Contents

• Contents
• 1 INTRODUCTION
  • 1.1 IUE File Naming Conventions
    • 1.1.1 IUESIPS File Names
    • 1.1.2 NEWSIPS File Names
  • 1.2 Using IDL Routines
  • 1.3 Experimental Software
  • 1.4 Executing System Commands from Within IDL
    • 1.4.1 Obtaining a Directory Listing
    • 1.4.2 When You Can't Spawn
  • 1.5 Accessing Other Directories
  • 1.6 Obtaining Help
    • 1.6.1 The IDL HELP Command
    • 1.6.2 The DOC_LIBRARY Command
    • 1.6.3 The PROLOG Command
• 2 REQUESTING DATA
  • 2.1 The IUE Merged Observing Log
  • 2.2 Accessing the IUE Archive
  • 2.3 Transferring Data Files to Different Machines
  • 2.4 Special Note About VMS Record Attributes
• 3 WORKING WITH VARIOUS FILE FORMATS
  • 3.1 RDAF-format Files
    • 3.1.1 Converting GO Format to RDAF Format
    • 3.1.2 Converting RDAF Format to GO Format
    • 3.1.3 Converting RDAF Format Files to FITS Format
  • 3.2 FITS Files
    • 3.2.1 Reading General FITS Files
    • 3.2.2 Writing General FITS Files
    • 3.2.3 Converting IUE FITS Files to other File formats
  • 3.3 ASCII Tables
  • 3.4 IUE Label Files
  • 3.5 SAV Files
    • 3.5.1 Creating and Reading SAV Files
    • 3.5.2 Converting SAV Files to Other Formats
• 4 BEGINNING ANALYSIS OF NEWSIPS EXTRACTED DATA
  • 4.1 MXLO Files
  • 4.2 MXHI Files
• 5 BEGINNING ANALYSIS OF IUESIPS EXTRACTED DATA
  • 5.1 Reading Low Dispersion Data
  • 5.2 Reading High Dispersion Data
  • 5.3 Image Processing Configurations
  • 5.4 Corrections for IUESIPS Data
    • 5.4.1 Wavelength Correction Due To Faulty Dispersion Constants
    • 5.4.2 Sensitivity Degradation Corrections
    • 5.4.3 Heliocentric Velocity Correction
    • 5.4.4 Other Corrections
  • 5.5 Alternate Calibrations
• 6 PLOTTING YOUR SPECTRA
  • 6.1 Plotting Data with Sigmas and Quality Flags
  • 6.2 System Variables and Keywords
  • 6.3 Plotting a Selected Data Range
  • 6.4 Changing Plot Symbols and Line Types
  • 6.5 Axes, Titles, and Annotation
  • 6.6 Plot Sizes and Positions
  • 6.7 Publication Quality Plots
• 7 FINDING AND REMOVING QUESTIONABLE DATA
  • 7.1 Locating Missing or Questionable Quality Data Points
  • 7.2 Contamination of Spectral Data
    • 7.2.1 IUESIPS Quality Flags
    • 7.2.2 NEWSIPS Quality Flags
    • 7.2.3 Unflagged Contamination Sources
  • 7.3 Removing Blemishes
• 8 REDUCING SPATIALLY-RESOLVED DATA
  • 8.1 Reading Line-By-Line Files
  • 8.2 Plotting Line-by-Line Spectra
  • 8.3 Old Line-By-Line Files
  • 8.4 Removing and Flagging Blemishes from LBL Data
  • 8.5 Low Dispersion Extraction Techniques
    • 8.5.1 Output Files
    • 8.5.2 Rectangular Extractions
    • 8.5.3 Gaussian Extractions
    • 8.5.4 Multiple Gaussian Extractions
  • 8.6 High Dispersion Extraction Techniques
• 9 READING AND DISPLAYING IMAGE FILES
• 10 MORE WAYS TO MASSAGE YOUR DATA
  • 10.1 Merging Two Spectra
  • 10.2 Resampling Spectra
  • 10.3 Cross-Correlating Two Spectra
  • 10.4 Coadding Spectra
  • 10.5 Extinction Correction
  • 10.6 Continuum Normalization
  • 10.7 More Fitting Routines
  • 10.8 Smoothing and Filtering
  • 10.9 Identifying Spectral Lines
  • 10.10 Line Measurements
  • 10.11 Measuring Continuum Fluxes
• 11 COMPARISON SPECTRA
  • 11.1 Kurucz Models
    • 11.1.1 ``New'' Kurucz Models
    • 11.1.2 ``Old'' Kurucz Models
  • 11.2 Standard Star Spectra
• 12 AUXILARY CATALOGS
  • 12.1 The IUE Reference Databases
  • 12.2 Observing Program Database
• A ALPHABETICAL INDEX OF PROCEDURES