Dictionary of Nomenclature of Celestial Objects

17ApJS..228...18G
byGAGNE J. , FAHERTY J.K., MAMAJEK E.E., MALO L., DOYON R., FILIPPAZZO J.C., WEINBERGER A.J., DONALDSON J.K., LEPINE S., LAFRENIERE D., ARTIGAU E., BURGASSER A.J., LOOPER D., BOUCHER A., BELETSKY Y., CAMNASIO S., BRUNETTE C., ARBOIT G.
 Astrophys. J., Suppl. Ser., 228, 18-18 (2017)
  BANYAN. IX. The initial mass function and planetary-mass object space density of the TW Hya association.
o<TWA NNA> (Nos 37-44, 47) added.

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