L dwarf

L dwarf properties by spectral type[1]
Subclass Temp Luminosity
M8 2300 K ~0.0007 Lʘ
L0 2100 K ~0.00035 Lʘ
L2 1950 K ~0.0001 Lʘ
L4 1800 K ~0.000075 Lʘ
L6 1700 K ~0.000065 Lʘ
L8 1500 K ~0.000045 Lʘ

An object with the spectral type L (also called L-dwarf) can be either a low-mass star,[2] a brown dwarf[3] or a young free-floating planetary-mass object.[4] If a young exoplanet or planetary-mass companion is detected via direct imaging, it can also have an L spectral type, such as Kappa Andromedae b.[5]

  1. ^ "L dwarf classification". www.stsci.edu. Retrieved 2025-02-09.
  2. ^ Cite error: The named reference Zhang2018 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Rothermich2024 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Langeveld2024 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Uyama2020 was invoked but never defined (see the help page).

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