Maxima for Y Vel
Period: 449.9, Epoch: 2440437
Back to main page  Mean light curve  Period diagram

E Mag O (JD) O (dat) C (JD) C (Dat) O-C Source
-65   2411490 1890-05-02 2411194 1889-07-10 296 SVO
-61   2413245 1895-02-20 2412993 1894-06-13 252 GuL, 1952, 2.3, GuL, 1918, 1.1
-60   2413690 1896-05-10 2413443 1895-09-06 247 SVO
-57   2415030 1900-01-10 2414793 1899-05-18 237 SVO
-56   2415469 1901-03-25 2415243 1900-08-11 226 GuL, 1918, 1.1, AnHar, 1952, vol 115
-55   2415901 1902-05-31 2415693 1901-11-04 208 AnHar, 1952, vol 115, GuL, 1918, 1.1
-54   2416365 1903-09-07 2416142 1903-01-27 223 SVO
-53   2416785 1904-10-31 2416592 1904-04-21 193 SVO
-52   2417230 1906-01-19 2417042 1905-07-15 188 SVO
-51   2417680 1907-04-14 2417492 1906-10-08 188 SVO
-50   2418100 1908-06-07 2417942 1908-01-01 158 SVO
-48   2418990 1910-11-14 2418842 1910-06-19 148 SVO
-47 9.2 2419456 1912-02-23 2419292 1911-09-12 164 SVO
-46   2419880 1913-04-22 2419742 1912-12-05 138 SVO
-45   2420315 1914-07-01 2420192 1914-02-28 123 SVO
-44   2420800 1915-10-29 2420641 1915-05-23 159 SVO
-43   2421220 1916-12-22 2421091 1916-08-15 129 SVO
-42   2421660 1918-03-07 2421541 1917-11-08 119 AnHar, 1952, vol 115
-41 10.5 2422117 1919-06-07 2421991 1919-02-01 126 SVO
-39 9.8 2423045 1921-12-21 2422891 1921-07-20 154 AAVSO
-38 8.5 2423489 1923-03-10 2423341 1922-10-13 148 SVO
-37 10.6 2423948 1924-06-11 2423791 1924-01-06 157 SVO
-36 8.9 2424401 1925-09-07 2424241 1925-03-31 160 SVO
-35 9.8 2424851 1926-12-01 2424691 1926-06-24 160 AAVSO
-34 9.3 2425305 1928-02-28 2425140 1927-09-16 165 SVO
-33 9.0 2425763 1929-05-31 2425590 1928-12-09 173 SVO
-32   2426220 1930-08-31 2426040 1930-03-04 180 AAVSO
-31   2426654 1931-11-08 2426490 1931-05-28 164 AAVSO
-30 11.7 2427123 1933-02-19 2426940 1932-08-20 183 AAVSO
-29 9.6 2427569 1934-05-11 2427390 1933-11-13 179 SVO
-28 9.9 2428009 1935-07-25 2427840 1935-02-06 169 SVO
-27 9.0 2428451 1936-10-09 2428290 1936-05-01 161 AAVSO
-26 9.5 2428883 1937-12-15 2428740 1937-07-25 143 SVO
-25 9.4 2429332 1939-03-09 2429190 1938-10-18 142 SVO
-24 9.0 2429779 1940-05-29 2429639 1940-01-10 140 AAVSO
-23   2430181 1941-07-05 2430089 1941-04-04 92 AAVSO
-22   2430632 1942-09-29 2430539 1942-06-28 93 AAVSO
-21   2431064 1943-12-05 2430989 1943-09-21 75 AAVSO
-20 9.1 2431524 1945-03-09 2431439 1944-12-14 85 SVO
-19 10.1 2431974 1946-06-02 2431889 1946-03-09 85 SVO
-18 9.4 2432403 1947-08-05 2432339 1947-06-02 64 SVO
-17 9.3 2432838 1948-10-13 2432789 1948-08-25 49 SVO
-16 9.2 2433285 1950-01-03 2433239 1949-11-18 46 SVO
-15 9.3 2433719 1951-03-13 2433689 1951-02-11 30 SVO
-14 9.2 2434151 1952-05-18 2434138 1952-05-05 13 SVO
-13 9.1 2434593 1953-08-03 2434588 1953-07-29 5 SVO
-12 9.5 2435042 1954-10-26 2435038 1954-10-22 4 SVO
-11 9.1 2435487 1956-01-14 2435488 1956-01-15 -1 SVO
-10 9.4 2435933 1957-04-04 2435938 1957-04-09 -5 SVO
