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Showing 1 to 3 of 3 for “"L1157"”.

  1. Circumstellar environments around the youngest protostars: interferometric observations and modeling

    … focus on the isolated edge-on low-mass protostar L1157. While a large-scale (~20,000 AU) flattened envelope is detected in both the N2H+ line and the 8 micron extinction perpendicular to the outflow orientation, the dust continuum shows spherical structures at scales between ~10^2 and ~10^3 AU. …

    uiuc Repository record for Circumstellar environments around the youngest protostars: interferometric observations and modeling (opens in a new tab)

  2. The environmental impact of high- and low-mass stars: from formation to main sequence

    … the magnetic field with the low-mass protostar L1157-mm by creating polarimetric maps at resolutions from ~300 to 2500 AU. The inferred magnetic field lines show a well-defined hourglass morphology centered about the core -- only the second of such morphology discovered around a low-mass …

    uiuc Repository record for The environmental impact of high- and low-mass stars: from formation to main sequence (opens in a new tab)

  3. Circumstellar Structure Properties of Young Stellar Objects: Envelopes, Bipolar Outflows, and Disks

    … Class 0 YSOs (L1448 IRS 2, L1448 IRS 3, and L1157) have been observed by CARMA at 1.3 mm and 2.7 mm continuum. Through visibility modeling to fit the two wavelength continuum data simultaneously, we found that the dust opacity spectral index of Class 0 YSOs is around unity, which implies that …

    uiuc Repository record for Circumstellar Structure Properties of Young Stellar Objects: Envelopes, Bipolar Outflows, and Disks (opens in a new tab)