Preprints pervenuti all'OAPA nelle ultime settimane:

1) Arcetri astrophysics preprints

- Galactic evolution of D and 3He
  Daniele Galli et al.
  N. 20/94

- Papers to appear in: The Physics of the interstellar medium 
  and intergalactic medium, PASP Conf.:

  The structure of optical stellar jets: a phenomenological
  analysis
  F. Bacciotti, C. Chiuderi, E. Oliva

- Acoustic and thermoreactive instabilities in a photoionized
  multiphase medium
  A. Ferrara and E. Corbelli

  Light elements and molecular evolution in the post-
  recombination universe
  F. Palla

  Dust scattered quasars in distant radio galaxies: clues on
  the ISM and a test of the EEP
  S. di Serego Alighieri et al.
  N. 22/94

- Geometric description of chaos in self-gravitating systems
  Monica Cerruti-Sola and Marco Pettini
  N. 23/94

2) Wisconsin Astrophysics preprints

- Observations and analysis of O(1D) and NH2 line profiles for
  the coma of comet P/Halley
  William H. Smyth et al.
  N. 545

- Diffuse optical emission lines as probes of the interstellar
  and intergalactic ionizing radiation
  R.J. Reynolds
  N. 546

- A multi-line, multi-resolution VLA study of the ultracompact
  H II region G29.96-0.02
  A. Afflerback et al.
  N. 547

- Polarization from scattering in blobs
  Arthur D. Code and Barbara A. Whitney
  N. 548

- Dwarf spheroidal galaxies: keystones of galaxy evolution
  John S. Gallagher, III and Rosemary Wyse
  N. 549

- Probing the galactic disk and halo: metal abundances in the
  magellanic stream
  Limin Lu et al.
  N. 550

- Gas-phase abundances and conditions along the sight line to
  the low-halo, inner-galaxy star HD 167756
  Jason A. Cardelli et al.
  N. 551

3) Milano preprint series in Astrophysics

- A unified relativistic beaming model for BL Lac objects and
  flat sepctrum radio quasars
  L. Maraschi and F. Rovetti
  N. 134
  
- The selection of filters for reduction of optical 
  contamination in astronomical CCD X-ray images
  N. La Palombara et al.
  N. 135

- Continuum power spectrum components in X-ray sources:
  detailed modelling and search for coherent periodicities
  L. Stella et al.
  N. 136

- Isolated neutron stars throughout the electromagnetic spectrum
  Patrizia A. Caraveo
  N. 137

- The XMM observatory
  K.O. Mason et al.
  N. 138

- Radio pulsar and accretion regimes of rapidly rotating
  magnetic neutron stars in early-type eccentric binaries
  S. Campana et al.
  N. 139

4) Astronomische Institute der Universität Bonn preprints

- The soft X-ray background towards the high-velocity cloud
  complex M
  U. Herbmeister et al.
  N. 94-16

- Gas motions in and origin of the supergiant shell LMC 4
  H. Domgörgen et al.
  N. 94-17

- Hot subluminous stars at high galactic latitudes V. UV spectra
  of binary and peculiar hot subdwarf stars
  A. Theissen et al.
  N. 94-18

5) Bologna Astrophysics preprints

- Five papers presented at the meeting "The formation of the
  Milky Way"
  N. 11-1994-37

- Evolution of WR ring nebulae generated by moving central
  stars I. The paradigm of G2.4+1.4
  F. Brighenti and A. D'Ercole
  N.12-1994-38

6) Catania Astrophysics preprints

- Lithium and the nature of brown dwarf candidates
  R. Rebolo et al.
  N. 17/1994

- Photometry of cool stars detected in extreme-ultraviolet
  (EUV) all-sky surveys
  G. Cutispoto et al.
  N. 18/1994

7) MPE preprints

- X-raying the interstellar medium: ROSAT observations of
  dust scattering halos
  Peter Predehl and Jürgen H.M.M. Schmitt
  N. 292

- The contribution of AGNs to the X-ray background
  A. Comastri et al.
  NN. 298

8) Padova and Asiago Observatories Technical Reports

- 9500-3200 Å atlas for the Asiago Echelle + CCD spectrograph
  Ulisse Munari e Tomas Zwitter
  T.N. n. 4

- The new Handling System of the "Copernico" B & C spectrograph
  Chiomento V. e Traverso L.
  T.N. n. 5

  Telescopio Nazionale Galilei

- Optics for the TNG rotator/adapter
  R. Ragazzoni
  T.N. n. 39

- Active spectrographs: using the Shack-Hartmann principle to
  improve their quality
  R. Bathia, A. Ciani
  T.N. n. 40

- TNG instrument plan: II  a progress report
  F. Fusi Pecci et al.

9) Altri preprints 

- On the comparison of filter magnetographs and the advanced
  Stokes polarimeter
  Harold Zirin
  Big Bear Solar Observatory preprint N. 367

- Does a non-magnetic solar chromosphere exist?
  M. Carlsson and R.F. Stein
  Institute of Theoretical Astrophysics, Oslo, preprint N.21