HPOL Synthetic UBVRI Filter Data for HD189957

HD189957
HD189957
RA(J2000): 2000599
Dec(J2000): +420031
Spectral Type: B0III
Type: ISM
V Mag: 8.0
Contact: ajw

NOTES:

For data that has a TRIPLOT available, you can view that triplot by clicking on the date, or the TRIPLOT button in the far right column of the data.

Data listed in RED should be considered preliminary results only.

Filter data listed in this color represent bandpasses that include a falloff in instrument response. (See the descriptions of Wav1 and Wav2 for grating cutoff versus filter bandpasses.)

HPOL Synthetic Filter Data for HD189957
Target Date MJD ExpT Wav1 Wav2 %Q %U %Err %Pol PA Pub Cal Comments Triplot
HD189957 19950703 49901.79 2800 3199. 6106. -0.0026 -0.1370 0.0149 0.1371 134.45 J33,J58 pbo3a1 _ Triplot
HD189957 19950703 49901.74 3200 6046. 10434. 0.0253 -0.1140 0.0084 0.1168 141.25 J33,J58 pbo3a1 _ Triplot
UX UX -0.0922 -0.0301 0.0547 0.0970 99.043
B B 0.0279 -0.1047 0.0180 0.1084 142.461
V V -0.0259 -0.1519 0.0103 0.1541 130.156
R R 0.0317 -0.1487 0.0065 0.1521 141.019
I I 0.0194 -0.0849 0.0060 0.0871 141.422
HD189957 19950909 49969.64 2800 3175. 6112. 0.1235 -0.1025 0.0108 0.1605 160.16 J33,J58 pbo3a2 _ Triplot
HD189957 19950909 49969.69 3200 6054. 10442. 0.0678 -0.0234 0.0069 0.0718 170.48 J33,J58 pbo3a2 _ Triplot
UX UX 0.0123 0.0033 0.0366 0.0127 7.439
B B 0.1106 -0.1674 0.0120 0.2006 151.719
V V 0.1494 -0.0801 0.0078 0.1695 165.908
R R 0.0814 -0.0618 0.0047 0.1022 161.410
I I 0.0640 0.0018 0.0051 0.0640 0.811
HD189957 19960801 50296.70 2400 6014. 10426. 0.0024 -0.0735 0.0071 0.0735 135.92 J58 pbo3a4 red only,3 fl pr;no cals Triplot
UX UX _ _ _ _ _
B B _ _ _ _ _
V V _ _ _ _ _
R R -0.0010 -0.0771 0.0048 0.0771 134.614
I I 0.0104 -0.0592 0.0051 0.0601 139.987
HD189957 19960809 50304.75 6400 3175. 6097. 0.0642 -0.1624 0.0065 0.1746 145.78 J58 pbo3a4 _ Triplot
HD189957 19960809 50304.70 3200 6014. 10442. 0.0187 -0.1093 0.0061 0.1109 139.86 J58 pbo3a4 _ Triplot
UX UX 0.1709 -0.1184 0.0163 0.2079 162.637
B B 0.0711 -0.2110 0.0067 0.2226 144.307
V V 0.0497 -0.1520 0.0050 0.1599 144.054
R R 0.0271 -0.1317 0.0035 0.1344 140.809
I I 0.0042 -0.0954 0.0045 0.0955 136.272
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