Publications (41)
Characterization of the K2-38 planetary system. Unraveling one of the densest planets known to date
B. Toledo-Padrón, C. Lovis, A. Suárez Mascareño +90
We characterized the transiting planetary system orbiting the G2V star K2-38 using the new-generation echelle spectrograph ESPRESSO. We carried out a photometric analysis of the av…
Conceptual Opto-Mechanical design of SHARP: a near-infrared multi-mode spectrograph conceived for the next-generation telescopes
H. Mahmoodzadeh, P. Saracco, P. Conconi +18
The next generation of Extremely Large Telescopes (ELTs), with their wide apertures and advanced Multi-Conjugate Adaptive Optics (MCAO) systems, will provide unprecedented sharp an…
First optical validation of a Schwarzschild Couder telescope: the ASTRI SST-2M Cherenkov telescope
E. Giro, R. Canestrari, G. Sironi +10
The Cherenkov Telescope Array (CTA) represents the most advanced facility designed for Cherenkov Astronomy. ASTRI SST-2M has been developed as a demonstrator for the Small Size Tel…
The ASTRI Project: a mini-array of dual-mirror small Cherenkov telescopes for CTA
N. La Palombara, G. Agnetta, L. A. Antonelli +76
ASTRI is a flagship project of the Italian Ministry of Education, University and Research, which aims to develop an end-to-end prototype of the CTA small-size telescope. The propos…
Multiband Photometry of the Blazar PKS 0537-441: A Major Active State in December 2004 - March 2005
A. Dolcini, S. Covino, A. Treves +18
Multiband VRIJHK photometry of the Blazar PKS 0537-441 obtained with the REM telescope from December 2004 to March 2005 is presented. A major period of activity is found with more…
PAOLO: a Polarimeter Add-On for the LRS Optics at a Nasmyth focus of the TNG
S. Covino, E. Molinari, P. Bruno +10
We describe a new polarimetric facility available at the Istituto Nazionale di AstroFisica / Telescopio Nazionale Galileo at La Palma, Canary islands. This facility, PAOLO (Polarim…
ESPRESSO@VLT -- On-sky performance and first results
F. Pepe, S. Cristiani, R. Rebolo +97
ESPRESSO is the new high-resolution spectrograph of ESO's Very-Large Telescope (VLT). It was designed for ultra-high radial-velocity precision and extreme spectral fidelity with th…
Expected performance of the ASTRI-SST-2M telescope prototype
C. Bigongiari, F. Di Pierro, C. Morello +81
ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) is an Italian flagship project pursued by INAF (Istituto Nazionale di Astrofisica) strictly linked to the developme…
Final performances of the X-ray Mirrors of the JET-X telescope
E. Poretti, S. Campana, O. Citterio +10
The Joint European Telesscope (JET-X) is one of the core scientific instruments of the SPECTRUM-X-Gamma mission. JET-X was designed to study X-ray emissions in the band 0.3-10 KeV.…
Simulating the WFXT sky
P. Tozzi, J. Santos, H. Yu +9
We investigate the scientific impact of the Wide Field X-ray Telescope mission. We present simulated images and spectra of X-ray sources as observed from the three surveys planned…
A new concept and a preliminary design for a high resolution (HR) and very-high resolution (VHR) spectrograph for the LBT
F. M. Zerbi, P. Spano', P. Conconi +4
A way to fully exploit the large collecting area of modern 8-10m class telescopes is high resolution spectroscopy. Many astrophysical problems from planetary science to cosmology b…
REM near-IR and optical multiband observations of PKS2155-304 in 2005
A. Dolcini, F. Farfanelli, S. Ciprini +23
Spectral variability is the main tool for constraining emission models of BL Lac objects. By means of systematic observations of the BL Lac prototype PKS 2155-304 in the infrared-o…
Analytical computation of the off-axis Effective Area of grazing incidence X-ray mirrors
D. Spiga, V. Cotroneo, S. Basso +1
Focusing mirrors for X-ray telescopes in grazing incidence, introduced in the 70s, are characterized in terms of their performance by their imaging quality and effective area, whic…
REM observations of GRB 060418 and GRB 060607A: the onset of the afterglow and the initial fireball Lorentz factor determination
