Searching for the optical counterparts of two young γ-ray pulsars
Date Issued
2016
Author(s)
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Pierbattista, M.
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Razzano, M.
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Salvetti, D.
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Belfiore, A.
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Shearer, A.
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Moran, P.
Abstract
We report on the first deep optical observations of two γ-ray pulsars, both among the very first discovered by the Fermi Gamma-ray Space Telescope. The two pulsars are the radio-loud PSR J1907+0602 in the TeV pulsar wind nebula (PWN) MGRO J1908+06 and the radio-quiet PSR J1809-2332 in the `Taz' radio/X-ray PWN. These pulsars are relatively young and energetic and have been both detected in the X-rays by XMM-Newton, which makes them viable targets for optical observations. We observed the pulsar fields in the B and V bands with the Very Large Telescope (VLT) in 2015 June/July to search for their optical counterparts. Neither of the two pulsars has been detected down to 3σ limiting magnitudes of mv ∼ 26.9 and ∼27.6 for PSR J1907+0602 and PSR J1809-2332, respectively. We discuss these results in the framework of the multiwavelength emission properties of pulsars.
Volume
463
Issue
3
Start page
2932
Issn Identifier
0035-8711
Ads BibCode
2016MNRAS.463.2932M
Rights
open.access
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