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Molecular excitation and galactic interstellar clouds

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Part of the book series: Lecture Notes in Physics ((LNP,volume 439))

Abstract

A simplified account of the determination of kinetic temperatures, H2 densities and column densities is given, with emphasis on quasi-thermal excitation. Some examples of the determination of parameters of clouds are presented.

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References

  • Adams, F.H. 1992 Ap. J. 387, 572

    Google Scholar 

  • Allen, D.A., Burton, M.G. 1993 Nat 363, 54

    Google Scholar 

  • Bally, J., Langer, W.D., Stark, A.A., Wilson, R.W. 1987 Ap. J. 312, L45

    Google Scholar 

  • Benson, p.J., Myers, P.C. 1989 Ap. J. Suppl. 71, 89

    Google Scholar 

  • Bieging, J.H., Crutcher, R.M. 1986 Ap. J. 310, 853

    Google Scholar 

  • Blitz, L. 1990 in IAU Symp. 144, ‘The Interstellar Disk-Halo Connection in Galaxies' ed. H. Bloemen, Kluwer, Dordrecht, p. 41.

    Google Scholar 

  • Bloemen, H. 1988 in ‘Molecular Clouds in the Milky Way and Other Galaxies', eds. R.L. Dickman, R.L. Snell, J.S. Young, Springer, Heidelberg, p. 71

    Google Scholar 

  • Castets, A., Duvert, G., Dutry, A., Bally, J., Langer, W.D., Wilson, R.W. 1990 A&A 234, 469

    Google Scholar 

  • Cesaroni, R., Walmsley, C.M., Kömpe, C., Churchwell, E.B. 1991 A&A 252, 278

    Google Scholar 

  • Cheung, A.C., Rank, D.M., Townes, C.H., Thornton, D.D., Welch, W.J. 1968 Phys. Rev. Lett. 21, 1701

    Google Scholar 

  • Chièze, J.P. 1987 A&A 171, 225

    Google Scholar 

  • Cesaroni, R., Wilson, T.L. 1994 A&A 281, 209

    Google Scholar 

  • Crutcher, R. 1988 in ‘Molecular Clouds in the Milky Way and Other Galaxies', eds. R.L. Dickman, R.L. Snell, J.S. Young, Springer, Heidelberg, p. 105

    Google Scholar 

  • Dame, T., Elmegreen, B.G., Cohen, R.S., Thaddeus, P. 1986 Ap. J. 305, 892

    Google Scholar 

  • Danby, G., Flower, D.R., Valiron, P., Schilke, P., Walmsley, C.M. 1988, MNRAS, 235, 229

    Google Scholar 

  • Elmegreen, B.G. 1989 Ap. J. 338, L103

    Google Scholar 

  • Falgarone, E., Phillips, T.G. 1991 in Proc. of IAU Symp. 147, ‘Fragmentation of Molecular Clouds and Star Formation', eds. E. Falgarone, F. Boulanger, G. Duvert, Kluwer, Dordrecht

    Google Scholar 

  • Fleck, R.C. 1981 Ap. J. 246, L151

    Google Scholar 

  • Flower, D.R. 1990 ‘Molecular Collisions in the Interstellar Medium', Cambridge Astrophysics Series, CUP, Cambridge.

    Google Scholar 

  • Flower, D.R., Pineau des Foret, G., Walmsley, C.M., 1994, A&A (submitted) Fukui, Y. 1991 in IAU ‘Reports on Astronomy', ed D. McNally, Kluwer, Dordrecht, p. 457

    Google Scholar 

  • Gaume, R., Claussen, M. 1990 Ap. J. 351, 538

    Google Scholar 

  • Gaume, R., Johnston, K.J., Wilson, T.L. 1992 Ap. J. 388, 489

    Google Scholar 

  • Genzel, R., Stutzki, J. 1989, ARA&A, 27, 41

    Google Scholar 

  • Genzel, R. 1993 in ‘The Galactic Interstellar Medium', Saas-Fee Advanced Course 21, eds. W.B. Burton, B.G. Elmegreen, R. Genzel, Springer Verlag, Heidelberg, p. 275.

