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X-shooter, the new wide band intermediate resolution spectrograph at the ESO Very Large Telescope

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 installed at the Cassegrain…
arXiv (opens in a new tab)

UltraVISTA: a new ultra-deep near-infrared survey in COSMOS

In this paper we describe the first data release of the UltraVISTA near-infrared imaging survey of the COSMOS field. We summarise the key goals and design of the survey and provide a detailed…
arXiv (opens in a new tab)

Multi-messenger Observations of a Binary Neutron Star Merger

On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced…
IOP Publishing (opens in a new tab)

A very energetic supernova associated with the γ-ray burst of 29 March 2003

Over the past five years evidence has mounted that long-duration (>2 s) γ-ray bursts (GRBs)—the most luminous of all astronomical explosions—signal the collapse of massive stars in our Universe. This…
Nature (opens in a new tab)

An optical supernova associated with the X-ray flash XRF 060218

The data, combined with radio and X-ray observations, suggest that XRF 060218 is an intrinsically weak and soft event, rather than a classical GRB observed off-axis, which extends the GRB–supernova connection to X-rays flashes and fainter supernovae, implying a common origin.
Nature (opens in a new tab)

Spectroscopic identification of r-process nucleosynthesis in a double neutron-star merger

The spectral identification and physical properties of a bright kilonova associated with the gravitational-wave source GW170817 and γ-ray burst GRB 170817A associated with a galaxy at a distance of 40 megaparsecs from Earth are described.
Springer Nature (opens in a new tab)

Velocity-metallicity correlation for high-z DLA galaxies: evidence of a mass-metallicity relation?

We used our database of VLT-UVES quasar spectra to build up a sample of 70 Damped Lyman- α (DLA) or strong sub-DLA systems with total neutral hydrogen column densities of $\log N($H i$)\ga 20$ and…
arXiv (opens in a new tab)

ALLSMOG: An APEX low-redshift legacy survey for molecular gas - I. molecular gas scaling relations, and the effect of the CO/H2 conversion factor

We present ALLSMOG, the APEX Low-redshift Legacy Survey for MOlecular Gas. ALLSMOG is a survey designed to observe the CO(2-1) emission line with the APEX telescope, in a sample of local galaxies…
arXiv (opens in a new tab)

Are High-Redshift Damped Lyα Galaxies Lyman Break Galaxies?

We use deep HST STIS and NICMOS images of three spectroscopically confirmed galaxy counterparts of high-redshift damped Lyα (DLA) absorbers (one of which is a new discovery) to test the hypothesis…
IOP Publishing (opens in a new tab)

Detection of Lyman-α emission from a DLA galaxy: Possible implications for a luminosity-metallicity relation at z = 2-3

In an ongoing programme to identify a sample of high z DLA galaxies we have found the long sought for case of a Ly α emitter seen in the centre of a broad DLA trough. This is the predicted “textbook…
arXiv (opens in a new tab)
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