Discovery of 10 pulsars in an Arecibo drift-scan survey

D. R. Lorimer, K. M. Xilouris, A. S. Fruchter, I. H. Stairs, F. Camilo, A. M. Vazquez, J. A. Eder, M. A. McLaughlin, Mallory Roberts, J. W T Hessels, S. M. Ransom

    Research output: Contribution to journalArticle

    Abstract

    We present the results of a 430-MHz survey for pulsars conducted during the upgrade to the 305-m Arecibo radio telescope. Our survey covered a total of 1147 deg 2 of sky using a drift-scan technique. We detected 33 pulsars, 10 of which were not known prior to the survey observations. The highlight of the new discoveries is PSR J0407+1607, which has a spin period of 25.7 ms, a characteristic age of 1.5 Gyr and is in a 1.8-yr orbit about a low-mass (>0.2 M⊙) companion. The long orbital period and small eccentricity (e = 0.0009) make the binary system an important new addition to the ensemble of binary pulsars suitable to test for violations of the strong equivalence principle. We also report on our initially unsuccessful attempts to detect optically the companion to J0407+1607, which imply that its absolute visual magnitude is > 12.1. If, as expected on evolutionary grounds, the companion is an He white dwarf, our non-detection implies a cooling age of least 1 Gyr.

    Original languageEnglish (US)
    Pages (from-to)1524-1530
    Number of pages7
    JournalMonthly Notices of the Royal Astronomical Society
    Volume359
    Issue number4
    DOIs
    StatePublished - Jun 1 2005

    Fingerprint

    pulsars
    radio telescopes
    eccentricity
    equivalence
    sky
    radio
    cooling
    orbits
    orbitals
    test

    Keywords

    • Pulsars: General
    • Pulsars: Individual: J0407+1607

    ASJC Scopus subject areas

    • Space and Planetary Science

    Cite this

    Lorimer, D. R., Xilouris, K. M., Fruchter, A. S., Stairs, I. H., Camilo, F., Vazquez, A. M., ... Ransom, S. M. (2005). Discovery of 10 pulsars in an Arecibo drift-scan survey. Monthly Notices of the Royal Astronomical Society, 359(4), 1524-1530. https://doi.org/10.1111/j.1365-2966.2005.09005.x

    Discovery of 10 pulsars in an Arecibo drift-scan survey. / Lorimer, D. R.; Xilouris, K. M.; Fruchter, A. S.; Stairs, I. H.; Camilo, F.; Vazquez, A. M.; Eder, J. A.; McLaughlin, M. A.; Roberts, Mallory; Hessels, J. W T; Ransom, S. M.

    In: Monthly Notices of the Royal Astronomical Society, Vol. 359, No. 4, 01.06.2005, p. 1524-1530.

    Research output: Contribution to journalArticle

    Lorimer, DR, Xilouris, KM, Fruchter, AS, Stairs, IH, Camilo, F, Vazquez, AM, Eder, JA, McLaughlin, MA, Roberts, M, Hessels, JWT & Ransom, SM 2005, 'Discovery of 10 pulsars in an Arecibo drift-scan survey', Monthly Notices of the Royal Astronomical Society, vol. 359, no. 4, pp. 1524-1530. https://doi.org/10.1111/j.1365-2966.2005.09005.x
    Lorimer DR, Xilouris KM, Fruchter AS, Stairs IH, Camilo F, Vazquez AM et al. Discovery of 10 pulsars in an Arecibo drift-scan survey. Monthly Notices of the Royal Astronomical Society. 2005 Jun 1;359(4):1524-1530. https://doi.org/10.1111/j.1365-2966.2005.09005.x
    Lorimer, D. R. ; Xilouris, K. M. ; Fruchter, A. S. ; Stairs, I. H. ; Camilo, F. ; Vazquez, A. M. ; Eder, J. A. ; McLaughlin, M. A. ; Roberts, Mallory ; Hessels, J. W T ; Ransom, S. M. / Discovery of 10 pulsars in an Arecibo drift-scan survey. In: Monthly Notices of the Royal Astronomical Society. 2005 ; Vol. 359, No. 4. pp. 1524-1530.
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