Epsilon Aurigae Data

2003 - 2005

Hopkins Phoenix Observatory
Differential UBV PMT
Photon Counting Photometry
Lambda Aurigae was the Comparison Star

JD is 2,450,000 +

JD
V
B
B - V
U
U - B
2979
3.037
3.632
0.596
3.755
0.122
2989
3.006
3.600
0.595
3.716
0.116
2990
3.021
3.619
0.597
3.711
0.093
2991
3.006
3.606
0.599
3.737
0.132
2997
2.977
3.575
0.598
3.680
0.105
2999
2.979
3.577
0.598
3.683
0.107
3002
2.986
3.586
0.599
.3.689
0.103
3008
2.990
3.588
0.597
3.715
0.127
3009
2.990
3.589
0.598
3.714
0.125
3011
2.990
3.589
0.599
3.749
0.160
3014
3.017
3.627
0.609
3.782
0.155
3015
3.018
3.628
0.611
3.808
0.179
3018
3.017
3.634
0.616
3.791
0.157
3022
3.046
3.662
0.616
3.833
0.171
3024
3.049
3.658
0.609
3.791
0.134
3029
3.039
3.651
0.612
3.763
0.111
3031
3.056
3.667
0.611
3.803
0.136
3032
3.045
3.659
0.613
3.771
0.112
3034
3.046
3.660
0.614
3.817
0.157
3035
3.032
3.642
0.609
3.865
0.223
3036
3.049
3.664
0.614
3.817
0.153
3040
3.054
3.670
0.616
3.838
0.168
3042
3.056
3.670
0.614
3.818
0.147
3043
3.066
3.678
0.612
3.859
0.182
3044
3.050
3.664
0.614
3.827
0.162
3045
3.049
3.665
0.615
3.827
0.163
3047
3.052
3.665
0.613
3.841
0.176
3048
3.048
3.661
0.613
3.847
0.185
3049
3.040
3.653
0.613
3.826
0.173
3050
3.047
3.659
0.612
3.812
0.153
3061
3.028
3.636
0.609
3.766
0.129
3065
3.007
3.615
0.608
3.732
0.177
3072
2.984
3.591
0.608
3.684
0.093
3073
2.993
3.605
0.612
3.705
0.100
3074
2.993
3.599
0.606
3.703
0.104
3080
2.993
3.597
0.604
3.653
0.056
3082
2.979
3.585
0.606
3.638
0.053
3090
2.993
3.599
0.606
3.673
0.073
3270
3.002
3.606
0.604
3.720
0.114
3271
2.968
3.574
0.606
3.677
0.103
3272
2.974
3.582
0.607
3.680
0.098
3274
2.976
3.583
0.607
3.668
0.085
3279
2.980
3.588
0.607
3.687
0.099
3280
2.979
3.582
0.603
3.703
0.122
3282
2.977
3.585
0.608
3.687
0.103
32847
2.985
3.592
0.607
3.710
0.117
3287
2.996
3.604
0.609
3.713
0.109
3292
3.000
3.611
0.611
3.724
0.113
3302
3.007
3.615
0.608
3.771
0.156
3308
3.028
3.640
0.612
3.829
0.189
3312
3.050
3.662
0.612
3.822
0.159
3314
3.045
3.658
0.613
3.807
0.149
3315
3.039
3.650
0.611
3.801
0.151
3320
3.049
3.661
0.612
3.943
0.281
3321
3.050
3.665
0.615
3.834
0.169
3325
3.056
3.670
0.614
3.835
0.165
3329
3.041
3.655
0.614
3.808
0.153
3330
3.042
3.655
0.613
3.817
0.162
3335
3.031
3.643
0.612
3.791
0.148
3337
3.016
3.626
0.611
3.769
0.142
3339
3.024
3.636
0.612
3.750
0.114
3340
3.030
3.641
0.611
3.779
0.138
3341
3.032
3.641
0.609
3.783
0.142
3342
3.030
3.641
0.611
3.791
0.150
3347
3.014
3.623
0.610
3.740
0.116
3349
3.007
3.617
0.610
3.746
0.129
3350
3.007
3.616
0.609
3.757
