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High-resolution Near-Infrared Spectroscopy of the B[e] Supergiant LHA 115-S 18: Discovery of Hot Water Vapor Emission

  • Authors: María Laura Arias, Andrea Fabiana Torres, Michaela Kraus, Lydia Sonia Cidale

María Laura Arias et al 2026 The Astrophysical Journal Letters 1000 .

  • Provider: AAS Journals

Caption: Figure 3.

Different fits for selected portions of LHA 115-S 18 K-band spectrum, showing the variation with the model parameters: temperature and column density. The best fit is for T(H2O) ≈ 1800 K and N(H2O) ≈ 4–6 × 1021 cm−2.

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