| RW Tau |
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QUADRATIC FIT |
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EA/sd |
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| GCVS 4 Eph. |
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45684.204 |
2.7688356 |
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| --- Working ---- |
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| Epoch = |
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45684.204 |
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| Period = |
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2.7688356 |
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| Rounding Tol. = |
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0.2 |
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Linear |
Quadratic |
y = A(X-Xo)^2
+ C |
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| LS Intercept = |
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0.026198477 |
A = |
-1.70E-08 |
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| LS Slope = |
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-8.31923E-05 |
Xo = |
-950 |
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| LS Quadr term = |
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C = |
0.015 |
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| Sum diff² = |
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| New epoch = |
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51509.68687 |
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| New Period = |
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2.768752408 |
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| New Ephemeris = |
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51509.68687 |
2.76875241 |
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Y1 |
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Y2 |
Y3 |
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| Source |
Typ |
ToM |
error |
n' |
n |
O-C |
GCVS 4 |
Mallama |
OMT #1 |
IBVS 4840 |
Lin. Fit |
Q. fit |
Date |
| Mallama 1980 |
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39855.8023 |
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-2105.001 |
-2105 |
-0.002762 |
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-0.00276 |
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-0.00768 |
12/31/1967 |
| Mallama 1980 |
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40221.288 |
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-1973.001 |
-1973 |
-0.003361 |
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-0.00336 |
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-0.00279 |
12/30/1968 |
| Mallama 1980 |
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40586.7777 |
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-1841 |
-1841 |
3.96E-05 |
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4E-05 |
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0.001504 |
12/31/1969 |
| Mallama 1980 |
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41317.7634 |
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-1576.995 |
-1577 |
0.013141 |
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0.01314 |
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0.008317 |
1/1/1972 |
| Mallama 1980 |
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41683.2478 |
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-1444.996 |
-1445 |
0.011242 |
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0.01124 |
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0.010835 |
12/31/1972 |
| Mallama 1980 |
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42048.7364 |
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-1312.995 |
-1313 |
0.013543 |
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0.01354 |
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0.01276 |
1/1/1974 |
| Mallama 1980 |
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42411.4543 |
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-1181.995 |
-1182 |
0.013979 |
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0.01398 |
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0.014085 |
12/29/1974 |
| Mallama 1980 |
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42776.9377 |
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-1049.996 |
-1050 |
0.01108 |
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0.01108 |
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0.01483 |
12/30/1975 |
| OMT #1 |
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42815.701 |
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-1035.996 |
-1036 |
0.010682 |
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0.010682 |
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0.014874 |
2/7/1976 |
| OMT #1 |
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42815.701 |
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-1035.996 |
-1036 |
0.010682 |
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0.010682 |
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0.014874 |
2/7/1976 |
| OMT #1 |
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43006.752 |
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-966.9957 |
-967 |
0.012025 |
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0.012025 |
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0.014995 |
8/16/1976 |
| OMT #1 |
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43017.826 |
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-962.9961 |
-963 |
0.010683 |
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0.010683 |
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0.014997 |
8/27/1976 |
| OMT #1 |
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43128.577 |
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-922.997 |
-923 |
0.008259 |
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0.008259 |
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0.014988 |
12/16/1976 |
| OMT #1 |
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43139.653 |
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-918.9968 |
-919 |
0.008916 |
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0.008916 |
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0.014984 |
12/27/1976 |
| Mallama 1980 |
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43142.4211 |
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-917.997 |
-918 |
0.008181 |
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0.00818 |
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0.014983 |
12/29/1976 |
| OMT #1 |
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43164.571 |
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-909.9973 |
-910 |
0.007396 |
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0.007396 |
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0.014973 |
1/21/1977 |
| OMT #1 |
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43175.649 |
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-905.9964 |
-906 |
0.010054 |
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0.010054 |
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0.014967 |
2/1/1977 |
| Mallama 1980 |
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43507.9027 |
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-785.9987 |
-786 |
0.003482 |
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0.00348 |
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0.014543 |
12/30/1977 |
| OMT #1 |
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43571.589 |
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-762.9976 |
-763 |
0.006563 |
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0.006563 |
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0.014406 |
3/4/1978 |
| OMT #1 |
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44191.808 |
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-538.9977 |
-539 |
0.006388 |
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0.006388 |
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0.012128 |
11/14/1979 |
| OMT #1 |
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44216.727 |
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-529.9979 |
-530 |
0.005868 |
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0.005868 |
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0.012001 |
12/9/1979 |
| OMT #1 |
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44576.676 |
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-399.9977 |
-400 |
0.00624 |
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0.00624 |
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0.009858 |
12/3/1980 |
| OMT #1 |
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44598.828 |
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-391.9973 |
-392 |
0.007555 |
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0.007555 |
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0.009707 |
12/25/1980 |
| OMT #1 |
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44612.669 |
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-386.9984 |
-387 |
0.004377 |
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0.004377 |
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0.009612 |
1/8/1981 |
| OMT #1 |
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44958.778 |
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-261.9968 |
