Kelu-1 is a system of two brown dwarfs of spectral types L2 and L4 located in constellation Hydra at approximately 60.6 light-years from Earth. It is among the first free-floating later-than-M-type brown dwarfs discovered, and sometimes considered as prototype of L-type brown dwarfs.
Kelu-1 is a system of two brown dwarfs of spectral types L2 and L4 located in constellation Hydra at approximately 60.6 light-years from Earth. It is among the first free-floating later-than-M-type brown dwarfs discovered, and sometimes considered as prototype of L-type brown dwarfs.
==History of observations== thumb|left|A Infrared#Regions_within_the_infrared|near-infrared [[light curve for V421 Hydrae (Kelu-1), adapted from Clarke et al. (2002)]]
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).