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View article: Spectroscopic insights into the near-earth didymos-dimorphos binary system following the double asteroid redirection test (DART) mission impact
Spectroscopic insights into the near-earth didymos-dimorphos binary system following the double asteroid redirection test (DART) mission impact Open
On 26th September 2022, NASA's Double Asteroid Redirection Test (DART) mission actively impacted the small moon Dimorphos of the Didymos-Dimorphos binary asteroid system. The impact caused a variation of about 33 minutes in its orbital per…
View article: T CrB: Overview of the accretion history, Roche-lobe filling, orbital solution, and radiative modeling
T CrB: Overview of the accretion history, Roche-lobe filling, orbital solution, and radiative modeling Open
Context. Expectations for an imminent new outburst of the recurrent symbiotic nova T CrB are mounting, initiated by the discovery in 2015 of a new enhanced mass-transfer phase (SAP), which is reminiscent of the one preceding the last recor…
View article: Departures from standard disc predictions in intensive ground-based monitoring of three AGNs
Departures from standard disc predictions in intensive ground-based monitoring of three AGNs Open
We present ground-based multiband light curves of the AGN Mrk 509, NGC 4151, and NGC 4593 obtained contemporaneously with Swift monitoring. We measure cross-correlation lags relative to Swift UVW2 (1928 Å) and test the standard prediction …
View article: Spectroscopy of Dynamically New and Long Period Comets from TelescopioNazionale Galileo
Spectroscopy of Dynamically New and Long Period Comets from TelescopioNazionale Galileo Open
Comets are some of the oldest objects in our solar system and are often seen as remnants from its formation. The nuclei of comets are thought to have formed inward in the solar system, in the giant planets’ region, where ice can easily for…
View article: Visible Spectroscopic Characterization of Eight Binary Near-Earth Asteroids
Visible Spectroscopic Characterization of Eight Binary Near-Earth Asteroids Open
Introduction Near-Earth asteroids (NEAs) are asteroids with perihelion distances < 1.3 AU, whose orbits bring them close to Earth (Kokhirova and Babadzhanov 2023). They provide a unique sample of Solar System material, often transported to…
View article: ASIACO: Asiago Spectroscopy and Imaging Atlas of COmets
ASIACO: Asiago Spectroscopy and Imaging Atlas of COmets Open
The ASIACO project is an atlas of cometary imaging and spectroscopy obtained from the Asiago Astrophysical Observatory between 2012 and 2024, still ongoing. Up to now, we monitored 41 comets, acquiring broad-band images using the INAF-OAPd…
View article: The Slow‐Rotating Nucleus of Comet C/2013 R1 (Lovejoy)
The Slow‐Rotating Nucleus of Comet C/2013 R1 (Lovejoy) Open
The close approach of comet C/2013 R1 (Lovejoy) allowed us to conduct an in‐depth study of the morphology of the inner coma. From the measurement of the dust emission structures expanding near the cometary nucleus in November–December 2013…
View article: A study in scarlet
A study in scarlet Open
Aims. We investigate the spectroscopic characteristics of intermediate-luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. Our goal is to provide a ste…
View article: A study in scarlet
A study in scarlet Open
Aims. We investigate the photometric characteristics of a sample of intermediate-luminosity red transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. Our goal is to pro…
View article: Signatures of anti-social mass-loss in the ordinary Type II SN 2024bch -- A non-interacting supernova with early high-ionisation features
Signatures of anti-social mass-loss in the ordinary Type II SN 2024bch -- A non-interacting supernova with early high-ionisation features Open
In this paper we analyse the spectro-photometric properties of the Type II supernova 2024bch, exploded in NGC 3206 at a distance of $19.9\,\rm{Mpc}$. Its early spectra are characterised by narrow high-ionisation emission lines, often inter…
View article: A Physical and Spectroscopic Survey of the Lunar South Pole with the Galileo Telescope of the Asiago Astrophysical Observatory
A Physical and Spectroscopic Survey of the Lunar South Pole with the Galileo Telescope of the Asiago Astrophysical Observatory Open
In recent years, interest in the Moon has grown exponentially, thanks mainly to space programs with strong international cooperation, such as the NASA Artemis program. Several scientific committees have identified the lunar south pole as t…
View article: A study in scarlet -- I. Photometric properties of a sample of Intermediate Luminosity Red Transients
A study in scarlet -- I. Photometric properties of a sample of Intermediate Luminosity Red Transients Open
We investigate the photometric characteristics of a sample of Intermediate Luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. We present the multi-wav…
View article: Monitoring Comet 12P/Pons-Brooks: Spectral Analysis and Outburst Phenomenology&#160;
Monitoring Comet 12P/Pons-Brooks: Spectral Analysis and Outburst Phenomenology  Open
Cometary nuclei are small bodies within the Solar System, believed to be remnants of the original agglomerates of dust grains formed approximately 4.6 billion years ago during the birth of the Solar System. Despite the presumed common orig…
