| 2MASS | Two Micron All Sky Survey |
| 5MUSES | 5 mJy Unbiased Spitzer Extragalactic Survey |
| AAS | American Astronomical Society |
| ACMC | Auriga-California Molecular Cloud Herschel program |
| ADAP | Astrophysics Data Analysis Program |
| ADCAR | Astrophysics Data Curation and Archival Research |
| ADEC | Astronomical Data Centers Executive Council |
| ADS | Astrophysics Data System |
| AGN | active galactic nucleus |
| ALMA | Atacama Large Millimeter Array |
| AOR | Astronomical Observation Request |
| API | Application Programming Interface |
| APRA | Astrophysics Research and Analysis |
| AWS | Amazon Web Services |
| BCD | Spitzer Basic Calibrated Data |
| BJD | Barycentric Julian Date |
| BLAST | Balloon-borne Large-Aperture Submillimeter Telescope |
| Bolocam | millimeter-wavelength bolometer array camera |
| BRAVA | Bulge Radial Velocity Assay |
| C2D | Spitzer "Cores to Disks" legacy program |
| CADC | Canadian Astronomy Data Centre |
| CAOM | Common Archive Observation Model |
| CFHT | Canada France Hawaii Telescope |
| CLASH | Cluster Lensing And Supernova survey with Hubble |
| CLASS | data format used in submillimeter astronomy |
| CMB | Cosmic Microwave Background |
| CO | Carbon Monoxide |
| COBE | Cosmic Background Explorer |
| COOLTNOs | TNOs are Cool! - A Survey of the trans-Neptunian Region |
| COPAG | Cosmic Origins Program Analysis Group |
| CoRoT | Convection, Rotation, and Planetary Transits satellite |
| COSMOS | Cosmic Evolution Survey |
| CPU | Central Processing Unit |
| CSI2264 | The Coordinated Synoptic Investigation of NGC 2264 |
| CSV | Comma Separated Values |
| CUBISM | CUbe Builder for IRS Spectra Maps |
| CUPID | Customizable User Pipeline for IRS Data |
| DBMS | database management system |
| DCE | Data Collection Explorer |
| DENIS | Deep Near-infrared Survey of the Southern Sky |
| DIGIT | Dust, Ice, and Gas in Time Herschel program |
| DIRBE | Diffuse Infrared Background Experiment |
| DOI | Digital Object Identifier |
| DR | Data Release |
| DUNES | Dust Around Nearby Stars |
| DUSTiNGS | Dust in Nearby Galaxies with Spitzer |
| DSS | Digitized Sky Survey |
| ECDFS | Extended Chandra Deep Field South |
| EGS | Extended Groth Strip |
| eHOPS | Extension of HOPS out to 500 Parsecs |
| EIGA | Extended IRAS Galaxy Atlas |
| ELFLock | Eureka LBNL Far-IR Lockman Hole |
| ERCSC | Planck Early Release Compact Source Catalogs |
| ESA | European Space Agency |
| EXES | Echelon-Cross-Echelle Spectrograph |
| FEPS | Spitzer Legacy program, Formation and Evolution of Planetary System |
| FIDEL | Far-Infrared Deep Extragalactic Legacy Survey |
| FIFI-LS | Field Imaging Far-Infrared Line Spectrometer |
| FIR | Far-infrared |
| FITS | Flexible Image Transport System |
| FLITECAM | First Light Infrared TEst CAMera |
| FLS | First Look Survey |
| FORCAST | Faint Object InfraRed CAmera for the SOFIA Telescope |
| FOV | field of view |
| FPI+ | Focal Plane Imager |
| FTS | Fourier Transform Spectrometer |
| FY | Fiscal Year |
| GALCEN | Galactic Center IRAC catalog |
| GALEX | Galaxy Evolution Explorer |
| Gator | nickname for IRSA's catalog search service |
| GB | Gigabyte |
| GeRT | Germanium Reduction Tool |