    Google Scholar 

  • Goldsmith, P.F., Snell, R.L., Lis, D.C. 1987 Ap. J. 313, L5

    Google Scholar 

  • Goldsmith, P.F. 1988 in ‘Molecular Clouds in the Milky Way and Other Galaxies', eds. R.L. Dickman, R.L. Snell, J.S. Young, Springer, Heidelberg, p. 1

    Google Scholar 

  • Goldreich, P. Kwan, J. 1974 ApJ 189, 441

    Google Scholar 

  • Goss, W.M., Kalberla, P.M.W., Dickel, H.R. 1984 A&A 139, 317

    Google Scholar 

  • Guélin, M., Cernicharo, J. 1988 in ‘Molecular Clouds in the Milky Way and Other Galaxies', eds. R.L. Dickman, R.L. Snell, J.S. Young, Springer, Heidelberg, p. 81

    Google Scholar 

  • Hasegawa, T., Kaifu, N., Inatani, J., et al. 1984, Ap. J. 283, 117

    Google Scholar 

  • Hasegawa, T. 1986 in Proc. of IAU Symp 115, 'star Forming Regions', ed M. Peimbert and J. Jugaku, Reidel, Dordrecht, p. 123

    Google Scholar 

  • Hauschildt, H., Gästen, R., Phillips, T.G. et al. 1993 A&A 273, L23

    Google Scholar 

  • Hermsen, W., Wilson, T.L., Walmsley, C.M., Henkel, C. 1988 A&A 201, 285

    Google Scholar 

  • Hüttemeister, S., Wilson, T.L., Henkel, C., Mauersberger, R. 1993 A&A 276, 445

    Google Scholar 

  • Hüttemeister, S., Wilson, T.L., Mauersberger, R., Lemme, C., Dahmen, G., Henkel, C. 1994 A&A (submitted)

    Google Scholar 

  • Lada, C. 1985 Ann Rev A&A 23, 267

    Google Scholar 

  • Lequeux, J., Allen, R.J., Guilloteau, S. 1993 A&A 280, L23

    Google Scholar 

  • Maloney, P. 1988 Ap. J. 334, 761

    Google Scholar 

  • Martín-Pintado, J., Rodriguez-Franco, A., Bachiller, R. 1990 Ap. J. 357, L47

    Google Scholar 

  • Martín-Pintado, J., de Vincente, P., Wilson, T.L., Johnston, K.J. 1990 A&A 236, 193

    Google Scholar 

  • Mauersberger, R., Wilson, T.L., Mezger, P.G., Gaume, R., Johnston, K.J. 1992 A&A 256, 640

    Google Scholar 

  • Mangum, J., Wootten, A. 1993 Ap. J. Suppl. 88.

    Google Scholar 

  • McKee, C. 1989 Ap. J. 345, 782

    Google Scholar 

  • Mezger, P.G., Chini, R., Kreysa, E., Wink, J.E., Salter, C.J., 1988 AA 191, 44

    Google Scholar 

  • Mezger, P.G., Wink, J.E., Zylka, R. 1990 A&A 228, 95

    Google Scholar 

  • Mezger, P.G., Sievers, A.W., Haslam, C.G.T., Kreysa, E., Lemke, R., Mauersberger, R., Wilson, T. 1992 AA 256, 631

    Google Scholar 

  • Migenes, V., Johnston, K.J., Pauls, T.A., Wilson, T.L. 1989 Ap. J. 347, 294

    Google Scholar 

  • Mundy, L.G., Snell, R.L., Evans, N.J. II, Goldsmith, P.F. 1986 Ap. J., 306, 670

    Google Scholar 

  • Myers, P., Goodman, A. 1988 Ap. J. 326, L27

    Google Scholar 

  • Norman, C., Silk, J. 1980 Ap. J. 238, 158

    Google Scholar 

  • Olano, C., Walmsley, C.M., Wilson, T.L. 1986 A&A 196, 194

    Google Scholar 

  • Sanders, D., Scoville, N.Z., Solomon, P.M. 1985 Ap. J. 289, 373

    Google Scholar 

  • Scoville, N.X., Solomon, P.M. 1974 ApJ 187, L67

    Google Scholar 

  • Swade, D.A. 1989 Ap. J. 345, 828

    Google Scholar 

  • Scalo, J. 1990 in ‘Physical Processes in Fragmentation and Star Formation’ eds. R. Capuzzo-Dolcetta, C. Chiosi, A. deFazio, Kluwer, Dordrecht, p. 151

