Maxima for Z Vir
Period: 302.5, Epoch: 2454580
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-152   2408162 1881-03-22 2408600 1882-06-03 -438 AnHar, 1937, vol 105, p 459
-148   2409391 1884-08-02 2409810 1885-09-25 -419 GuL, 1918, 1.1
-147   2409684 1885-05-22 2410113 1886-07-25 -429 AnHar, 1909, vol 55, p 95
-146   2410002 1886-04-05 2410415 1887-05-23 -413 AnHar, 1909, vol 55, p 95
-140   2411835 1891-04-12 2412230 1892-05-11 -395 GuL, 1918, 1.1
-135   2413383 1895-07-08 2413743 1896-07-02 -360 AnHar, 1909, vol 55, p 95
-134   2413697 1896-05-17 2414045 1897-04-30 -348 AnHar, 1909, vol 55, p 95
-130   2414910 1899-09-12 2415255 1900-08-23 -345 GuL, 1918, 1.1
-129   2415237 1900-08-05 2415558 1901-06-22 -321 AnHar, 1909, vol 55, p 95
-127   2415850 1902-04-10 2416163 1903-02-17 -313 SVO
-122   2417430 1906-08-07 2417675 1907-04-09 -245 SVO
-121 10.4 2417738 1907-06-11 2417978 1908-02-06 -240 AAVSO
-120   2418040 1908-04-08 2418280 1908-12-04 -240 SVO
-119   2418318 1909-01-11 2418583 1909-10-03 -265 AAVSO
-118   2418661 1909-12-20 2418885 1910-08-01 -224 AAVSO
-115 9.3 2419585 1912-07-01 2419793 1913-01-25 -208 AAVSO
-114   2419881 1913-04-23 2420095 1913-11-23 -214 AAVSO
-113   2420177 1914-02-13 2420398 1914-09-22 -221 AAVSO
-112   2420511 1915-01-13 2420700 1915-07-21 -189 AAVSO
-111   2420814 1915-11-12 2421003 1916-05-19 -189 AAVSO
-110 9.1 2421087 1916-08-11 2421305 1917-03-17 -218 AAVSO
-109 10.4 2421401 1917-06-21 2421608 1918-01-14 -207 AAVSO
-108 9.9 2421705 1918-04-21 2421910 1918-11-12 -205 AAVSO
-107 9.9 2422004 1919-02-14 2422213 1919-09-11 -209 AAVSO
-106   2422306 1919-12-13 2422515 1920-07-09 -209 AAVSO
-105   2422618 1920-10-20 2422818 1921-05-08 -200 AAVSO
-103 10.2 2423226 1922-06-20 2423423 1923-01-03 -197 AAVSO
-102 10.2 2423536 1923-04-26 2423725 1923-11-01 -189 AAVSO
-101 10.2 2423847 1924-03-02 2424028 1924-08-30 -181 AAVSO
-100 10.2 2424141 1924-12-21 2424330 1925-06-28 -189 AAVSO
-97 11.3 2425057 1927-06-25 2425238 1927-12-23 -181 AAVSO
-96 10.6 2425365 1928-04-28 2425540 1928-10-20 -175 AAVSO
-95 11.0 2425685 1929-03-14 2425843 1929-08-19 -158 AAVSO
-94 10.6 2425983 1930-01-06 2426145 1930-06-17 -162 AAVSO
-93   2426294 1930-11-13 2426448 1931-04-16 -154 AAVSO
-92   2426603 1931-09-18 2426750 1932-02-12 -147 AAVSO
-91 10.1 2426911 1932-07-22 2427053 1932-12-11 -142 AAVSO
-90 10.1 2427213 1933-05-20 2427355 1933-10-09 -142 SVO
-89 10.2 2427522 1934-03-25 2427658 1934-08-08 -136 AAVSO
-88   2427815 1935-01-12 2427960 1935-06-06 -145 AAVSO
-85 10.2 2428746 1937-07-31 2428868 1937-11-30 -122 AAVSO
-84 10.0 2429050 1938-05-31 2429170 1938-09-28 -120 SVO
-83 11.2 2429360 1939-04-06 2429473 1939-07-28 -113 AAVSO
