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IRSA Help Desk
Documentation
FAQ
Catalogs
Search
- General Catalog Search supports general queries of all source catalogs curated at IRSA.
Data Services
Inventories
- Inventory Services
- Data Discovery
  - RADAR is an inventory and data exploration service that generates an inventory of IRSA's science data products and supports one-click retrieval of data.
- VAO Sky Coverage
  - The VAO Sky Statistics Service generates source counts, coverage maps, and links to downloadable data for catalog holdings at IRSA, NED and VizieR.
Finder Chart
- Finder Chart is a visualization tool to cross-compare 2MASS, DSS and SDSS image data sets. It displays a finder chart showing the same region of the sky at various wavelengths and epochs, and supports user interaction with the images.
Finder Chart v2 beta
- Finder Chart v2 beta is a visualization tool to cross-compare 2MASS, DSS, SDSS, WISE, and IRAS image data sets. It displays a finder chart showing the same region of the sky at various wavelengths and epochs, and supports user interaction with the images.
Cutouts
- Returns small "cutouts" of a user-specified size of image data sets archived at IRSA. Returns FITS and JPEG formats.
Mission Services
- Mission-specific Data Services
- WISE Image Service
  - Access the WISE All-Sky Release image data.
- Spitzer Heritage Archive
  - Access the Spitzer Heritage Archive.
- NASA Planck Archive
  - Visualization and enhanced access to the Planck Early Release Compact Source Catalog.
- 2MASS Images
  - The 2MASS Image Services support access to the 2MASS Atlas (Full Resolution) and Quicklook images.
- 2MASS Extended Sources
  - The 2MASS Extended Source Image Server returns composite "postage stamp" images of extended sources, and basic extended source catalog information.
- IRAS: ISSA Images and Catalog Overlays
- IRAS: IGA Images and Catalog Overlays
- MSX Image Service with Catalog Overlays
- SWAS Spectrum Server
Tools
Dust Extinction
- The Dust Extinction Service uses the maps of Schlegel et al. to return the 100 µm intensity integrated along a line of sight through the Galaxy, and corresponding estimates of the Galactic dust extinction and dust temperatures. The service also returns maps of the reddening and elementary region statistics.
Mosaic Services
- Mosaic Services
- Generate Mosaics
  - On-request mosaics of 2MASS, SDSS, and DSS.
- Montage Software
  - Montage is a toolkit for assembling FITS images into custom mosaics.
Data Tools
- Data Tools
- IDL Tools
  - IDL Tools for users working with catalogs and tables.
- Image Validation
  - The Image Validation service checks the syntax of a FITS file and that its WCS keywords are complete. 2MASS sources are overlayed on the image as a simple astrometric check.
- QA Tools
  - Quality Assurance Tools for IRSA data providers.
- Object Lookup
  - Coordinate and Object Lookup uses NED and SIMBAD to retrieve coordinates for astronomical objects by name, and supports coordinate transformations.
Data Tags
- Returns data encoded in a published Data Tag, which link science publications with archives.
Data Sets
WISE
- WISE
- Overview
- WISE Image Archive
- WISE Release Coverage
- All-Sky Release
- All-Sky Release Catalog Search
- All-Sky Release Intro
- All-Sky Release Explanatory Supplement
- 3-Band Cryo Release
- 3-Band Cryo Release Catalog Search
- 3-Band Cryo Release Documentation
- NEOWISE Post-Cryo Release
- NEOWISE Post-Cryo Release Catalog Search
- NEOWISE Post-Cryo Release Documentation
- Preliminary Release
- Preliminary Release Catalog Search
- Preliminary Release Intro
- Preliminary Release Explanatory Supplement
Planck
- Planck
- Overview & Documentation
- Catalog Visualization
- IRSA Catalog Search
- Data Release 1
- All Sky Maps
- Ancillary Data
- External Datasets
- Software and Analysis Products
- Planck Data Release 1 Explanatory Supplement
- Early Release Catalogs
- Download Planck ERCSC
- Planck ERCSC Explanatory Supplement
Spitzer
- Spitzer Space Telescope
- Overview
- Documentation
- Spitzer Heritage Archive
- General Catalog Queries
- Enhanced Imaging Products
- Legacy/ES Programs: Galactic Data Sets
  - Spitzer Legacy/ES Programs: Galactic Data Sets
  - C2D
  - Cygnus-X
  - FEPS
  - GLIMPSE
  - MIPSGAL
  - MIPSGAL Team Access (password protected)
  - SASS
  - Taurus
- Legacy/ES Programs: Extragalactic Data Sets
  - Spitzer Legacy/ES Programs: Extragalactic Data Sets
