Maxima for ST Lyr
Period: 300.5, Epoch: 2444433
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-96   2415600 1901-08-03 2415585 1901-07-19 15 SVO
-92   2416800 1904-11-15 2416787 1904-11-02 13 SVO
-91   2417117 1905-09-28 2417088 1905-08-30 29 GuL, 1920, 1.2
-90   2417434 1906-08-11 2417388 1906-06-26 46 GuL, 1920, 1.2
-86   2418620 1909-11-09 2418590 1909-10-10 30 SVO
-81   2420100 1913-11-28 2420093 1913-11-21 7 SVO
-79   2420720 1915-08-10 2420694 1915-07-15 26 SVO
-77   2421320 1917-04-01 2421295 1917-03-07 25 SVO
-75   2421910 1918-11-12 2421896 1918-10-29 14 SVO
-72   2422815 1921-05-05 2422797 1921-04-17 18 SVO
-68   2424050 1924-09-21 2423999 1924-08-01 51 SVO
-67   2424360 1925-07-28 2424300 1925-05-29 60 SVO
-66   2424660 1926-05-24 2424600 1926-03-25 60 SVO
-65   2424965 1927-03-25 2424901 1927-01-20 64 SVO
-63   2425545 1928-10-25 2425502 1928-09-12 43 AN, 1936, vol 261, p 67
-62   2425850 1929-08-26 2425802 1929-07-09 48 SVO
-61   2426160 1930-07-02 2426103 1930-05-06 57 SVO
-59   2426755 1932-02-17 2426704 1931-12-28 51 AN, 1936, vol 261, p 67
-58   2427035 1932-11-23 2427004 1932-10-23 31 AN, 1936, vol 261, p 67
-56   2427626 1934-07-07 2427605 1934-06-16 21 SVO
-55   2427932 1935-05-09 2427906 1935-04-13 26 SVO
-54   2428220 1936-02-21 2428206 1936-02-07 14 SVO
-52   2428812 1937-10-05 2428807 1937-09-30 5 SVO
-51   2429109 1938-07-29 2429108 1938-07-28 1 SVO
-50   2429406 1939-05-22 2429408 1939-05-24 -2 SVO
-49   2429700 1940-03-11 2429709 1940-03-20 -9 SVO
-46   2430605 1942-09-02 2430610 1942-09-07 -5 MitVS, 1942, vol 1, p 8
-45   2430910 1943-07-04 2430911 1943-07-05 -1 SVO
-44   2431210 1944-04-29 2431211 1944-04-30 -1 SVO
-40   2432419 1947-08-21 2432413 1947-08-15 6 SVO
-39   2432730 1948-06-27 2432714 1948-06-11 16 SVO
-38   2433045 1949-05-08 2433014 1949-04-07 31 SVO
-35   2433920 1951-09-30 2433916 1951-09-26 4 SVO
-34   2434221 1952-07-27 2434216 1952-07-22 5 SVO
-28   2436019 1957-06-29 2436019 1957-06-29 0 MitVS, 1967, vol 4, p 150
-22   2437813 1962-05-28 2437822 1962-06-06 -9 MitVS, 1967, vol 4, p 150
-21   2438115 1963-03-26 2438123 1963-04-03 -8 MitVS, 1967, vol 4, p 150
-20   2438423 1964-01-28 2438423 1964-01-28 0 MitVS, 1967, vol 4, p 150
-18   2439028 1965-09-24 2439024 1965-09-20 4 MitVS, 1967, vol 4, p 150
-17   2439330 1966-07-23 2439325 1966-07-18 5 MitVS, 1967, vol 4, p 150
-16   2439628 1967-05-17 2439625 1967-05-14 3 MitVS, 1981, vol 9, p 78
-8   2442020 1973-12-03 2442029 1973-12-12 -9 MitVS, 1981, vol 9, p 78
-7 10.3 2442309 1974-09-18 2442330 1974-10-09 -21 SVO
-6 10.7 2442609 1975-07-15 2442630 1975-08-05 -21 SVO
-5 11.0 2442920 1976-05-21 2442931 1976-06-01 -11 SVO
-4   2443210 1977-03-07 2443231 1977-03-28 -21 SVO
