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    UMNH:Mamm:3921

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    UMNH:Mamm:3921 Voucher specimen study ski

    Union Pacific (UP) 3921

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    A photograph postcard showing Union Pacific (UP) 3921, 4-6-6-4, on freight extra, Ogden, UT

    PSR J1618−3921: a recycled pulsar in an eccentric orbit

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    International audienceContext. The 11.99 ms pulsar PSR J1618−3921 orbits a He white dwarf companion of probably low mass with a period of 22.7 d. The pulsar was discovered in a survey of the intermediate Galactic latitudes at 1400 MHz that was conducted with the Parkes radio telescope in the late 1990s. Although PSR J1618−3921 was discovered more than 15 years ago, only limited information has been published about this pulsar, which has a surprisingly high orbital eccentricity (e ≃ 0.027) considering its high spin frequency and the likely low mass of the companion.Aims. The focus of this work is a precise measurement of the spin and the astrometric and orbital characteristics of PSR J1618−3921. This was done with timing observations made at the Nançay Radio Telescope from 2009 to 2017.Methods. We analyzed the timing data recorded at the Nançay Radio Telescope over several years to characterize the properties of PSR J1618−3921. A rotation ephemeris for this pulsar was obtained by analyzing the arrival times of the radio pulses at the telescope.Results. We confirm the unusual eccentricity of PSR J1618−3921 and discuss several hypotheses regarding its formation in the context of other discoveries of recycled pulsars in eccentric orbits.Key words: pulsars: individual: PSR J1618–3921 / ephemeride

    Block Card 3921 Woodley Road

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    This image was produced by the Auditor's Office in Lucas County, Ohio for tax assessment purposes. Associated dates are approximate. Descriptive terms related to this photograph include: Ranch houses | 3921 Woodley Road (Toledo, Ohio) | Dwelling | Westgate Area (Toledo, Ohio

    Block Card 3921 Crary Drive

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    This image was produced by the Auditor's Office in Lucas County, Ohio for tax assessment purposes. Associated dates are approximate. Descriptive terms related to this photograph include: Dwelling | 3921 Crary Drive (Toledo, Ohio) | Ranch houses | Keystone Addition (Toledo, Ohio) | Deveaux Area (Toledo, Ohio) | West Toledo area (Toledo, Ohio

    Block Card 3921 Surrey Road

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    This image was produced by the Auditor's Office in Lucas County, Ohio for tax assessment purposes. Associated dates are approximate. Descriptive terms related to this photograph include: split-level | Dwelling | Talmadge Gardens Addition (Toledo, Ohio) | Westgate Area (Toledo, Ohio) | 3921 Surrey Road (Toledo, Ohio

    Block Card 3921 Rohr Drive

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    This image was produced by the Auditor's Office in Lucas County, Ohio for tax assessment purposes. Associated dates are approximate. Descriptive terms related to this photograph include: Dwelling | 3921 Rohr Drive (Toledo, Ohio) | Tudor Cottage style | Keystone Addition (Toledo, Ohio) | Deveaux Area (Toledo, Ohio) | West Toledo area (Toledo, Ohio

    Block Card 3921 Hazelhurst Avenue

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    This image was produced by the Auditor's Office in Lucas County, Ohio for tax assessment purposes. Associated dates are approximate. Descriptive terms related to this photograph include: Dwelling (Toledo, Ohio) | Box bay | Homewood Park Extension (Toledo, Ohio) | Willys Park area (Toledo, Ohio) | West Toledo (Toledo, Ohio) | 3921 Hazelhurst Avenue (Toledo, Ohio) | Folk House Styl
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