E. Molinari, S. D. Vergani, D. Malesani +32
Gamma-ray burst (GRB) emission is believed to originate in highly relativistic fireballs. Currently, only lower limits were securely set to the initial fireball Lorentz factor Gamm…
First light of BEaTriX, the new testing facility for the modular X-ray optics of the ATHENA mission
S. Basso, B. Salmaso, D. Spiga +35
The Beam Expander Testing X-ray facility (BEaTriX) is a unique X-ray apparatus now operated at the Istituto Nazionale di Astrofisica (INAF), Osservatorio Astronomico di Brera (OAB)…
ESPRESSO: The next European exoplanet hunter
F. Pepe, P. Molaro, S. Cristiani +55
The acronym ESPRESSO stems for Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations; this instrument will be the next VLT high resolution spectrograph. T…
XIAO: a soft X-ray telescope for the SVOM Mission
S. Mereghetti, A. De Luca, M. Fiorini +23
The study of Gamma-ray bursts (GRBs) is a key field to expand our understanding of several astrophysical and cosmological phenomena. SVOM is a Chinese-French Mission which will per…
Halpha rotation curves: the soft core question
D. Marchesini, E. D'Onghia, G. Chincarini +4
We present high resolution Halpha rotation curves of 4 late-type dwarf galaxies and 2 low surface brightness galaxies (LSB) for which accurate HI rotation curves are available from…
Soft Cores in Late-Type Dwarf and LSB Galaxies from HαObservations
D. Marchesini, E. D'Onghia, G. Chincarini +4
We present high spatial resolution Hαrotation curves of late-type dwarf and LSB galaxies. From our analysis we find good agreement between our Hαdata and the HI observations take…
A wide field X-ray telescope for astronomical survey purposes: from theory to practice
P. Conconi, S. Campana, G. Tagliaferri +5
X-ray mirrors are usually built in the Wolter I (paraboloid-hyperboloid) configuration. This design exhibits no spherical aberration on-axis but suffers from field curvature, coma…
CTA contributions to the 33rd International Cosmic Ray Conference (ICRC2013)
The CTA Consortium, :, O. Abril +1102
Compilation of CTA contributions to the proceedings of the 33rd International Cosmic Ray Conference (ICRC2013), which took place in 2-9 July, 2013, in Rio de Janeiro, Brazil
The commissioning phase
F. Bortoletto, S. Benetti, G. Bonanno +34
In May 1997 a consistent part of the services and structures committed to the industry had already been released to the commissioning group. The telescope itself was, with the exce…
ESPRESSO high resolution transmission spectroscopy of WASP-76b
H. M. Tabernero, M. R. Zapatero Osorio, R. Allart +87
Aims. We report on ESPRESSO high-resolution transmission spectroscopic observations of two primary transits of the highly-irradiated, ultra-hot Jupiter-size planet WASP-76b. We inv…
X-shooter, the new wide band intermediate resolution spectrograph at the ESO Very Large Telescope
Joel Vernet, H. Dekker, S. D'Odorico +87
X-shooter is the first 2nd generation instrument of the ESO Very Large Telescope(VLT). It is a very efficient, single-target, intermediate-resolution spectrograph that was installe…
A precise architecture characterization of the Men planetary system
M. Damasso, A. Sozzetti, C. Lovis +97
The bright star Men was chosen as the first target for a radial velocity follow-up to test the performance of ESPRESSO, the new high-resolution spectrograph at the ESO's Very-…
Challenging GRB models through the broadband dataset of GRB060908
S. Covino, S. Campana, M. L. Conciatore +37
Context: Multiwavelength observations of gamma-ray burst prompt and afterglow emission are a key tool to disentangle the various possible emission processes and scenarios proposed…
The dual-mirror Small Size Telescope for the Cherenkov Telescope Array
G. Pareschi, G. Agnetta, L. A. Antonelli +111
In this paper, the development of the dual mirror Small Size Telescopes (SST) for the Cherenkov Telescope Array (CTA) is reviewed. Up to 70 SST, with a primary mirror diameter of 4…
Simbol-X Hard X-ray Focusing Mirrors: Results Obtained During the Phase A Study
G. Tagliaferri, S. Basso, G. Borghi +16
