Maxima for W Aql
Period: 490.43, Epoch: 2439116
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-78   2400988 1861-07-31 2400862 1861-03-27 126 AnHar, 1909, vol 55, p 95
-56   2411675 1890-11-03 2411652 1890-10-11 23 SVO
-53   2413127 1894-10-25 2413123 1894-10-21 4 AnHar, 1909, vol 55, p 95
-52   2413625 1896-03-06 2413614 1896-02-24 11 GuL, 1920, 1.2
-51   2414092 1897-06-16 2414104 1897-06-28 -12 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-50   2414587 1898-10-24 2414595 1898-11-01 -8 AnHar, 1909, vol 55, p 95, GuL, 1920, 1.2
-49   2415083 1900-03-04 2415085 1900-03-06 -2 GuL, 1920, 1.2
-48   2415574 1901-07-08 2415575 1901-07-09 -1 GuL, 1920, 1.2
-47   2416063 1902-11-09 2416066 1902-11-12 -3 GuL, 1920, 1.2
-45   2417039 1905-07-12 2417047 1905-07-20 -8 SVO
-44   2417518 1906-11-03 2417537 1906-11-22 -19 AAVSO
-43 8.6 2418050 1908-04-18 2418028 1908-03-27 22 AAVSO
-42 8.0 2418534 1909-08-15 2418518 1909-07-30 16 AAVSO
-41   2419046 1911-01-09 2419008 1910-12-02 38 AAVSO
-40   2419554 1912-05-31 2419499 1912-04-06 55 AAVSO
-39 8.8 2420018 1913-09-07 2419989 1913-08-09 29 AAVSO
-38   2420513 1915-01-15 2420480 1914-12-13 33 AAVSO
-37   2421006 1916-05-22 2420970 1916-04-16 36 AAVSO
-36 8.0 2421476 1917-09-04 2421461 1917-08-20 15 AAVSO
-35   2421998 1919-02-08 2421951 1918-12-23 47 AAVSO
-34 8.5 2422492 1920-06-16 2422441 1920-04-26 51 AAVSO
-33 8.5 2422949 1921-09-16 2422932 1921-08-30 17 AAVSO
-32 8.0 2423412 1922-12-23 2423422 1923-01-02 -10 SVO
-31 8.0 2423908 1924-05-02 2423913 1924-05-07 -5 AAVSO
-30 7.9 2424382 1925-08-19 2424403 1925-09-09 -21 SVO
-29 8.6 2424878 1926-12-28 2424894 1927-01-13 -16 SVO
-28 8.0 2425354 1928-04-17 2425384 1928-05-17 -30 AAVSO
-27 8.8 2425840 1929-08-16 2425874 1929-09-19 -34 SVO
-26 8.9 2426335 1930-12-24 2426365 1931-01-23 -30 SVO
-25 8.6 2426832 1932-05-04 2426855 1932-05-27 -23 SVO
-24 8.8 2427320 1933-09-04 2427346 1933-09-30 -26 SVO
-23 8.5 2427783 1934-12-11 2427836 1935-02-02 -53 SVO
-22 8.2 2428285 1936-04-26 2428327 1936-06-07 -42 AAVSO
-21 8.7 2428804 1937-09-27 2428817 1937-10-10 -13 SVO
-20 8.5 2429305 1939-02-10 2429307 1939-02-12 -2 SVO
-19 8.5 2429796 1940-06-15 2429798 1940-06-17 -2 AAVSO
-18 8.3 2430279 1941-10-11 2430288 1941-10-20 -9 SVO
-17   2430778 1943-02-22 2430779 1943-02-23 -1 AAVSO
-16 8.1 2431262 1944-06-20 2431269 1944-06-27 -7 SVO
-15 8.3 2431748 1945-10-19 2431760 1945-10-31 -12 SVO
-14   2432246 1947-03-01 2432250 1947-03-05 -4 AAVSO
-13 8.0 2432736 1948-07-03 2432740 1948-07-07 -4 SVO
-12 8.3 2433221 1949-10-31 2433231 1949-11-10 -10 SVO
-11   2433718 1951-03-12 2433721 1951-03-15 -3 AAVSO
-10 8.1 2434209 1952-07-15 2434212 1952-07-18 -3 SVO
-9 8.2 2434689 1953-11-07 2434702 1953-11-20 -13 AAVSO
-8   2435184 1955-03-17 2435193 1955-03-26 -9 AAVSO
