Subarcsecond Location of IGR J17480-2446 with Rossi XTE

Rosario Iaria, Tiziana Di Salvo, Riggio, Motta, Egron, Floris, Belloni, Burderi, Menna, Papitto, Testa

Risultato della ricerca: Articlepeer review

3 Citazioni (Scopus)

Abstract

On 2010 October 13, the X-ray astronomical satellite Rossi XTE, during the observation of the newly discovered accretion powered X-ray pulsar IGR J17480-2446, detected a lunar occultation of the source. From knowledge of the lunar topography and Earth, Moon, and spacecraft ephemerides at the epoch of the event, we determined the source position with an accuracy of 40 mas (1σ c.l.), which is interesting, given the very poor imaging capabilities of RXTE (~1°). For the first time, using a non-imaging X-ray observatory, the position of an X-ray source with a subarcsecond accuracy is derived, demonstrating the neat capabilities of a technique that can be fruitfully applied to current and future X-ray missions.
Lingua originaleEnglish
pagine (da-a)L11-L14
Numero di pagine4
RivistaTHE ASTROPHYSICAL JOURNAL LETTERS
Volume754
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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