Messenger No. 79 (March 1995)

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Telescopes and Instrumentation

1-2 (PDF)
M. Quattri
Manufacturing and assembling the VLT main structure.

ADS BibCode:
1995Msngr..79....1Q
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
Quattri, M.
AA(ESO)

1-1 (PDF)
ESO
European SL-9/Jupiter Workshop

ADS BibCode:
1995Msngr..79....1.
Author(s)/Affiliation(s):
ESO
AA(ESO)
Abstract:
On February 13-15, 1995, a Workshop on the SL-9/Jupiter collision tookplace at the ESO Headquarters in Garching. More than 100 astronomers from all continents discussed the various aspects of this unique event, from the numerous multi-wavelength observations on the ground and in space to the subsequent difficult interpretation of the complex physical and chemical processes that took place in Jupiter's atmosphere. On page 19 of this Messenger issue, we bring the summary of the concluding round-table discussion. It reflects well the present status of the ongoing, hard labour by many groups around the world. While there has undoubtedly been significant progress within several areas, it is also obvious that it will still take quite some time before a coherent, detailed understanding emerges. The Workshop Proceedings are already at the printer and will become available by mid-April 1995. (See announcement on page 47.)
3-4 (PDF)
P. Dierickx
Manufacturing of the VLT Primary Mirrors - a Brief Progress Report

ADS BibCode:
1995Msngr..79....3D
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
Dierickx, P.
AA(ESO)
4-9 (PDF)
B. Koehler et al.
Impact of the microseismic activity on the VLT interferometer.

ADS BibCode:
1995Msngr..79....4K
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
Koehler, B.; Koch, F.; Rivera, L.
AA(ESO) AB(ESO) AC(EOPGS, Strasbourg, France)
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.
10-11 (PDF)
ESO
NTT Bits and Pixels

ADS BibCode:
1995Msngr..79...10.
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
ESO
AA(ESO)
12-14 (PDF)
J. Andersen et al.
New power for the Danish 1.54-m telescope.

ADS BibCode:
1995Msngr..79...12A
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
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.
AA(Copenhagen University, Denmark) AB(Copenhagen University, Denmark) AC(Copenhagen University, Denmark) AD(Copenhagen University, Denmark) AE(Copenhagen University, Denmark) AF(Copenhagen University, Denmark) AG(Copenhagen University, Denmark) AH(Copenhagen University, Denmark) AI(Copenhagen University, Denmark) AJ(Copenhagen University, Denmark) AK(Copenhagen University, Denmark) AL(Copenhagen University, Denmark)
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.
14-16 (PDF)
R. Gilmozzi et al.
A new CCD field lens in EMMI red arm.

ADS BibCode:
1995Msngr..79...14G
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
Gilmozzi, R.; Delabre, B.; D'Odorico, S.; Lizon, J.-L.; Iwert, O.; Gitton, P.; Deiries, S.
AA(ESO) AB(ESO) AC(ESO) AD(ESO) AE(ESO) AF(ESO) AG(ESO)
16-18 (PDF)
L. Pasquini, H. J. Araya
Ghost analysis and a calibration database for the long camera of the CES.

ADS BibCode:
1995Msngr..79...16P
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
Pasquini, L.; Araya, H. J.
AA(ESO) AB(ESO)
18-18 (PDF)
ESO
Erratum

ADS BibCode:
1995Msngr..79...18.
Section:
Telescopes and Instrumentation
Author(s)/Affiliation(s):
ESO
AA(ESO)

SL-9/Jupiter encounter

19-22 (PDF)
H. Böhnhardt, R. Schulz
The SL-9 Workshop round-table discussion - a summary.

ADS BibCode:
1995Msngr..79...19B
Section:
SL-9/Jupiter encounter
Author(s)/Affiliation(s):
Böhnhardt, H.; Schulz, R.
AA(Universitats-Sternwarte, Munchen, Germany) AB(MPI fur Aeronomie, Katlenburg-Lindau, Germany)

Reports from Observers

23-24 (PDF)
B. Brandl et al.
Diffraction-limited K-band observations of the star cluster R136.

ADS BibCode:
1995Msngr..79...23B
Section:
Reports from Observers
Author(s)/Affiliation(s):
Brandl, B.; Drapatz, S.; Eckart, A.; Genzel, R.; Hofmann, R.; Loewe, M.; Sams, M. J.
AA(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany) AB(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany) AC(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany) AD(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany) AE(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany) AF(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany) AG(Max-Planck-lnstitut fur Extraterrestrische Physik, Garching, Germany)
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24-26 (PDF)
H. Schild et al.
The H2 structure of OMC-1: disruption of a molecular cloud.

ADS BibCode:
1995Msngr..79...24S
Section:
Reports from Observers
Author(s)/Affiliation(s):
Schild, H.; Miller, S.; Tennyson, J.
AA(lnstitut fur Astronomie, ETH-Zentrum, Zurich, Switzerland) AB(Dept. Physics and Astronomy, University College London, U.K.) AC(Dept. Physics and Astronomy, University College London, U.K.)
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26-29 (PDF)
M. D. Guarnieri et al.
Combined optical and near-IR IRAC2 photometry of the bulge globular cluster NGC 6553.

