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Investigating the Jet Width Profile of CTA 102 with Very Long Baseline Interferometry at Parsec Scales
ZhanHao Ng, Juan Carlos Algaba, Zamri Zainal Abidin
Active Galactic Nucleus jets have long be thought to exhibit a conical jet shape, but recently, several jets were found to have a transition from parabolic to conical structure. As…
Variability of the Faraday Rotation Measure in the Parsec-scale Jet of AGN 1633+382
Kah Chun Lai, Juan Carlos Algaba Marcos, Zamri bin Zainal Abidin
We study the Faraday rotation measure (RM) variability of flat spectrum radio quasar 1633+382 on 5 epochs spanning from 2004 to 2008. We used 4 to 43~GHz VLBI polarization data fro…
Supernova Neutrino Background Bound on the SFR History
Jafar Khodagholizadeh, Sepehr Arbabi Bidgoli, Zamri Zainal Abidin
The purpose of the present study is to compare the predictions of different models of star formation rate (SFR) history in the universe with the upper limit of Super Kamiokande for…