Messenger No. 65 (September 1991)

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1-2 (PDF)
A. Eckart et al.
The Galactic Centre: Best Images Ever

ADS BibCode:
1991Msngr..65....1E
Author(s)/Affiliation(s):
Eckart, A.; Hofman, R.; Duhoux, P.; Genzel, R.; Drapatz, S.
AA(MPE, Garching bei Munchen) AB(MPE, Garching bei Munchen) AC(MPE, Garching bei Munchen) AD(MPE, Garching bei Munchen) AE(MPE, Garching bei Munchen)
2-4 (PDF)
S. Cristiani
Will La Silla succumb to the VLT?

ADS BibCode:
1991Msngr..65....2C
Author(s)/Affiliation(s):
Cristiani, S.
AA(University of Padova, Italy)
3-3 (PDF)
ESO
Tentative Time-table of Council Sessions and Committee Meetings until end of 1991

ADS BibCode:
1991Msngr..65....3.
Author(s)/Affiliation(s):
ESO
AA(ESO)
4-5 (PDF)
ESO
Visiting Astronomers (October 1, 1991 - April 1, 1992)

ADS BibCode:
1991Msngr..65....4.
Author(s)/Affiliation(s):
ESO
AA(ESO)
5-5 (PDF)
ESO
New Central Computer Facilities at ESO

ADS BibCode:
1991Msngr..65....5.
Author(s)/Affiliation(s):
ESO
AA(ESO)
7-10 (PDF)
A. Mazure et al.
A survey of nearby clusters of galaxies

ADS BibCode:
1991Msngr..65....7M
Author(s)/Affiliation(s):
Mazure, A.; Escalera, E.; Katgert, P.; Rhee, G.; Dan Hartog, R.; Dubath, P.; Focardi, P.; Gerbal, D.; Giuricin, G.; Biviano, A.; Jones, B.; Lefevre, O.; Moles, M.; Perea, J.
AA(Montpellier II, Univ.; CNRS, France), AB(Montpellier II, Univ.; CNRS, France), AC(Leiden, Sterrewacht, Netherlands), AD(Leiden, Sterrewacht, Netherlands), AE(Leiden, Sterrewacht, Netherlands), AF(Geneve, Observatoire, Sauverny, Switzerland), AG(Bologna Univ., Italy), AH(Meudon, Observatoire, France), AI(Trieste, Osservatorio, Italy), AJ(Trieste, Osservatorio, Italy) AH(Nordita, Copenhagen, Denmark) AI(Osservatorio di Trieste, Italy) AJ(Osservatorio di Trieste, Italy) AK(Nordita, Copenhagen, Denmark) AL(CFHT USA) AM(Instituto de Astrofisica, Granada, Spain) AN(Instituto de Astrofisica, Granada, Spain)
Abstract:
An observational program, called a Key Program, that uses a sample of clusters of galaxies from the revised and south extended Abell catalog (Abell, Corwin and Olowin, 1989) is briefly described. The Leiden ASTROSCAN plate-measuring machine is used to scan photographic plates, i.e. glass copies of the red PSS for the northern clusters and film copies of the SRC survey for the southern clusters, to obtain catalogs of galaxies for each selected cluster.
References:
Abell, Cotwin, Olowln, Ap. J. Suppl., 70, I, 1989.
Bahcall, Soneira, Ap. J., 911,15,1986.
Lelevre, Bljaoul, Mathe& Acai, Wire, Astron. Astroph., lW, 92,1988.
Tonry, Davls, Astm. J., 84, 1511, 1979
10-13 (PDF)
S. D'Odorico et al.
A progress report on the VLT instrumentation plan.

ADS BibCode:
1991Msngr..65...10D
Author(s)/Affiliation(s):
D'Odorico, S.; Beckers, J.; Moorwood, A.
AA(ESO) AB(ESO) AC(ESO)
13-14 (PDF)
F. Merkle et al.
The VLT adaptive optics programme.

ADS BibCode:
1991Msngr..65...13M
Author(s)/Affiliation(s):
Merkle, F.; Hubin, N.; Gehring, G.; Rigaut, F.
AA(ESO) AB(ESO) AC(ESO) AD(Observatoire de Paris-Meudon)
14-15 (PDF)
P. A. Shaver, R. Booth
A Report on the SEST Users Meeting and Workshop on Millimetre-Wave Interferometry

ADS BibCode:
1991Msngr..65...14S
Author(s)/Affiliation(s):
Shaver, P. A.; Booth, R.
AA(ESO) AB(Onsala Space Observatory)
15-15 (PDF)
ESO
Staff Movements

ADS BibCode:
1991Msngr..65...15.
Author(s)/Affiliation(s):
ESO
AA(ESO)
17-17 (PDF)
D. Baade et al.
Impressions from the XXI IAU General Assembly.