-7 7.4 2435672 1956-07-17 2435683 1956-07-28 -11 AAVSO
-6 8.1 2436176 1957-12-03 2436173 1957-11-30 3 SVO
-5 7.9 2436656 1959-03-28 2436664 1959-04-05 -8 AAVSO
-4 7.7 2437145 1960-07-29 2437154 1960-08-07 -9 SVO
-3 7.7 2437619 1961-11-15 2437645 1961-12-11 -26 SVO
-2 8.3 2438134 1963-04-14 2438135 1963-04-15 -1 AAVSO
-1 7.8 2438611 1964-08-03 2438626 1964-08-18 -15 SVO
0 8.5 2439110 1965-12-15 2439116 1965-12-21 -6 SVO
1 8.2 2439585 1967-04-04 2439606 1967-04-25 -21 AAVSO
2 9.2 2440071 1968-08-02 2440097 1968-08-28 -26 SVO
3 9.5 2440561 1969-12-05 2440587 1969-12-31 -26 SVO
4 8.5 2441016 1971-03-05 2441078 1971-05-06 -62 AAVSO
5 10.8 2441507 1972-07-08 2441568 1972-09-07 -61 AAVSO
6 10.1 2441984 1973-10-28 2442059 1974-01-11 -75 SVO
7 10.8 2442476 1975-03-04 2442549 1975-05-16 -73 AAVSO
8 10.5 2442941 1976-06-11 2443039 1976-09-17 -98 SVO
9 10.4 2443448 1977-10-31 2443530 1978-01-21 -82 SVO
10 9.3 2443902 1979-01-28 2444020 1979-05-26 -118 SVO
11 9.4 2444419 1980-06-28 2444511 1980-09-28 -92 SVO
12 8.5 2444896 1981-10-18 2445001 1982-01-31 -105 SVO
13 8.7 2445383 1983-02-17 2445492 1983-06-06 -109 SVO
14 8.5 2445884 1984-07-02 2445982 1984-10-08 -98 SVO
15 8.7 2446370 1985-10-31 2446472 1986-02-10 -102 SVO
16 8.2 2446850 1987-02-23 2446963 1987-06-16 -113 SVO
17 8.2 2447361 1988-07-18 2447453 1988-10-18 -92 SVO
18 8.0 2447843 1989-11-12 2447944 1990-02-21 -101 SVO
19 7.9 2448326 1991-03-10 2448434 1991-06-26 -108 SVO
20 7.7 2448823 1992-07-19 2448925 1992-10-29 -102 SVO
21 8.0 2449310 1993-11-18 2449415 1994-03-03 -105 SVO
22 7.5 2449766 1995-02-17 2449905 1995-07-06 -139 SVO
23 7.9 2450287 1996-07-22 2450396 1996-11-08 -109 SVO
24 7.6 2450731 1997-10-09 2450886 1998-03-13 -155 SVO
25 8.2 2451219 1999-02-09 2451377 1999-07-17 -158 SVO
26 7.7 2451691 2000-05-26 2451867 2000-11-18 -176 SVO
27 8.5 2452192 2001-10-09 2452358 2002-03-24 -166 SVO
28 7.9 2452660 2003-01-20 2452848 2003-07-27 -188 SVO
29 8.7 2453162 2004-06-05 2453338 2004-11-28 -176 SVO
30 8.8 2453645 2005-10-01 2453829 2006-04-03 -184 SVO
31 9.4 2454117 2007-01-16 2454319 2007-08-06 -202 SVO
32 9.7 2454600 2008-05-13 2454810 2008-12-09 -210 SVO
33 9.8 2455082 2009-09-07 2455300 2010-04-13 -218 SVO
34 9.6 2455586 2011-01-24 2455791 2011-08-17 -205 SVO
35 9.7 2456068 2012-05-20 2456281 2012-12-19 -213 SVO
36 9.8 2456551 2013-09-15 2456771 2014-04-23 -220 SVO
37 9.3 2457057 2015-02-03 2457262 2015-08-27 -205 SVO
38 9.9 2457565 2016-06-25 2457752 2016-12-29 -187 SVO
39 10.0 2458078 2017-11-20 2458243 2018-05-04 -165 SVO
40 9.6 2458526 2019-02-11 2458733 2019-09-06 -207 SVO
41 10.1 2459049 2020-07-18 2459224 2021-01-09 -175 SVO
42 10.1 2459551 2021-12-02 2459714 2022-05-14 -163 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.