\contentsline {section}{\numberline {1}{\bf Introduction to the Analysis of Yohkoh Data}}{1}
\contentsline {subsection}{\numberline {1.1}Yohkoh Instruments and Spacecraft}{1}
\contentsline {subsection}{\numberline {1.2}Yohkoh Data Files}{2}
\contentsline {subsubsection}{\numberline {1.2.1}Instrument Data Files}{2}
\contentsline {subsubsection}{\numberline {1.2.2}Secondary Database files}{2}
\contentsline {subsubsection}{\numberline {1.2.3}Other Database Files}{3}
\contentsline {subsubsection}{\numberline {1.2.4}Location of Available Files}{3}
\contentsline {subsubsection}{\numberline {1.2.5}What files are needed for Analysis}{3}
\contentsline {subsection}{\numberline {1.3}The Analysis Software}{4}
\contentsline {subsubsection}{\numberline {1.3.1}Examining the Catalogue Files}{4}
\contentsline {subsubsection}{\numberline {1.3.2}Extracting Instrument Data}{4}
\contentsline {section}{\numberline {2}{\bf General Yohkoh Software (Getting Started)}}{5}
\contentsline {subsection}{\numberline {2.1}How to Access the Yohkoh Observing Logs and Event Logs}{5}
\contentsline {subsubsection}{\numberline {2.1.1}Performing Searches Using the Observing Log (XSEARCH\_OBS)}{6}
\contentsline {subsubsection}{\numberline {2.1.2}Displaying a Light Curve Set of all Instruments (PLOTY)}{6}
\contentsline {subsubsection}{\numberline {2.1.3}Displaying a Light Curve Set of all Instruments (OBS\_PLOT)}{6}
\contentsline {subsubsection}{\numberline {2.1.4}Listing of the SXT Images and Heliocentric Locations}{6}
\contentsline {subsubsection}{\numberline {2.1.5}Light Curves from BCS, WBS and HXT}{8}
\contentsline {subsubsection}{\numberline {2.1.6}Creating a List of Yohkoh Events (PR\_EVN)}{9}
\contentsline {subsubsection}{\numberline {2.1.7}Direct Reading of the Observing Log}{9}
\contentsline {subsection}{\numberline {2.2}Summary SXT Full-frame image data}{10}
\contentsline {subsubsection}{\numberline {2.2.1}The Monthly SXT FFI files (SFM)}{10}
\contentsline {subsubsection}{\numberline {2.2.2}Browsing the Laser Movie (at ISAS, LPARL or MSU)}{10}
\contentsline {subsection}{\numberline {2.3}Accessing the Yohkoh Data}{10}
\contentsline {subsubsection}{\numberline {2.3.1}Interactive Access (YODAT)}{10}
\contentsline {subsubsection}{\numberline {2.3.2}Advanced YODAT Options}{13}
\contentsline {subsubsection}{\numberline {2.3.3}Lowlevel Access Routine (READ\_XDA)}{13}
\contentsline {subsubsection}{\numberline {2.3.4}Most Common BCS Display Routines}{13}
\contentsline {subsubsection}{\numberline {2.3.5}Most Common HXT Display Routines}{13}
\contentsline {subsubsection}{\numberline {2.3.6}Most Common SXT Display Routines}{13}
\contentsline {subsubsection}{\numberline {2.3.7}Most Common WBS Display Routines}{14}
\contentsline {subsection}{\numberline {2.4}How to Perform Spectral Fitting}{14}
\contentsline {subsection}{\numberline {2.5}Selection and Extraction of an Arbitrary Shaped Sub-Image \unhbox \voidb@x \hbox {(WDEFROI) [*]}}{14}
\contentsline {section}{\numberline {3}{\bf Bragg Crystal Spectrometer (BCS)}}{16}
\contentsline {subsection}{\numberline {3.1} Entry Point Into the Data}{16}
\contentsline {subsubsection}{\numberline {3.1.1}Accessing a Specific Time Interval Using YODAT}{17}
\contentsline {subsubsection}{\numberline {3.1.2}Accessing a Specific Time Interval Using WBDA}{17}
\contentsline {subsubsection}{\numberline {3.1.3}Browsing}{17}
\contentsline {subsection}{\numberline {3.2} Examining Data in the BDA Files}{19}
\contentsline {subsubsection}{\numberline {3.2.1}Listing the BDA Data}{20}
\contentsline {subsubsection}{\numberline {3.2.2}Light Curve (only) Plot Routines}{20}
\contentsline {subsubsection}{\numberline {3.2.3}Spectra and Light Curve Plot Routines}{20}
