List of Astronomy Acronyms - D

D

• DAO – (organization) Dominion Astrophysical Observatory
• DCEP – (celestial object) Delta CEPhei, a class of Cepheids named after Delta Cephei, the archetype for the class
• DDEB – (celectial object) Double-lined eclipsing binary
• DENIS – (observing program/catalog) DEep Near Infrared Survey
• DENIS-P – (catalog) DEep Near Infrared Survey, Provisory designation .
• DES – (observing program) Dark Energy Survey
• DES – (observing program) Deep Ecliptic Survey
• DIB – (celestial object) Diffuse Interstellar Band, an absorption feature in stellar spectra with an interstellar origin
• DIRBE – (instrumentation) Diffuse InfraRed Background Experiment, a multiwavelength infrared detector used to map dust emission
• DISR – (instrumentation) – Descent Imager/Spectral Radiometer, an instrument on the Huygens probe
• DMR – (instrumentation) Differential Microwave Radiometer, a microwave instrument that would map variations (or anisotropies) in the CMB
• DN – (celestial object) Dwarf Nova
• DNS – (celestial object) Double Neutron Star, another name for a binary neutron star system. .
• DPOSS – (data) Digitized Palomar Observatory Sky Survey
• DS – (celestial object) Dwarf Star
• DSCT – Delta SCuTi, a class of pulsating variable stars named after Delta Scuti, the archetype for the class
• DSN – (communications network) Deep Space Network, a network of radio antennas used for communicating to spacecraft
• DSS – (data) Digitized Sky Survey
• DWE – (instrumentation) – Doppler Wind Experiment, an instrument on the Huygens probe