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ACV |
Alpha Canes Venatici |
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ACYG |
Alpha CYGni |
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AGB |
Asymptotic Giant Branch |
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AGN |
Active Galactic Nucleus |
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AXP |
Anomalous X-Ray Pulsar |
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BCD |
Blue Compact Dwarf |
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BCEP |
Beta CEPhei |
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BCG |
Blue Compact Galaxy |
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BD |
Brown Dwarf |
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BHB |
Blue Horizontal Branch |
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BHC |
Black Hole Candidate |
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BHXRT |
Black Hole X-Ray Transient |
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BHXT |
Black Hole X-Ray Transient |
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BLL |
BL LACertae |
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BLLAC |
BL LACertae |
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BS |
Blue Straggler |
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BSG |
Blue SuperGiant |
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BSS |
Blue Straggler Star |
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BY |
BY Draconis |
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CBR |
Cosmic Background Radiation |
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CC |
Candidate Companion |
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CCO |
Central Compact Object |
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CCS |
Cool Carbon Star |
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CEMP |
Carbon-Enhanced Metal-Poor |
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CEP |
CEPheid |
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CG |
Compact Galaxy |
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CG |
Cometary Globule |
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CGCS |
Cool Galactic Carbon Star |
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CIBR |
Cosmic Infrared Background Radiation |
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CMBR |
Cosmic Microwave Background Radiation |
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CNB |
Cosmic Neutrino Background |
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CSE |
Circumstellar Envelope |
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CSPN |
Central Star of Planetary Nebula |
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CTTS |
Classical T Tauri Star |
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CV |
Cataclysmic Variable |
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CW |
Cepheid W Virginis |
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CWA |
Cepheid W Virginis A |
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CWB |
Cepheid W Virginis B |
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CXBR |
Cosmic X-ray Background Radiation |
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DCEP |
Delta Cepheid |
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DDEB |
Double-lined eclipsing binary |
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DIB |
Diffuse Interstellar Band |
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dn |
Dwarf Novae |
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DN |
Dwarf Nova |
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DNS |
Double Neutron Star |
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DS |
Dwarf Star |
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E |
Eclipsing |
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EA |
Eclipsing Algol |
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EC |
Embedded Cluster |
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ECA |
Earth Crossing Asteroid |
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EGG |
Evaporating Gaseous Globule |
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EGP |
Extrasolar Giant Planet |
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Ehb |
Extreme Horizontal Branch |
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EKBO |
Edgeworth-Kuiper Belt Object |
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EMP |
Extremely Metal-Poor |
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ERO |
Extremely Red Object |
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EW |
Eclipsing W Ursa Majoris |
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FEB |
Falling-Evaporating Body |
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IPMO |
Isolated Planetary-Mass Objects |
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IRDC |
Infrared Dark Cloud |
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ISM |
Interstellar Medium |
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LBV |
Luminous Blue Variable |
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LGM |
Little Green Men |
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LINER |
Low Ionization Nuclear Emission Region |
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LIRG |
Luminous Infrared Galaxy |
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LLAGN |
Low-Luminosity Active Galactic Nucleus |
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LMC |
Large Magellanic Cloud |
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LMS |
Lower Main Sequence |
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LMXB |
Low-Mass X-Ray Binary |
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LPV |
Long Period Variable |
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LRG |
Luminous Red Galaxy |
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m |
Mira |
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MACHO |
Massive Compact Halo Object |
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MBA |
Main-Belt Asteroid |
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MBH |
Massive Black Hole |
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MECO |
Magnetospheric Eternally Collapsing Object |
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MSP |
Millisecond Pulsar |
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MW |
Milky Way |
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MWD |
Magnetic White Dwarf |
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MXRB |
Massive X-Ray Binary |
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MYSO |
Massive Young Stellar Object |
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N |
Nova |
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NEMP |
Nitrogen-Enhanced Metal-Poor |
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NEO |
Near-Earth Object - Non-combatant Evacuation Operations |
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NPS |
North Polar Sequence |
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NS |
Neutron Star |
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OC |
Open Cluster |
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OCO |
Oort Cloud Object |
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OVV |
Optically Violent Variable |
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PHA |
Potentially Hazardous Asteroid |
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PLANEMO |
Planetary Mass Object |
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PMS |
Pre–Main Sequence |
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PN |
Planetary Nebula |
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PNN |
Planetary Nebula Nucleus |
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PNNV |
Planetary Nebula Nucleus Variable |
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PPN |
Proto-Planetary Nebula |
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Proplyd |
Protoplanetary Disk |
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PSR |
Pulsar |
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PSR |
Pulsar Supernova Remnant |
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PVTEL |
PV TELescopii |
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