\contentsline {subsubsection}{\numberline {3.2.4}Spectral (only) Plot Routines}{21}
\contentsline {subsubsection}{\numberline {3.2.5}2-d Plots of Spectra Against Time}{21}
\contentsline {subsubsection}{\numberline {3.2.6}Spectral Movie}{21}
\contentsline {subsubsection}{\numberline {3.2.7}Overplotting Spectra}{21}
\contentsline {subsubsection}{\numberline {3.2.8}Light Curves of Selected Bins}{22}
\contentsline {subsection}{\numberline {3.3} Calibrating and Fitting Spectra (using the BSC software)}{22}
\contentsline {subsubsection}{\numberline {3.3.1}Listing the BSC Data}{22}
\contentsline {subsubsection}{\numberline {3.3.2}Fitting the BSC Data}{23}
\contentsline {subsubsection}{\numberline {3.3.3}Temperature Fit (by Comparison)}{23}
\contentsline {subsubsection}{\numberline {3.3.4}Extraction from the BSC structures}{23}
\contentsline {subsubsection}{\numberline {3.3.5}Displaying the BSC Data}{23}
\contentsline {subsection}{\numberline {3.4} Other Useful BCS Routines}{25}
\contentsline {section}{\numberline {4}{\bf Hard X-Ray Telescope (HXT)}}{27}
\contentsline {subsection}{\numberline {4.1}Preparations}{27}
\contentsline {subsection}{\numberline {4.2}Time profiles}{27}
\contentsline {subsubsection}{\numberline {4.2.1}How to Plot Light Curves of HXT Data}{27}
\contentsline {subsubsection}{\numberline {4.2.2}Displaying or printing time profiles}{27}
\contentsline {subsubsection}{\numberline {4.2.3}Obtaining count rate data }{28}
\contentsline {subsection}{\numberline {4.3}Synthesizing Images from HXT Data}{29}
\contentsline {subsubsection}{\numberline {4.3.1}Determining the Flare Location on the Sun (HXT Address)}{29}
\contentsline {subsubsection}{\numberline {4.3.2}Quicklook of Synthesized Image (HXT\_QLOOK)}{29}
\contentsline {subsubsection}{\numberline {4.3.3}HXT\_IMG (McTiernan) [*]}{29}
\contentsline {subsubsection}{\numberline {4.3.4}AUTO\_HXI [*]}{30}
\contentsline {subsection}{\numberline {4.4}Using HXT for Broad-Band Hard X-Ray Spectrophotometry}{31}
\contentsline {subsubsection}{\numberline {4.4.1}Determining Temperatures}{31}
\contentsline {subsection}{\numberline {4.5}How to Fit HXT Spectra: HXTBOX\_FSP (McTiernan) [*]}{31}
\contentsline {subsection}{\numberline {4.6}Spectral analysis with HXT (Sakao)}{32}
\contentsline {subsubsection}{\numberline {4.6.1}Background selection}{32}
\contentsline {subsubsection}{\numberline {4.6.2}Power Law Spectrum}{32}
\contentsline {subsubsection}{\numberline {4.6.3}Thermal spectrum}{32}
\contentsline {subsection}{\numberline {4.7}Useful Routines for HXT}{33}
\contentsline {section}{\numberline {5}{\bf Soft X-Ray Telescope (SXT)}}{34}
\contentsline {subsection}{\numberline {5.1}How to View SXT Images}{34}
\contentsline {subsection}{\numberline {5.2} Preparing the SXT Data for Analysis (SXT\_PREP)}{35}
\contentsline {subsection}{\numberline {5.3} Making a Light Curve with SXT Images (LCUR\_IMAGE)}{38}
\contentsline {subsection}{\numberline {5.4}Making a Mission Long SXT Light Curve}{39}
\contentsline {subsection}{\numberline {5.5}Jitter and Assembly of PFIs from Multiple Exposures}{39}
\contentsline {subsection}{\numberline {5.6}Displaying SXT and Ground-Based Synoptic Maps}{39}
\contentsline {subsection}{\numberline {5.7}Alignment of Optical and X-Ray Images}{40}
\contentsline {subsection}{\numberline {5.8}Aligning Ground-Based Images with SXT}{40}
\contentsline {subsubsection}{\numberline {5.8.1}Determining the Coordinates Using FIT\_LIMB}{41}
\contentsline {subsubsection}{\numberline {5.8.2}Determining the Coordinates Using DSK\_LOCB}{41}
\contentsline {subsubsection}{\numberline {5.8.3}Determining the Coordinates and/or Roll by Feature Correlation}{42}
\contentsline {subsubsection}{\numberline {5.8.4}Registering One Image to Another Image}{42}