Simbol-X will push grazing incidence imaging up to 80 keV, providing a strong improvement both in sensitivity and angular resolution compared to all instruments that have operated…
SHARP -- A spectrograph proposal to fully exploit ELT capabilities and look beyond JWST
P. Saracco, P. Conconi, C. Arcidiacono +47
The Extremely Large Telescopes (ELTs), with their large apertures and cutting-edge Multi-Conjugate Adaptive Optics (MCAO) systems, promise to deliver data that is both sharper and…
SHARP: Beyond JWST -- Revealing the galaxy birth and growth with the resolution of the ELT
P. Saracco, P. Conconi, C. Arcidiacono +37
A deep understanding of the life-cycle of galaxies, particularly those of high mass, requires clarifying the mechanisms that regulate star formation (SF) and its abrupt shutdown (q…
First detection of the Crab Nebula at TeV energies with a Cherenkov telescope in a dual-mirror Schwarzschild-Couder configuration: the ASTRI-Horn telescope
S. Lombardi, O. Catalano, S. Scuderi +89
We report on the first detection of very high-energy (VHE) gamma-ray emission from the Crab Nebula by a Cherenkov telescope in dual-mirror Schwarzschild-Couder (SC) configuration.…
The afterglow onset for GRB060418 and GRB060607A
S. Covino, S. D. Vergani, D. Malesani +32
Gamma-ray burst are thought to be produced by highly relativistic outflows. Although upper and lower limits for the outflow initial Lorentz factor are available, observation…
Structural, thermal and optical tolerance analysis of SHARP, a near infrared spectrograph for next generation telescope
H. Mahmoodzadeh, P. Saracco, I. DI Antonio +15
The design and verification of cryogenic near-infrared spectrographs require rigorous multidisciplinary analyses to ensure optical performance under realistic operational condition…
Towards the ASTRI mini-array
F. Di Pierro, C. Bigongiari, C. Morello +77
The Cherenkov Telescope Array (CTA) will consist of an array of three types of telescopes covering a wide energy range, from tens of GeV up to more than 100 TeV. The high energy se…
ORIGIN: Metal Creation and Evolution from the Cosmic Dawn
J. W. den Herder, L. Piro, T. Ohashi +156
ORIGIN is a proposal for the M3 mission call of ESA aimed at the study of metal creation from the epoch of cosmic dawn. Using high-spectral resolution in the soft X-ray band, ORIGI…
Simultaneous Swift and REM monitoring of the blazar PKS0537-441 in 2005
E. Pian, P. Romano, A. Treves +24
The blazar PKS0537-441 has been observed by Swift between the end of 2004 and November 2005. The BAT monitored it recurrently for a total of 2.7 Ms, and the XRT and UVOT pointed it…
SHARP -- A near-IR multi-mode spectrograph conceived for MORFEO@ELT
P. Saracco, P. Conconi, C. Arcidiacono +50
The Extremely Large Telescopes (ELTs), thanks to their large apertures and cutting-edge Multi-Conjugate Adaptive Optics (MCAO) systems, promise to deliver sharper and deeper data e…
The ASTRI Mini-Array Science Case
S. Vercellone, G. Agnetta, L. A. Antonelli +77
ASTRI is a Flagship Project financed by the Italian Ministry of Education, University and Research, and led by INAF, the Italian National Institute of Astrophysics. Within this fra…
Revisiting Proxima with ESPRESSO
A. Suárez Mascareño, J. P. Faria, P. Figueira +88
We aim to confirm the presence of Proxima b using independent measurements obtained with the new ESPRESSO spectrograph, and refine the planetary parameters taking advantage of its…
FAVOR (FAst Variability Optical Registration) -- A Two-telescope Complex for Detection and Investigation of Short Optical Transients
G. Beskin, V. Bad'in, A. Biryukov +25
An astronomical complex intended to detect optical transients (OTs) in a wide field and follow them up with high time resolution investigation is described.
A rapid and dramatic outburst in Blazar 3C 454.3 during May 2005 - Optical and infrared observations with REM and AIT
L. Fuhrmann, A. Cucchiara, N. Marchili +18
The flat-spectrum radio quasar 3C 454.3 is well known to be a highly active and variable source with outbursts occurring across the whole electromagnetic spectrum over the last dec…