ADS BibCode:
1991Msngr..65...17B
Author(s)/Affiliation(s):
Baade, D.; Merkle, F.; Traat, P.; Sterken, C.; Grosbøl, P.; Rosa, M.; Madsen, C.; Warmels, R.; van der Laan, H.
AA(ESO) AB(ESO) AC(ESO & Tartu, Estonia) AD(Brussels, Belgium) AE(ESO) AF(ESO) AG(ESO) AH(ESO) AI(ESO)
24-26 (PDF)
M. Gerin et al.
How hot are the molecular clouds at the Galactic Centre?

ADS BibCode:
1991Msngr..65...24G
Author(s)/Affiliation(s):
Gerin, M.; Bel, N.; Tchobroutsky, C.; Viala, Y.-P.
AA(Paris, Observatoire, Meudon; Ecole Normale Superieure, France), AB(Paris, Observatoire, Meudon, France), AC(Paris, Observatoire, Meudon; Ecole Normale Superieure, France), AD(Paris, Observatoire, Meudon; Ecole Normale Superieure, France)
Abstract:
Recent observations of 20 and 50 km/s clouds are reported focusing on the determination of temperature through a large part of the clouds. Results show a kinetic temperature of about 25-70 K in the 20 km/s clouds, and of about 80-90 K in the 50 km/s clouds.
References:
[tJ Whn TL, Ruf K., Walmky CM., Mardn
RN., WIs TA.. m a W., A9lrwr.
~~wophtym~, .I =. 1082.
27-30 (PDF)
G. Clementini et al.
The absolute magnitude of RR Lyrae stars.

ADS BibCode:
1991Msngr..65...27C
Author(s)/Affiliation(s):
Clementini, G.; Cacciari, C.; Fernley, J. A.
AA(Osservatorio Astronomico, Bologna, Italy) AB(Osservatorio Astronomico, Bologna, Italy) AC(Dept of Physics and Astronomy, University College London, England & International Ultraviolet Explorer, VILSPA, Madrid, Spain)
30-33 (PDF)
P. Andreani, A. Franceschini
Galaxy photometry with SEST - How big are galaxies at millimetric wavelengths?

ADS BibCode:
1991Msngr..65...30A
Author(s)/Affiliation(s):
Andreani, P.; Franceschini, A.
AA(Padova, Univ., Padua, Italy), AB(Osservatorio Astronomico, Padua, Italy)
Abstract:
Observations performed during September 1990 using the 15-m SEST telescope at La Silla to study the 1.2-mm continuum emission of a complete sample of galaxies selected from the IRAS Point Source Catalog are described. The sample includes 61 galaxies with a 60-micron flux above 2 Jy in the sky region limited by the equatorial coordinates. These observations provided reliable detections and upper limits for half of the sample objects in the delta range from -22.5 and -26.5 deg.
33-35 (PDF)
ESO
The Rosette Nebula

ADS BibCode:
1991Msngr..65...33.
Author(s)/Affiliation(s):
ESO
AA(ESO)
36-36 (PDF)
ESO
Professional Video Studio at ESO

ADS BibCode:
1991Msngr..65Q..36.
Author(s)/Affiliation(s):
ESO
AA(ESO)
36-36 (PDF)
ESO
New ESO Preprints (June - August 1991)

ADS BibCode:
1991Msngr..65R..36.
Author(s)/Affiliation(s):
ESO
AA(ESO)
37-39 (PDF)
G. Schwehm et al.
Giotto to visit comet P/Grigg-Skjellerup in 1992.

ADS BibCode:
1991Msngr..65...37S
Author(s)/Affiliation(s):
Schwehm, G.; Morley, T.; Boehnhardt, H.
AA(Noordwijk, the Netherlands) AB(Darmstadt, Germany) AC(ESOC/mbp, Darmstadt, Germany)
References:
Marsden, B.O., Sekanina, Z., Yeomans, D.K.:
1073, CQrnets and nongravltational forces.
V. Astrwr, J. 78,211 -226.
Muench, R.E, S@wv, RT., Jordan, J.F.:
1986, Pathfinder -racy irnprwement
bf met Halley tmjechy for QIOTTO
navlg- N- S2l, 31 8-320,
Nal(ana, 8, G w a D.W.E.: 1691, rw2 Comet
Handbook, lnternatsonal Comets Quarterly
IWa, SAO publlcatlon.
39-41 (PDF)
H. Pedersen et al.
The Vaca Muerta mesosiderite.

ADS BibCode:
1991Msngr..65...39P
Author(s)/Affiliation(s):
Pedersen, H.; Lindgren, H.; de Bon, C.
AA(Copenhagen University Observatory, Denmark) AB(ESO, La Silla) AC(University of La Serena, Chile)
41-43 (PDF)
H. Boehnhardt
GPO observations of a geostationary TV-satellite quartet.

ADS BibCode:
1991Msngr..65...41B
Author(s)/Affiliation(s):
Boehnhardt, H.
AA(Dr.-Remeis-Sternwarte, Barnberg, Germany)
43-45 (PDF)
S. D'Odorico et al.
Mini-workshop on large-size CCDs at ESO.

