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Issue 79
Messenger Issue 79

The Messenger Issue 79

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Table of Content No. 79 | 1995
Telescopes and Instrumentation
Quattri, M.
Manufacturing and assembling the VLT main structure.
More...
ADS BibCode: 1995Msngr..79....1Q
Authors:
Quattri, M.

Dierickx, P.
Manufacturing of the VLT Primary Mirrors - a Brief Progress Report
More...
ADS BibCode: 1995Msngr..79....3D
Authors:
Dierickx, P.

Koehler, B., Koch, F. et al.
Impact of the microseismic activity on the VLT interferometer.
More...
ADS BibCode: 1995Msngr..79....4K
Authors:
Koehler, B.; Koch, F.; Rivera, L.
Abstract:
In a previous article ("Hunting the Bad Vibes at Paranal", Messenger No. 76 - June 1994), we described the approach followed by ESO to investigate the effect of microseismic noise on the VLT Interferometer (VLTI). In section 4 of that article, we presented a measurement campaign performed at Paranal to precisely characterise the natural microseismic activity in view of assessing its impact on the VLTI performance. At that date, only preliminary results were availableand presented. This article presents the final results of this campaign which provide the statistical characterisation of the micro-activity as seen from Paranal, as well as the evaluation of its impact on the stability of the Optical Path Length inside the VLT 8- m telescope.

ESO
NTT Bits and Pixels
More...
ADS BibCode: 1995Msngr..79...10.
Authors:
ESO

Andersen, J., Andersen, M. I. et al.
New power for the Danish 1.54-m telescope.
More...
ADS BibCode: 1995Msngr..79...12A
Authors:
Andersen, J.; Andersen, M. I.; Klougart, J.; Knudsen, P.; Larsen, H. H.; Michaelsen, N.; Nielsen, R. F.; Nørregaard, P.; Olsen, E.; Rasmussen, P. K.; Seifert, K. E.; Jønch-Sørensen, H.
Abstract:
After more than 15 years of intensive use, the Danish 1.54-m telescope on La Silla and its equipment are undergoing a majoroverhauI.Thegoal ofthis joint effort with ESO is to provide a more powerful research tool, updated to reflect changing scientific priorities. It will be armed with a couple of core instruments, permanently mounted and requiring a minimum of effort in operation and maintenance. On January 20, 1995, we passed a major milestone in the upgrade project with the installation of several new features, chief of which is the new DFOSC (Danish Faint Object Spectrograph and Camera), patterned after ESO'svery successful EFOSC instruments andequipped with a thinned Loral 2048 x 2048 CCD with exceptionally high quantum efficiency (QE). Also, a simple mirror cooling system was installed which will hopefully lead to an improved image quality. In this article, we briefly describe the DFOSC and its capabilities and our plans for the next steps.

Gilmozzi, R., Delabre, B. et al.
A new CCD field lens in EMMI red arm.
More...
ADS BibCode: 1995Msngr..79...14G
Authors:
Gilmozzi, R.; Delabre, B.; D'Odorico, S.; Lizon, J.-L.; Iwert, O.; Gitton, P.; Deiries, S.

Pasquini, L., Araya, H. J.
Ghost analysis and a calibration database for the long camera of the CES.
More...
ADS BibCode: 1995Msngr..79...16P
Authors:
Pasquini, L.; Araya, H. J.

ESO
Erratum
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ADS BibCode: 1995Msngr..79...18.
Authors:
ESO

SL-9/Jupiter encounter
Böhnhardt, H., Schulz, R.
The SL-9 Workshop round-table discussion - a summary.
More...
ADS BibCode: 1995Msngr..79...19B
Authors:
Böhnhardt, H.; Schulz, R.

Reports from Observers
Brandl, B., Drapatz, S. et al.
Diffraction-limited K-band observations of the star cluster R136.
More...
ADS BibCode: 1995Msngr..79...23B
Authors:
Brandl, B.; Drapatz, S.; Eckart, A.; Genzel, R.; Hofmann, R.; Loewe, M.; Sams, M. J.

