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Dust-seeding Molecules in a Massive Protostar—Detection of TiO in Orion Source I

  • Authors: Ziwei E. Zhang, Nami Sakai, Marcelino Agúndez, Linda Podio, Claudio Codella, Tomoya Hirota, Adam Ginsburg, Brett McGuire, Nadia M. Murillo, Yuki Okoda, Yoko Oya, Giovanni Sabatini, Aki Takigawa, Kei E. I. Tanaka, Yichen Zhang, Qiuyi Luo, Yu Cheng, Izaskun Jiménez-Serra, Shogo Tachibana

Ziwei E. Zhang et al 2026 The Astrophysical Journal Letters 1011 .

  • Provider: AAS Journals

Caption: Figure A1.

The 1 GHz wide spectra of the detected TiO and possibly observed AlOH lines. The mean spectra are extracted from a circular area within 100 au from the continuum center. The TiO and AlOH transitions are marked in red, iCOM transitions in gray, and other molecular transitions in blue. The baselines are tuned with spectral fittings.

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