  - 5MUSES
  - FIDEL
  - GOALS
  - GOODS
  - LVL
  - S4G
  - S5
  - SAGE
  - SAGE-SMC
  - SAGE-Spec
  - SDWFS
  - SEP
  - SIMPLE
  - SINGS
  - SpUDS
  - SSGSS
  - SWIRE
  - S-COSMOS
- First Look Survey (FLS)
- Frontier Fields
- Contributed Data Sets
  - Contributed Data Sets
  - Abell1763
  - MIPS Local Galaxies
  - ELFLock Map
  - Lockman Hole 2MASS 6x Ancillary Data
- Image Cutouts
2MASS
- The Two Micron All Sky Survey
- Overview & Documentation
- Catalogs (all releases, using Gator)
- All-Sky Data Release
- Extended Mission Release
  - All-Sky Data
  - Catalogs
  - Full Survey (multi-epoch) Images
  - Long Exposure (6x) w/LMC/SMC Scans
  - Catalogs
  - Catalog & Full (multi-epoch) Images
  - Calibration Scans
  - Catalogs
  - Individual (multi-epoch) Images
  - Combined Calibration Scans
  - Combined Cal Field Source Table
  - Combined Cal Scan Images
- 1^st & 2^nd Incremental, Sampler Data Releases
  - Second Incremental Data Release (IDR2)
  - Point Source Catalog (PSC)
  - Extended Source Catalog (XSC)
  - Scan Info Catalog
  - First Incremental Data Release (IDR1)
  - Point Source Catalog (PSC)
  - Extended Source Catalog (XSC)
  - Scan Info Catalog
  - Sampler Data Release
  - Point Source Catalog (PSC)
  - Extended Source Catalog (XSC)
- 6x Lockman Hole Images/Catalog
- Mosaics of the MAST Scrapbook Sources
IRAS
- Infrared Astronomical Satellite
- Overview & Documentation
- Scan Processing and Integration (Scanpi)
- Catalog Search
- Images
  - IRAS Sky Survey Atlas
  - ISSA Images and Catalog Overlays
  - ISSA Spatial Search and Image Inventory
  - ISSA Cutouts
  - Improved Reprocessing of the IRAS Survey
  - IRIS Spatial Search and Image Inventory
  - IRIS Cutouts
  - IRAS Galaxy Atlas
  - IGA Images and Catalog Overlays
  - IGA Spatial Search and Image Inventory
  - IGA Cutouts
  - Extended IRAS Galaxy Atlas
  - EIGA Spatial Search and Image Inventory
  - EIGA Cutouts
  - Mid-Infrared Galaxy Atlas
  - MIGA Spatial Search and Image Inventory
  - MIGA Cutouts
- Download the Faint Source Catalog v2.0 (FSC) Download the Point Source Catalog v2.1 (PSC)
Herschel
- Herschel
- Herschel Metadata Search
COSMOS
- Cosmic Evolution Survey
- Overview & Documentation
- Public Data
  - All Data Types (including small catalogs)
  - Spatial Search
  - Images Directory Listing
  - Small Catalogs Directory Listing
  - Advanced Catalog Search (selected catalogs)
  - COSMOS Photometry Catalog June 2007
  - COSMOS ACS I-band Photometry Catalog Sep 2007
  - S-COSMOS IRAC 4-channel Photometry Catalog June 2007
  - S-COSMOS MIPS 24um MAIN Photometry Catalog June 2007
  - S-COSMOS MIPS 24um DEEP Photometry Catalog June 2007
  - S-COSMOS MIPS 70um Photometry Catalog June 2007
  - S-COSMOS MIPS 160um Photometry Catalog June 2007
  - Images
  - Cutouts Service
  - Images Directory Listing
- Internal (restricted)
  - All Data Types (including small catalogs)
  - Spatial Search
  - Images Directory Listing
  - Small Catalogs Directory Listing
  - Spectra Directory Listing
  - Advanced Catalog Search (selected catalogs)
  - COSMOS Internal Catalogs
  - Images
  - Cutouts Service
  - Images Directory Listing
  - Spectra
  - Spectra Directory Listing
PTF
- PTF
- Overview & Documentation
- PTF Photometric Calibrator Catalog
BLAST
- BLAST
- Overview & Documentation
- BLAST Images
MSX
- Midcourse Space Experiment
- Overview & Documentation
- Image Service with Catalog Overlays
- Spatial Search and Image Inventory
- General Catalog Queries
SWAS
- Submillimeter Wave Astronomy Satellite
- Overview & Documentation
- Spectrum Server
ISO
- Infrared Space Observatory
- Overview & Documentation
- Visualization Service
- Spectra from the Short Wavelength Spectrometer (SWS)
IRTS
- Infrared Telescope in Space
- Overview & Documentation
- Catalog, Images, and Spectra
BOLOCAM
- BOLOCAM
- Overview & Documentation
- Galactic Plane Survey Catalog
- Galactic Plane Survey Images
- Lockman Hole Images
SDSS Images
- Sloan Digital Sky Survey (SDSS)
- Overview & Documentation
- Finder Chart
- Image Mosaics
DSS Images
DENIS
- DENIS
- Overview & Documentation
- DENIS Catalog - 3rd Release
AKARI
- AKARI
- Overview & Documentation
- AKARI/FIS Bright Source Catalog
- AKARI/IRC Bright Source Catalog
USNO
- USNO
- Overview & Documentation
- USNO-B1 Catalog
- UCAC4 Catalog
- UCAC3 Catalog
Contributed Data
- Contributed Data
- BRAVA
- MUSYC
- Abell1763
- MIPS Local Galaxies

