Wednesday, December 14, 2016

Astro-ph Today


(1)
Tomo-san introduced a paper concerning the possibility of a quasar as a standard candle. Standard
candles are a useful tool in astronomy since we can use them to estimate the distances of celestial objects and even use them to explore the expansion of the Universe.  It has been and interesting issue in astronomy.




(2)
Jimmy introduced the Green Bank Telescope and its current state. If anyone intend to conduct an observation with the telescope, it may be a good choice to apply for.


(3)
Kevin presented a paper concerning AGNs and Reionization of the Universe. A model was discussed  that an AGN-dominated scenario will satisfy the some observational constrains and considered that AGNs may mainly contribute during the epoch of reionization than the active star-forming galaxies.
  











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