Maxima for TY Lyr
Period: 333.71, Epoch: 2442677
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-83   2414940 1899-10-12 2414979 1899-11-20 -39 SVO
-82   2415260 1900-08-28 2415313 1900-10-20 -53 SVO
-80   2415940 1902-07-09 2415980 1902-08-18 -40 SVO
-79   2416280 1903-06-14 2416314 1903-07-18 -34 SVO
-78   2416610 1904-05-09 2416648 1904-06-16 -38 SVO
-77   2416930 1905-03-25 2416981 1905-05-15 -51 SVO
-73   2418270 1908-11-24 2418316 1909-01-09 -46 SVO
-72   2418615 1909-11-04 2418650 1909-12-09 -35 SVO
-71   2418950 1910-10-05 2418984 1910-11-08 -34 SVO
-70   2419280 1911-08-31 2419317 1911-10-07 -37 GuL, 1920, 1.2
-69   2419628 1912-08-13 2419651 1912-09-05 -23 GuL, 1920, 1.2
-68   2419956 1913-07-07 2419985 1913-08-05 -29 GuL, 1920, 1.2
-67   2420295 1914-06-11 2420318 1914-07-04 -23 SVO
-66   2420620 1915-05-02 2420652 1915-06-03 -32 SVO
-64   2421310 1917-03-22 2421320 1917-04-01 -10 SVO
-63   2421640 1918-02-15 2421653 1918-02-28 -13 SVO
-61   2422315 1919-12-22 2422321 1919-12-28 -6 AN, 1932, vol 245, p 121
-60   2422651 1920-11-22 2422654 1920-11-25 -3 AN, 1932, vol 245, p 121
-59   2422978 1921-10-15 2422988 1921-10-25 -10 AN, 1932, vol 245, p 121
-58   2423313 1922-09-15 2423322 1922-09-24 -9 AN, 1932, vol 245, p 121
-57   2423664 1923-09-01 2423656 1923-08-24 8 AN, 1932, vol 245, p 121
-56   2423978 1924-07-11 2423989 1924-07-22 -11 AN, 1932, vol 245, p 121
-55   2424313 1925-06-11 2424323 1925-06-21 -10 AN, 1932, vol 245, p 121
-54   2424640 1926-05-04 2424657 1926-05-21 -17 SVO
-53   2424970 1927-03-30 2424990 1927-04-19 -20 AN, 1932, vol 245, p 121
-49   2426300 1930-11-19 2426325 1930-12-14 -25 SVO
-48   2426633 1931-10-18 2426659 1931-11-13 -26 AN, 1932, vol 245, p 121
-47   2426963 1932-09-12 2426993 1932-10-12 -30 GuL, 1936, 2.2, AN, 1948, vol 276, p 11
-46   2427310 1933-08-25 2427326 1933-09-10 -16 AN, 1952, vol 281, p 14
-45   2427617 1934-06-28 2427660 1934-08-10 -43 AN, 1952, vol 281, p 14, GuL, 1936, 2.2
-44   2427949 1935-05-26 2427994 1935-07-10 -45 GuL, 1936, 2.2
-43   2428270 1936-04-11 2428327 1936-06-07 -57 SVO
-38   2429924 1940-10-21 2429996 1941-01-01 -72 SVO
-37   2430250 1941-09-12 2430330 1941-12-01 -80 SVO
-36   2430588 1942-08-16 2430663 1942-10-30 -75 MitVS, 1942, vol 1, p 9
-35   2430930 1943-07-24 2430997 1943-09-29 -67 SVO
-34   2431253 1944-06-11 2431331 1944-08-28 -78 SVO
-33   2431610 1945-06-03 2431665 1945-07-28 -55 SVO
-32   2431930 1946-04-19 2431998 1946-06-26 -68 SVO
-31   2432270 1947-03-25 2432332 1947-05-26 -62 SVO
-8   2440030 1968-06-22 2440007 1968-05-30 23 SVO
-7   2440370 1969-05-28 2440341 1969-04-29 29 SVO
