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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)