46 citations · 193 across the 13 of their papers we have counts for
13 papers
Comprehensive spectroscopic and photometric study of pulsating eclipsing binary star AI Hya
F. Kahraman Alicavus, T. Pawar, K. G. Hełminiak +9
The pulsating eclipsing binaries are remarkable systems that provide an opportunity to probe the stellar interior and to determine the fundamental stellar parameters precisely. Esp…
Investigating the origin of optical and X-ray pulsations of the transitional millisecond pulsar PSR J1023+0038
G. Illiano, A. Papitto, F. Ambrosino +21
PSR J1023+0038 is the first millisecond pulsar that was ever observed as an optical and UV pulsar. So far, it is the only optical transitional millisecond pulsar. The rotation- and…
A proton-recoil track imaging system for fast neutrons: the RIPTIDE detector
P. Console Camprini, F. Leone, C. Massimi +7
Fast neutron detection is often based on the neutron-proton elastic scattering reaction: the ionization caused by recoil protons in a hydrogenous material constitutes the basic inf…
Discovery and origin of the radio emission from the multiple stellar system KQVel
P. Leto, L. M. Oskinova, C. S. Buemi +20
KQVel is a binary system composed of a slowly rotating magnetic Ap star with a companion of unknown nature. In this paper, we report the detection of its radio emission. We conduct…
New, late-type spectroscopic binaries with X-ray emission
A. Frasca, G. Catanzaro, I. Busà +6
In this paper we present a spectroscopic study of six double-lined binaries, five of which were recently discovered in a high-resolution spectroscopic survey of optical counterpart…
Mass transfer and tidally tilted pulsation in the Algol-type system TZ Dra
F. Kahraman Alicavus, G. Handler, F. Alicavus +6
Oscillating eclipsing Algols (oEAs) are remarkable systems which allow us to determine accurate fundamental stellar parameters (mass, radius) and probe the stellar interiors throug…
Twenty-year monitoring of the surface magnetic fields of chemically peculiar stars
M. Giarrusso, M. Cecconi, R. Cosentino +5
Magnetic chemically peculiar stars of the main sequence can present rotational periods as long as many decades. Here we report the results of an observational campaign started in 2…
The solar-like "Second Spectrum" and the polarised metal lines in emission of the post-AGB binary 89 Herculis
F. Leone, M. Gangi, M. Giarrusso +6
We studied the polarised spectrum of the post-AGB binary system 89\,Herculis on the basis of data collected with the high resolution \emph{Catania Astrophysical Observatory Spectro…
Upper limits to the magnetic field in central stars of planetary nebulae
A. Asensio Ramos, M. J. Martinez Gonzalez, R. Manso Sainz +2
More than about twenty central stars of planetary nebulae (CSPN) have been observed spectropolarimetrically, yet no clear, unambiguous signal of the presence of a magnetic field in…
A search for magnetic fields on central stars in planetary nebulae
F. Leone, R. L. M. Corradi, M. J. Martínez González +2
One of the possible mechanisms responsible for the panoply of shapes in planetary nebulae is the presence of magnetic fields that drive the ejection of ionized material during the…
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…
The ultracool dwarf DENIS-P J104814.7-395606. Chromospheres and coronae at the low-mass end of the main-sequence
B. Stelzer, J. Alcala, K. Biazzo +8
We have obtained an XMM-Newton observation and a broad-band spectrum from the ultraviolet to the near infrared with X-Shooter for one of the nearest M9 dwarfs, DENIS-P J1048-3956 (…
Multiline Zeeman Signatures Through Line Addition
M. Semel, J. C. Ramirez Velez, M. J. Martinez Gonzalez +4
In order to get a significant Zeeman signature in the polarised spectra of a magnetic star, we usually 'add' the contributions of numerous spectral lines; the ultimate goal is to r…