Epsilon
Aurigae Light Curves
1982 - 1984
Hopkins Phoenix Observatory
Note big oscillations in the (B - V) value near and at the egress.
Note big oscillations and then steady rise in the (U - B) value near and at the egress.
1982 - 1984 Eclipse Contact Times
Average V magnitude
out-of-eclipse - 3.03
Average B magnitude out-of-eclipse - 3.60
Average U magnitude out-of-eclipse - 3.73
|
Filter
|
1st
|
2nd
|
Mid-Eclipse
|
3rd
|
4th
|
|
V
|
5,158
|
5,300
|
5,524 / 5485
|
5,747
|
5,812
|
|
B
|
5,170
|
5,305
|
5,524 / 5492
|
5,742
|
5,813
|
|
U
|
5,180
|
5,300
|
5,528 / 5495
|
5,755
|
5,810
|
Note: Mid-Eclipse
first number is midway between 2nd and 3rd contacts
The second number
is mid-way between 1st and 4th contacts.
Dates are MJD 2,440,000 +
1982 -1984 Eclipse Summary of Event Lengths
|
Filter
|
Ingress
|
Totality
|
Egress
|
Total
|
|
V
|
142 days
|
447 days
|
65 days
|
654 days
|
|
B
|
135 days
|
437 days
|
71 days
|
643 days
|
|
U
|
120 days
|
455 days
|
55 days
|
630 days
|
2009 - 2011
Eclipse Next Eclipse
From above data: 1st
Contact (assume 9885 day period)
V band: 2,455,043
*** Thursday, 30 July 2009
B band: 2,455,055 *** Tuesday, 11 August 2009
U band: 2,455,065 *** Friday, 21 August 2009
Official Prediction for 2009 Eclipse for General Use
MJD + 2,450,000
|
First Contact
|
Second Contact
|
Mid-Eclipse
|
Third Contact
|
Fourth Contact
|
|
5,055
|
5,185
|
5,413
|
5,640
|
5,695
|
|
Tuesday |
Saturday
19 December 2009 |
Wednesday
04 August 2010 |
Saturday
19 March 2011 |
Friday
13 May 2011 |