0.141
3352
3.002
3.610
0.607
3.723
0.113
3354
2.998
3.608
0.610
3.724
0.116
3355
3.006
3.614
0.608
3.760
0.145
3356
3.003
3.614
0.611
3.754
0.141
3357
2.992
3.606
0.613
3.711
0.106
3359
2.996
3.605
0.610
3.742
0.137
3360
3.001
3.610
0.609
3.723
0.113
3361
2.992
3.599
0.606
3.694
0.095
3362
3.005
3.616
0.611
3.727
0.112
3366
3.002
3.610
0.608
3.715
0.105
3384
3.018
3.625
0.607
3.760
0.135
3386
3.016
3.622
0.607
3.751
0.129
3388
3.025
3.632
0.606
3.763
0.132
3389
3.018
3.623
0.606
3.757
0.133
3390
3.009
3.614
0.605
3.733
0.119
3391
3.010
3.616
0.609
3.734
0.116
3394
2.990
3.598
0.608
3.713
0.115
3400
2.990
3.595
0.605
3.721
0.127
3401
2.980
3.586
0.607
3.698
0.112
3402
2.966
3.575
0.609
3.690
0.114
3403
2.974
3.579
0.606
3.680
0.101
3404
2.969
3.572
0.604
3.667
0.095
3405
2.979
3.585
0.605
3.703
0.119
3406
2.963
3.569
0.607
3.674
0.105
3409
2.960
3.563
0.604
3.668
0.104
3416
2.970
3.576
0.606
3.690
0.114
3425
3.008
3.614
0.607
3.739
0.125
3427
3.006
3.615
0.608
3.746
0.132
3429
3.022
3.630
0.606
3.765
0.136
3430
3.017
3.625
0.608
3.744
0.119
3431
3.030
3.640
0.610
3.773
0.133
3433
3.038
3.649
0.611
3.765
0.116
3434
3.016
3.627
0.611
3.759
0.132
3437
3.040
3.646
0.607
3.753
0.107
3438
3.035
3.645
0.609
3.768
0.123
3440
3.041
3.649
0.608
3.782
0.133
3441
3.036
3.645
0.609
3.775
0.130
3442
3.035
3.645
0.610
3.770
0.125
3443
3.036
3.646
0.610
3.747
0.101
3444
3.040
3.652
0.612
3.807
0.155
3446
3.040
3.655
0.614
3.759
0.105
3451
3.033
3.643
0.610
3.771
0.128
3452
3.036
3.646
0.609
3.769
0.123
3453
3.037
3.646
0.609
3.764
0.117
3456
2.998
3.602
0.604
3.717
0.115
3460
3.032
3.632
0.600
3.747
0.116
3463
3.020
3.627
0.607
3.737
0.111
3465
3.020
3.627
0.607
3.729
0.101
3466
3.028
3.634
0.606
3.724
0.090
3467
3.012
3.622
0.611
3.688
0.066
3472
3.028
3.636
0.607
3.736
0.100
3473
3.016
3.622
0.607
3.738
0.166

 


1982 To 1988
UBV Data

Includes 1982 - 1984
Eclipse Data

NOTES AND OBSERVERS

M. Dumont, JUNGFRAUJOCH OBSERVATORY
France

J.L. Hopkins, HOPKINS PHOENIX OBSERVATORY (HPO)
Phoenix, Arizona, USA

Stig I.Ingvarsson, T.A.O. OBSERVATORY
Skarhamn, Sweden

 

JD 2979 is 5 December 2003

JD 3292 is 13 October 2004

JD 3362 is 21 December 2004

JD 3402 is 30 January 2005

JD 3473 is 11 April 2005

Lambda Aurigae Magnitudes
J= 3.62 H= 3.33 * V= 4.71 B= 5.34 U= 5.46

Note all the 2003 - 2005 UBV Data was taken by HPO

 


Far Infrared J and H Band Photometry Data

JD
2,450,000+

J
#
SD
H
#
SD
Comp
Observer
3,072.6262
1.78
1
N/A
1.80
1
N/A
lamda Aur
TDI
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