Gas-grain chemistry and the HCN/CO abundance ratio in the nucleus of NGC 1068

Astronomy and Astrophysics

Volumn 307, Issue 1, 1996, Pages 52-60

  Shalabiea, Osama M ^a,b   Greenberg, J Mayo ^a  

^a Sterrewacht Leiden   (Netherlands)

^b CAIRO UNIVERSITY   (Egypt)

Author keywords

Dust galaxies: abundances; Galaxies: individual: NGC 1068; Galaxies: ISM; Galaxies: Seyfert; Molecular processes

Indexed keywords

EID: 0039820667     PISSN: 00046361     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (44)

1. Antonucci, R.R.J. & Miller, J.S., 1985, ApJ 297,621
2. Balick, B., & Heckman, T.M., 1985, AJ 90,197
3. Barthel P.D., 1989, ApJ 336,606
4. Blake, G.A., Sutton, E.C. Massen, C.R. & Phillips, T.G. 1987, ApJ, 315,621
5. Blake, G.A., Sandell, G., van Dishoeck, E.F., Groesbeck, T.D., Mundy, L. G., & Aspin, A. 1995, ApJ, in press
6. Blietz, M., Cameron, M., Drapatz, S., et al., 1994, ApJ, 421,92
7. Braatz, J.A., Wilson, A.S., Gezri, D.Y., Varosi, F., & Beichman, C.A., 1993 ApJ, 409,L5
8. Cameron, M., Storey, J.W.V., Rotaciuc, V., et al. 1993, ApJ 419,136
9. Cardelli, J.A., Mathis, J.S., Ebbets, D.C., Savage, B.D., 1993, ApJ 402,L17
10. Charnley, S.B., Teilens, A.G.G.M., Millar, T.J., 1992, ApJ 399,L71
11. Dalgarno, A., 1995, private communication
12. Evans, I.N., Ford, H.C., Kinney, A.L., Antonucci, R.R.J., Armus, L. & Caganoff, S., 1991, ApJ 369, L27
13. Farquhar P.R.A., Millar T.J., 1992, CCP7 Newsletter No. 18, p.6
14. Gredel, R., Lepp, S., Dalgarno, A., & Herbst, E., 1989, ApJ 347,289
15. Greenberg, J.M., 1971, A&A 12, 240
16. Greenberg, J.M., 1991 In: Cosmic Rays, Supernovae and Interstellar Medium (eds. M.M. Shapiro et al.), Dordrecht, Kluwer, P. 57
17. Greenberg, J.M., & Li, A. (1995) In: The Opacity of Spiral Disks, eds. J.I. Davies and D. Burstein), Dordrecht, Kluwer, in press.
18. Jackson, J.M., Paglione, T.A.D., Ishizuki, S., & Nguyen-Q-Rieu, 1993, ApJ 418, L13
19. Jansen, D.J., van Dishoeck, E.F., Black, J.H., Spaans, M., Sosin, C., 1995, A&A in press
20. Lynds R., Faber S.M., Groth, E.J., et al., 1991, ApJ, 369, L31
21. Marshall, F.E., Netzer, H., Arnuad, K.A., et al. 1993, ApJ, 405,168
22. Millar, T.J., 1995, private communication
23. Millar T.J., Rawlings J.M.C., Bennet A., Brown, P.D., Charnley S.B., 1991, A&AS, 87, 585 (1991)
24. Miller, J.S., & Goodrich, R.W., 1990, ApJ 355,456
25. Pineau des Forêts, G., Roueff, E. & Flower, D.R., 1990, MNRAS, 244,668
26. Planesas, P., Scoville, N.Z., & Myers, S.T., 1991, ApJ 369,364
27. Pogge R.W., 1988, ApJ 328,519
28. _, 1989, ApJ 345,730
29. Prasad S.S., & Tarafdar, S.P., 1983, ApJ 267, 603
30. Rotaciuc V., Krabbe A., Cameron M., et al., 1991, ApJ 370, L23
31. Savage B.D., Cardelli J.A., & Sofia U.J., 1992, ApJ 401, 706
32. Seyfert C.K., 1943 ApJ 97, 28
33. Shalabiea O.M., Greenberg J.M., 1994, A&A 290, 266
34. _ 1995, A&A 296, 779
35. Sternberg A., Dalgarno A., 1995 ApJS 99, 565
36. Sternberg A., Dalgarno, A. & Lepp, S., 1987 ApJ 320,676
37. Sternberg A., Genzel R., & Tacconi L., 1994 ApJ 436,L131
38. Sundstörm G., Mowat J.R., Danared H., et al., 1994, Scince 263, 785
39. Tacconi L.J., Genzel R., Blietz M., et al., 1994, ApJ 426, L77
40. van Dishoeck, E.F. 1988, in Millimetre and Submillimetre Astronomy, ed. W.B. Burton & R.D. Wolstencroft (Dordrecht: Kluwer) p. 117
41. van Dishoeck, E.F. & Blake G. A., 1995 Ap&SS 244, 237
42. van Dishoeck, E.F., Blake, G.A., Draine, B.T. and Lunine, J.I. (1993) in Protostars and Planets III,eds. Levy, E.H. and Lunine, J.I. (Univ. of Arizona press) p. 163.
43. Winnewisser, G. & Herbst, E. 1987 Organic Geo- and Cosmochimestry, Vol. 139, p119, Topics in Current Chemistry, Springer-Verlag, Berlin.
44. Whittet D.C.B., 1992, Dust in the Galactic Environment. IOP Publ., London