OSSERVATORIO ASTRONOMICO DI PALERMO GIUSEPPE S. VAIANA

ATTIVITA` SCIENTIFICA

Palermo Astronomy Preprints

1997


  1. An X-ray Study of the PMS Population of the Upper Sco-Cen Association . S. Sciortino, F. Damiani, F. Favata, G. Micela, A&A, in press. (Preprint N. 15/97)
  2. Evolution of X-ray activity of 1-3 solar masses late-type stars in early post-main-sequence phases . N. Pizzolato, A. Maggio, S. Sciortino (to appear in the Proceedings of "Cool stars, stellar systems, & the Sun" Cambridge workshop, Cambridge 15-19 July 1997)(Preprint N. TBD/97)
  3. Simulating the source parameter recovery capability from coronal X-ray spectra: the SAX/LECS and the ASCA/SIS cases . F. Favata, A. Maggio, G. Peres, S. Sciortino (to appear in the Proceedings of "Cool stars, stellar systems, & the Sun" Cambridge workshop, Cambridge 15-19 July 1997)(Preprint N. TBD/97)
  4. X-ray Flare Light Curves and Dimensions of the Flaring Regions . S. Serio, F. Reale, R. Betta, G. Peres, J. McTiernan (to appear in the Proceedings of "Cool stars, stellar systems, & the Sun" Cambridge workshop, Cambridge 15-19 July 1997)(Preprint N. TBD/97)
  5. X-ray variability in Rosat observations of M stars . A. Marino, G. Micela and G. Peres (to appear in the Proceedings of "Cool stars, stellar systems, & the Sun" Cambridge workshop, Cambridge 15-19 July 1997)(Preprint N. TBD/97)
  6. Solar-stellar connection: Relevance of Yohkoh data , S. Orlando, G. Peres, F. Reale, R. Rosner, H. Hudson (to appear in the Proceedings of "Cool stars, stellar systems, & the Sun" Cambridge workshop, Cambridge 15-19 July 1997)(Preprint N. TBD/97)
  7. X-ray spectroscopy of the active giant Beta Ceti: the SAX/LECS view . A. Maggio, F. Favata, G. Peres, S. Sciortino 1998 A&A 139, 330 (Preprint N. 13/97)
  8. On the coronal abundances derived with the SAX-LECS and ASCA-SIS detectors . F. Favata, A. Maggio, G. Peres, S. Sciortino 1997 A&A 326, 101 (ESLAB Preprint N. 97/TBD)
  9. Flows of Mass, Momentum and Energy in the Solar Atmosphere; a SOHO-Oriented View of Cold Loops . G. Peres (to appear in the Proceedings of the Fifth SOHO Workshop on "The Corona and Solar Wind near Minimum Activity" (ESA SP-404) (Preprint N. 12/97)
  10. SOHO Observations of the North Polar Solar Wind , G. Peres, A. Ciaravella, R. Betta, S. Orlando, F. Reale, J. Kohl, G. Noci, S. Fineschi, M. Romoli, P. Brekke, A. Fludra, J.B. Gurman, P. Lemaire, U. Schuhle (to appear in the Proceedings of the Fifth SOHO Workshop on "The Corona and Solar Wind near Minimum Activity" (ESA SP-404)) (Preprint N. 12/97)
  11. Intensity and Velocity Variations in Transition Region Lines Observed with SUMER , R. Betta, V. Hansteen, M. Carlsson, K. Wilhelm (to appear in the Proceedings of the Fifth SOHO Workshop on "The Corona and Solar Wind near Minimum Activity" (ESA SP-404)) (Preprint N. 12/97)
  12. Alfvènic fluctuations in fast and slow solar winds . S. Orlando, Y.-Q. Lou, G. Peres, and R. Rosner (to appear in the Journal of Geophysical Research) (Preprint N. 11/97)
  13. The Sun as an X-Ray Star: Overview of the Method . G. Peres, S. Orlando, F, Reale, R. Rosner and H. Hudson (to appear in Observational Plasma Astrophysics: Five Years of YOHKOH and Beyond) (Preprint N. 10/97)
  14. A SAX/LECS X-ray observation of the active binary Capella . F. Favata, R. Mewe, N. S., Brickhouse, R. Pallavicini, G. Micela, and A. K. Dupree to appear in Astronomy and Astrophysics (ESLAB Preprint N. 97/XX)
  15. On the widespread Weak-Line T-Tauri population detected in the ROSAT All-Sky Survey . F. Favata, G. Micela, S.Sciortino, to appear in Astronomy and Astrophysics (ESLAB Preprint N. 97/XX)
  16. On the comparison between spectroscopic and photometric metallicity measurements in active solar-type stars . F. Favata, G.Micela, S.Sciortino, F. Morale to appear in Astronomy and Astrophysics (ESLAB Preprint N. 97/XX)
  17. La Societa' degli Spettroscopisti Italiani e la fondazione di "The Astrophysical Journal" nelle lettere di G. E. Hale a P. Tacchini . I. Chinnici to appear in Atti del XVI Congresso di Storia della Fisica e dell'Astronomia, Como, 24-25 maggio 1996 (Preprint N. 9/97)
  18. Le voyage scientifique de George Rayet en Italie et la fondation de l'Observatoire de Bordeaux . I. Chinnici to appear in Actes du 121eme Congres National des Societes Historiques et Scientifiques, Nice, 26-31 octobre 1996 (Preprint N. 8/97)
  19. Hipparcos distances of X-ray selected stars: implications on their nature as stellar population G. Micela, F. Favata, S.Sciortino to appear in Astronomy and Astrophysics (Preprint N. 7/97)
  20. Determination of the length of coronal loops from the decay of X-ray flares - I. Solar flares observed with Yohkoh SXT. F. Reale, R. Betta, G. Peres, S. Serio, J. McTiernan to appear in Astronomy and Astrophysics (Preprint N. 6/97)
  21. The X-ray Coronal Emission of Lambda Andromedae Observed with ASCA and ROSAT . A. Ortolani, A. Maggio, R. Pallavicini, S. Sciortino, J.J. Drake, S.A. Drake 1997 A&A 325, 664 (Preprint N. 5/97)
  22. Loop Modeling of Coronal X-ray Spectra. IV. One- and two-loop model fitting of ROSAT PSPC spectra: three test cases - A. Maggio and G. Peres 1997 A&A 325, 237 (Preprint N. 4/97)
  23. The [Fe/H] distribution of a volume limited sample of solar-type stars and it s implications for Galactic chemical evolution F. Favata, G. Micela, S. Sciortino (to appear in Astronomy and Astrophysics) (ESLAB Preprint N. 96/216)
  24. A Method Based on Wavelet Transforms for Source Detection in Photon-Counting-Detector Images. II: Application to ROSAT PSPC Images (text). F. Damiani, A. Maggio, G. Micela, and S. Sciortino, 1997 ApJ 483, 350 - Figures 1-11 (516 kb), Figures 12-15 (1137 kb) (Preprint N. 3/97) Abstract
  25. A Method Based on Wavelet Transforms for Source Detection in Photon-Counting-Detector Images. I: Theory and General Properties. F. Damiani, A. Maggio, G. Micela, and S. Sciortino, 1997, ApJ 483, 370 (Preprint N. 2/97) Abstract
  26. Effects of interference and oxidation on the UV/visible rejection properties of filters for soft x-ray detectors M. Barbera, A. Collura, A. Dara, M. Leone, F.R. Powell, S. Serio, S. Varisco, M.V. Zombeck (to appear in Experimental Astronomy) (Preprint N. 1/97)