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Featured researches published by R. P. Saglia.


The Astrophysical Journal | 1993

Stellar dynamical evidence for dark halos in elliptical galaxies - The case of NGC 4472, IC 4296, and NGC 7144

R. P. Saglia; G. Bertin; F. Bertola; J. Danziger; Herwig Dejonghe; Elaine M. Sadler; Massimo Stiavelli; P. T. de Zeeuw; Ww Zeilinger

Extended and accurate major axis kinematical profiles and line strength gradients of the elliptical galaxies NGC 4472, IC 4296, and NGC 7144 have been measured using the ESO NTT in the EMMI long-slit spectroscopic mode. For NGC 7144 the stellar rotation curve and velocity dispersion profile extend to 75″ from the center (where the surface brightness is 24.4 B-mag arcsec −2 , 2.8 mag below the sky), with typical error bars of 10 km s −1 . The flat or slowly increasing velocity dispersion profiles of these galaxies indicate that massive dark halos might dominate their dynamics


Astronomy & Astrophysics Supplement Series | 1996

The distribution of ionized gas in early-type galaxies. II. The velocity field of the ionized gas

Werner W. Zeilinger; A. Pizzella; Paola Amico; G. Bertin; F. Bertola; L. M. Buson; I. J. Danziger; Herwig Dejonghe; Elaine M. Sadler; R. P. Saglia; P. T. de Zeeuw


Astronomy and Astrophysics | 1994

A search for dark matter in elliptical galaxies: radially extended spectroscopie observations for 6 objects

G. Bertin; F Bertola; Lm Buson; I. J. Danziger; Herwig Dejonghe; Elaine M. Sadler; R. P. Saglia; Pt De Zeeuw; Ww Zeilinger


Astronomy and Astrophysics | 1994

A SEARCH FOR DARK-MATTER IN ELLIPTIC GALAXIES - RADIALLY EXTENDED SPECTROSCOPIC OBSERVATIONS FOR 6 OBJECTS.

G. Bertin; F Bertola; Lm Buson; I. J. Danziger; Herwig Dejonghe; Elaine M. Sadler; R. P. Saglia; Pt Dezeeuw; Ww Zeilinger


Astronomy and Astrophysics | 1997

THE DISTRIBUTION OF IONIZED GAS IN EARLY-TYPE GALAXIES. III. M/L DETERMINATIONS BASED ON TRIAXIAL MODELS

A. Pizzella; Paola Amico; F. Bertola; Lm Buson; I. J. Danziger; Herwig Dejonghe; Elaine M. Sadler; R. P. Saglia; Pt Dezeeuw; Ww Zeilinger


Proceedings of Sesto Val Pusteria Conference, 1997 | 1997

Dark matter in elliptical galaxies: 3-integral modeling

R. P. Saglia; Mariangela Bernardi; F Bertola; A. Pizzella; Lm Buson; Veronique De Bruyne; Herwig Dejonghe; Ww Zeilinger


The Messenger | 1996

The distribution of ionized gas in early-type galaxies

Ww Zeilinger; Paola Amico; G. Bertin; F Bertola; Lm Buson; I. J. Danziger; Herwig Dejonghe; A. Pizzella; Elaine M. Sadler; R. P. Saglia; Pt De Zeeuw


Archive | 1996

Ionized gas velocity in 6 galaxies (Zeilinger+ 1996)

Werner W. Zeilinger; A. Pizzella; Paola Amico; G. Bertin; F. Bertola; L. M. Buson; I. J. Danziger; Herwig Dejonghe; Elaine M. Sadler; R. P. Saglia; P. T. de Zeeuw


Archive | 1996

The distribution of ionised gas in early-type galaxies.

Werner W. Zeilinger; Paola Amico; G. Bertin; F. Bertola; L. M. Buson; I. J. Danziger; Herwig Dejonghe; A. Pizzella; Elaine M. Sadler; R. P. Saglia; P. T. de Zeeuw


Dynamics of Elliptical Galaxies, ed. L. Aguilar, p. 188 | 1995

Shape of line profiles and dark matter in E galaxies

Lm Buson; Mariangela Bernardi; F Bertola; A. Pizzella; G. Bertin; Massimo Stiavelli; Herwig Dejonghe; R. P. Saglia; Ww Zeilinger

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G. Bertin

Scuola Normale Superiore di Pisa

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I. J. Danziger

European Southern Observatory

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Ww Zeilinger

European Southern Observatory

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Paola Amico

European Southern Observatory

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