Schild, H., Miller, S. et al.
The H2 structure of OMC-1: disruption of a molecular cloud.
More...
ADS BibCode: 1995Msngr..79...24S
Authors:
Schild, H.; Miller, S.; Tennyson, J.

Guarnieri, M. D., Montegriffo, P. et al.
Combined optical and near-IR IRAC2 photometry of the bulge globular cluster NGC 6553.
More...
ADS BibCode: 1995Msngr..79...26G
Authors:
Guarnieri, M. D.; Montegriffo, P.; Ortolani, S.; Moneti, A.; Barbuy, B.; Bica, E.
Abstract:
The bulge region of our Galaxy contains a number of globular clusters whose study can provide important information about the history of the Galaxy formation conditions after the initial collapse of the spheroid. The age, dynamical and chemical conditions of the bulge are the crucial parameters to be investigated. Unfortunately, they are hardly observable in the optical wavelength due to the heavy extinction in the direction of the Galactic plane. For these reasons we have started a systematic study of a sample of metalrich clusters in the infrared using IRAC2 withe the new NlCMOS3 detector 256 x 256 pixels, mounted at the MPIIESO 2.2- m telescope at La Silla (Chile). Here, we present the results of combined visual and near-infrared photometry in one of the most metal-rich globular cluster NGC 6553 ([FeIH] - -0.2). The optical counterparts come from Ortolani, Barbuy and Bica (1990).

Bockelee-Morvan, D., Colom, P. et al.
Observations of the Shoemaker-Levy 9 impacts on Jupiter at the Swedish-ESO submillimetre telescope.
More...
ADS BibCode: 1995Msngr..79...29B
Authors:
Bockelee-Morvan, D.; Colom, P.; Despois, D.; Lellouch, E.; Gautier, D.; Marten, A.; Crovisier, J.; Encrenaz, T.; Owen, T.

Goudfrooij, P.
Evidence for diffusely distributed dust in elliptical galaxies and its effect on radial colour gradients.
More...
ADS BibCode: 1995Msngr..79...31G
Authors:
Goudfrooij, P.

Other Astronomical News
Bijaoui, A., di Gesu, V. et al.
Converging Computing Methodlogies in Astronomy: A European Science Foundation Scientific Network 1995-1997
More...
ADS BibCode: 1995Msngr..79...38B
Authors:
Bijaoui, A.; di Gesu, V.; Heck, A.; Kurtz, M.J.; Linde, P.; Maccarone, M. C.; McMahon, R.; Molina, R.; Murtagh, F.; Raimond, E.

Murtagh, F.
ESO on CompuServe.
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ADS BibCode: 1995Msngr..79...39M
Authors:
Murtagh, F.

Announcements
ESO
Council and Committee Members in 1995
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ADS BibCode: 1995Msngr..79...40.
Authors:
ESO

ESO
Programmes Approved for Period 55
More...
ADS BibCode: 1995Msngr..79...41.
Authors:
ESO

ESO
ESO Astrophysics Symposia Series
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ADS BibCode: 1995Msngr..79Q..46.
Authors:
ESO

ESO
New Deadline for Applications for ESO Studentship Programme
More...
ADS BibCode: 1995Msngr..79R..46.
Authors:
ESO

ESO
Announcement of ESO-IRAM-NFRA-onsala Workshop on "Science with Large Millimetre Arrays"
More...
ADS BibCode: 1995Msngr..79S..46.
Authors:
ESO

ESO
Publications Still Available
More...
ADS BibCode: 1995Msngr..79Q..47.
Authors:
ESO

ESO
New ESO Publications
More...
ADS BibCode: 1995Msngr..79R..47.
Authors:
ESO

ESO
Staff Movements
More...
ADS BibCode: 1995Msngr..79S..47.
Authors:
ESO

ESO
New ESO Conference and Workshop Proceedings: (1) Third CTIO/ESO Workshop on "The Local Group: Comparative and Global Properties": (2) "European SL-9/Jupiter Workshop"
More...
ADS BibCode: 1995Msngr..79T..47.
Authors:
ESO

Messenger Index
ESO
Contents
More...
ADS BibCode: 1995Msngr..79...48.
Authors:
ESO

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