A search for extragalactic pulsars in the local group galaxies IC 10 and Barnard's galaxy

H. Al Noori, M. S.E. Roberts, D. Champion, M. McLaughlin, Scott Ransom, P. S. Ray

Research output: Contribution to journalConference articlepeer-review

Abstract

As of today, more than 2500 pulsars have been found, nearly all in the Milky Way, with the exception of ∼28 pulsars in the Small and Large Magellanic Clouds. However, there have been few published attempts to search for pulsars deeper in our Galactic neighborhood. Two of the more promising Local Group galaxies are IC 10 and NGC 6822 (also known as Barnard's Galaxy) due to their relatively high star formation rate and their proximity to our galaxy. IC 10 in particular, holds promise as it is the closest starburst galaxy to us and harbors an unusually high number of Wolf-Rayet stars, implying the presence of many neutron stars. We observed IC 10 and NGC 6822 at 820 MHz with the Green Bank Telescope for ∼15 and 5 hours respectively, and put a strong upper limit of 0.1 mJy on pulsars in either of the two galaxies. We also performed single pulse searches of both galaxies with no firm detections.

Original languageEnglish (US)
Article number012071
JournalJournal of Physics: Conference Series
Volume869
Issue number1
DOIs
StatePublished - Jul 11 2017
EventInternational Conference Frontiers in Theoretical and Applied Physics, FTAPS 2017 - Sharjah, United Arab Emirates
Duration: Feb 22 2017Feb 25 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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