Catalog Search
Basic
- BabyGator provides easy access to IRSA's most popular catalogs.
General
- Gator supports general queries of all source catalogs curated at IRSA.
Image Services
Finder Charts
- FinderChart 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.
2MASS Images
- The 2MASS Image Services support access to the 2MASS Atlas (Full Resolution) and Quicklook images.
2MASS Ext. Srcs.
- The 2MASS Extended Source Image Server returns composite "postage stamp" images of extended sources, and basic extended source catalog information.
Mosaics
- On-request mosaics of 2MASS, SDSS, and DSS.
Cutouts
- Returns small "cutouts" of a user-specified size of image data sets archived at IRSA. Returns FITS and JPEG formats.
Inventories
IRSA Holdings
- 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.
NVO Sky Coverage
- The NVO Sky Statistics Service generates source counts, coverage maps, and links to downloadable data for catalog holdings at IRSA, NED and VizieR.
Tools
OASIS Visualizer
- OASIS supports visualization of and interaction with data from astronomical archives, including IRSA, NED, CDS, STScI, LLNL, NRAO, AAVSO, HEASARC, and JPL.
Montage
- Montage is a toolkit for assembling FITS images into custom mosaics.
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.
Object Lookup
- Coordinate and Object Lookup uses NED and SIMBAD to retrieve coordinates for astronomical objects by name, and supports coordinate transformations.
QA Tools
- Quality Assurance Tools for IRSA data providers.
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.
Data Tags
- Returns data encoded in a published Data Tag, which link science publications with archives.
Data Sets
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
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
IRAS
- Infrared Astronomical Satellite
- Overview & Documentation
- Scan Processing and Integration (Scanpi)
- Catalogs (using Gator)
- 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
IRTS
- Infrared Telescope in Space
- Overview & Documentation
- Catalog, Images, and Spectra
ISO
- Infrared Space Observatory
- Overview & Documentation
- Visualization Service
- Spectra from the Short Wavelength Spectrometer (SWS)
MSX
- Midcourse Space Experiment
- Overview & Documentation
- Image Service with Catalog Overlays
- Spatial Search and Image Inventory
- General Catalog Queries
NED Images
- NASA/IPAC Extragalactic Database
- Spatial Search of NED Images
SDSS Images
- Sloan Digital Sky Survey (SDSS)
- Overview & Documentation
- FinderChart
- Image Mosaics
Spitzer
- Spitzer Space Telescope
- Overview & Documentation
- Spitzer Post-BCD Products
- General Catalog Queries
- Basic Catalog Queries
- Image Cutouts
- Legacy Programs: Galactic Data Sets
  - Spitzer Legacy Programs: Galactic Data Sets
  - C2D
  - FEPS
  - GLIMPSE
  - MIPSGAL
  - MIPSGAL Team Access (password protected)
  - SASS
  - Taurus
- Legacy Programs: Extragalactic Data Sets
  - Spitzer Legacy Programs: Extragalactic Data Sets
  - FIDEL
  - GOALS
  - GOODS
  - LVL
  - SAGE
  - SDWFS
  - SINGS
  - SWIRE
  - S-COSMOS
- First Look Survey (FLS)
  - Spitzer First Look Survey (FLS)
  - VLA Ancillary Data
  - IRAC/MIPS Image Cutouts
  - NOAO Extragalactic R-band
  - NOAO ELAIS-N1 R-band
  - Ancillary MMT/Hectospec Spectra
- Contributed Data Sets
  - Contributed Data Sets
  - ELFLock Map
  - Lockman Hole 2MASS 6x Ancillary Data
SWAS
- Submillimeter Wave Astronomy Satellite
- Overview & Documentation
- Spectrum Server
USNO-B
- USNO-B
- Overview & Documentation
- USNO-B1 Catalog
DENIS
- DENIS
- Overview & Documentation
- DENIS Catalog - 3rd Release
NExScI
- NASA Exoplanet Science Institute
- Overview & Documentation
- Spatial Searches and Inventories of PTI & KI Metadata
BOLOCAM
- BOLOCAM
- Overview & Documentation
- Galactic Plane Survey Catalog
- Galactic Plane Survey Images
- Lockman Hole Images
BLAST
- BLAST
- Overview & Documentation
- BLAST Images

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	WWW IRSA

Catalog Search

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All Data Types (including small catalogs)

Advanced Catalog Search (selected catalogs)

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Improved Reprocessing of the IRAS Survey

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