E. Observatory

Publications287
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Citations9,309
Highly Influential Citations1,174
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The Luminosity and Mass Function of the Trapezium Cluster: From B Stars to the Deuterium-burning Limit
We use the results of a new multiepoch, multiwavelength, near-infrared census of the Trapezium cluster in Orion to construct and analyze the structure of its infrared (K-band) luminosity function.…
Detailed abundances of a large sample of giant stars in M 54 and in the Sagittarius nucleus
Homogeneous abundances of light elements, α-elements, and Fe-group elements from high-resolution FLAMES spectra are presented for 76 red giant stars in NGC 6715 (M 54), a massive globular cluster…
A Step toward the Calibration of the Red Giant Branch Tip as a Standard Candle
The absolute I magnitude of the tip of the red giant branch (M) is one of the most promising standard candles actually used in astrophysics as a fundamental pillar for the cosmological distance…
XMM-Newton observation of the Lockman Hole - II. Spectral analysis
We present the results of the X-ray spectral analysis of the first deep X-ray survey with the XMM-Newton observa- tory during Performance Verification. The X-ray data of the Lockman Hole field and…
Internal Properties of Ultracompact Dwarf Galaxies in the Virgo Cluster
We present new imaging and spectroscopic observations of six ultracompact dwarf (UCD) galaxies in the Virgo Cluster, along with reanalyzed data for five Fornax Cluster UCDs. These are the most…
The VLA 1.4 GHz Survey of the Extended Chandra Deep Field-South: First Data Release
We have observed the Extended Chandra Deep Field-South (E-CDF-S) using a mosaic of six deep Very Large Array (VLA) pointings at 1.4 GHz. In this paper, we present the survey strategy, description of…
Searching for cool core clusters at high redshift
Aims. We investigate the detection of Cool Cores (CCs) in the distant galaxy cluster population with the purpose of measuring the CC fraction out to redshift 0.7 ≤ z 0.7, and should also be related…
THE ANTENNAE GALAXIES (NGC 4038/4039) REVISITED: ADVANCED CAMERA FOR SURVEYS AND NICMOS OBSERVATIONS OF A PROTOTYPICAL MERGER
The Advanced Camera for Surveys and the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) have been used to obtain new Hubble Space Telescope images of NGC 4038/4039 ('The Antennae'). These…
Abundance analysis of turn-off and early subgiant stars in the globular cluster 47 Tuc (NGC 104)
We used the UVES spectrograph on Kueyen (VLT UT2) to perform abundance analysis of stars at the base of the giant branch (RGB) and at the main sequence turn-off in the globular cluster 47 Tuc (NGC…
The CFHT Open Star Cluster Survey. II. Deep CCD Photometry of the Old Open Star Cluster NGC 6819
We present analysis of deep CCD photometry for the very rich, old open star cluster NGC 6819. The science goals are to catalog the white dwarfs in the cluster and measure the cluster luminosity and…
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