astronomy
951 abbreviations
| Abbreviation | Meaning | |
|---|---|---|
| BEL | (celestial object) broad emission line clouds in Active galactic nucleus[1] | |
| BEN | (catalog) Jack Bennett catalog, a catalog of deep-sky objects for amateur astronomers | |
| BF | (astrophysics terminology) Broadening Function | |
| BH | (celestial object) Black Hole | |
| BHB | (celestial object) Blue Horizontal Branch, a type of luminous star | |
| BHC | (celestial object) Black Hole Candidate | |
| BHXRT | (celestial object) Black Hole X-Ray Transient | |
| BIMA | (organization & telescope) Berkeley-Illinois-Maryland Association, and also B-M-I Array, microwave telescope it operated | |
| BIS | (organization) British Interplanetary Society | |
| BITP | (organization) Bogolyubov Institute for Theoretical Physics, a Ukrainian research institute | |
| BLAST | (telescope) Balloon-borne Large Aperture Submillimeter Telescope | |
| BLG | (catalog) BuLGe, used to designate a source detected in the direction of the bulge of the Milky Way | |
| BLLAC | (celestial object) BL LACertae, a class of active galaxies for which BL Lacertae is the archetypal object | |
| BNSC | (organization) British National Space Centre, the older name for UKSA | |
| BOAO | (observatory) Bohyunsan Optical Astronomy Observatory, in Korea | |
| BPM | (catalog) Bruce Proper Motion | |
| BSG | (celestial object) Blue Super Giant | |
| BSS | (celestial object) Blue Straggler Star | |
| BSS | (observing program) Bigelow Sky Survey | |
| BY | (celestial object) BY Draconis, a class of rotating variable stars for which BY Draconis is the archetypal object | |
| C | Cambridge Catalog, 2C (Second Cambridge Catalog), 3C (Third Cambridge Catalog) | |
| CADC | (organization) Canadian Astronomy Data Centre | |
| CAHA | (organization) Centro Astronómico Hispano Alemán, a German-Spanish Astronomical Centre | |
| CANDELS | (survey) Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey or Cosmic Assembly and Dark Energy Legacy Survey | |
| CAPS | (instrumentation) Cassini Plasma Spectrometer, an instrument on the Cassini spacecraft | |
| CARA | (organization) California Association for Research in Astronomy | |
| CARA | (organization) Center for Astrophysical Research in Antarctica | |
| CASCA | (organization) Canadian Astronomical Society / Société canadienne d'astronomie (the name is officially bilingual)[2] | |
| CASS | (organization) Center for Advanced Space Studies | |
| CBAT | (organization) Central Bureau for Astronomical Telegrams | |
| CBR | (celestial object) Cosmic Background Radiation | |
| CC | (celestial object) Candidate Companion, a newly detected observed object that initially appears to orbit another celestial object | |
| CCD | (instrumentation) Charge Coupled Device | |
| CCD | (astrophysics terminology) Color-Color Diagram, a plot that compares the differences between magnitudes in different wave bands | |
| CCDM | (catalog) Catalog of Components of Double and Multiple Stars | |
| CCO | (catalog) Catalogue of Cometary Orbits | |
| CCO | (celestial object) Central Compact Object, a compact star in the center of a planetary nebulae | |
| CCS | (celestial object) Cool Carbon Star | |
| CD | (catalog) Cordoba Durchmusterung | |
| CDIMP | (catalog) Catalogue of Discoveries and Identifications of Minor Planets | |
| CDM | (astrophysics terminology) Cold Dark Matter, any model for structure formation in the universe that characterize "cold" particles such as WIMPs as dark matter | |
| CDS | (organization) Centre de Données astronomiques de Strasbourg | |
| CELT | (telescope) California Extremely Large Telescope, an older name for the Thirty Meter Telescope | |
| CEMP | (celestial object) Carbon-Enhanced Metal-Poor, a type of carbon star | |
| CEMP-no | (celestial object) Carbon-Enhanced Metal-Poor star with no enhancement of elements produced by the r-process or s-process nucleosynthesis | |
| CEMP-r | (celestial object) Carbon-Enhanced Metal-Poor star with an enhancement of elements produced by r-process nucleosynthesis | |
| CEMP-r/s | (celestial object) Carbon-Enhanced Metal-Poor star with an enhancement of elements produced by both r-process and s-process nucleosynthesis | |
| CEMP-s | (celestial object) Carbon-Enhanced Metal-Poor star with an enhancement of elements produced by s-process nucleosynthesis | |
| CEP | (celestial object) CEPheid, a type of pulsating variable star | |
| CEPS | (organization) Center for Earth and Planetary Studies |