Searching for the orbital period of the ultraluminous X-ray source NGC 1313 X-2

L. Zampieri, D. Impiombato, R. Falomo, F. Grisé, R. Soria

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We analysed the longest phase-connected photometric data set available for NGC 1313 X-2, looking for the ∼6-day modulation reported by Liu et al.. The folded B-band light curve shows a ∼6-day periodicity with a significance slightly larger than 3σ. The low statistical significance of this modulation, along with the lack of detection in the V band, makes its identification uncertain.

Original languageEnglish (US)
Pages (from-to)1331-1337
Number of pages7
JournalMonthly Notices of the Royal Astronomical Society
Volume419
Issue number2
DOIs
StatePublished - Jan 2012

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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