Maxima for S Lyr
Mean period: 438.05, GCVS period: 438.4

E O (JD) O (dat) Period
-68 2413086 1894-09-14 438
-67 2413525 1895-11-27 437
-66 2413986 1897-03-02 440
-65 2414419 1898-05-09 443.24
-64 2414849 1899-07-13 442.79
-63 2415281 1900-09-18 439.43
-62 2415745 1901-12-26 436
-61 2416186 1903-03-12 436.36
-60 2416624 1904-05-23 436.57
-59 2417039 1905-07-12 435.64
-58 2417470 1906-09-16 433.79
-57 2417907 1907-11-27 431.36
-56 2418335 1909-01-28 433.43
-55 2418790 1910-04-28 436.6
-54 2419214 1911-06-26 436.75
-53 2419635 1912-08-20 438.38
-52 2420096 1913-11-24 439.88
-50 2420962 1916-04-08 440.88
-49 2421403 1917-06-23 443.38
-48 2421853 1918-09-16 444.13
-47 2422310 1919-12-17 443.8
-46 2422748 1921-02-27 444.14
-45 2423195 1922-05-20 443.64
-44 2423642 1923-08-10 444.29
-43 2424073 1924-10-14 444.86
-42 2424510 1925-12-25 445.14
-41 2424957 1927-03-17 444.79
-40 2425426 1928-06-28 444.57
-39 2425860 1929-09-05 444.43
-38 2426315 1930-12-04 442.86
-37 2426749 1932-02-11 438.93
-36 2427190 1933-04-27 435.79
-35 2427615 1934-06-26 433.43
-34 2428052 1935-09-06 431.21
-33 2428476 1936-11-03 430.43
-32 2428911 1938-01-12 430.5
-31 2429332 1939-03-09 430
-30 2429769 1940-05-19 429.43
-29 2430196 1941-07-20 430.64
-28 2430636 1942-10-03 432.5
-27 2431051 1943-11-22 434.21
-26 2431489 1945-02-02 435.36
-25 2431927 1946-04-16 437.21
-24 2432371 1947-07-04 438.64
-23 2432809 1948-09-14 439.64
-22 2433251 1949-11-30 439.93
-21 2433702 1951-02-24 439.64
-20 2434126 1952-04-23 438.43
-19 2434569 1953-07-10 437.79
-18 2435006 1954-09-20 436.43
-17 2435447 1955-12-05 436.36
-16 2435871 1957-02-01 436.86
-15 2436318 1958-04-24 436.36
-14 2436745 1959-06-25 436.21
-13 2437192 1960-09-14 437.79
-12 2437619 1961-11-15 439.07
-11 2438065 1963-02-04 438.14
-10 2438495 1964-04-09 437.71
-9 2438952 1965-07-10 438
-8 2439384 1966-09-15 440.43
-7 2439813 1967-11-18 441.86
-6 2440252 1969-01-30 441.5
-5 2440691 1970-04-14 441.29
-4 2441159 1971-07-26 441.93
-3 2441587 1972-09-26 444
-2 2442041 1973-12-24 445.21
-1 2442473 1975-03-01 442.93
0 2442911 1976-05-12 441.5
1 2443370 1977-08-14 441.43
2 2443806 1978-10-24 439.71
3 2444245 1980-01-06 439.36
4 2444682 1981-03-18 438.79
5 2445126 1982-06-05 436.21
6 2445544 1983-07-28 435.29
7 2445991 1984-10-17 435.14
8 2446433 1986-01-02 434.14
9 2446850 1987-02-23 435
10 2447295 1988-05-13 436.14
11 2447724 1989-07-16 435.29
12 2448162 1990-09-27 434.07
13 2448598 1991-12-07 433
14 2449043 1993-02-24 433
15 2449475 1994-05-02 433.07
16 2449885 1995-06-16 434
17 2450322 1996-08-26 434.71
18 2450759 1997-11-06 434.79
19 2451190 1999-01-11 437.57
20 2451646 2000-04-11 439.79
21 2452081 2001-06-20 440.64
22 2452524 2002-09-06 441.79
23 2452962 2003-11-18 440.93
24 2453402 2005-01-31 439.14
25 2453848 2006-04-22 440.5
26 2454286 2007-07-04 441.71
27 2454723 2008-09-13 439.93
28 2455152 2009-11-16 436.93
29 2455620 2011-02-27 435.64
30 2456050 2012-05-02 436.43
31 2456473 2013-06-29 437.36
32 2456894 2014-08-24 435.71
33 2457339 2015-11-12 433.93
34 2457780 2017-01-26 435.71
35 2458218 2018-04-09 438.16
36 2458654 2019-06-19 439.57
37 2459091 2020-08-29 438.08
38 2459532 2021-11-13 437.5


E Cycle number from the GCVS4 epoch.
O (JD) Julian date at observed time for maximum.
O (Dat) Same as above, expressed as date.
Period Calculated mean period at cycle number E.