-262 |
0.008927 |
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0.008927 |
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0.006953 |
12/20/1981 |
| OMT #1 |
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45008.616 |
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-243.9972 |
-244 |
0.007886 |
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0.007886 |
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0.006527 |
2/8/1982 |
| GCVS 4 |
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45684.204 |
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0 |
0 |
0 |
0 |
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-0.00034 |
12/15/1983 |
| OMT #1 |
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45999.846 |
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113.9981 |
114 |
-0.005258 |
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-0.00526 |
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-0.00425 |
10/26/1984 |
| OMT #1 |
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46038.612 |
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127.99893 |
128 |
-0.002957 |
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-0.00296 |
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-0.00476 |
12/4/1984 |
| OMT #1 |
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46038.613 |
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127.99929 |
128 |
-0.001957 |
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-0.00196 |
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-0.00476 |
12/4/1984 |
| OMT #1 |
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46074.608 |
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140.99934 |
141 |
-0.00182 |
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-0.00182 |
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-0.00523 |
1/9/1985 |
| OMT #1 |
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46121.676 |
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157.99855 |
158 |
-0.004025 |
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-0.00402 |
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-0.00587 |
2/25/1985 |
| OMT #1 |
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46384.712 |
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252.99732 |
253 |
-0.007407 |
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-0.00741 |
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-0.0096 |
11/15/1985 |
| OMT #1 |
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46420.714 |
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265.9999 |
266 |
-0.00027 |
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-0.00027 |
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-0.01014 |
12/21/1985 |
| OMT #1 |
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46445.628 |
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274.99791 |
275 |
-0.00579 |
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-0.00579 |
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-0.01051 |
1/15/1986 |
| OMT #1 |
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46456.697 |
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278.99562 |
279 |
-0.012132 |
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-0.01213 |
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-0.01068 |
1/26/1986 |
| OMT #1 |
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46766.807 |
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390.99577 |
391 |
-0.01172 |
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-0.01172 |
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-0.01557 |
12/2/1986 |
| OMT #1 |
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46769.576 |
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391.99583 |
392 |
-0.011555 |
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-0.01156 |
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-0.01562 |
12/5/1986 |
| OMT #1 |
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46827.721 |
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412.99563 |
413 |
-0.012103 |
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-0.0121 |
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-0.01658 |
2/1/1987 |
| OMT #1 |
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46877.57 |
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430.99923 |
431 |
-0.002144 |
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-0.00214 |
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-0.01742 |
3/23/1987 |
| OMT #1 |
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47126.749 |
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520.99337 |
521 |
-0.018348 |
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-0.01835 |
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-0.02179 |
11/27/1987 |
| OMT #1 |
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47140.594 |
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525.99367 |
526 |
-0.017526 |
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-0.01753 |
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-0.02204 |
12/11/1987 |
| OMT #1 |
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47151.67 |
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529.99391 |
530 |
-0.016868 |
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-0.01687 |
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-0.02224 |
12/22/1987 |
| OMT #1 |
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47212.584 |
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551.99377 |
552 |
-0.017251 |
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-0.01725 |
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-0.02335 |
2/21/1988 |
| OMT #1 |
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47547.607 |
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672.99156 |
673 |
-0.023359 |
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-0.02336 |
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-0.02978 |
1/21/1989 |
| OMT #1 |
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47583.596 |
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685.98945 |
686 |
-0.029222 |
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-0.02922 |
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-0.0305 |
2/26/1989 |
| OMT #1 |
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47807.863 |
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766.98631 |
767 |
-0.037905 |
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-0.03791 |
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-0.03512 |
10/8/1989 |
| OMT #1 |
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47907.538 |
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802.9852 |
803 |
-0.040987 |
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-0.04099 |
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-0.03724 |
1/16/1990 |
| OMT #1 |
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47918.618 |
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806.98688 |
807 |
-0.036329 |
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-0.03633 |
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-0.03748 |
1/27/1990 |
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900 |
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-0.04318 |
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1000 |
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-0.04964 |
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1100 |
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-0.05644 |
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1200 |
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-0.06358 |
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1300 |
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-0.07106 |
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1400 |
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-0.07888 |
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1500 |
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-0.08704 |
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1600 |
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-0.09554 |
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1700 |
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-0.10438 |
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1800 |
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-0.11356 |
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1900 |
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-0.12308 |
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2000 |
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-0.13294 |
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| IBVS 4912 |
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51177.436 |
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1983.9502 |
1984 |
-0.13783 |
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-0.13783 |
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-0.13134 |
12/29/1998 |
| IBVS 4840 |
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51509.68687 |
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2103.9468 |
2104 |
-0.147232 |
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-0.14723 |
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-0.14356 |
11/27/1999 |
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