-82   2429658 1940-01-29 2429775 1940-05-25 -117 AAVSO
-81   2429977 1940-12-13 2430078 1941-03-24 -101 AAVSO
-79 11.0 2430559 1942-07-18 2430683 1942-11-19 -124 AAVSO
-78 10.3 2430869 1943-05-24 2430985 1943-09-17 -116 AAVSO
-77 10.3 2431200 1944-04-19 2431288 1944-07-16 -88 AAVSO
-76   2431480 1945-01-24 2431590 1945-05-14 -110 SVO
-75   2431806 1945-12-16 2431893 1946-03-13 -87 AAVSO
-73 10.5 2432399 1947-08-01 2432498 1947-11-08 -99 AAVSO
-72 10.8 2432701 1948-05-29 2432800 1948-09-05 -99 AAVSO
-71 10.1 2433012 1949-04-05 2433103 1949-07-05 -91 AAVSO
-70   2433290 1950-01-08 2433405 1950-05-03 -115 AAVSO
-69   2433598 1950-11-12 2433708 1951-03-02 -110 AAVSO
-68   2433903 1951-09-13 2434010 1951-12-29 -107 AAVSO
-67 10.9 2434235 1952-08-10 2434313 1952-10-27 -78 AAVSO
-66 9.7 2434523 1953-05-25 2434615 1953-08-25 -92 SVO
-65 10.9 2434833 1954-03-31 2434918 1954-06-24 -85 AAVSO
-64   2435131 1955-01-23 2435220 1955-04-22 -89 AAVSO
-63   2435437 1955-11-25 2435523 1956-02-19 -86 AAVSO
-62   2435758 1956-10-11 2435825 1956-12-17 -67 AAVSO
-61 10.7 2436070 1957-08-19 2436128 1957-10-16 -58 AAVSO
-60 9.7 2436374 1958-06-19 2436430 1958-08-14 -56 SVO
-59 11.1 2436682 1959-04-23 2436733 1959-06-13 -51 AAVSO
-58 11.0 2436995 1960-03-01 2437035 1960-04-10 -40 AAVSO
-57 10.6 2437301 1961-01-01 2437338 1961-02-07 -37 AAVSO
-56   2437612 1961-11-08 2437640 1961-12-06 -28 AAVSO
-55   2437917 1962-09-09 2437943 1962-10-05 -26 AAVSO
-54 10.5 2438247 1963-08-05 2438245 1963-08-03 2 AAVSO
-53 10.4 2438535 1964-05-19 2438548 1964-06-01 -13 SVO
-52 10.1 2438847 1965-03-27 2438850 1965-03-30 -3 AAVSO
-51 9.8 2439129 1966-01-03 2439153 1966-01-27 -24 AAVSO
-50   2439434 1966-11-04 2439455 1966-11-25 -21 AAVSO
-49   2439747 1967-09-13 2439758 1967-09-24 -11 AAVSO
-48 9.8 2440051 1968-07-13 2440060 1968-07-22 -9 SVO
-47 10.7 2440359 1969-05-17 2440363 1969-05-21 -4 SVO
-46 11.5 2440662 1970-03-16 2440665 1970-03-19 -3 AAVSO
-45 10.1 2440969 1971-01-17 2440968 1971-01-16 1 AAVSO
-44 10.5 2441273 1971-11-17 2441270 1971-11-14 3 AAVSO
-43   2441570 1972-09-09 2441573 1972-09-12 -3 AAVSO
-42 10.6 2441874 1973-07-10 2441875 1973-07-11 -1 AAVSO
-41 10.2 2442179 1974-05-11 2442178 1974-05-10 1 SVO
-40 10.3 2442483 1975-03-11 2442480 1975-03-08 3 SVO
-39 10.5 2442794 1976-01-16 2442783 1976-01-05 11 AAVSO
-38 10.6 2443098 1976-11-15 2443085 1976-11-02 13 AAVSO
-37 10.6 2443391 1977-09-04 2443388 1977-09-01 3 AAVSO
-36 10.5 2443686 1978-06-26 2443690 1978-06-30 -4 SVO
-35 10.0 2443997 1979-05-03 2443993 1979-04-29 4 SVO
-34 9.9 2444299 1980-02-29 2444295 1980-02-25 4 SVO
-33 9.6 2444600 1980-12-26 2444598 1980-12-24 2 AAVSO
