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arXiv · 1610.07154

Geographic and seasonal influences on optical followup of gravitational wave events

Varun Srivastava·Varun Bhalerao·Aravind P. Ravi·Archisman Ghosh·Sukanta Bose
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Abstract

We investigate the effects of observatory locations on the probability of discovering optical/infrared counterparts of gravitational wave sources. We show that for the LIGO--Virgo network, the odds of discovering optical/infrared (OIR) counterparts show some latitude dependence, but weak or no longitudinal dependence. A stronger effect is seen to arise from the timing of LIGO/Virgo observing runs, with northern OIR observatories having better chances of finding the counterparts in northern winters. Assuming identical technical capabilities, the tentative mid-2017 three-detector network observing favors southern OIR observatories for discovery of EM counterparts.

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Varun Srivastava, Varun Bhalerao, Aravind P. Ravi, Archisman Ghosh, Sukanta Bose. 2016-10-23. Geographic and seasonal influences on optical followup of gravitational wave events. https://doi.org/10.3847/1538-4357/aa62a4

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