The Infrared Spectrograph (IRS) on the Spitzer Space Telescope von Houck, J. R, Roellig, T. L, van Cleve, J, Forrest, W. J, Herter, T, Lawrence, C. R, Matthews, K, Reitsema, H. J, Soifer, B. T, Watson, D. M, Weedman, D, Huisjen, M, Troeltzsch, J, Barry, D. J, Bernard-Salas, J, Blacken, C. E, Brandl, B. R, Charmandaris, V, Devost, D, Gull, G. E, Hall, P, Henderson, C. P, Higdon, S. J. U, Pirger, B. E, Schoenwald, J, Sloan, G. C, Uchida, K. I, Appleton, P. N, Armus, L, Burgdorf, M. J, Fajardo-Acosta, S. B, Grillmair, C. J, Ingalls, J. G, Morris, P. W, Teplitz, H. I

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New Infrared Emission Features and Spectral Variations in NGC 7023 von Werner, M. W, Uchida, K. I, Sellgren, K, Marengo, M, Gordon, K. D, Morris, P. W, Houck, J. R, Stansberry, J. A

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Oxygen abundance of γ Vel from [O iii] 88 μm Herschel/PACS spectroscopy von Crowther, Paul A, Barlow, M J, Royer, P, Hillier, D J, Bestenlehner, J M, Morris, P W, Wesson, R

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Neon and Sulfur Abundances of Planetary Nebulae in the Magellanic Clouds von Bernard-Salas, J, Pottasch, S. R, Gutenkunst, S, Morris, P. W, Houck, J. R

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Mid-Infrared Spectra of Polycyclic Aromatic Hydrocarbon Emission in Herbig Ae/Be Stars von Sloan, G. C, Keller, L. D, Forrest, W. J, Leibensperger, E, Sargent, B, Li, A, Najita, J, Watson, D. M, Brandl, B. R, Chen, C. H, Green, J. D, Markwick-Kemper, F, Herter, T. L, D’Alessio, P, Morris, P. W, Barry, D. J, Hall, P, Myers, P. C, Houck, J. R

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Searching for hidden Wolf-Rayet stars in the Galactic plane - 15 new Wolf-Rayet stars von Hadfield, L. J., Van Dyk, S. D., Morris, P. W., Smith, J. D., Marston, A. P., Peterson, D. E.

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Eta carinae and the homunculus: far infrared/submillimetre spectral lines detected with the Herschel Space Observatory von Gull, T R, Morris, P W, Black, J H, Nielsen, K E, Barlow, M J, Royer, P, Swinyard, B M

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Mid-infrared evolution of η Carinae from 1968 to 2018 von Mehner, A., de Wit, W.-J., Asmus, D., Morris, P. W., Agliozzo, C., Barlow, M. J., Gull, T. R., Hillier, D. J., Weigelt, G.

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Spectroscopic Signatures of the Vanishing Natural Coronagraph of eta Carinae von Damineli, A., Navarete, F., Moffat, A. F. J., Corcoran, M. F., Gull, T. R., Richardson, Derek N, Weigelt, G., Morris, P. W., Stevens, I.

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Observations of Ultraluminous Infrared Galaxies with the Infrared Spectrograph (IRS) on the Spitzer Space Telescope: Early Results on Markarian 1014, Markarian 463, and UGC 5101 von Armus, L, Charmandaris, V, Spoon, H. W. W, Houck, J. R, Soifer, B. T, Brandl, B. R, Appleton, P. N, Teplitz, H. I, Higdon, S. J. U, Weedman, D. W, Devost, D, Morris, P. W, Uchida, K. I, van Cleve, J, Barry, D. J, Sloan, G. C, Grillmair, C. J, Burgdorf, M. J, Fajardo-Acosta, S. B, Ingalls, J. G, Higdon, J, Hao, L, Bernard-Salas, J, Herter, T, Troeltzsch, J, Unruh, B, Winghart, M

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VLTI-MATISSE Chromatic Aperture-Synthesis Imaging of η Carinae’s Stellar Wind Across the Brα Line: Periastron Passage Observations in February 2020 von Weigelt, G, Hofmann, K-H, Schertl, D, Lopez, B, Petrov, R G, Lagarde, S, Berio, Ph, Jaffe, W, Henning, Th, Millour, F, Meilland, A, Allouche, F, Robbe-Dubois, S, Matter, A, Cruzalèbes, P, Russell, C M P, Madura, T, Gull, T R, Corcoran, M F, Damineli, A, Moffat, A F J, Morris, P W, Richardson, N D, Paladini, C, Schöller, M, Mérand, A, Glindemann, A, Beckmann, U, Heininger, M, Bettonvil, F, Zins, G, Woillez, J, Bristow, P, Sanchez-Bermudez, J, Danchi, W C

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Mid-infrared Spectroscopy of Disks around Classical T Tauri Stars von Forrest, W. J, Sargent, B, Furlan, E, D’Alessio, P, Calvet, N, Hartmann, L, Uchida, K. I, Green, J. D, Watson, D. M, Chen, C. H, Kemper, F, Keller, L. D, Sloan, G. C, Herter, T. L, Brandl, B. R, Houck, J. R, Barry, D. J, Hall, P, Morris, P. W, Najita, J, Myers, P. C

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Mid-infrared Spectra of Class I Protostars in Taurus von Watson, Dan M, Kemper, F, Calvet, Nuria, Keller, Luke D, Furlan, Elise, Hartmann, Lee, Forrest, W. J, Chen, C. H, Uchida, Keven I, Green, Joel D, Sargent, B, Sloan, G. C, Herter, Terry L, Brandl, Bernhard R, Houck, J. R, Najita, J, D’Alessio, Paola, Myers, P. C, Barry, D. J, Hall, P, Morris, P. W

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Mid-infrared diagnostics of metal-rich H ii regions from VLT and Spitzer spectroscopy of young massive stars in W31 von Furness, J. P., Crowther, P. A., Morris, P. W., Barbosa, C. L., Blum, R. D., Conti, P. S., van Dyk, S. D.

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An oxygen-rich dust disk surrounding an evolved star in the Red Rectangle von Waters, L. B. F. M, Waelkens, C, van Winckel, H, Molster, F. J, Tielens, A. G. G. M, van Loon, J. Th, Morris, P. W, Cami, J, Bouwman, J, de Koter, A, de Jong, T, de Graauw, Th

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Exploring the role of formal bodies of knowledge in defining a profession – The case of project management von Morris, P.W.G., Crawford, L., Hodgson, D., Shepherd, M.M., Thomas, J.

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An Ultraviolet to Mid-Infrared Study of the Physical and Wind Properties of HD 164270 (WC9) and Comparison to BD +30 3639 ([WC9]) von Crowther, Paul A, Morris, P. W, Smith, J. D

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MARCS: Model Stellar Atmospheres and Their Application to the Photometric Calibration of the Spitzer Space Telescope Infrared Spectrograph (IRS) von Decin, L, Morris, P. W, Appleton, P. N, Charmandaris, V, Armus, L, Houck, J. R

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Quantitative analysis of WC stars: constraints on neon abundances from ISO-SWS spectroscopy von Dessart, Luc, Crowther, Paul A., John Hillier, D., Willis, Allan J., Morris, Patrick W., van der Hucht, Karel A.

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Discovery of a massive equatorial torus in the η Carinae stellar system von Morris, P. W, Waters, L. B. F. M, Barlow, M. J, Lim, T, de Koter, A, Voors, R. H. M, Cox, P, de Graauw, Th, Henning, Th, Hony, S, Lamers, H. J. G. L. M, Mutschke, H, Trams, N. R

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