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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 2.

Relative TiO line intensities as a function of frequency from LTE calculations at 483.3 K (Section 3.2). The intensities are normalized to the TiO 853 GHz transition. The transitions presented in this work are marked in red. The Ω = 3 transitions, although blended, have intensities ∼20%–50% of that of the 853 GHz transition under LTE conditions.

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