-1 9.9 2442350 1974-10-29 2442343 1974-10-22 7 SVO
0 9.9 2442680 1975-09-24 2442677 1975-09-21 3 SVO
1 9.6 2443020 1976-08-29 2443011 1976-08-20 9 SVO
2 9.9 2443353 1977-07-28 2443344 1977-07-19 9 SVO
3 10.0 2443697 1978-07-07 2443678 1978-06-18 19 SVO
4   2444030 1979-06-05 2444012 1979-05-18 18 SVO
7   2445050 1982-03-21 2445013 1982-02-12 37 SVO
9   2445720 1984-01-20 2445680 1983-12-11 40 SVO
10   2446060 1984-12-25 2446014 1984-11-09 46 SVO
11   2446380 1985-11-10 2446348 1985-10-09 32 SVO
12 10.5 2446727 1986-10-23 2446682 1986-09-08 45 SVO
13 10.0 2447066 1987-09-27 2447015 1987-08-07 51 SVO
14 10.2 2447394 1988-08-20 2447349 1988-07-06 45 SVO
15 10.1 2447731 1989-07-23 2447683 1989-06-05 48 SVO
16 10.6 2448069 1990-06-26 2448016 1990-05-04 53 SVO
17   2448399 1991-05-22 2448350 1991-04-03 49 AFOEV
18   2448735 1992-04-22 2448684 1992-03-02 51 AFOEV
19   2449060 1993-03-13 2449017 1993-01-29 43 SVO
20   2449405 1994-02-21 2449351 1993-12-29 54 SVO
21 10.2 2449727 1995-01-09 2449685 1994-11-28 42 SVO
22 10.3 2450055 1995-12-03 2450019 1995-10-28 36 SVO
23 10.0 2450406 1996-11-18 2450352 1996-09-25 54 SVO
24 10.7 2450736 1997-10-14 2450686 1997-08-25 50 SVO
25 9.5 2451071 1998-09-14 2451020 1998-07-25 51 SVO
26 10.7 2451409 1999-08-18 2451353 1999-06-23 56 SVO
27 9.7 2451745 2000-07-19 2451687 2000-05-22 58 SVO
28 10.9 2452093 2001-07-02 2452021 2001-04-21 72 SVO
29 10.1 2452422 2002-05-27 2452355 2002-03-21 67 SVO
30 9.6 2452757 2003-04-27 2452688 2003-02-17 69 SVO
31 10.4 2453105 2004-04-09 2453022 2004-01-17 83 SVO
32 9.1 2453434 2005-03-04 2453356 2004-12-16 78 SVO
33   2453785 2006-02-18 2453689 2005-11-14 96 SVO
34   2454115 2007-01-14 2454023 2006-10-14 92 SVO
35 10.1 2454465 2007-12-30 2454357 2007-09-13 108 SVO
36 10.7 2454806 2008-12-05 2454691 2008-08-12 115 SVO
37 9.9 2455136 2009-10-31 2455024 2009-07-11 112 SVO
38 9.4 2455468 2010-09-28 2455358 2010-06-10 110 SVO
39 10.5 2455808 2011-09-03 2455692 2011-05-10 116 SVO
40 10.0 2456142 2012-08-02 2456025 2012-04-07 117 SVO
41 10.5 2456482 2013-07-08 2456359 2013-03-07 123 SVO
42 10.1 2456818 2014-06-09 2456693 2014-02-04 125 SVO
43 9.8 2457139 2015-04-26 2457027 2015-01-04 112 SVO
44 10.1 2457476 2016-03-28 2457360 2015-12-03 116 SVO
45   2457810 2017-02-25 2457694 2016-11-01 116 SVO
46   2458145 2018-01-26 2458028 2017-10-01 117 SVO
47 10.0 2458470 2018-12-17 2458361 2018-08-30 109 SVO
48 9.9 2458807 2019-11-19 2458695 2019-07-30 112 SVO
49 10.2 2459150 2020-10-27 2459029 2020-06-28 121 SVO
50 9.8 2459481 2021-09-23 2459363 2021-05-28 118 SVO
51 9.7 2459817 2022-08-25 2459696 2022-04-26 121 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.