0 Identifying Old Tidal Dwarf Irregulars

  title={0 Identifying Old Tidal Dwarf Irregulars},
  author={Deidre A. Hunter and Sally D. Hunsberger and Erin W. Roye},
We examine the observational consequences of the two possible origins for irregular galaxies: formation from collapse of a primordial cloud of gas early in the age of the Universe, and formation from tidal tails in an interaction that could have occured any time in the history of the Universe. Because the formation from tidal tails could have occurred a… CONTINUE READING