View article: Investigation of WZ Sge-type Dwarf Nova ASASSN-19oc: Optical Spectroscopy and Multicolor Light Curve Analysis
Investigation of WZ Sge-type Dwarf Nova ASASSN-19oc: Optical Spectroscopy and Multicolor Light Curve Analysis Open
In this study, we present an investigation of the newly discovered dwarf nova ASASSN-19oc during its superoutburst on 2019 June 2. We carried out detailed UBVR c I c -photometric observations and also obtained a spectrum on day 7 of the ou…
View article: Fast photon-counting optical astronomy
Fast photon-counting optical astronomy Open
Fast sub-second optical variability exists in some important classes of astrophysical sources, in particular pulsars and X-ray binaries. We regularly perform ultra-fast optical photometric campaigns on some of the most interesting targets …
View article: Compositional characterization of a primordial S-type asteroid family of the inner main belt
Compositional characterization of a primordial S-type asteroid family of the inner main belt Open
Context . Recently, a primordial family of moderate-albedo asteroid fragments was discovered in the inner main belt. Its age was estimated to be 4.4 ± 1.7 Gyr. However, there is a lack of compositional characterization, which is important …
View article: Detailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq
Detailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq Open
SN 2019neq was a very fast evolving superluminous supernova. At a redshift z = 0.1059, its peak absolute magnitude was −21.5 ± 0.2 mag in g band. In this work, we present data and analysis from an extensive spectrophotometric follow-up cam…
View article: Detailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq
Detailed spectrophotometric analysis of the superluminous and fast evolving SN 2019neq Open
SN 2019neq was a very fast evolving superluminous supernova. At a redshift z=0.1059, its peak absolute magnitude was -21.5+/-0.2 mag in g band. In this work, we present data and analysis from an extensive spectrophotometric follow-up campa…
View article: Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf
Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf Open
We present the optical spectroscopic evolution of SN 2023ixf seen in subnight cadence spectra from 1.18 to 15 days after explosion. We identify high-ionization emission features, signatures of interaction with material surrounding the prog…
View article: Margherita Hack's Astrophysics at the Asiago Astrophysical Observatory
Margherita Hack's Astrophysics at the Asiago Astrophysical Observatory Open
Margherita Hack observed with the Galileo telescope at the Asiago Astrophysical Observatory from September 1951 to March 1954. Using the spectroscopic facilities of the observatory, Margherita contributed to the stellar study of novae, sym…
View article: Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf
Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf Open
We present the optical spectroscopic evolution of SN~2023ixf seen in sub-night cadence spectra from 1.18 to 14 days after explosion. We identify high-ionization emission features, signatures of interaction with material surrounding the pro…
View article: Simultaneous and panchromatic observations of the fast radio burst FRB 20180916B
Simultaneous and panchromatic observations of the fast radio burst FRB 20180916B Open
Aims. Fast radio bursts are bright radio transients whose origins are not yet understood. The search for a multi-wavelength counterpart of those events can set a tight constraint on the emission mechanism and the progenitor source. Methods…
View article: SN 2020wnt: a slow-evolving carbon-rich superluminous supernova with no O <scp>ii</scp> lines and a bumpy light curve
SN 2020wnt: a slow-evolving carbon-rich superluminous supernova with no O <span>ii</span> lines and a bumpy light curve Open
We present the analysis of SN 2020wnt, an unusual hydrogen-poor superluminous supernova (SLSN-I), at a redshift of 0.032. The light curves of SN 2020wnt are characterized by an early bump lasting ∼5 d, followed by a bright main peak. The S…
View article: Composition of Inner Main Belt Planetesimals
Composition of Inner Main Belt Planetesimals Open
<p><span>Asteroids, along with other small bodies, are what is left </span><span>over </span><span>of the original planetesimal disk from the planet-formation era. </span><span>Therefore, the…
View article: Composition of inner main-belt planetesimals
Composition of inner main-belt planetesimals Open
Aims. We carried out a spectroscopic survey in order to investigate the composition of 64 asteroids of the inner main belt, which are leftovers of the original planetesimals of our Solar System (we call them inner main belt planetesimals o…
View article: Astro-photometric study of M37 with <i>Gaia</i> and wide-field <i>ugi</i>–imaging
Astro-photometric study of M37 with <i>Gaia</i> and wide-field <i>ugi</i>–imaging Open
We present an astrometric and photometric wide-field study of the Galactic open star cluster M37 (NGC 2099). The studied field was observed with ground-based images covering a region of about four square degrees in the Sloan-like filters u…