Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 445, Issue 3, Pages 3105-3114Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stu1905
Keywords
pulsars: general; pulsars: individual: J1740+1000; pulsars: individual: J1852-0635
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Funding
- Polish National Science Centre [DEC-2012/05/B/ST9/03924, DEC-2013/09/B/ST9/02177]
- European Social Fund
- European Commission [283393 (RadioNet3)]
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In this paper, we present results from flux-density measurements for 21 pulsars over a wide frequency range, using the Giant Metrewave Radio Telescope (GMRT) and the Effelsberg telescope. Our sample was a set of mostly newly discovered pulsars from the selection of candidates for gigahertz-peaked spectra (GPS) pulsars. Using the results of our observations along with previously published data, we identify two new GPS pulsars. One of them, PSR J1740+1000, with dispersion measure (DM) of 24 pc cm(-3), is the first GPS pulsar with such a low DM value. We also selected several strong candidates for objects with high-frequency turnover in their spectra, which require further investigation. We also revisit our source selection criteria for future searches for GPS pulsars.
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