Maxima for Z Sgr
Period: 450.41, Epoch: 2452459
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-92   2410854 1888-08-04 2411021 1889-01-18 -167 AnHar, 1909, vol 55, p 95
-88   2412683 1893-08-07 2412823 1893-12-25 -140 AnHar, 1909, vol 55, p 95
-87   2413120 1894-10-18 2413273 1895-03-20 -153 AnHar, 1909, vol 55, p 95
-85   2414040 1897-04-25 2414174 1897-09-06 -134 SVO
-84   2414492 1898-07-21 2414625 1898-12-01 -133 AnHar, 1909, vol 55, p 95
-83   2414929 1899-10-01 2415075 1900-02-24 -146 AnHar, 1909, vol 55, p 95
-81   2415830 1902-03-21 2415976 1902-08-14 -146 SVO
-80   2416280 1903-06-14 2416426 1903-11-07 -146 AnHar, 1952, vol 115
-79   2416739 1904-09-15 2416877 1905-01-31 -138 AnHar, 1909, vol 55, p 95
-76   2418080 1908-05-18 2418228 1908-10-13 -148 SVO
-75   2418515 1909-07-27 2418678 1910-01-06 -163 AnHar, 1952, vol 115
-74   2418960 1910-10-15 2419129 1911-04-02 -169 SVO
-71   2420315 1914-07-01 2420480 1914-12-13 -165 SVO
-70   2420760 1915-09-19 2420930 1916-03-07 -170 SVO
-67   2422115 1919-06-05 2422282 1919-11-19 -167 SVO
-66 9.4 2422569 1920-09-01 2422732 1921-02-11 -163 SVO
-65   2423046 1921-12-22 2423182 1922-05-07 -136 AAVSO
-64   2423498 1923-03-19 2423633 1923-08-01 -135 AAVSO
-59   2425710 1929-04-08 2425885 1929-09-30 -175 AnHar, 1952, vol 115
-58   2426150 1930-06-22 2426335 1930-12-24 -185 AAVSO
-57 9.3 2426616 1931-10-01 2426786 1932-03-19 -170 SVO
-56 9.1 2427063 1932-12-21 2427236 1933-06-12 -173 SVO
-55   2427510 1934-03-13 2427686 1934-09-05 -176 AAVSO
-54 8.6 2427979 1935-06-25 2428137 1935-11-30 -158 AAVSO
-53   2428441 1936-09-29 2428587 1937-02-22 -146 AAVSO
-52   2428897 1937-12-29 2429038 1938-05-19 -141 AAVSO
-51   2429369 1939-04-15 2429488 1939-08-12 -119 AAVSO
-50 8.8 2429821 1940-07-10 2429939 1940-11-05 -118 AAVSO
-49 8.5 2430267 1941-09-29 2430389 1942-01-29 -122 SVO
-48   2430681 1942-11-17 2430839 1943-04-24 -158 AAVSO
-47   2431180 1944-03-30 2431290 1944-07-18 -110 SVO
-46   2431630 1945-06-23 2431740 1945-10-11 -110 SVO
-43 10.2 2432963 1949-02-15 2433091 1949-06-23 -128 AAVSO
-42 8.8 2433421 1950-05-19 2433542 1950-09-17 -121 SVO
-41 10.5 2433878 1951-08-19 2433992 1951-12-11 -114 SVO
-40 10.8 2434327 1952-11-10 2434443 1953-03-06 -116 AAVSO
-39 8.7 2434759 1954-01-16 2434893 1954-05-30 -134 SVO
-38 10.3 2435216 1955-04-18 2435343 1955-08-23 -127 SVO
-37 9.5 2435657 1956-07-02 2435794 1956-11-16 -137 SVO
-36 9.8 2436099 1957-09-17 2436244 1958-02-09 -145 SVO
-35 8.7 2436552 1958-12-14 2436695 1959-05-06 -143 SVO
-34 9.9 2437002 1960-03-08 2437145 1960-07-29 -143 SVO
-33 9.0 2437441 1961-05-21 2437595 1961-10-22 -154 SVO
