Abstract
We present VLA H I observations and University of Hawaii 88 inch (2.2 m) deep optical B- and R-band observations of the IR-luminous merger Arp 299 (=NGC 3690+IC 694). These data reveal a gas-rich (M_HI=3.3x10^9 M_solar) optically faint (mu_B>~27 mag arcsec^-2, mu_R>~26 mag arcsec^-2) tidal tail with a length of over 180 kpc. The size of this tidal feature necessitates an old interaction age for the merger (>~750 Myr since first periapse), which is currently experiencing a very young starburst (
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CITATION STYLE
Hibbard, J. E., & Yun, M. S. (1999). A 180 Kiloparsec Tidal Tail in the Luminous Infrared Merger Arp 299. The Astronomical Journal, 118(1), 162–185. https://doi.org/10.1086/300928
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