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Help

Catalogs

Data Services

Inventory Services

Mission-specific Data Services

Tools

Mosaic Services

Data Tools

Data Sets

WISE

All-Sky Release

3-Band Cryo Release

NEOWISE Post-Cryo Release

Preliminary Release

Planck

Data Release 1

Early Release Catalogs

Spitzer Space Telescope

Spitzer Legacy/ES Programs: Galactic Data Sets

Spitzer Legacy/ES Programs: Extragalactic Data Sets

Contributed Data Sets

The Two Micron All Sky Survey

Catalogs

Images

Other

All-Sky Data

Catalogs

Long Exposure (6x) w/LMC/SMC Scans

Catalogs

Calibration Scans

Catalogs

Combined Calibration Scans

Second Incremental Data Release (IDR2)

First Incremental Data Release (IDR1)

Sampler Data Release

Infrared Astronomical Satellite

Catalog search (using Gator)

IRAS Sky Survey Atlas

Improved Reprocessing of the IRAS Survey

IRAS Galaxy Atlas

Extended IRAS Galaxy Atlas

Mid-Infrared Galaxy Atlas

Herschel

Cosmic Evolution Survey

All Data Types (including small catalogs)

Advanced Catalog Search (selected catalogs)

Images

All Data Types (including small catalogs)

Advanced Catalog Search (selected catalogs)

Images

Spectra

PTF

BLAST

Midcourse Space Experiment

Submillimeter Wave Astronomy Satellite

Infrared Space Observatory

Infrared Telescope in Space

BOLOCAM

Sloan Digital Sky Survey (SDSS)

DENIS

AKARI

USNO

Contributed Data

Contact Montage User Support