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1
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1842396277
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list of nebulous objects, originally published
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C. Messier, list of nebulous objects, originally published in Connaiss. Temps (1784); republished by H. Shapley and H. Davis, Observatory 41, 318 (1918).
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Connaiss. Temps
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Messier, C.1
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2
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1842275852
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republished by
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C. Messier, list of nebulous objects, originally published in Connaiss. Temps (1784); republished by H. Shapley and H. Davis, Observatory 41, 318 (1918).
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Observatory
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Shapley, H.1
Davis, H.2
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3
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1842273871
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note
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Wide binaries are noninteracting double stars, that is, there is or was no mass exchange or mass overflow from one component to the other, in contrast to close binaries, for which, in the case of mass loss by one component, a "common envelope" may form.
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7
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1842304657
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note
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Expressions like [O III] indicate emission lines. For example, O III indicates doubly ionized oxygen (a I implies neutral gas). Brackets indicate a "forbidden" transition, which are hardly or not at all observable under normal laboratory conditions because of the extremely low plasma densities from which they originate.
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9
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0038533884
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The asymptotic giant branch (AGB) is so called because the calculated evolutionary tracks approach the giant branch more or less asymptotically. I. Iben Jr., Phys. Rep. 250, 1 (1995).
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Iben Jr., I.1
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Balick, B.1
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15
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1842400195
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August
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A short description of the ROSAT satellite and its capabilities is given in Sky Telesc. 90, 35 (August 1995).
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17
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1742417385
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J. H. Lutz, in (37), pp. 19-22
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J. H. Lutz, in (37), pp. 19-22.
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18
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0004065592
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Astrophys. and Space Library 112, Reidel, Dordrecht, Netherlands
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L. H. Aller, Physics of Thermal Gaseous Nebulae (Astrophys. and Space Library 112, Reidel, Dordrecht, Netherlands, 1984), pp. 98 and 120.
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Aller, L.H.1
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19
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0001664705
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K. M. Xilouris, J. Papamastorakis, E. Paleologou, Y. Terzian, Astron. Astrophys. 310, 603 (1996); K. J. Borkowski, C. L. Sarazin, N. Soker, Astrophys. J. 360, 173 (1990).
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Xilouris, K.M.1
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K. M. Xilouris, J. Papamastorakis, E. Paleologou, Y. Terzian, Astron. Astrophys. 310, 603 (1996); K. J. Borkowski, C. L. Sarazin, N. Soker, Astrophys. J. 360, 173 (1990).
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Borkowski, K.J.1
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22
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1842264080
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in press
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H. E. Bond, R. Ciardullo, L. K. Fullton, K. Schaefer, in Proc. Int. Astron. Union Symp. 180, in press.
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Bond, H.E.1
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24
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0000507181
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R. H. Mendez, R. P. Kudritzki, A. Herrero, D. Husfeld, H. G. Groth, Astron. Astrophys. 190, 113 (1988).
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25
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1842318025
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A P Cygni profile is an emission line with a blueshifted absorption component
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A P Cygni profile is an emission line with a blueshifted absorption component.
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26
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1842357629
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M. Perinotto, in (37), pp. 57-64
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M. Perinotto, in (37), pp. 57-64.
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27
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0003262508
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K. Werner and U. Heber, Astron. Astrophys. 247, 476 (1991); T. Rauch, J. Köppen, K. Werner, ibid. 286, 543 (1994); R. Napiwotzki, thesis, Christian-Albrechts-Universität zu Kiel (1993).
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K. Werner and U. Heber, Astron. Astrophys. 247, 476 (1991); T. Rauch, J. Köppen, K. Werner, ibid. 286, 543 (1994); R. Napiwotzki, thesis, Christian-Albrechts-Universität zu Kiel (1993).
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1842312343
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I. Iben, in (37), pp. 587-596
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I. Iben, in (37), pp. 587-596.
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39
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1842382574
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G. Jacoby and R. Ciardullo, in (37), pp. 503-513
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G. Jacoby and R. Ciardullo, in (37), pp. 503-513.
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41
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42
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1842301895
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P. J. Huggins, in (37), pp. 147-154
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P. J. Huggins, in (37), pp. 147-154.
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45
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1842399191
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note
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The PNe images are courtesy of B. Balick and J. Alexander (University of Washington), A. Hajian (U.S. Naval Observatory), M. Perinotto (University of Florence), P. Patriarchi (Arcetri Observatory, Florence), Y. Terzian (Cornell University and NASA), and R. Sahai and J. Trauger (JPL-California Institute of Technology), in collaboration with the Wide Field-Planetary Camera 2 IDT and NASA.
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