| GLIMPSE | Galactic Legacy Infrared Midplane Survey Extraordinaire |
| GO | General Observer |
| GOALS | Great Observatories All-Sky LIRG Survey |
| GOODS | Great Observatories Origins Deep Survey |
| GOT_Cplus | Galactic Observations of Terahertz C+ |
| GREAT | German Receiver for Astronomy at Terahertz Frequencies |
| GSFC | Goddard Space Flight Center |
| H | standard 1.6 micron imaging filter |
| H-Atlas | Herschel Astrophysical Terahertz Large Area Survey |
| HAWC+ | High-resolution Airborne Wideband Camera |
| HDF | Hubble Deep Field |
| HDU | Header Data Unit |
| HEALPIX | Hierarchical Equal Area isoLatitude Pixelization |
| HEASARC | NASA's High Energy Astrophysics Science Archive Research Center |
| HELGA | Herschel Exploitation of the Local Galaxy Andromeda |
| HERITAGE | Herschel Inventory of the Agents of Galaxy Evolution |
| HerM33es | Herschel M33 Extended Survey |
| HerMES | Herschel Multi-tiered Extragalactic Survey |
| HERUS | Herschel Ultra Luminous Infrared Galaxy Survey |
| HETDEX | Hobby-Eberly Telescope Dark Energy Experiment |
| HeVICS | Herschel Virgo Cluster Survey |
| HEXOS | Herschel observations of Extra-Ordinary Sources |
| HFI | Planck High Frequency Instrument |
| HGBS | Herschel Gould Belt Survey |
| HHLI | Herschel High Level Images |
| HIFI | Heterodyne Instrument for the Far Infrared |
| HIFISTARS | The physical and chemical properties of circumstellar environments around evolved stars Herschel program |
| Hi-GAL | Herschel Infrared Galactic Plane Survey |
| HIPO | High Speed Imaging Photometer for Occultations |
| HiPS | Hierarchical Progressive Surveys |
| HIRES | IRAS data tool |
| HIRMES | High Resolution Mid-infrarEd Spectrometer |
| HOP | Herschel Oxygen Project |
| HOPS | Herschel Orion Protostar Survey |
| HPDP | Highly Processed Data Products |
| HSA | ESA's Herschel Science Archive |
| HST | Hubble Space Telescope |
| HTM | Hierarchical Triangular Mesh |
| HTML | Hypertext Markup Language |
| HTTP | Hypertext Transfer Protocol |
| HUDF | Hubble Ultra-Deep Field |
| IBE | IRSA Image Server (Image Back End) |
| IDL | Interactive Data Language |
| I/F | Interface |
| IGA | IRAS Galaxy Atlas |
| IMF | Initial Mass Function |
| IPAC | Infrared Processing and Analysis Center |
| IR | Infrared |
| IRAC | Spitzer's InfraRed Array Camera |
| IRAF | Image Reduction and Analysis Facility |
| IRAS | Infrared Astronomical Satellite |
| IRIS | Improved Reprocessing of the IRAS Survey |
| IRS | Spitzer's Infrared Spectrometer |
| IRSA | NASA/IPAC Infrared Science Archive |
| IRTF | Infrared Telescope Facility |
| IRTS | The Infrared Telescope in Space |
| iSHELL | IRTF high resolution spectrograph and imager |
| ISM | Inter-stellar Medium |
| ISO | Infrared Space Observatory |
| ISSA | IRAS Sky Survey Atlas |
| IUDF | IRAC Ultradeep Field |
| IVOA | International Virtual Observatory Alliance |
| J | standard 1.2 micron imaging filter |
| JAXA | Japanese Aerospace Exploration Agency |
| JPL | Jet Propulsion Laboratory |
| JWST | James Webb Space Telescope |
| K | standard 2 micron imaging filter (also Ks) |
| KINGFISH | Key Insights on Nearby Galaxies: A Far-Infrared Survey with Herschel |
| ΛCDM | Lambda Cold Dark Matter |