\contentsline {subsection}{\numberline {5.9}How to Correct for Vignetting}{43}
\contentsline {subsection}{\numberline {5.10}Determining the Pointing Coordinates for SXT PFI}{43}
\contentsline {subsubsection}{\numberline {5.10.1}Simple Plots of Location Relative to the Solar Limb}{43}
\contentsline {subsubsection}{\numberline {5.10.2}Overlaying the PFI Location on an Image (PFI\_LOC)}{43}
\contentsline {subsubsection}{\numberline {5.10.3}Listing of the Images and Heliocentric Locations}{44}
\contentsline {subsubsection}{\numberline {5.10.4}Extracting the PFI Location (GT\_CENTER)}{44}
\contentsline {subsection}{\numberline {5.11}Filter Responses}{44}
\contentsline {subsection}{\numberline {5.12}Determining Temperatures for SXT Images (SXT\_TEEM)}{44}
\contentsline {subsubsection}{\numberline {5.12.1}Read in the data}{47}
\contentsline {subsubsection}{\numberline {5.12.2}Prepare the data: Part 1 (background subtraction, registration) }{47}
\contentsline {subsubsection}{\numberline {5.12.3}Prepare the data: Part 2 (Filter selection) }{48}
\contentsline {subsubsection}{\numberline {5.12.4}Prepare the data: Part 3 (Interpolation) }{48}
\contentsline {subsubsection}{\numberline {5.12.5}Compute SXT temperatures}{48}
\contentsline {subsubsection}{\numberline {5.12.6}Additional Hints and Notes}{49}
\contentsline {subsection}{\numberline {5.13}Looking at Time-Profiles of Temperatures (GO\_TEEM)}{50}
\contentsline {subsection}{\numberline {5.14}How to Fit SXT Spectra (McTiernan) [*]}{51}
\contentsline {subsection}{\numberline {5.15}Useful Routines for SXT}{52}
\contentsline {section}{\numberline {6}{\bf Wide Band Spectrometer (WBS)}}{53}
\contentsline {subsection}{\numberline {6.1}How to Plot Light Curves of WBS Data}{53}
\contentsline {subsubsection}{\numberline {6.1.1}Plotting Seven WBS Sub-Instruments on One Page}{53}
\contentsline {subsubsection}{\numberline {6.1.2}Light Curves of SXS and HXS-PC }{54}
\contentsline {subsubsection}{\numberline {6.1.3}Light Curves of SXS-PC}{54}
\contentsline {subsubsection}{\numberline {6.1.4}Light Curve of HXS-PC}{54}
\contentsline {subsubsection}{\numberline {6.1.5}Light Curve of Ratio of HXS-PC2 to HXS-PC1}{55}
\contentsline {subsubsection}{\numberline {6.1.6}Light Curve of HXS-PH}{55}
\contentsline {subsubsection}{\numberline {6.1.7}Light Curve of Ratio of HXS-PHi-j to HXS-PHk-l}{55}
\contentsline {subsubsection}{\numberline {6.1.8}Light Curve of GRS-PCL}{56}
\contentsline {subsubsection}{\numberline {6.1.9}Light Curve of GRS-PCH}{56}
\contentsline {subsubsection}{\numberline {6.1.10}Light Curve of Ratio of GRS-PCi to GRS-PCj }{56}
\contentsline {subsubsection}{\numberline {6.1.11}Light Curve of GRS-PHL and GRS-PHH}{57}
\contentsline {subsubsection}{\numberline {6.1.12}Light Curve of Ratio of GRS-PHLi-j to GRS-PHLk-l}{57}
\contentsline {subsubsection}{\numberline {6.1.13}Light Curve of RBM-SC-PC and RBM-SD}{57}
\contentsline {subsection}{\numberline {6.2}How to Display WBS Spectra}{58}
\contentsline {subsubsection}{\numberline {6.2.1}Displaying the Spectra in Image Form}{58}
\contentsline {subsubsection}{\numberline {6.2.2}HXS Spectral Display (single power law fitting)}{58}
\contentsline {subsubsection}{\numberline {6.2.3}HXS Spectral Display (double power law fitting)}{58}
\contentsline {subsubsection}{\numberline {6.2.4}GRS Spectral Display}{59}
\contentsline {subsection}{\numberline {6.3}How to Fit WBS Spectra}{59}
\contentsline {subsubsection}{\numberline {6.3.1}HXS\_FSP (McTiernan)}{59}
\contentsline {subsubsection}{\numberline {6.3.2}FSP\_PROC (McTiernan)}{60}
\contentsline {subsubsection}{\numberline {6.3.3}SPFD HXS}{61}
\contentsline {subsubsection}{\numberline {6.3.4}SPFD GRS}{63}
