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Draft version May 8, 2007 Preprint typeset using LATEX style emulateapj v. 02/07/07
 

Summary: Draft version May 8, 2007
Preprint typeset using LATEX style emulateapj v. 02/07/07
PERIODIC BURSTS OF COHERENT RADIO EMISSION FROM AN ULTRACOOL DWARF
G. Hallinan1
, S. Bourke1
, C. Lane1
, A. Antonova2
, R. T. Zavala3
, W. F. Brisken4
, R.P. Boyle5
, F. J. Vrba3
, J.G.
Doyle2
and A. Golden1
Draft version May 8, 2007
ABSTRACT
We report the detection of periodic (p = 1.96 hours) bursts of extremely bright, 100% circularly
polarized, coherent radio emission from the M9 dwarf TVLM 513-46546. Simultaneous photometric
monitoring observations have established this periodicity to be the rotation period of the dwarf. These
bursts, which were not present in previous observations of this target, confirm that ultracool dwarfs

  

Source: Armagh Observatory

 

Collections: Physics