| LBNL | Lawrence Berkeley National Lab |
| LCOGT | Las Cumbres Observatory Global Telescope |
| LFI | Planck Low Frequency Instrument |
| LGA | 2MASS Large Galaxy Atlas |
| LIRG | luminous infrared galaxy |
| LMC | Large Magellanic Cloud |
| LSST | Large Synoptic Survey Telescope |
| LVL | Spitzer Local Volume Survey |
| M31IRAC | Spitzer IRAC Observations of the Extended Disk and Halo of M31 |
| MAGCLOUDSCPLUS | Characterizing the transition from diffuse atomic to dense molecular clouds in the Magellanic clouds with [CII], [CI], and CO |
| MAST | Mikulski Archive for Space Telescopes |
| MESS | Mass-loss of Evolved StarS Herschel Key Program |
| MIGA | IRAS Mid-Infrared Galaxy Atlas |
| MIPS | Spitzer's Multiband Imaging Photometer for Spitzer |
| MIPSGAL | MIPS mapping of the Galactic Plane |
| MIPS_LG | MIPS Local Galaxies program |
| MIR | Mid-infrared |
| MIR_SFR | Mid-Infrared Star Formation Indicators (Spitzer templates) |
| MJD | Modified Julian Date |
| MOC | Multi-Order Coverage |
| MOPEX | MOsaicker and Point source EXtractor |
| MOST | Moving Object Search Tool |
| MPC | Minor Planet Center |
| MSX | Midcourse Survey Experiment |
| MUSYC | Multiwavelength Survey by Yale-Chile |
| NAIF ID | Navigation and Ancillary Information Facility Identification |
| NASA | National Aeronautics and Space Administration |
| NAVO | NASA Astrophysics Virtual Observatory |
| NED | NASA Extragalactic Database |
| NEO | Near Earth Object |
| NEOWISE | WISE NEO program |
| NEOWISE-R | NEOWISE Reactivation |
| NExScI | NASA Exoplanet Science Institute |
| NHSC | NASA Herschel Science Center |
| NIR | Near-infrared |
| NIRCAM | Near-infrared Camera |
| NITARP | NASA/IPAC Teacher Archive Research Program |
| NOAO | National Optical Astronomy Observatory |
| NRC | National Research Council |
| NSF | National Science Foundation |
| NVO | National Virtual Observatory |
| ODR | Open Data Registry |
| P60 GRB | Palomar 60 inch telescope for Gamma Ray Burst afterglows |
| PACS | Photodetector Array Camera and Spectrometer |
| PAH | Polycyclic Aromatic Hydrocarbons |
| PanSTARRS | Panoramic Survey Telescope & Rapid Response System |
| PB | Petabyte |
| PBCD | Post Basic Calibrated Data |
| PCCS | Planck Catalog of Compact Sources |
| PEP | PACS Evolutionary Probe |
| PHPDP | PACS Highly Processed Data Products |
| PI | Principal Investigator |
| PPDISKS | Herschel SPIRE Spectroscopy of Protoplanetary Disks |
| PPMXL | A Proper Motion Catalog Combining USNO-B and 2MASS |
| PR | Public Release |
| PRISMAS | PRobing InterStellar Molecules with Absorption line Studies |
| PSC | Point Source Catalog |
| PSF | Point Spread Function |
| PTF | Palomar Transient Factory |
| QSO | Quasi-Stellar Object |
| Radar | nickname for IRSA's inventory search service |
| S4G | Spitzer Survey of Stellar Structure in Galaxies |
| S5 | Spitzer SDSS Statistical Spectroscopic Survey |
| SAFIRES | Spitzer Archival FIR Extragalactic Survey |
| SAG-4 | Evolution of Interstellar Dust Herschel Key Program |
| SAGE | Surveying the Agents of a Galaxy's Evolution |
| SASS | Spitzer Atlas of Stellar Spectra |
| SBNAF | Herschel Observations of Small Bodies: Near and Far |
