PDS_VERSION_ID                   = PDS3                                       
RECORD_TYPE                      = STREAM                                     
OBJECT                           = TEXT                                       
  PUBLICATION_DATE               = 2018-06-26                                 
  NOTE                           = "Description of the DOCUMENT               
                                    directory contents for a VIRTIS           
                                    release."                                 
END_OBJECT                       = TEXT                                       
END                                                                           
                                                                              
                   DOCUMENT Directory Contents                                
                                                                              
The DOCUMENT directory contains documentation files for a VIRTIS ROSETTA      
archive volume.  The files listed below are found in this directory.          
                                                                              
DOCINFO.TXT      -  The file you are reading.                                 
                                                                              
RO_VIRTIS_EAICD.PDF -  Adobe Acrobat version of EAICD                         
                    The EAICD (Experimenter to (Science) Archive              
                    Interface Control Document) provides users of the         
                    VIRTIS instrument with detailed description of the        
                    product and a description of how it was generated,        
                    including data sources and destinations. It is the        
                    official interface between our instrument team and        
                    the archiving authority.                                  
                                                                              
RO_VIRTIS_EAICD.ASC -  Text version of EAICD                                  
                                                                              
VIRTIS_EXP_USER_MANUAL.PDF -  Adobe Acrobat version  of Virtis User           
                              Manual                                          
                                                                              
VIRTIS_M_CALIBRATION_REPORT.ASC  -   Calibration documentation for M          
                                     Visible and Infrared channels            
                                                                              
VIRTIS_M_CALIBRATION_REPORT.PDF   -   Adobe Acrobat version of                
                                      calibration documentation for M         
                                      channel                                 
                                                                              
VIRTIS_H_CALIBRATION.PDF -  Adobe Acrobat version  of calibration             
                            documentation for H channel                       
                                                                              
VIRTIS_H_CALIBRATION.ASC -  Text version of calibration documentation for     
                            H channel                                         
                                                                              
VIRTIS_PDS_IDL_SW_MANUAL.PDF -  Documentation of IDL package to work with     
                                VIRTIS data                                   
                                                                              
VIRTISROS_GEOMETRY.PDF - VIRTIS - Rosetta geometry files documentation        
                                                                              
VIR-IAS-TN-026_ISSUE1.PDF - VIRTIS PFM Payload Passive Checkout 3             
                            Observations Report                               
                                                                              
VIR-IAS-TR-010_ISSUE2.PDF - VIRTIS PFM Payload Active Checkout 4              
                            Observations Report                               
                                                                              
VIR-IAS-TR-027_ISSUE1.PDF - VIRTIS PFM Mars Swing by                          
                            Observations Report                               
                                                                              
IMAGE001.PNG - RO_VIRTIS_EAICD.ASC: VIRTIS functional block diagram           
                                                                              
IMAGE002.PNG - RO_VIRTIS_EAICD.ASC: Data Organization on the CCD and IR       
               detectors of VIRTIS-M                                          
                                                                              
IMAGE003.PNG - RO_VIRTIS_EAICD.ASC: Spectral orders distributed over the IR   
               FPA area. Only 15% of the matrix contains scientific data      
                                                                              
IMAGE004.PNG - RO_VIRTIS_EAICD.ASC: VIRTIS/Rosetta data set generation        
                                                                              
IMAGE005.PNG - RO_VIRTIS_EAICD.ASC: Standard PDS volume set organization:     
               one data set, one volume                                       
                                                                              
IMAGE006.PNG - RO_VIRTIS_EAICD.ASC: Structure of the qube data                
                                                                              
IMAGE007.PNG - RO_VIRTIS_EAICD.ASC: Structure of dark frames acquisition      
                                                                              
IMAGE008.PNG - RO_VIRTIS_EAICD.ASC: VIRTIS H data cube in 64-spectra mode. In 
               this case, each frame contains the 64 spectra transferred      
               together. The # of bands is equal to 3456                      
                                                                              
IMAGE009.PNG - RO_VIRTIS_EAICD.ASC: Organization of the sideplanes            
                                                                              
IMAGE010.PNG - VIRTIS_H_CALIBRATION.ASC: Flow diagram describing the          
               calibration process for Nominal data                           
                                                                              
IMAGE011.PNG - VIRTIS_H_CALIBRATION.ASC: Emission of the Fabry-Perot spectral 
               lines in each order                                            
                                                                              
IMAGE012.PNG - VIRTIS_H_CALIBRATION.ASC: Registration drift estimation in     
               spatial direction using all internal calibrations since        
               Steins Flyby                                                   
                                                                              
IMAGE013.PNG - VIRTIS_H_CALIBRATION.ASC: Registration drift estimation        
               in spectral direction using all internal calibrations          
               since Steins Flyby                                             
                                                                              
IMAGE014.PNG - VIRTIS_H_CALIBRATION.ASC: Optimisation of the spectral         
               registration in order 4, using ESCORT phase data and           
               theoretical model                                              
                                                                              
IMAGE015.PNG - VIRTIS_H_CALIBRATION.ASC: Formula used to calculate the        
               spectral response                                              
                                                                              
IMAGE016.PNG - VIRTIS_H_CALIBRATION.ASC: Spectral response at 2 micron,       
               order 8                                                        
                                                                              
IMAGE017.PNG - VVIRTIS_H_CALIBRATION.ASC: Spectral response at 2 micron,      
               order 0                                                        
                                                                              
IMAGE018.PNG - VIRTIS_H_CALIBRATION.ASC: Plot of the spectral profile         
               through order 0 20                                             
                                                                              
IMAGE019.PNG - VIRTIS_H_CALIBRATION.ASC: Odd/even effect on the Virtis-H      
               matrix detector (Up: Backup image, Down: extraction of a       
               pixel values in X direction)                                   
                                                                              
IMAGE020.PNG - VIRTIS_H_CALIBRATION.ASC: YACADIRE correction curve            
                                                                              
IMAGE021.PNG - VIRTIS_H_CALIBRATION.ASC: a) Backup raw image (2D)             
               b) map of the stray light                                      
               c) Backup raw image corrected from the stray light effect      
                                                                              
IMAGE022.PNG - VIRTIS_H_CALIBRATION.ASC: H2O vapor correction by HITRAN       
               database fitting                                               
                                                                              
IMAGE023.PNG - VIRTIS_H_CALIBRATION.ASC: Flow diagram of the BETA Transfer    
               Function creation                                              
                                                                              
IMAGE024.PNG - VIRTIS_H_CALIBRATION.ASC: Flow diagram of the Final            
               Transfer Function creation                                     
                                                                              
IMAGE025.PNG - VIRTIS_H_CALIBRATION.ASC: Example of dark corruption           
                                                                              
FIGURE02.PNG - VIRTISROS_GEOMETRY.ASC: Observations intercepting the          
               surface for planets, the reference ellipsoid is in             
               general inside the DTM                                         
                                                                              
FIGURE03.PNG - VIRTISROS_GEOMETRY.ASC: Slit orientation for Virtis-H          
                                                                              
FIGURE04.PNG - VIRTISROS_GEOMETRY.ASC: Sun direction in the instrument frame  
                                                                              
FIGURE05.PNG - VIRTISROS_GEOMETRY.ASC: Limb/coma observations                 
                                                                              
FIGURE06.PNG - VIRTISROS_GEOMETRY.ASC: Details of Rosetta instruments'FOV in  
               the spacecraft X/Y frame. Zs/c points into the page,           
               +Xs/c points to the right, and +Ys/c points down               
                                                                              