ADS BibCode:
1991Msngr..65...43D
Author(s)/Affiliation(s):
D'Odorico, S.; Ducros, T.; Iwert, O.; Reiss, R.
AA(ESO) AB(ESO) AC(ESO) AD(ESO)
45-50 (PDF)
R. M. West
The use of photography in astronomy - Some thoughts about Schmidt Telescope wide-field work

ADS BibCode:
1991Msngr..65...45W
Author(s)/Affiliation(s):
West, R. M.
AA(ESO, Garching, Germany)
Abstract:
The current use of Schmidt telescopes is reviewed to determine advantages of photographic methods over CCDs. It is concluded that the photographic technique is better suited than CCDs for wide-field, high-angular resolution Schmidt telescope work. The large size and archival properties of photographic plates make them indispensable for the permanent recording of large sky areas during optical sky surveys.
50-53 (PDF)
L. Pasquini, A. Gilliotte
CASPEC's new look.

ADS BibCode:
1991Msngr..65...50P
Author(s)/Affiliation(s):
Pasquini, L.; Gilliotte, A.
AA(ESO, La Silla) AB(ESO, La Silla)
References:
St~ctlve criticism they greatly contri- D'Odotico, S. Ghlgo, M., Ponz., 0. 1987: An Slnclalre, P. 1991 : CCD det- evaIIa&at
b ~ e tdo these lmprwements. Atlas of the Th-Ar Spectrum fof the ESO La Silla.Third Edition.
Echelle Spectrcgraph. ESO Sclentlfic Re- Stone, 1977: Ap. J. 218,767.
References pod 0.
Pasquint L, D'Odorico, S. i989: The CASw
e , O., Cmne, P. 1990: The Meanger PEG Operating Manual. ESO Operating
61, 49. Manual 2.
53-54 (PDF)
F. Merkle, M. Ravenbergen
Optical Gyros for Astronomical Telescopes

ADS BibCode:
1991Msngr..65...53M
Author(s)/Affiliation(s):
Merkle, F.; Ravenbergen, M.
AA(ESO) AB(ESO)
References:
(1) - (1 983, "VLT-Fropml", VLT-Report, European Southern Observatory, 180.
(2) H.W. Babcock (1991), PASP, Vd. fW, 468.
(3) W. Schdder et al. (1991), Proc. SPIE 4686, to be published.
54-59 (PDF)
R. Bellenger et al.
Multi-object spectroscopy with an automatic fibre positioning system in a one-degree field. First technical run of MEFOS at the prime focus of the 3.6-m telescope.

ADS BibCode:
1991Msngr..65...54B
Author(s)/Affiliation(s):
Bellenger, R.; Dreux, M.; Felenbok, P.; Fernandez, A.; Guerin, J.; Schmidt, R.; Avila, G.; D'Odorico, S.; Eckert, W.; Rupprecht, G.
AA(DAEC, Observatoire de Paris- Meudon, France) AB(DAEC, Observatoire de Paris- Meudon, France) AC(DAEC, Observatoire de Paris- Meudon, France) AD(DAEC, Observatoire de Paris- Meudon, France) AE(DAEC, Observatoire de Paris- Meudon, France) AF(DAEC, Observatoire de Paris- Meudon, France) AG(ESO) AH(ESO) AI(ESO) AJ(ESO)
58-59 (PDF)
ESO
Th Le Bertre: A Distant View of...Las Campanas

ADS BibCode:
1991Msngr..65...58.
Author(s)/Affiliation(s):
ESO
AA(ESO)
59-63 (PDF)
S. D'Odorico
News on ESO instrumentation.

ADS BibCode:
1991Msngr..65...59D
Author(s)/Affiliation(s):
D'Odorico, S.
AA(ESO)
63-65 (PDF)
ESO
ESO Image Processing Group: MIDAS Memo

ADS BibCode:
1991Msngr..65...63.
Author(s)/Affiliation(s):
ESO
AA(ESO)
64-64 (PDF)
ESO
First Announcement of the 4th ESO/ST-ECF Data Analysis Workshop

ADS BibCode:
1991Msngr..65...64.
Author(s)/Affiliation(s):
ESO
AA(ESO)
65-65 (PDF)
C. Sterken
News About Automatic Photometry

ADS BibCode:
1991Msngr..65...65S
Author(s)/Affiliation(s):
Sterken, C.
AA(Astrophysical Institute, University of Brussels (VUB), Belgium)
66-68 (PDF)
P. Dierickx, F. Zigmann
Aluminium mirror technology at ESO - Positive results obtained with 1.8-m test mirrors

ADS BibCode:
1991Msngr..65...66D
Author(s)/Affiliation(s):
Dierickx, P.; Zigmann, F.
AA(ESO, Garching, Germany), AB(ESO, Garching, Germany)
Abstract:
Testing of astronomical mirror blanks based on build-up and electron-beam welding is described. It is concluded that both aluminum mirror technologies, build-up and electron-beam welding, proved to be adequate for the manufacturing of 2-m-class astronomical mirrors. Optical tests were very successful and extrapolation to larger diameters is considered to be feasible.
68-68 (PDF)
ESO
Contents

ADS BibCode:
1991Msngr..65...68.
Author(s)/Affiliation(s):
ESO
AA(ESO)