Radiohalo dating

The relic candidate has a flux density of 5.2±0.8 m Jy at 610 MHz.We discuss possible origins of the relic candidate emission and conclude that the candidate is consistent with an infall relic.The astronomers found out that the radio halo in MACSJ2243.3-0935 has flux and dimensions typical of other radio halos.However, they noted that very little is known about these peculiar regions of diffuse emission, including the most important question about their formation.We discuss equipartition estimates of the cluster magnetic field and constrain the value to be of the order of 1 μG.The relic candidate is detected at the cluster virial radius where a filament meets the cluster."The GMRT is a very useful telescope for detecting radio halos as it is capable of observing at these lower frequencies.

If the existence of this feature is confirmed, it will make MACS J2243.3-0935 one of only a handful of clusters that host both a halo and a relic.

Explore further: GMRT discovers a dying, giant radio galaxy 9 billion light years away More information: A Newly-Discovered Radio Halo in Merging Cluster MACS J2243.3-0935.

arxiv.org/abs/1602.05923 Abstract We report the discovery of a radio halo in the massive merging cluster MACSJ2243.3-0935, as well as a new radio relic candidate, using the Giant Meterwave Radio Telescope and the KAT-7 telescope.

In 1997, the Institute of Creation Research (ICR) and the Creation Research Society initiated an eight-year research program to investigate the validity of radioisotope dating of rocks.

In the fall of 2005, he became director of the ASA and moved to the North Shore Boston area where he enjoys lobsters, clams, scallops, and other local seafood.