Arxiv:2007.11266V1 [Astro-Ph.GA] 22 Jul 2020
Draft version July 23, 2020 Typeset using LATEX default style in AASTeX62 High Resolution Infrared Spectroscopy of Hot Molecular Gas in AFGL 2591 and AFGL 2136: Accretion in the Inner Regions of Disks Around Massive Young Stellar Objects Andrew G. Barr,1 Adwin Boogert,2, ∗ Curtis N. DeWitt,3 Edward Montiel,3 Matthew J. Richter,4 John H. Lacy,5 David A. Neufeld,6 Nick Indriolo,7 Yvonne Pendleton,8 Jean Chiar,9 and Alexander G. G. M. Tielens1 | 1Leiden University Niels Bohrweg 2, 2333 CA Leiden, The Netherlands 2Institute for Astronomy University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA 3USRA, SOFIA, NASA Ames Research Center, MS 232-11, Moffett Field, CA 94035, USA 4University of California, Davis, Phys 539, Davis, CA 95616, USA 5Department of Astronomy, The University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA 6Johns Hopkins University, Baltimore, MD 21218, USA 7ALMA Project, National Astronomical Observatory of Japan, National Institutes of Natural Sciences, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan 8NASA Ames Research Center, Moffett Field, CA 94035, USA 9Diablo Valley College, 321 Golf Club Rd, Pleasant Hill, CA 94523, USA (Accepted July 14, 2020) Submitted to ApJ arXiv:2007.11266v1 [astro-ph.GA] 22 Jul 2020 ABSTRACT We have performed a high resolution 4-13 µm spectral survey of the hot molecular gas associated with the massive protostars AFGL 2591 and AFGL 2136, utilising the Echelon-Cross-Echelle-Spectrograph (EXES) on-board the Stratospheric Observatory for Infrared Astronomy (SOFIA), and the iSHELL instrument and Texas Echelon Cross Echelle Spectrograph (TEXES) on the NASA Infrared Telescope Facility (IRTF).
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