    Google Scholar 

  • Schwartz, U.J., Trolaud, T.H., Albiuson, J.S., Bregmau, J.D., Goss, W.M., Heiles, C. 1986 Ap. J. 301, 320

    Google Scholar 

  • Schilke, P., Güsten, R., Schulz, A., Serabyu, E., Walmsley, C.M. 1992 A&A 261, L5

    Google Scholar 

  • Shu, F.H., Adams, F.C., Lizauo, S. 1987, ARA&A, 25, 23

    Google Scholar 

  • Solomon, P.M., Rivolo, A.R., Barrett, J., Yahil, A. 1987 Ap. J. 730

    Google Scholar 

  • Stutzki, J., Güsten, R. 1990 Ap. J. 356, 513

    Google Scholar 

  • Tatematsu, K., Tomofumi, U., Osamu, K., et al. 1993, ApJ, 404, 643

    Google Scholar 

  • Thronsen, H., Harper, D.A. 1987 Ap. J. 300, 396

    Google Scholar 

  • van Dishoeck, E.F., Black, J. 1988 Ap. J. 334, 771

    Google Scholar 

  • Vogel, S., Genzel, R., Palmer, P. 1987 Ap. J. 316, 243

    Google Scholar 

  • Vogel, S.N., Biegiug, J.H., Plambeck, R.L. et al. 1985 Ap. J. 296, 600

    Google Scholar 

  • Walmsley, C.M., Hermseu, W., Henkel, C., Mauersberger, R., Wouterloot, J.G.A., Wilson, T.L. 1987 A&A 172, 311

    Google Scholar 

  • Walmsley, C.M., Schilke, P. 1992 in ‘Dust and Chemistry in Astronomy’ ed. T.J. Millar and D.A. Williams (in prep)

    Google Scholar 

  • Weinreb, S., Barrett, A.H., Meeks, M.L., Henry, J.C. 1963 Nature 200, 829

    Google Scholar 

  • Wilson, T.L., Johnston, K.J. 1989 Ap. J. 340, 894

    Google Scholar 

  • Wilson, T.L., Walmsley, C.M. 1989, A&AR, 1, 411

    Google Scholar 

  • Wilson, T.L. 1990 in ‘From Ground Based to space-borne-sub-mm astronomy’ Proc. of 29th Liege Int'l Astrophys. Symp., ESA SP 314, Paris, p. 279

    Google Scholar 

  • Wilson, T.L., Henkel, C., Hüttemeister, S., Dahmeu, G., Liuhart, A., Lemme, C., Schmid-Burgk, J., 1993 A&A 276, L29

    Google Scholar 

  • Wilson, T.L., Mauersberger, R. 1994 A&A 282, L41

    Google Scholar 

  • Wolfendale, A., in in ‘Molecular Clouds in the Milky Way and Other Galaxies', eds. R.L. Dickman, R.L. Suell, J.S. Young, Springer, Heidelberg, p. 76 1991

    Google Scholar 

  • Womack, M., Ziurys, L.M., Wyckoff, S. 1991, Ap. J. 370, L99

    Google Scholar 

  • vanden Bout, P.A., Loren, R.B., Suell, R.L., Wootteu, A. 1983, Ap. J., 271, 161

    Google Scholar 

  • Zhou S. Wu, Y., Evaus, N.J., II, Faller, G., Myers, P. 1989 Ap. J. 346, 168

    Google Scholar 

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Thomas L. Wilson Kenneth J. Johnston

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© 1990 Springer-Verlag

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Wilson, T.L. (1990). Molecular excitation and galactic interstellar clouds. In: Wilson, T.L., Johnston, K.J. (eds) The Structure and Content of Molecular Clouds 25 Years of Molecular Radioastronomy. Lecture Notes in Physics, vol 439. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3540586210_8

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  • DOI: https://doi.org/10.1007/3540586210_8

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