Two young radio pulsars coincident with egret sources

N. D'Amico, V. M. Kaspi, R. N. Manchester, F. Camilo, A. G. Lyne, A. Possenti, I. H. Stairs, M. Kramer, F. Crawford, J. F. Bell, N. P.F. McKay, B. M. Gaensler, Mallory Roberts

    Research output: Contribution to journalArticle

    Abstract

    We report the discovery and follow-up timing observations of two young energetic radio pulsars. PSR J1420-6048 has a period P = 68 ms and period derivative P = 83 × 10-15, implying a characteristic age τc = 13 kyr and a surface dipole magnetic field strength B = 2.4 × 1012 G. PSR J1837-0604 has P = 96 ms and Ṗ = 45 × 10-15, implying τc = 34 kyr and B = 2.1 × 1012 G. The two objects have large spin-down luminosities, and, on the basis of an empirical comparison of their properties with those of other young radio pulsars, they are expected to be observable as pulsed γ-ray sources. In fact, they lie within the error circles of γ-ray sources detected by the EGRET instrument on the Gamma Ray Observatory. We show that the pulsars are plausibly associated with the EGRET sources.

    Original languageEnglish (US)
    JournalAstrophysical Journal
    Volume552
    Issue number1 PART 2
    DOIs
    StatePublished - May 1 2001

    Fingerprint

    pulsars
    radio
    rays
    Gamma Ray Observatory
    energetics
    observatory
    magnetic field
    field strength
    luminosity
    time measurement
    dipoles
    magnetic fields
    young
    comparison

    Keywords

    • Pulsars: general
    • Pulsars: individual (PSR J1420-6048-PSR J1837-0604)
    • Stars: neutron

    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science

    Cite this

    D'Amico, N., Kaspi, V. M., Manchester, R. N., Camilo, F., Lyne, A. G., Possenti, A., ... Roberts, M. (2001). Two young radio pulsars coincident with egret sources. Astrophysical Journal, 552(1 PART 2). https://doi.org/10.1086/320264

    Two young radio pulsars coincident with egret sources. / D'Amico, N.; Kaspi, V. M.; Manchester, R. N.; Camilo, F.; Lyne, A. G.; Possenti, A.; Stairs, I. H.; Kramer, M.; Crawford, F.; Bell, J. F.; McKay, N. P.F.; Gaensler, B. M.; Roberts, Mallory.

    In: Astrophysical Journal, Vol. 552, No. 1 PART 2, 01.05.2001.

    Research output: Contribution to journalArticle

    D'Amico, N, Kaspi, VM, Manchester, RN, Camilo, F, Lyne, AG, Possenti, A, Stairs, IH, Kramer, M, Crawford, F, Bell, JF, McKay, NPF, Gaensler, BM & Roberts, M 2001, 'Two young radio pulsars coincident with egret sources', Astrophysical Journal, vol. 552, no. 1 PART 2. https://doi.org/10.1086/320264
    D'Amico N, Kaspi VM, Manchester RN, Camilo F, Lyne AG, Possenti A et al. Two young radio pulsars coincident with egret sources. Astrophysical Journal. 2001 May 1;552(1 PART 2). https://doi.org/10.1086/320264
    D'Amico, N. ; Kaspi, V. M. ; Manchester, R. N. ; Camilo, F. ; Lyne, A. G. ; Possenti, A. ; Stairs, I. H. ; Kramer, M. ; Crawford, F. ; Bell, J. F. ; McKay, N. P.F. ; Gaensler, B. M. ; Roberts, Mallory. / Two young radio pulsars coincident with egret sources. In: Astrophysical Journal. 2001 ; Vol. 552, No. 1 PART 2.
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    AU - Bell, J. F.

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    AB - We report the discovery and follow-up timing observations of two young energetic radio pulsars. PSR J1420-6048 has a period P = 68 ms and period derivative P = 83 × 10-15, implying a characteristic age τc = 13 kyr and a surface dipole magnetic field strength B = 2.4 × 1012 G. PSR J1837-0604 has P = 96 ms and Ṗ = 45 × 10-15, implying τc = 34 kyr and B = 2.1 × 1012 G. The two objects have large spin-down luminosities, and, on the basis of an empirical comparison of their properties with those of other young radio pulsars, they are expected to be observable as pulsed γ-ray sources. In fact, they lie within the error circles of γ-ray sources detected by the EGRET instrument on the Gamma Ray Observatory. We show that the pulsars are plausibly associated with the EGRET sources.

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    KW - Stars: neutron

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