Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21733609s&link_type=abstract
American Astronomical Society, AAS Meeting #217, #336.09; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The nature of rotating radio transients (RRATs) remains one of the greatest mysteries in the field of pulsar astronomy today. Whether RRATs have a similar emission mechanism as pulsars or emit via an entirely different method can only be determined by analyzing the pulsed emission and polarization characteristics of various known RRATs over a range of frequencies in the radio spectrum. One such example, J0627+16 was first observed as part of the PALFA survey of the galactic plane in 2006 as nine single pulses with a fitted period of 2.180 s and DM of 125 pc/cm3. Subsequently, seven more observations at both 327 MHz and 1400 MHz were taken using the Arecibo telescope. These observations were each individually searched for single pulses using a friends-of-friends algorithm. The TEMPO timing software was used to fit a more accurate period, position, and dispersion measure using the new data. Furthermore, two average pulse profiles at both 327 MHz and 1400 MHz were created in order to attempt radius-to-frequency mapping on J0627+16, a process which might provide insight into the connection between the emission mechanisms of RRATs and pulsars. Preliminary results show that this is possible on J0627+16, although more observations and suitable polarization data is necessary to provide additional evidence to the correlation.
Deneva Julia
Mitra David
Rankin Joanna
Schmidt Deborah
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