-9 9.0 2436389 1958-07-04 2436388 1958-07-03 1 SVO
-8 8.9 2436834 1959-09-22 2436838 1959-09-26 -4 SVO
-7 9.3 2437281 1960-12-12 2437288 1960-12-19 -7 SVO
-6 8.6 2437733 1962-03-09 2437738 1962-03-14 -5 SVO
-5 9.9 2438188 1963-06-07 2438188 1963-06-07 0 SVO
-4 8.9 2438644 1964-09-05 2438637 1964-08-29 7 SVO
-3 9.7 2439098 1965-12-03 2439087 1965-11-22 11 SVO
-2 8.3 2439520 1967-01-29 2439537 1967-02-15 -17 SVO
-1 9.4 2439983 1968-05-06 2439987 1968-05-10 -4 SVO
0 9.1 2440435 1969-08-01 2440437 1969-08-03 -2 SVO
1 9.1 2440878 1970-10-18 2440887 1970-10-27 -9 SVO
2   2441316 1971-12-30 2441337 1972-01-20 -21 AAVSO
3 8.6 2441759 1973-03-17 2441787 1973-04-14 -28 SVO
4 9.1 2442198 1974-05-30 2442237 1974-07-08 -39 SVO
5 9.1 2442633 1975-08-08 2442687 1975-10-01 -54 SVO
6 9.1 2443071 1976-10-19 2443136 1976-12-23 -65 SVO
7 8.7 2443527 1978-01-18 2443586 1978-03-18 -59 AAVSO
8 9.1 2443962 1979-03-29 2444036 1979-06-11 -74 SVO
9 9.2 2444408 1980-06-17 2444486 1980-09-03 -78 SVO
10 9.1 2444862 1981-09-14 2444936 1981-11-27 -74 SVO
11 8.9 2445307 1982-12-03 2445386 1983-02-20 -79 SVO
12 9.4 2445750 1984-02-19 2445836 1984-05-15 -86 SVO
13 8.7 2446193 1985-05-07 2446286 1985-08-08 -93 SVO
14 9.8 2446641 1986-07-29 2446736 1986-11-01 -95 SVO
15 8.9 2447078 1987-10-09 2447186 1988-01-25 -108 SVO
16 8.7 2447526 1988-12-30 2447635 1989-04-18 -109 SVO
17 9.2 2447983 1990-04-01 2448085 1990-07-12 -102 SVO
18 9.4 2448422 1991-06-14 2448535 1991-10-05 -113 SVO
19 8.5 2448864 1992-08-29 2448985 1992-12-28 -121 SVO
20   2449300 1993-11-08 2449435 1994-03-23 -135 AAVSO
21 9.1 2449755 1995-02-06 2449885 1995-06-16 -130 SVO
22 8.6 2450206 1996-05-02 2450335 1996-09-08 -129 SVO
23 9.1 2450647 1997-07-17 2450785 1997-12-02 -138 SVO
24   2451109 1998-10-22 2451235 1999-02-25 -126 AAVSO
25   2451552 2000-01-08 2451685 2000-05-20 -133 AAVSO
26 8.8 2451980 2001-03-11 2452134 2001-08-12 -154 SVO
27 9.0 2452437 2002-06-11 2452584 2002-11-05 -147 SVO
28 8.7 2452879 2003-08-27 2453034 2004-01-29 -155 SVO
29   2453325 2004-11-15 2453484 2005-04-23 -159 AAVSO
30 8.8 2453765 2006-01-29 2453934 2006-07-17 -169 SVO
31 8.6 2454207 2007-04-16 2454384 2007-10-10 -177 SVO
32 8.8 2454662 2008-07-14 2454834 2009-01-02 -172 SVO
33 9.0 2455113 2009-10-08 2455284 2010-03-28 -171 SVO
34 9.8 2455563 2011-01-01 2455734 2011-06-21 -171 AAVSO
35 9.4 2456010 2012-03-23 2456184 2012-09-13 -174 AAVSO
36 10.1 2456422 2013-05-09 2456633 2013-12-06 -211 SVO
37   2456872 2014-08-02 2457083 2015-03-01 -211 AAVSO
38 10.0 2457323 2015-10-27 2457533 2016-05-24 -210 AAVSO
39 8.9 2457743 2016-12-20 2457983 2017-08-17 -240 SVO
40 9.4 2458186 2018-03-08 2458433 2018-11-10 -247 SVO
41 8.2 2458621 2019-05-17 2458883 2020-02-03 -262 SVO
42 8.8 2459063 2020-08-01 2459333 2021-04-28 -270 SVO
43 8.5 2459500 2021-10-12 2459783 2022-07-22 -283 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.