Search Results - "Molaro, P"
-
1
Lithium and beryllium in the Gaia-Enceladus galaxy
Published in Monthly notices of the Royal Astronomical Society (11-08-2020)“…ABSTRACT Data from Gaia DR2 and The Apache Point Observatory Galactic Evolution Experiment surveys revealed a relatively new component in the inner Galactic…”
Get full text
Journal Article -
2
Thomas Harriot at the National Gallery?
Published in Astronomische Nachrichten (01-01-2018)“…The English astronomer Thomas Harriot is a shadowy figure. Although an eclectic and brilliant scientist, he seldom published his work. The only picture of him,…”
Get full text
Journal Article -
3
Beryllium detection in the very fast nova ASASSN-16kt (V407 Lupi)
Published in Monthly notices of the Royal Astronomical Society (01-08-2018)“…Abstract We present high-resolution spectroscopic observations of the fast nova ASASSN-16kt (V407 Lup). A close inspection of spectra obtained at early stages…”
Get full text
Journal Article -
4
Metals in the IGM approaching the re-ionization epoch: results from X-shooter at the VLT
Published in Monthly notices of the Royal Astronomical Society (21-10-2013)“…We present the results of observations taken with the X-shooter spectrograph devoted to the study of quasars at z ∼ 6. This paper focuses on the properties of…”
Get full text
Journal Article -
5
The UVES Large Program for testing fundamental physics – III. Constraints on the fine-structure constant from three telescopes
Published in Monthly notices of the Royal Astronomical Society (21-11-2014)“…Large statistical samples of quasar spectra have previously indicated possible cosmological variations in the fine-structure constant, α. A smaller sample of…”
Get full text
Journal Article -
6
Absorption and emission features of 7Be ii in the outburst spectra of V838 Her (Nova Her 1991)
Published in Monthly notices of the Royal Astronomical Society (01-12-2018)Get full text
Journal Article -
7
7Be detection in the 2021 outburst of RS Oph
Published in Monthly notices of the Royal Astronomical Society (01-01-2023)“…ABSTRACT The recurrent nova RS Oph underwent a new outburst on 2021 August 8, reaching a visible brightness of V = 4.8 mag. Observations of the 2021 outburst…”
Get full text
Journal Article -
8
7Be in the outburst of the ONe nova V6595 Sgr
Published in Monthly notices of the Royal Astronomical Society (01-01-2022)“…ABSTRACT We report on the search for the 7Be ii isotope in the outbursts of the classical nova V6595 Sgr by means of high-resolution Ultraviolet and Visual…”
Get full text
Journal Article -
9
Shock shaping? Nebular spectroscopy of nova V906 Carinae
Published in Monthly notices of the Royal Astronomical Society (01-05-2023)“…ABSTRACT V906 Carinae was one of the best observed novae of recent times. It was a prolific dust producer and harboured shocks in the early evolving ejecta…”
Get full text
Journal Article -
10
Search for 7Be in the outbursts of four recent novae
Published in Monthly notices of the Royal Astronomical Society (11-03-2020)“…ABSTRACT Following the recent detection of 7Be ii in the outburst spectra of classical novae, we report the search for this isotope in the outbursts of four…”
Get full text
Journal Article -
11
Revisiting the classics: on the evolutionary origin of the ‘Fe ii’ and ‘He/N’ spectral classes of novae
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT The optical spectra of novae are characterized by emission lines from the hydrogen Balmer series and either Fe ii or He/N, leading to their…”
Get full text
Journal Article -
12
Catching a nova X-ray/UV flash in the visible? Early spectroscopy of the very slow Nova Velorum 2022 (Gaia22alz)
Published in Monthly notices of the Royal Astronomical Society (12-07-2023)“…ABSTRACT We present early spectral observations of the very slow Galactic nova Gaia22alz, over its gradual rise to peak brightness that lasted 180 d. During…”
Get full text
Journal Article -
13
The Earth transiting the Sun as seen from Jupiter's moons: detection of an inverse Rossiter–McLaughlin effect produced by the opposition surge of the icy Europa
Published in Monthly notices of the Royal Astronomical Society (21-10-2015)“…We report on a multiwavelength observational campaign which followed the Earth's transit on the Sun as seen from Jupiter on 2014 January 2014. Simultaneous…”
Get full text
Journal Article -
14
Possible portrait of Galileo Galilei as a young scientist
Published in Astronomische Nachrichten (01-02-2012)“…We describe here the possible discovery of a portrait of Galileo Galilei in his youth. The painting is not signed and the identification is mainly…”
Get full text
Journal Article -
15
Cosmic dynamics in the era of Extremely Large Telescopes
Published in Monthly notices of the Royal Astronomical Society (01-05-2008)“…The redshifts of all cosmologically distant sources are expected to experience a small, systematic drift as a function of time due to the evolution of the…”
Get full text
Journal Article -
16
Macro X‐ray fluorescence imaging spectroscopy of the suggested Santi di Tito's portrait of Galileo Galilei
Published in Astronomische Nachrichten (01-11-2018)“…A painting of a bearded man on display at the Eremitani Museum in Padua that has been attributed to Jacopo Tintoretto has been suggested to be the lost…”
Get full text
Journal Article -
17
Detection of the Rossiter-McLaughlin effect in the 2012 June 6 Venus transit
Published in Monthly notices of the Royal Astronomical Society. Letters (11-02-2013)“…Eclipsing bodies on stars produce radial velocity variations on the photospheric stellar lines known as the Rossiter-McLaughlin (RM) effect. The body occults a…”
Get full text
Journal Article -
18
Bounds on the fine structure constantvariability from Fe ii absorption lines in QSO spectra
Published in The European physical journal. ST, Special topics (01-10-2008)“…The Single Ion Differential α Measurement (SIDAM)method for measuring Δα/α and its figures of merit are illustrated together withthe results produced by means…”
Get full text
Journal Article -
19
The primordial lithium abundance
Published in Monthly notices of the Royal Astronomical Society (11-03-1997)“…Lithium abundances in a selected sample of halo stars have been revised by using the new accurate infrared flux method (IRFM) effective temperatures by Alonso,…”
Get full text
Journal Article -
20
Bounds on the fine structure constant variability from Fe II absorption lines in QSO spectra
Published in The European physical journal. ST, Special topics (01-10-2008)“…The Single Ion Differential a Measurement (SIDAM) method for measuring. Aalce and its figures of merit are illustrated together with the results produced by…”
Get full text
Journal Article