National Space Science Data Center (NSSDC)

IRSA data products are available on permanent media from the National Space Science Data Center (NSSDC).

List of Released Data Products

The following list is in approximate chronological order by original release date. Only the most recent version in a given medium is indicated.

1. IRAS Explanatory Supplement 1988
   • IRAS Catalogs and Atlases, Volume 1, Explanatory Supplement
   • Government Printing Office (GPO) Book (V2.0, November 1988)
   • Provides detailed description of hardware, data processing and early released products
   
   
2. Point Source Catalog (PSC2)
   • GPO Book (V2.0, November 1988)
   • Tape (V2.1 July 25, 1989)
   • CDROM (NSSDC Collected Catalogs)
   • 245,889 point sources
   • Related products include:
   • Ancillary File (V 3.0, November 1986) (tape)
   • Working Survey Database(WSDB) (V 4.0, November 1986)
     -Tape
     -More information, including individual hours-confirmed fluxes
   
   
3. Low Resolution Spectrometer Catalog (LRS Catalog)
   • Tape (V1.0 November 23, 1984)
   • Hard Copy, Astr. Ap. Suppl. 65:607 September 1986
   • Spectra of 5,425 PSC sources from 8-22 µm
   
   
4. High Source Density Bins
   • Tape (V1.0, November 16, 1984)
   • Bins processed by high source density processor for the PSC.
   
   
5. Zodiacal Observation History File (ZOHF)
   • Half-degree version, tape (V3.1, May 1990)
   • Time-ordered ascii data file at 0.5 degree by 0.5 degree resolution
   • 2 arcminute version, tape (V1.0, May 1990)
   • 2 '(in-scan) by 0.5 degree (cross-scan)
   
   
6. All Sky Maps
   • Negatives, Tape (V1.0, November 26, 1984)
   • All sky images at 0.5 degree by 0.5 degree resolution
   
   
7. Sky Brightness Images (Skyflux).

   Note that Skyflux has been superceded by the IRAS Sky Survey Atlas (ISSA). See item 17

   • Overlays, B/W Negatives (V1.0, November 1984)
   • Coordinate overlays for images
   • Images, 16.7 degree by 16.7 degree fields with 2 arcmin pixels.
   • Separate images for each of the three independent Hours Confirmed sky coverages (HCONs)
   • B/W and Color negatives, tapes
     
   ** The version numbers given are for the tapes only **
   • HCON 1, (V1.0, August 1985), 212 fields
   • HCON 2, (V1.0, June 1986), 212 fields
   • HCON 3, (V2.0, May 1986), 188 fields
   • Best of HCON 1-3, color negatives only, (V1.0, May 1988)
   
   
8. Galactic Plane (Skyflux) Images
   • 24 20 degree by 15 degree fields with 2 arcminute pixels
   • Tapes, B/W negatives
   • ** The version numbers given are for the tapes only **
   • HCON 1, (V1.0, October 10 1985)
   • HCON 2, (V1.0, July 16, 1986)
   • HCON 3, (V2.0, July 16, 1986)
   
   
9. Cataloged Galaxies and Quasars Observed in the IRAS Survey
   • Tape (V2.1, June 5, 1989)
   • Book (V2.0, May 1989)
   • CDROM (NSSDC Collected Catalogs)
   • 11,444 point sources associated with catalogued galaxies and quasars.
   
   
10. Additional Observations (AOs)
    • Tapes, contour plots, source extractions (V1.0, October 25, 1985)
    • 13,853 images, each approximately 1 square degree
    • AO User's Guide
    • book (V1.0, Nov 29, 1985)
    • Description of AO program, data reduction, released grids
    
    
11. Small Scale Structure Catalog (SSS)
    • Tape, microfiche, (V1.0, December 1985)
    • GPO book (V1.0, November 1988)
    • CDROM (NSSDC Collected Catalogs)
    • 16,740 sources with sizes larger than point sources and less than 8 arcminutes
    • SSS Catalog Explanatory Supplement
    • GPO book (V1.0, November 1988)
    
    
12. Chopped Photometric Channel (CPC)
    • Tape (V1.0, January 1986), 3 tapes, 1508 images
    • CPC Explanatory Supplement
    • book (V1.0, August 1985)
    • Detailed description of CPC hardware, data, processing and products
    
    
13. IRAS Asteroid and Comet Survey
    • IRAS and derived data on 1811 known asteroids and 25 comets
    • Tape (V1.0, October 1986)
    • IRAS Asteroid and Comet Survey Explanatory Supplement
    • book (V1.0, October 1986)
    • Description of Catalog and Summary information
    
    
14. Serendipitous Survey Catalog (SSC)
    • Tape, microfiche, (V1.0, December 1986)
    • CDROM (NSSDC Collected Catalogs)
    • 43,866 point sources derived from the AOs.
    • Effective sky coverage of 3%
    • SSC Explanatory Supplement
    • book (V1.0, December 1986)
    
    
15. Catalog of IRAS Observations of Galaxies
    • Tape (V1.0, March 1988)
    • hardcopy, Ap. J. Suppl., 68:91 (Oct 1988)
    • Contour maps, brightness profiles and total fluxes of 85 Reference Catalog galaxies with blue diameters 8 arcminutes or greater
    
    
16. Faint Source Survey
    1. Faint Source Survey (FSS) Plates
    • Tape, V1.0
    • December 1988 [|b| > 50]
    • September 1990 [|b|<50]
    • all tape headers, December 1988
    • 1716, 6.6 deg by 6.6 deg fields
    • pixel sizes:
    • 0.25' by 0.25' at 12 µm and 25 µm
    • 0.50' by 0.50' at 60 µm and 100 µm
    • Separate plates give point source filtered, coadded flux, one sigma error, and coverage for each field.
    2. Faint Source Survey Catalog (FSC2)
    • Tape (V2.0, September 1990)
    • CDROM (NSSDC Collected Catalogs)
    • 173,044 point sources for unconfused sky (approximately |b|>10 degrees)
    3. Faint Source Survey Reject File (FSCR)
    • Tape (V1.0 June 1992)
    • 593,516 point source extractions rejected for inclusion in FSC2
    4. Faint Source Survey Explanatory Supplement
    • book (V2.0, July 1992)
    
    
17. IRAS Sky Survey Atlas (ISSA)
    • ISSA Explanatory Supplement
    • Tape V1.0:
    • November 1991 [|ecliptic latitude|>50 deg.]
    • October 1992 [20<|ecliptic latitude|<50]
    • February 1993 [|ecliptic latitude|<20])
    • CDROM V1.0, December 1991, [|ecliptic latitude|>50 only--162 fields]
    • 12.5 degree by 12.5 degree fields on 10 degree centers
    • 1.5 arcminute pixels
    • Locally and globally de-striped
    • zodiacal emission model subtracted
    • All bands smoothed to 100 µm resolution
    • Includes both individual HCON and coadded fields
    
    
18. IRAS Nearby Galaxy High Resolution Atlas
    • See W. Rice, AJ 105:69 (January 1993)
    • Hardcopy and tape
    • 30 large optical galaxies at about 1 arcminute resolution.