Celestial Object Abbreviations and Acronyms

1. IRDC
   Infrared Dark Cloud
2. IRS
   Infrared Spectrograph
3. IRX
   Infrared Excess
4. ISM
   Interstellar Medium
5. JILA
   Formerly Joint Institute for Laboratory Astrophysics
6. LAN
   Longitude of Ascending Node
7. LBV
   Luminous Blue Variable
8. LBVS
   Luminous Blue Variable
9. LETG
   Low Energy Transmission Gratings Spectromete
10. LGM
    Little Green Men
11. LIGO
    Laser Interferometer Gravitational Wave Observatory
12. LINEAR
    Lincoln Near-Earth Asteroid Research
13. LINER
    Low Ionization Nuclear Emission Region
14. LIRG
    Luminousuinfrared Galaxy
15. LIRG
    Luminous Infrared Galaxy
16. LLAGN
    Low-Luminosity Active Galactic Nucleus
17. LLAGN
    Low Luminosity Autive Galactic Nucleus
18. LMC
    Larce Magellanic Cloud
19. LMC
    Large Magellanic Cloud
20. LMS
    Lower Main Sequence

Last updated: May 24, 2020 — Total entries: 297