Skip to main content

Advertisement

Table 4 Parameters of the true elliptical arcs used for investigating the accuracy of pointing correction

From: Overview of Akatsuki data products: definition of data levels, method and accuracy of geometric correction

Case Instrument Wavelength (μm) Day/night M \(\theta_{1}\) (deg) \(\theta_{2}\) (deg) \(x_{\text{SSCt}}\) (pix) \(y_{\text{SSCt}}\) (pix) \(\theta_{\text{Vt}}\) (rad)
L ir1 0.97 Night 606 − 55 55 462 488 0.011
ir1 0.9 Day 660 115 245 462 488 0.011
ir1 0.9 Night 606 − 55 55 462 488 0.011
ir1 1.01 Night 606 − 55 55 462 488 0.011
ir2 1.74 Night 606 − 55 55 462 488 0.011
ir2 2.02 Day 660 115 245 462 488 0.011
ir2 2.26 Night 606 − 55 55 462 488 0.011
ir2 2.32 Night 606 − 55 55 462 488 0.011
lir   Both 400 − 90 270 114 100 0.049
uvi 0.283 Day 660 115 245 462 488 0.012
uvi 0.365 Day 660 115 245 462 488 0.012
S ir1 0.9 Day 132 115 245 462 488 0.011
ir2 1.74 Night 107 − 55 55 462 488 0.011
ir2 2.02 Day 132 115 245 462 488 0.011
ir2 2.26 Night 107 − 55 55 462 488 0.011
ir2 2.32 Night 107 − 55 55 462 488 0.011
lir   Both 80 − 90 270 114 100 0.049
uvi 0.283 Day 132 115 245 462 488 0.012
uvi 0.365 Day 132 115 245 462 488 0.012
  1. M, \(\theta_{1} , {\text{and }} \theta_{2}\) are roughly determined from images listed in Additional file 1. \({\text{x}}_{\text{SSCt}} , y_{{{\text{SSCt}}}} , {\text{and}} \,\,\theta_{\text{Vt}}\) are derived from Ogohara et al. (2012)