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24 September 2021
 
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Results 1 to 20 of 69 for query "Andrea Comastri". (0.02 sec.)

[    1    2    3    4    ]   Next
1.
The X-ray luminosity function and number counts of spiral galaxies
Piero Ranalli; Andrea Comastri; Giancarlo Setti;
23 Mar 2005
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2.
X-ray spectral analysis of optically faint sources in the Chandra Deep Fields
Francesca Civano; Andrea Comastri; Marcella Brusa;
19 Dec 2004   /  Mon.Not.Roy.Astron.Soc. 358 (2005) 693-704
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3.
A broad iron K alpha line at z=1.146
Andrea Comastri; Marcella Brusa; Francesca Civano;
19 Apr 2004   /  Mon.Not.Roy.Astron.Soc. 351 (2004) L9
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4.
X-ray number counts of star forming galaxies
Piero Ranalli; Andrea Comastri; Giancarlo Setti;
5 Apr 2004
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5.
What's wrong with AGN models for the X-ray background ?
Andrea Comastri;
29 Mar 2000
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6.
The Steep Spectrum Quasar PG1404+226 with ASCA, HST and ROSAT
Marie-Helene Ulrich; Andrea Comastri; Stefanie Komossa; Phil Crane;
12 Jul 1999
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7.
AGN models for the X and gamma-ray backgrounds
Andrea Comastri;
16 Dec 1998
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8.
ROSAT observations of radio-selected BL Lac objects
Andrea Comastri; Silvano Molendi; Gabriele Ghisellini;
27 Jun 1995
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9.
The variable ROSAT X-ray spectrum of the BL Lac 0716+714
M. Cappi; A. Comastri; S. Molendi; G.G.C. Palumbo; R. Della Ceca; T. Maccacaro;
27 Sep 1994   /  Mon.Not.Roy.Astron.Soc. 271 (1994) 438
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10.
The contribution of AGNs to the X-ray background
A. Comastri; G. Setti; G. Zamorani; G. Hasinger;
27 Sep 1994   /  Astron.Astrophys. 296 (1995) 1
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11.
The density and masses of obscured Black Holes
Andrea Comastri; Fabrizio Fiore;
2 Apr 2004   /  Astrophys.Space Sci. 294 (2004) 63-69
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12.
Compton Thick AGN: the dark side of the X-ray background
Andrea Comastri;
30 Mar 2004
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13.
Obscured accreting black holes at high redshift
A. Comastri; F. Fiore; C. Vignali; M. Brusa; F. Civano;
11 Oct 2004
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14.
X-ray bright optically quiet galaxies: the case of P3
A. Comastri; M. Brusa; P. Ciliegi; M. Mignoli; C. Vignali; P. Severgnini; R. Maiolino; F. Fiore; F. La Franca; G. Matt; G.C. Perola; A. Baldi; S. Molendi;
7 Sep 2001
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15.
Optical identification of sources from the HELLAS2XMM survey
F. Fiore; G. Matt; F. La Franca; G.C. Perola; M. Brusa; A. Comastri; M. Mignoli; P. Ciliegi; P. Severgnini; R. Maiolino; A. Baldi; S. Molendi; C. Vignali;
7 Sep 2001
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16.
The contribution of active galaxies to the far-infrared and submillimeter backgrounds
M. Brusa; A. Comastri; C. Vignali;
1 Jun 2001
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17.
The BeppoSAX High Energy Large Area Survey HELLAS, III: testing synthesis models for the X-ray background
A. Comastri; F. Fiore; C. Vignali; G. Matt; G.C. Perola; F. La Franca;
30 May 2001   /  Mon.Not.Roy.Astron.Soc. 327 (2001) 781
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18.
The BeppoSAX High Energy Large Area Survey HELLAS, II: Number counts and X-ray spectral properties
F. Fiore; P. Giommi; C. Vignali; A. Comastri; G. Matt; G.C. Perola; F. La Franca; S. Molendi; F. Tamburelli; L.A. Antonelli;
30 May 2001   /  Mon.Not.Roy.Astron.Soc. 327 (2001) 771
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19.
Constraining the black hole mass and accretion rate in the narrow-line Seyfert 1 RE J1034+396
E.M. Puchnarewicz; K.O. Mason; A. Siemiginowska; A. Fruscione; A. Comastri; F. Fiore; I. Cagnoni;
21 Nov 2000
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20.
BeppoSAX observations of Narrow-Line Seyfert 1 galaxies: II. Ionized iron features in Arakelian 564
A.Comastri; G.M. Stirpe; C. Vignali; W.N. Brandt; K.M. Leighly; F. Fiore; M. Guainazzi; G. Matt; F. Nicastro; E.M. Puchnarewicz; A. Siemiginowska;
24 Oct 2000
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