Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Bowey, J. E."'
Autor:
Bowey, J. E., Hofmeister, A. M.
We present new room-temperature 1100 - 1800 cm^{-1} spectra of melilite silicates and 600 - 2000 cm^{-1} spectra of three randomly orientated fine-grained carbonates to determine the possible carrier(s) of a 6.9~micron absorption feature observed in
Externí odkaz:
http://arxiv.org/abs/2204.03437
Autor:
Kamp, I., Honda, M., Nomura, H., Audard, M., Fedele, D., Waters, L. B. F. M., Aikawa, Y., Banzatti, A., Bowey, J. E., Bradford, M., Dominik, C., Furuya, K., Habart, E., Ishihara, D., Johnstone, D., Kennedy, G., Kim, M., Kral, Q., Lai, S. P., Larsson, B., McClure, M., Miotello, A., Momose, M., Nakagawa, T., Naylor, D., Nisini, B., Notsu, S., Onaka, T., Pantin, E., Podio, L., Marichalar, P. Riviere, Rocha, W. R. M., Roelfsema, P., Santos, F., Shimonishi, T., Tang, Y. W., Takami, M., Tazaki, R., Wolf, S., Wyatt, M., Ysard, N.
In this era of spatially resolved observations of planet forming disks with ALMA and large ground-based telescopes such as the VLT, Keck and Subaru, we still lack statistically relevant information on the quantity and composition of the material that
Externí odkaz:
http://arxiv.org/abs/2106.13782
Pyroxene crystals are common in meteorites but few compositions have been recognized in astronomical environments. We present quantitative room-temperature spectra of 17 Mg-- Fe-- and Ca--bearing ortho- and clinopyroxenes, and a Ca-pyroxenoid in orde
Externí odkaz:
http://arxiv.org/abs/2007.13557
Autor:
Sugerman, Ben E. K., Ercolano, Barbara, Barlow, M. J., Tielens, A. G. G. M., Clayton, Geoffrey C., Zijlstra, Albert A., Meixner, Margaret, Speck, Angela, Gledhill, Tim M., Panagia, Nino, Cohen, Martin, Gordon, Karl D., Meyer, Martin, Fabbri, Joanna, Bowey, J. E., Welch, Douglas L., Regan, Michael W., Kennicutt, Jr, Robert C.
Publikováno v:
Science 313:196-200,2006
We present late-time optical and mid-infrared observations of the Type-II supernova 2003gd in NGC 628. Mid-infrared excesses consistent with cooling dust in the ejecta are observed 499-678 days after outburst, and are accompanied by increasing optica
Externí odkaz:
http://arxiv.org/abs/astro-ph/0606132
Autor:
Barlow, M. J., Sugerman, B. E. K., Fabbri, J., Meixner, M., Fisher, R. S., Bowey, J. E., Panagia, N., Ercolano, B., Clayton, G. C., Cohen, M., Gledhill, T. M., Gordon, K., Tielens, A. G. G. M., Zijlstra, A. A.
Dust emission from the Type II supernova SN 2002hh in NGC 6946 has been detected at mid-infrared wavelengths by the Spitzer Space Telescope from 590 to 758 days after outburst and confirmed by higher angular resolution Gemini-N mid-IR observations. T
Externí odkaz:
http://arxiv.org/abs/astro-ph/0506542
Autor:
Matsuura, M., Zijlstra, A. A., Molster, F. J., Hony, S., Waters, L. B. F. M., Kemper, F., Bowey, J. E., Chihara, H., Koike, C., Keller, L. P.
Publikováno v:
Astrophys.J. 604 (2004) 791-799
IRAS 16279-4757 belongs to a group of post-AGB stars showing both PAH bands and crystalline silicates. We present mid-infrared images, that resolve the object for the first time. The morphology is similar to that of the `Red Rectangle' (HD 44179), th
Externí odkaz:
http://arxiv.org/abs/astro-ph/0402037
Publikováno v:
Mon.Not.Roy.Astron.Soc. 325 (2001) 886
Far-infrared spectra of laboratory silicates are normally obtained at room temperature even though the grains responsible for astronomical silicate emission bands seen at wavelengths >20 micron are likely to be at temperatures below ~150 K. In order
Externí odkaz:
http://arxiv.org/abs/astro-ph/0103297
Autor:
Bowey, J E, Hofmeister, A M
Publikováno v:
Monthly Notices of the Royal Astronomical Society; Jun2022, Vol. 522 Issue 2, p1774-1784, 11p
Publikováno v:
Monthly Notices of the Royal Astronomical Society; Sep2020, Vol. 497 Issue 3, p3658-3673, 16p
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