OBAFGKMLT - What does OBAFGKMLT stand for? The Free Dictionary
References in periodicals archive
Entitled 'WISE J0304-2705', the object was a member of the recently established 'Y dwarf' class, the coolest stellar temperature class yet defined, added to the end of the sequence OBAFGKMLT
Recent surprises: (a) L-type spectra (with strong features due to the alkali metals lithium, sodium, and so forth) switch over to T-type spectra (with features due mostly to methane) over a very narrow range of temperatures near 1,300 Kelvin, accounting for the absence of transitional types and representing the sharpest change between adjacent spectral types anywhere along the sequence OBAFGKMLT
The final result is OBAFGKMLT
, all from the same chemical composition.