ADS BibCode:
1995Msngr..79...26G
Section:
Reports from Observers
Author(s)/Affiliation(s):
Guarnieri, M. D.; Montegriffo, P.; Ortolani, S.; Moneti, A.; Barbuy, B.; Bica, E.
AA(Instituto di Fisica Matematica, Universita di Torino, Italy & 0sservatorio Astronomico, Torino, Italy) AB(Dipartimento di Astronomia di Bologna, Bologna, Italy) AC(0sservatorio Astrofisico di Padova, Padova, Italy) AD(SERCO/ESA -Astrophysics Division, Noordwijk, The Netherlands) AE(Universidade de Sao Paulo, Brazil) AF(Universidade Federal do Rio Grande do Sul, Brazil)
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).
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29-31 (PDF)
D. Bockelee-Morvan et al.
Observations of the Shoemaker-Levy 9 impacts on Jupiter at the Swedish-ESO submillimetre telescope.

ADS BibCode:
1995Msngr..79...29B
Section:
Reports from Observers
Author(s)/Affiliation(s):
Bockelee-Morvan, D.; Colom, P.; Despois, D.; Lellouch, E.; Gautier, D.; Marten, A.; Crovisier, J.; Encrenaz, T.; Owen, T.
AA(Observatoire de Paris-Meudon, France) AB(Observatoire de Paris-Meudon, France) AC(Observatoire de Bordeaux, France) AD(Observatoire de Paris-Meudon, France) AE(Observatoire de Paris-Meudon, France) AF(Observatoire de Paris-Meudon, France) AG(Observatoire de Paris-Meudon, France) AH(Observatoire de Paris-Meudon, France) AI(University of Hawaii, USA)
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West, R.M.: 1994, The Messenger, 77, 28- 31.
Wink, J., Lucas, R., Guilloteau, S., Dutrey, A,: 1994, /RAM Newsletter 18.
31-37 (PDF)
P. Goudfrooij
Evidence for diffusely distributed dust in elliptical galaxies and its effect on radial colour gradients.

ADS BibCode:
1995Msngr..79...31G
Section:
Reports from Observers
Author(s)/Affiliation(s):
Goudfrooij, P.
AA(ESO)
References:
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Other Astronomical News

38-39 (PDF)
A. Bijaoui et al.
Converging Computing Methodlogies in Astronomy: A European Science Foundation Scientific Network 1995-1997

ADS BibCode:
1995Msngr..79...38B
Section:
Other Astronomical News
Author(s)/Affiliation(s):
Bijaoui, A.; di Gesu, V.; Heck, A.; Kurtz, M.J.; Linde, P.; Maccarone, M. C.; McMahon, R.; Molina, R.; Murtagh, F.; Raimond, E.
AA(Observatoire de la Cote d'Azur, Nice) AB(Department of Mathematics and Applications, University of Palermo) AC(Observatoire Astronomique, Strasbourg) AD(Center for Astrophysics, Harvard) AE(Lund Observatory, Lund) AF(IFCAI, Palermo) AG(Institute of Astronomy, Cambridge) AH(University of Granada) AI(ESO) AJ(Netherlands Foundation for Research in Astronomy, Dwingeloo)
39-40 (PDF)
F. Murtagh
ESO on CompuServe.

ADS BibCode:
1995Msngr..79...39M
Section:
Other Astronomical News
Author(s)/Affiliation(s):
Murtagh, F.
AA(ESO)

Announcements

40-40 (PDF)
ESO
Council and Committee Members in 1995

ADS BibCode:
1995Msngr..79...40.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
41-46 (PDF)
ESO
Programmes Approved for Period 55

ADS BibCode:
1995Msngr..79...41.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
46-46 (PDF)
ESO
ESO Astrophysics Symposia Series

ADS BibCode:
1995Msngr..79Q..46.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
46-46 (PDF)
ESO
New Deadline for Applications for ESO Studentship Programme

ADS BibCode:
1995Msngr..79R..46.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
46-46 (PDF)
ESO
Announcement of ESO-IRAM-NFRA-onsala Workshop on "Science with Large Millimetre Arrays"

ADS BibCode:
1995Msngr..79S..46.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
47-47 (PDF)
ESO
Publications Still Available

ADS BibCode:
1995Msngr..79Q..47.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
47-47 (PDF)
ESO
New ESO Publications

ADS BibCode:
1995Msngr..79R..47.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
47-47 (PDF)
ESO
Staff Movements

ADS BibCode:
1995Msngr..79S..47.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)
47-47 (PDF)
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"

ADS BibCode:
1995Msngr..79T..47.
Section:
Announcements
Author(s)/Affiliation(s):
ESO
AA(ESO)

Messenger Index

48-48 (PDF)
ESO
Contents

ADS BibCode:
1995Msngr..79...48.
Section:
Messenger Index
Author(s)/Affiliation(s):
ESO
AA(ESO)