-3   2443505 1977-12-27 2443532 1978-01-23 -27 SVO
-2   2443815 1978-11-02 2443832 1978-11-19 -17 SVO
-1 10.7 2444113 1979-08-27 2444133 1979-09-16 -20 SVO
0   2444425 1980-07-04 2444433 1980-07-12 -8 MitVS, 1981, vol 9, p 78
1   2444740 1981-05-15 2444734 1981-05-09 6 SVO
2   2445025 1982-02-24 2445034 1982-03-05 -9 SVO
3   2445325 1982-12-21 2445335 1982-12-31 -10 SVO
4   2445633 1983-10-25 2445635 1983-10-27 -2 SVO
5 11.4 2445937 1984-08-24 2445936 1984-08-23 1 SVO
6 10.5 2446241 1985-06-24 2446236 1985-06-19 5 SVO
7   2446552 1986-05-01 2446537 1986-04-16 15 SVO
8   2446850 1987-02-23 2446837 1987-02-10 13 SVO
10 10.5 2447453 1988-10-18 2447438 1988-10-03 15 SVO
11 10.6 2447748 1989-08-09 2447739 1989-07-31 9 SVO
12 10.9 2448056 1990-06-13 2448039 1990-05-27 17 SVO
13   2448345 1991-03-29 2448340 1991-03-24 5 SVO
15 10.1 2448947 1992-11-20 2448941 1992-11-14 6 SVO
16 11.3 2449244 1993-09-13 2449241 1993-09-10 3 SVO
17 10.8 2449549 1994-07-15 2449542 1994-07-08 7 SVO
18 11.0 2449860 1995-05-22 2449842 1995-05-04 18 SVO
19 10.5 2450155 1996-03-12 2450143 1996-02-29 12 SVO
20 10.4 2450443 1996-12-25 2450443 1996-12-25 0 SVO
21 11.2 2450754 1997-11-01 2450744 1997-10-22 10 SVO
22 10.5 2451048 1998-08-22 2451044 1998-08-18 4 SVO
23 10.8 2451352 1999-06-22 2451345 1999-06-15 7 SVO
24 10.6 2451652 2000-04-17 2451645 2000-04-10 7 SVO
25 10.5 2451942 2001-02-01 2451946 2001-02-05 -4 SVO
26 10.8 2452247 2001-12-03 2452246 2001-12-02 1 SVO
27 10.4 2452541 2002-09-23 2452547 2002-09-29 -6 SVO
28 10.5 2452834 2003-07-13 2452847 2003-07-26 -13 SVO
29 10.9 2453135 2004-05-09 2453148 2004-05-22 -13 SVO
31 11.2 2453741 2006-01-05 2453749 2006-01-13 -8 SVO
32 11.0 2454033 2006-10-24 2454049 2006-11-09 -16 SVO
33 10.4 2454326 2007-08-13 2454350 2007-09-06 -24 SVO
34 11.1 2454619 2008-06-01 2454650 2008-07-02 -31 SVO
35 10.6 2454921 2009-03-30 2454951 2009-04-29 -30 SVO
36 10.7 2455212 2010-01-15 2455251 2010-02-23 -39 SVO
37 10.7 2455510 2010-11-09 2455552 2010-12-21 -42 SVO
38 10.7 2455815 2011-09-10 2455852 2011-10-17 -37 SVO
39 10.9 2456122 2012-07-13 2456153 2012-08-13 -31 SVO
40 10.7 2456416 2013-05-03 2456453 2013-06-09 -37 SVO
41 11.0 2456722 2014-03-05 2456754 2014-04-06 -32 SVO
42 10.9 2457026 2015-01-03 2457054 2015-01-31 -28 SVO
43 10.9 2457323 2015-10-27 2457355 2015-11-28 -32 SVO
44 10.7 2457621 2016-08-20 2457655 2016-09-23 -34 SVO
45 10.3 2457918 2017-06-13 2457956 2017-07-21 -38 SVO
47 10.5 2458533 2019-02-18 2458557 2019-03-14 -24 SVO
48 10.8 2458828 2019-12-10 2458857 2020-01-08 -29 SVO
49 10.4 2459124 2020-10-01 2459158 2020-11-04 -34 SVO
50 10.9 2459420 2021-07-24 2459458 2021-08-31 -38 SVO
51 11.2 2459725 2022-05-25 2459759 2022-06-28 -34 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.