17 AAVSO
-30 9.5 2446241 1985-06-24 2446228 1985-06-11 13 AAVSO
-29 9.8 2446467 1986-02-05 2446446 1986-01-15 21 SVO
-28   2446679 1986-09-05 2446663 1986-08-20 16 AAVSO
-27 9.6 2446899 1987-04-13 2446881 1987-03-26 18 SVO
-26   2447121 1987-11-21 2447098 1987-10-29 23 AAVSO
-25   2447339 1988-06-26 2447316 1988-06-03 23 AAVSO
-24 9.7 2447557 1989-01-30 2447534 1989-01-07 23 SVO
-23   2447769 1989-08-30 2447751 1989-08-12 18 AAVSO
-22 9.1 2447982 1990-03-31 2447969 1990-03-18 13 SVO
-21   2448196 1990-10-31 2448186 1990-10-21 10 AAVSO
-20 9.1 2448421 1991-06-13 2448404 1991-05-27 17 SVO
-19 10.0 2448641 1992-01-19 2448622 1991-12-31 19 SVO
-18   2448862 1992-08-27 2448839 1992-08-04 23 AAVSO
-17 9.2 2449064 1993-03-17 2449057 1993-03-10 7 SVO
-16   2449282 1993-10-21 2449274 1993-10-13 8 AAVSO
-15 9.1 2449497 1994-05-24 2449492 1994-05-19 5 SVO
-14 10.1 2449715 1994-12-28 2449710 1994-12-23 5 SVO
-13   2449925 1995-07-26 2449927 1995-07-28 -2 AAVSO
-12 9.4 2450144 1996-03-01 2450145 1996-03-02 -1 SVO
-11   2450359 1996-10-02 2450362 1996-10-05 -3 AAVSO
-10 9.3 2450580 1997-05-11 2450580 1997-05-11 0 SVO
-9   2450800 1997-12-17 2450798 1997-12-15 2 AAVSO
-8   2451021 1998-07-26 2451015 1998-07-20 6 AAVSO
-7 9.2 2451230 1999-02-20 2451233 1999-02-23 -3 SVO
-6   2451448 1999-09-26 2451450 1999-09-28 -2 AAVSO
-5 9.5 2451667 2000-05-02 2451668 2000-05-03 -1 SVO
-4   2451890 2000-12-11 2451886 2000-12-07 4 AAVSO
-3   2452100 2001-07-09 2452103 2001-07-12 -3 AAVSO
-2 9.2 2452312 2002-02-06 2452321 2002-02-15 -9 SVO
-1   2452531 2002-09-13 2452538 2002-09-20 -7 AAVSO
0 9.7 2452752 2003-04-22 2452756 2003-04-26 -4 SVO
1   2452970 2003-11-26 2452974 2003-11-30 -4 AAVSO
2   2453211 2004-07-24 2453191 2004-07-04 20 AAVSO
3 9.6 2453408 2005-02-06 2453409 2005-02-07 -1 SVO
4   2453627 2005-09-13 2453626 2005-09-12 1 AAVSO
5 9.3 2453837 2006-04-11 2453844 2006-04-18 -7 SVO
6   2454060 2006-11-20 2454062 2006-11-22 -2 AAVSO
7   2454283 2007-07-01 2454279 2007-06-27 4 AAVSO
8 9.3 2454503 2008-02-06 2454497 2008-01-31 6 SVO
9 9.4 2454717 2008-09-07 2454714 2008-09-04 3 AAVSO
10 9.8 2454943 2009-04-21 2454932 2009-04-10 11 SVO
11 9.8 2455160 2009-11-24 2455150 2009-11-14 10 AAVSO
12 9.5 2455373 2010-06-25 2455367 2010-06-19 6 SVO
13 9.8 2455593 2011-01-31 2455585 2011-01-23 8 SVO
14 9.3 2455807 2011-09-02 2455802 2011-08-28 5 AAVSO
15 9.6 2456023 2012-04-05 2456020 2012-04-02 3 SVO
16 10.0 2456242 2012-11-10 2456238 2012-11-06 4 AAVSO
17 9.2 2456461 2013-06-17 2456455 2013-06-11 6 SVO
18 10.3 2456679 2014-01-21 2456673 2014-01-15 6 SVO
19   2456903 2014-09-02 2456890 2014-08-20 13 AAVSO
20 9.9 2457115 2015-04-02 2457108 2015-03-26 7 SVO
21 9.3 2457334 2015-11-07 2457326 2015-10-30 8 AAVSO
22 9.5 2457554 2016-06-14 2457543 2016-06-03 11 SVO
23 10.1 2457777 2017-01-23 2457761 2017-01-07 16 SVO
24   2457990 2017-08-24 2457978 2017-08-12 12 AAVSO
25 9.8 2458211 2018-04-02 2458196 2018-03-18 15 SVO
26   2458430 2018-11-07 2458414 2018-10-22 16 SVO
27 9.6 2458652 2019-06-17 2458631 2019-05-27 21 SVO
28 10.1 2458875 2020-01-26 2458849 2019-12-31 26 SVO
29   2459080 2020-08-18 2459066 2020-08-04 14 SVO
30 10.0 2459304 2021-03-30 2459284 2021-03-10 20 SVO
31   2459520 2021-11-01 2459502 2021-10-14 18 SVO
32 9.5 2459736 2022-06-05 2459719 2022-05-19 17 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.