Search Publications

BANYAN. IX. The Initial Mass Function and Planetary-mass Object Space Density of the TW HYA Association

Weinberger, Alycia J.; Donaldson, Jessica K.; Burgasser, Adam J. +15 more

A determination of the initial mass function (IMF) of the current, incomplete census of the 10 Myr-old TW Hya association (TWA) is presented. This census is built from a literature compilation supplemented with new spectra and 17 new radial velocities from ongoing membership surveys, as well as a reanalysis of Hipparcos data that confirmed HR 4334…