Science with UV-efficient ground-based spectrographs
Online workshop
3-5 February 2021
Motivation & Objectives
3-5 February 2021
A broad range of fundamental science is pushing for significantly better spectroscopic sensitivity at near-UV wavelengths. The four 8.2m telescopes of ESO’s Very Large Telescope (VLT) are the world’s most scientifically productive ground-based observatory at visible/infrared wavelengths. Looking to the future of the VLT there is a long-standing aspiration for an optimised ultraviolet (UV) spectrograph, culminating in plans for the Cassegrain U-Band Efficient Spectrograph (CUBES). With a science case strongly motivated by stellar astrophysics and nucleosynthesis, and also driven by compelling cases from extragalactic astronomy and Solar System science, CUBES will provide a world-leading capability to obtain high-resolution spectroscopy (R = 20,000) in the near ultraviolet (300 – 400 nm), with a tenfold sensitivity gain compared to existing instruments (e.g. ESO’s UVES instrument).
​
Our objectives for this online workshop include:
-
Further development and dissemination of CUBES cases.
-
Place CUBES in the wider context of current/future facilities.
-
Identify further synergies with the VLT, ELT, and space missions.
SOC: Beatriz Barbuy (U. São Paulo), Gabriele Cescutti (INAF-OATS), Stefano Cristiani (INAF-OATS), Valentina D'Odorico (INAF-OATS), Chris Evans (UKATC), Vanessa Hill (OCA, Nice), Bruno Leibundgut (ESO), Cyrielle Opitum (Edinburgh), Tayyaba Zafar (AAO-Mcq)
​
Invited speakers: Luca Pasquini (ESO), Rodolfo Smiljanic (CAMK), Gayandhi De Silva (AAO-Mcq), Piercarlo Bonifacio (Paris/GEPI), Johan Richard (CRAL), Cyrielle Opitom (Edinburgh), Alessandra Migliorini (INAF - IAPS, Rome), Juan-Manuel Alcala (INAF - Napoli Capodimonte), Boris Gänsicke (Warwick), Alessandro Marconi (INAF - Arcetri, Florence University), Valentina D'Odorico (INAF- Trieste), Annalisa De Cia (Geneva), Pat Côté (NRC-Herzberg)
​
​
Archived copies of slidesets from the workshop are available here.
Programme
​​​​​All times UK/GMT
​
Wed 03 Feb:
Introductions & Galactic
​
Session I: Chair: Stefano Cristiani
​
10:00 CUBES Overview
Chris Evans (UKATC)
​
10:20 ESO Overview
Luca Pasquini (ESO)
​
10:40 Beryllium abundances in metal-poor stars
Rodolfo Smiljanic (CAMK)
​
11:00 Beryllium in classical novae
Luca Izzo (Copenhagen)
​
11:15 On metal-poor pulsating stars & EHB stars
Marcella Marconi (INAF - Napoli Capodimonte)
​
11:30 Break
​
Session II: Chair: Chris Evans
​
12:00 The origin of elements: the need for UV spectra
Chiaki Kobayashi (Herts)
​
12:15 Results from the GALAH Survey
Gayandhi De Silva (AAO-Mcq)
​
12:35 Metal-poor stars
Piercarlo Bonifacio (GEPI, Observatoire de Paris, Université PSL, CNRS)
​
12:55 s- & r-process elements
Ian Roederer (Michigan)
​
13:10 Heavy elements - they came out of the blue
Camila Juul Hansen (MPIA)
​
13:25 White dwarfs & exoplanet composition
Boris Gänsicke (Warwick)
​
13:45 End
​
​
All times UK/GMT
​
Thurs 04 Feb:
Galactic & Solar System
​
Session III: Chair: Tayyaba Zafar
​
10:00 BlueMUSE
Johan Richard (CRAL)
​
10:20 STELES - The SOAR Telescope Echelle Spectrograph
Bruno Castilho (LNA)
​
10:35 Water & ions in comets
Cyrielle Opitom (Edinburgh)
​
10:55 Molecular composition of comets
Adam McKay (NASA-GSFC)
​
11:10 Icy Satellites
Alessandra Migliorini (INAF - IAPS, Rome)
​
11:30 Break
​
Session IV: Chair: Cyrielle Opitom
​
12:00 Accretion & winds/outflows in solar-type YSOs
Juan-Manuel Alcala (INAF - Napoli Capodimonte)
​
12:20 Characterisation of very wide companion candidates to young stars
Fatemeh Zahra Majidi (Sapienza, Rome)
​
12:35 Compact dwarf starburst galaxies as proxies for high-z galaxies
Dominik Bomans (Bochum)
​
12:50 There is no one way to live a life
Nicole Reindl (Potsdam)
​
13:05 UV lines as a tracer for XUB fluxes of stars
Eike Guenther (Tautenburg)
​
13:20 Discussion
​
13:35 End
​
​
All times UK/GMT Note different start time to first two days
​
Fri 05 Feb:
Extragalactic & Transients
​
Session V: Chair: Vanessa Hill
​
12:00 ELT HIRES
Alessandro Marconi (INAF - Arcetri, Florence University)
​
12:20 Overview of Extragalactic cases
Valentina D'Odorico (INAF - Trieste)
​
12:40 Transient follow-up in the near-UV
Annalisa De Cia (Geneva)
​
13:00 Studies of molecular hydrogen
Sergei Balashev (Ioffe Institute)
​
13:15 UV upturn in early-type galaxies
Sadman Ali (NOAJ)
​
13:30 Break
​
Session VI: Chair: Valentina D'Odorico
​
14:00 Contribution of faint AGN at z~3-4 to the ionising UV background
Andrea Grazian (INAF - Padova)
​
14:15 Analysis of optically-thin CIII absorption systems
Abhisek Mohapatra (NIT, Rourkela)
​
14:30 Rest-frame UV observations of Ia SNe at high z
Peter Brown (Texas A&M)
14:45 CASTOR: A wide-field UV space telescope