Search Results - Linfeng Chang

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    Detection of Four Intermediate-mass Stars with Cool Companions in Low Mass Ratio Eclipsing Binaries

    Detection of Four Intermediate-mass Stars with Cool Companions in Low Mass Ratio Eclipsing Binaries by Linfeng Chang, Shengbang Qian, Lei Zang, Fuxing Li

    Published 2025-01-01

    According to the core fragmentation and dynamical capture theories of binary formation, binaries tend to form with nearly equal masses. The detection of intermediate-mass binaries with low mass ratios challenges these theories, as such binaries may form via disk fragmentation and are very important...

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    Rapid Change in the Orbital Period of the Remnant of Nova Scorpii AD 1437 (IGR J17014-4306)

    Rapid Change in the Orbital Period of the Remnant of Nova Scorpii AD 1437 (IGR J17014-4306) by Lei Zang, Shengbang Qian, Li Zhang, Qibin Sun, Linfeng Chang, Berto Monard, Gordon Myers, Franz-Josef Hambsch

    Published 2025-01-01

    IGR J17014-4306 is the longest orbital period (12.8 hr) deep-eclipsing intermediate polar known, where a massive white dwarf (WD) accretes matter from its companion star via an accretion disk. Based on photometric observations from the Transiting Exoplanet Survey Satellite space telescope and the Am...

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