-32   2444910 1981-11-01 2444900 1981-10-22 10 AAVSO
-31 10.4 2445201 1982-08-19 2445203 1982-08-21 -2 AAVSO
-30 10.8 2445518 1983-07-02 2445505 1983-06-19 13 SVO
-29 10.1 2445806 1984-04-15 2445808 1984-04-17 -2 SVO
-28 11.1 2446110 1985-02-13 2446110 1985-02-13 0 SVO
-27 10.1 2446423 1985-12-23 2446413 1985-12-13 10 AAVSO
-26   2446733 1986-10-29 2446715 1986-10-11 18 AAVSO
-25 9.8 2447028 1987-08-20 2447018 1987-08-10 10 SVO
-24 10.9 2447323 1988-06-10 2447320 1988-06-07 3 SVO
-23 11.3 2447628 1989-04-11 2447623 1989-04-06 5 SVO
-22   2447944 1990-02-21 2447925 1990-02-02 19 AAVSO
-21   2448238 1990-12-12 2448228 1990-12-02 10 AAVSO
-20   2448542 1991-10-12 2448530 1991-09-30 12 AAVSO
-19   2448837 1992-08-02 2448833 1992-07-29 4 AAVSO
-18 10.2 2449132 1993-05-24 2449135 1993-05-27 -3 SVO
-17 9.9 2449427 1994-03-15 2449438 1994-03-26 -11 SVO
-16 10.6 2449744 1995-01-26 2449740 1995-01-22 4 SVO
-15   2450048 1995-11-26 2450043 1995-11-21 5 AAVSO
-14   2450347 1996-09-20 2450345 1996-09-18 2 AAVSO
-13   2450646 1997-07-16 2450648 1997-07-18 -2 AAVSO
-12 10.5 2450947 1998-05-13 2450950 1998-05-16 -3 SVO
-11 10.1 2451248 1999-03-10 2451253 1999-03-15 -5 SVO
-10   2451555 2000-01-11 2451555 2000-01-11 0 AAVSO
-9   2451862 2000-11-13 2451858 2000-11-09 4 AAVSO
-8   2452172 2001-09-19 2452160 2001-09-07 12 AAVSO
-7 9.8 2452471 2002-07-15 2452463 2002-07-07 8 SVO
-6 10.3 2452773 2003-05-13 2452765 2003-05-05 8 SVO
-5 9.8 2453066 2004-03-01 2453068 2004-03-03 -2 SVO
-4   2453380 2005-01-09 2453370 2004-12-30 10 AAVSO
-3   2453691 2005-11-16 2453673 2005-10-29 18 AAVSO
-2   2453998 2006-09-19 2453975 2006-08-27 23 AAVSO
-1 10.0 2454290 2007-07-08 2454278 2007-06-26 12 SVO
0 10.3 2454583 2008-04-26 2454580 2008-04-23 3 SVO
1 10.2 2454886 2009-02-23 2454883 2009-02-20 3 SVO
2   2455186 2009-12-20 2455185 2009-12-19 1 AAVSO
3   2455488 2010-10-18 2455488 2010-10-18 0 AAVSO
4 10.6 2455789 2011-08-15 2455790 2011-08-16 -1 AAVSO
5 10.2 2456087 2012-06-08 2456093 2012-06-14 -6 SVO
6 9.8 2456375 2013-03-23 2456395 2013-04-12 -20 SVO
7 10.9 2456689 2014-01-31 2456698 2014-02-09 -9 AAVSO
8 11.4 2456990 2014-11-28 2457000 2014-12-08 -10 AAVSO
9 10.5 2457274 2015-09-08 2457303 2015-10-07 -29 SVO
10 11.1 2457574 2016-07-04 2457605 2016-08-04 -31 AAVSO
11 10.6 2457872 2017-04-28 2457908 2017-06-03 -36 SVO
12 10.3 2458171 2018-02-21 2458210 2018-04-01 -39 SVO
13   2458480 2018-12-27 2458513 2019-01-29 -33 SVO
14   2458775 2019-10-18 2458815 2019-11-27 -40 SVO
15 10.4 2459072 2020-08-10 2459118 2020-09-25 -46 SVO
16 10.4 2459364 2021-05-29 2459420 2021-07-24 -56 SVO
17 10.5 2459663 2022-03-24 2459723 2022-05-23 -60 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.