-32 9.2 2437898 1962-08-21 2438046 1963-01-16 -148 SVO
-31 9.4 2438350 1963-11-16 2438496 1964-04-10 -146 SVO
-30 9.0 2438799 1965-02-07 2438947 1965-07-05 -148 AAVSO
-29 9.4 2439257 1966-05-11 2439397 1966-09-28 -140 SVO
-28 9.5 2439714 1967-08-11 2439848 1967-12-23 -134 SVO
-27 10.0 2440156 1968-10-26 2440298 1969-03-17 -142 AAVSO
-26   2440607 1970-01-20 2440748 1970-06-10 -141 AAVSO
-25 8.7 2441076 1971-05-04 2441199 1971-09-04 -123 AAVSO
-24 9.8 2441532 1972-08-02 2441649 1972-11-27 -117 SVO
-23 9.2 2441968 1973-10-12 2442100 1974-02-21 -132 AAVSO
-22   2442428 1975-01-15 2442550 1975-05-17 -122 AAVSO
-21 9.2 2442892 1976-04-23 2443000 1976-08-09 -108 AAVSO
-20 9.5 2443331 1977-07-06 2443451 1977-11-03 -120 SVO
-19 9.2 2443782 1978-09-30 2443901 1979-01-27 -119 SVO
-18   2444237 1979-12-29 2444352 1980-04-22 -115 AAVSO
-17 9.4 2444709 1981-04-14 2444802 1981-07-16 -93 AAVSO
-16 9.2 2445176 1982-07-25 2445252 1982-10-09 -76 SVO
-15 9.8 2445625 1983-10-17 2445703 1984-01-03 -78 SVO
-14 11.0 2446084 1985-01-18 2446153 1985-03-28 -69 AAVSO
-13 10.3 2446559 1986-05-08 2446604 1986-06-22 -45 SVO
-12 9.0 2447011 1987-08-03 2447054 1987-09-15 -43 SVO
-11   2447471 1988-11-05 2447504 1988-12-08 -33 AAVSO
-10 8.5 2447897 1990-01-05 2447955 1990-03-04 -58 SVO
-9 8.9 2448394 1991-05-17 2448405 1991-05-28 -11 SVO
-8 9.7 2448845 1992-08-10 2448856 1992-08-21 -11 SVO
-7 8.8 2449299 1993-11-07 2449306 1993-11-14 -7 SVO
-6   2449749 1995-01-31 2449757 1995-02-08 -8 AAVSO
-5 9.5 2450218 1996-05-14 2450207 1996-05-03 11 SVO
-4 8.9 2450668 1997-08-07 2450657 1997-07-27 11 SVO
-3   2451116 1998-10-29 2451108 1998-10-21 8 AAVSO
-2 9.4 2451566 2000-01-22 2451558 2000-01-14 8 SVO
-1   2452044 2001-05-14 2452009 2001-04-09 35 AAVSO
0 8.7 2452467 2002-07-11 2452459 2002-07-03 8 SVO
1 11.2 2452911 2003-09-28 2452909 2003-09-26 2 SVO
2 10.2 2453366 2004-12-26 2453360 2004-12-20 6 SVO
3   2453817 2006-03-22 2453810 2006-03-15 7 AAVSO
4 8.5 2454260 2007-06-08 2454261 2007-06-09 -1 SVO
5 10.3 2454700 2008-08-21 2454711 2008-09-01 -11 SVO
6 9.3 2455143 2009-11-07 2455161 2009-11-25 -18 SVO
7   2455593 2011-01-31 2455612 2011-02-19 -19 AAVSO
8 8.8 2456035 2012-04-17 2456062 2012-05-14 -27 SVO
9 10.4 2456490 2013-07-16 2456513 2013-08-08 -23 SVO
10 9.5 2456935 2014-10-04 2456963 2014-11-01 -28 SVO
11 9.4 2457379 2015-12-22 2457414 2016-01-26 -35 SVO
12 9.2 2457826 2017-03-13 2457864 2017-04-20 -38 SVO
13 8.8 2458280 2018-06-10 2458314 2018-07-14 -34 SVO
14 10.1 2458720 2019-08-24 2458765 2019-10-08 -45 SVO
15 9.1 2459177 2020-11-23 2459215 2020-12-31 -38 SVO
16 10.2 2459631 2022-02-20 2459666 2022-03-27 -35 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.