\contentsline {subsection}{\numberline {6.4}Useful Routines for WBS}{63}
\contentsline {section}{\numberline {7}{\bf Spacecraft Attitude and Ephemeris}}{64}
\contentsline {subsection}{\numberline {7.1}Routines for Determining Spacecraft Pointing}{64}
\contentsline {subsubsection}{\numberline {7.1.1}RD\_PNT\_HIST}{64}
\contentsline {subsubsection}{\numberline {7.1.2}SXT\_CEN}{64}
\contentsline {subsubsection}{\numberline {7.1.3}GET\_ROLL}{65}
\contentsline {subsubsection}{\numberline {7.1.4}HXA\_SUNCENTER}{66}
\contentsline {subsection}{\numberline {7.2}Routines to Access the Yohkoh Attitude Database}{66}
\contentsline {subsubsection}{\numberline {7.2.1}RD\_PNT}{66}
\contentsline {subsubsection}{\numberline {7.2.2}RD\_ATR and RD\_ATT}{67}
\contentsline {subsubsection}{\numberline {7.2.3}GET\_ATT}{67}
\contentsline {subsubsection}{\numberline {7.2.4}GT\_HXA}{68}
\contentsline {subsubsection}{\numberline {7.2.5}GT\_IRU}{68}
\contentsline {subsection}{\numberline {7.3}Spacecraft Ephemeris}{68}
\contentsline {subsubsection}{\numberline {7.3.1}ORB files}{68}
\contentsline {subsubsection}{\numberline {7.3.2}FEM Files}{68}
\vspace {0.2cm}
\contentsline {section}{\numberline {A}\bf {Tables of Useful Yohkoh Routines}}{69}
\contentsline {subsection}{\numberline {A.1} General Useful Routines}{69}
\contentsline {subsection}{\numberline {A.2} BCS Useful Routines}{73}
\contentsline {subsection}{\numberline {A.3} HXT Useful Routines}{75}
\contentsline {subsection}{\numberline {A.4} SXT Useful Routines}{76}
\contentsline {subsection}{\numberline {A.5} WBS Useful Routines}{80}
\contentsline {section}{\numberline {B}{\bf Format and Naming of Yohkoh Data Files}}{81}
\contentsline {subsection}{\numberline {B.1}Yohkoh Data File Format}{81}
\contentsline {subsection}{\numberline {B.2}Yohkoh Data File Names}{83}
\contentsline {subsubsection}{\numberline {B.2.1}Yohkoh Directory Logicals/Environment Variables}{83}
\contentsline {subsubsection}{\numberline {B.2.2}Yohkoh Prefixes}{83}
\contentsline {subsubsection}{\numberline {B.2.3}Yohkoh File IDs}{83}
\contentsline {subsubsection}{\numberline {B.2.4}Yohkoh Week IDs}{83}
\contentsline {subsubsection}{\numberline {B.2.5}Yohkoh Carrington IDs}{84}
\contentsline {section}{\numberline {C}\bf {Accessing Yohkoh files}}{91}
\contentsline {subsection}{\numberline {C.1}How to Read Yohkoh Archive Tapes (GO\_RDTAP)}{91}
\contentsline {subsection}{\numberline {C.2}How to Read Yohkoh Database Tapes (RD\_YDBTAP)}{91}
\contentsline {subsection}{\numberline {C.3}FTP Access to Yohkoh Archive, etc...}{92}
\contentsline {section}{\numberline {D}{\bf Using the Yohkoh Team Bulletin Board (TBB)}}{93}
\contentsline {subsection}{\numberline {D.1}Overview}{93}
\contentsline {subsection}{\numberline {D.2}Access to the TBB}{93}
\contentsline {subsection}{\numberline {D.3}How to submit a new proposal}{93}
\contentsline {subsection}{\numberline {D.4}How to Update a Proposal}{94}
\contentsline {subsection}{\numberline {D.5}Where to Find TeamBB Files}{94}
\contentsline {section}{\numberline {E}{\bf Old Fortran 77 Analysis Software}}{95}
\contentsline {subsection}{\numberline {E.1}Calibrating and Fitting BCS Spectra (the BSD software)}{95}
\contentsline {subsubsection}{\numberline {E.1.1}Displaying Data from the BSD File}{96}
\contentsline {subsubsection}{\numberline {E.1.2}Displaying Intermediate Results (from BSDCAL)}{96}
\contentsline {subsubsection}{\numberline {E.1.3}Displaying Fitted Spectral Data (from BSDFIT)}{96}
\contentsline {subsubsection}{\numberline {E.1.4}Displaying Processed Parameters (from BSDFIT)}{96}
\contentsline {subsection}{\numberline {E.2}Synthesizing HXT Images (HXTPRO; Sakao)}{97}
\contentsline {section}{\numberline {F}{\bf Web Version of the YAG}}{100}