| S-CANDELS | Spitzer Cosmic Assembly Deep Near-Infrared Extragalactic Survey |
| Scanpi | IRAS data analysis tool |
| SCS | Simple Cone Search |
| SCUBA | Submillimetre Common-User Bolometer Array |
| SDSS | Sloan Digitized Sky Survey |
| SDWFS | Spitzer Deep Wide Field Survey |
| SED | Spectral Energy Distribution |
| SEIP | Spitzer Enhanced Imaging Products |
| SEP | Spitzer MIPS 24 and 70 micron Imaging of the South Ecliptic Pole |
| SERVS | Spitzer Extragalactic Representative Volume Survey |
| SHA | Spitzer Heritage Archive |
| SHELA | Spitzer/HETDEX Exploratory Large-Area Survey |
| SHPDP | SPIRE Highly Processed Data Products |
| SIA | Simple Image Access |
| SIA2 | Simple Image Access 2 |
| SIMPLE | Spitzer IRAC/MUSYC Public Legacy Survey in the Extended Chandra Deep Field South |
| SINGS | Spitzer Nearby Galaxy Survey |
| SIRTF | Space Infrared Telescope Facility (Spitzer) |
| SMC | Small Magellanic Cloud |
| SMOG | Spitzer Mapping of the Outer Galaxy |
| SMUVS | Spitzer Matching Survey of the Ultra-VISTA Deep Stripes |
| SNR | Signal-to-Noise Ratio |
| SOFIA | Stratospheric Observatory for Infrared Astronomy |
| SpeX | IRTF medium-resolution spectrograph and imager |
| SPICE | Spitzer IRS Custom Extraction |
| SPICY | Spitzer/IRAC Candidate YSO |
| SpIES | Spitzer IRAC Equatorial Survey |
| SPIRE | Spectral and Photometric Imaging Receiver |
| SPOT | Spitzer Planning Observations Tool (also used by Herschel and SOFIA) |
| SPT | South Pole Telescope |
| SpUDS | Spitzer Public Legacy Survey of the UKIDSS Ultra Deep Survey |
| SQL | Structured Query Language |
| SRELICS | Spitzer Reionization Lensing Cluster Survey |
| SSA | Simple Spectra Access |
| SSC | Spitzer Science Center |
| SST | Spitzer Space Telescope |
| SSDF | SPT-Spitzer Deep Field |
| SSGSS | Spitzer SDSS Galaxy Spectroscopic Survey |
| STScI | Space Telescope Science Institute |
| SWAS | Submillimeter Wave Astronomy Satellite |
| SWIRE | Spitzer Wide-area Infrared Extragalactic survey |
| SZ | Sunyaev-Zel'dovich |
| TAP | Table Access Protocol |
| TB | Terabyte |
| TEXES | IRTF high-resolution mid-infrared spectrograph |
| TOI | Time Ordered Information |
| TSV | Tab Separated Values |
| UCAC | USNO CCD Astrograph Catalog |
| UDS | UKIDSS Ultra-Deep Survey |
| UKIDSS | The UKIRT Infrared Deep Sky Survey |
| UKIRT | the UK Infrared Telescope |
| URAT | USNO Astrometric Robotic Telescope |
| USNO | US Naval Observatory |
| USNO-B | US Naval Observatory B1.0 catalog |
| UV | ultraviolet |
| UWS | Universal Worker Service |
| VAO | Virtual Astronomical Observatory |
| VLA | Very Large Array |
| VLT | Very Large Telescope |
| VNGS | Very Nearby Galaxy Survey |
| VO | Virtual Observatory |
| WCS | World Coordinate System |
| WFC3 | Wide Field Camera 3 |
| WFIRST | Wide Field Infrared Survey Telescope |
| WISE | Wide-field Infrared Survey Explorer |
| WIYN | 3.5m telescope at Kitt Peak |
| WMAP | Wilkinson Microwave Anisotropy Probe |
| XMM | ESA's XMM-Newton, the X-ray Multi-Mirror Mission |
| XML | Extensible Markup Language |
| XSC | Extended Source Catalog |
| YSO | Young Stellar Object |
| YSOVAR | Young Stellar Object Variability |
| z0MGS | z=0 Multiwavelength Galaxy Synthesis |
| ZTF | Zwicky Transient Factory |