The FUSE Archival Data Handbook - MAST - STScI

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8 Retrieving and Analyzing FUSE Data 104 8.1 Retrieving FUSE Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 8.2 Analyzing FUSE data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 8.2.1 IDL Analysis Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 8.2.2 C Analysis Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 8.3 FUSE Data Quality Check-List . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 8.4 Additional Analysis Aids and Atlases . . . . . . . . . . . . . . . . . . . . . . . . 108 8.4.1 Atomic and Molecular Line Data . . . . . . . . . . . . . . . . . . . . . . 108 8.4.2 FUSE Interstellar Absorption Spectra . . . . . . . . . . . . . . . . . . . . 108 8.4.3 Atlases of FUSE Stellar Spectra . . . . . . . . . . . . . . . . . . . . . . . 109 8.4.4 FUSE Airglow Spectra . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 8.4.5 IUE Object Classes and Class #99 Observations . . . . . . . . . . . . . . 109 9 Special Cases and Frequently Asked Questions 111 9.1 Special Cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 9.1.1 Extended Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 9.1.2 Time Variable Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 9.1.3 Earth Limb Observations . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 9.1.4 Background Limited Observations . . . . . . . . . . . . . . . . . . . . . . 112 9.1.5 Moving Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 9.2 Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Bibliography 115 Appendices 117 A Glossary 118 B Intermediate Data File Header Descriptions 120 C Trailer File Warning Messages 123 D Format of Housekeeping Files 126 E Format of Engineering Snapshots 129 F FUSE Residual Wavelength Errors 132 iv
List of Tables 1.1 FUSE Data Information According to Expertise Level . . . . . . . . . . . . . . 2 2.1 Apertures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Wavelength Ranges for Detector Segments (in ˚A) . . . . . . . . . . . . . . . . . 7 2.3 Significant Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.1 FUSE Data File Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4.2 Science Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.3 Instrument Programs Possibly Useful for Science . . . . . . . . . . . . . . . . . . 21 4.4 Instrument Programs NOT Appropriate for Science . . . . . . . . . . . . . . . . 21 4.5 Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.6 Format of Raw Time-Tag Files . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.7 Format of Raw Histogram Files . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.8 Format of Extracted Spectral Files . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.9 Format of Intermediate Data Files . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.10 IDF Channel Array Aperture Codes . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.11 Bit Codes for IDF Time Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.12 Bit Codes for Location Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.13 Trailer File Verbosity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 4.14 Format of observation-level ALL and ANO Spectral Files . . . . . . . . . . . . . 36 4.15 Format of NVO Spectral Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 5.1 Formats of Raw and Calibrated FES Image Files . . . . . . . . . . . . . . . . . 43 5.2 Aperture Centers (1 × 1 binning) . . . . . . . . . . . . . . . . . . . . . . . . . . 44 5.3 Format of Jitter Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 5.4 Housekeeping Nominal Sample Periods . . . . . . . . . . . . . . . . . . . . . . . 47 5.5 Format of the Association Table. . . . . . . . . . . . . . . . . . . . . . . . . . . 48 5.6 Dates for MPS Parameter Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 7.1 Prominent Airglow lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 7.2 Ratio of Grating-Scattered Light to Continuum Flux . . . . . . . . . . . . . . . 76 7.3 Ratio of Grating-Scattered Light to Fλ(1150) . . . . . . . . . . . . . . . . . . . . 77 7.4 Dates of High Voltage Setting Changes . . . . . . . . . . . . . . . . . . . . . . . 82 7.5 FUSE Calibration Star Parameters. . . . . . . . . . . . . . . . . . . . . . . . . 87 7.6 Observations affected by the QE grid voltage tests. . . . . . . . . . . . . . . . . 103 8.1 Published Atlases of FUSE Spectra . . . . . . . . . . . . . . . . . . . . . . . . . 109 v
Page 1 and 2: The FUSE Archival Data Handbook Jun
Page 3: 5 Ancillary Files 42 5.1 FES Image
Page 7 and 8: List of Figures 2.1 Optical layout
Page 9 and 10: Chapter 1 Introduction The Far Ultr
Page 11 and 12: Chapter 2 The Instrument 2.1 Introd
Page 13 and 14: Y Coordinate (arcsec) -150 -100 -50
Page 15 and 16: 2.2.3 Detectors Table 2.2: Waveleng
Page 17 and 18: apertures simultaneously for best r
Page 19 and 20: sent to the spacecraft Attitude Con
Page 21 and 22: NOTES to table: (1) Data taken prio
