New Preprints

447.

The rich molecular content of OH231.8+4.2
C. Sánchez Contreras, V. Bujarrabal, J. Alcolea
1997, Astronomy and Astrophysics

448.

IRAS 06562-0337, the iron-clad nebula - a young star embedded in a molecular cloud
R. Bachiller, M. Pérez Gutiérrez, P. García-Lario
1997, Astronomy and Astrophysics

449.

Shock chemistry in the young bipolar outflow L1157
R. Bachiller, M. Pérez Gutiérrez
1997, Astrophys. Journal

450.

A molecular disk around the episodic jets in KjPn 8
P.J. Huggins, R. Bachiller, P. Cox, T. Forveille
1997, ApJ Letters

451.

Chemical evolution from the AGB to the planetary nebula phase
R. Bachiller
1997, in Dust and Molecules in Evolved Stars Kluwer, Dordrecht, 1997

452.

Gas and dust in the active spiral galaxy NGC 3079
J. Braine, M. Guélin, M. Dumke, N. Brouillet, F. Herpin, R. Wielebinski
1997, Astronomy and Astrophysics

453.

CN emission in Orion. the high density interface between the HII region and the molecular cloud
A. Rodríguez-Franco, J. Martín-Pintado, A. Fuente
1997, Astronomy and Astrophysics

454.

The second detection of CO at redshift larger than 4
S. Guilloteau, A. Omont, R.G. McMahon, P. Cox, P. Petitjean
1997, Astronomy and Astrophysics

455.

Measurements of the C/ C ratio in planetary nebulae and implications for stellar evolution
F. Palla, D. Galli, R. Bachiller, M. Pérez Gutiérrez
1997, in Primordial Nuclei and their Galactic Evolution eds. N. Prantzos, M. Tori, R. von Steiger, Kluwer, Dordrecht, 1997

456.

The pivotal onset of protostellar collapse: ISO's view and complementary observations
H. Wiesemeyer, R. Güsten, P. Cox, R. Zylka, M.C.H. Wright
1997, in Star Formation with the Infrared Space Observatory ed. Jaão L. Yun, Astron. Soc. of the Pacific Conference Series, San Francisco