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Cortes-Rangel, Geovanni; Zapata, Luis A.; Rivera-Ortiz, Pedro R.; Reiter, Megan; Takahashi, Satoko; Masqué, Josep M.
The Astrophysical journal, 12/2023, Letnik: 958, Številka: 2Journal Article
Abstract We present a study of six dusty and gaseous pillars (containing the Herbig–Haro (HH) objects HH 1004 and HH 1010) and globules (that contain the HH 666, HH 900, HH 1006, and HH 1066 objects) localized in the Carina Nebula using sensitive and high-angular-resolution (∼0.″3) Atacama Large Millimeter/submillimeter Array observations. This is a more extensive study that the one presented in Cortes-Rangel et al. As in this former study, we also analyzed the 1.3 mm continuum emission and C 18 O(2−1), N 2 D + (3−2), and 12 CO(2−1) spectral lines. These new observations revealed the molecular outflows emanating from the pillars, the dusty envelopes+disks that are exciting them, and the extended HH objects far from their respective pillars. We reveal that the masses of the disks+envelopes are in the range of 0.02–0.38 M ⊙ , and those for the molecular outflows are of the order of 10 −3 M ⊙ , which suggest that their exciting sources might be low- or intermediate-mass protostars as already revealed in recent studies at infrared and submillimeter bands. In the regions associated with the objects HH 900 and HH 1004, we report multiple millimeter continuum sources, from where several molecular outflows emanate.
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