Page 23 and 24: 3.3 Overview of CalFUSE The CalFUSE
Page 25 and 26: Figure 4.1: A geometrically correct
Page 27 and 28: 19 Table 4.1: FUSE Data File Types
Page 29 and 30: Table 4.2: Science Programs Code Ca
Page 31 and 32: also be placed at the reference poi
Page 33 and 34: 4.2.1.2 Extracted Spectral Files (*
Page 35 and 36: Table 4.9: Format of Intermediate D
Page 37 and 38: Table 4.10: IDF Channel Array Apert
Page 39 and 40: *ext.gif: These files show a calibr
Page 41 and 42: 4.2.1.5 Trailer Files (*.trl) The t
Page 43 and 44: Note that verbose level N includes
Page 45 and 46: 4.2.2.2 Preview Files (*00000*.gif,
Page 47 and 48: Figure 4.8: Example of a combined,
Page 49 and 50: Table 4.15: Format of NVO Spectral
Page 51 and 52: images have observation IDs and exp
Page 53 and 54: Earth’s magnetic field, which was
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engineering data used by CalFUSE to
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5.5 Mission Planning Schedule (MPS)
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1 - FUV (Far UltraViolet) Peak-up 2
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the positions of the apertures. The
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The example in Fig. 5.7 shows the s
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7-Nov-2008 14:42 Seconds since Thur
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Chapter 6 FITS File Headers 6.1 Sci
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SUMMARY EXPOSURE INFORMATION DATEOB
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DET2HVBL= 101 / Det2 MCP B HV bias
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CHID_CAL= ’chid1b014.fit ’ / Wi
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BKG_MAX3= 0 / [pixels] bkgd sample
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ASSOCIATION KEYWORDS ASN_ID = ’A1
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NOGDEINF is the fraction of EXP DUR
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Figure 7.1: The difference in the d
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7.2 Additional Contributions to the
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Table 7.3: Ratio of Grating-Scatter
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7.3.2 Grid Wires and the Worm Two g
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7.3.4 Gain Sag and Detector Walk Th
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Figure 7.7: The effect of gain sag
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7.4 Instrumental Effects 7.4.1 Spec
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Table 7.5: FUSE Calibration Star Pa
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Figure 7.11: Same as Figure 7.10 ab
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Figure 7.13: A zoomed-view of the s
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Figure 7.16: A zoomed view of a sma
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Because the worm in LiF1B LWRS is b
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Figure 7.21: Same as Fig. 7.19 abov
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Figure 7.24: Same as Figure 7.10 ab
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Figure 7.26: Residual wavelength er
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(for possible solutions see Dixon e
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8.2.1 IDL Analysis Packages Conside
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[H2ools] is a package of IDL routin
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of synthetic interstellar spectra.
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Chapter 9 Special Cases and Frequen
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TTAG exposures of moderately-bright
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Bibliography Abgrall, H., Roueff, E
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Shchigolev, B.M. 1965, Mathematical
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Name Definition SiC1A The A segment
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The photon events with pulse height
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Appendix C Trailer File Warning Mes
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LIF CNT RATE out of bounds. Setting
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Table D.1: Formats of Housekeeping
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Appendix E Format of Engineering Sn
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Table E.3: Table E.1 (continued) a
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Figure F.1: Residual wavelength err
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Page 145 and 146:
Page 147 and 148:
Page 149 and 150:
Page 151:
Figure F.11: Residual wavelength er
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The FUSE Archival Data Handbook - MAST - STScI

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