Messenger No. 67 (March 1992)

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1-1 (PDF)
ESO
First 8.6-m Glassy Meniscus Blank for the VLT!

ADS BibCode:
1992Msngr..67....1.
Author(s)/Affiliation(s):
ESO
AA(ESO)
2-2 (PDF)
H. van der Laan
The VLT Progresses as its Management is Adapted

ADS BibCode:
1992Msngr..67....2V
Author(s)/Affiliation(s):
van der Laan, H.
AA(ESO)
2-4 (PDF)
M. Taranghi
VLT News

ADS BibCode:
1992Msngr..67....2T
Author(s)/Affiliation(s):
Taranghi, M.
AA(ESO)
4-9 (PDF)
F. Bourlon
A geological description of Cerro Paranal or another insight into the "perfect site for astronomy".

ADS BibCode:
1992Msngr..67....4B
Author(s)/Affiliation(s):
Bourlon, F.
AA(ESO)
References:
Dercourt J, and Paquet J,, 1985, Geologie, Objets et Methodes, Dunod ed., Paris.
Bellair P. and Pomerol C., 1984, Elements de Geologie, A. Collins ed., Paris.
La Recherche 228, January 1991, "Le volcanisme andin" Magazine, Paris.
Piddo J., 1990, "Geotechnic-Geological Study of Vizcachas and Paranal hills" ESO report.
Figure 3: As found in Bellair P. and Pomerol C., 1984, Elements de Geologie, page 108.
Figure 4: As found in Bellair P. and Pomerol C., 1984, Elements de Geologie, page 132.
Figure 5: As found in Bellair P. and Pomerol C., 1984, Elements de Geologie, page 1 10.
Figure 7: As found in Dercourt and Paquet 1985, Geologie, Objets et Methodes, page 50, chpt. 4.
Figure 8: As found in Piddo J., 1990 "Geotechnic-Geological Study of Vizcachas and Paranal hills" ESO report, Annex, plate 2.
8-8 (PDF)
ESO
Tentative Time-table of Council Sessions and Committee Meetings in 1992

ADS BibCode:
1992Msngr..67....8.
Author(s)/Affiliation(s):
ESO
AA(ESO)
9-10 (PDF)
ESO
New ESO Preprints (December 1991 - February 1992)

ADS BibCode:
1992Msngr..67....9.
Author(s)/Affiliation(s):
ESO
AA(ESO)
10-10 (PDF)
ESO
Staff Movements

ADS BibCode:
1992Msngr..67...10.
Author(s)/Affiliation(s):
ESO
AA(ESO)
10-10 (PDF)
ESO
Vacancy Movements

ADS BibCode:
1992Msngr..67Q..10.
Author(s)/Affiliation(s):
ESO
AA(ESO)
10-10 (PDF)
ESO
New Operating Manuals

ADS BibCode:
1992Msngr..67R..10.
Author(s)/Affiliation(s):
ESO
AA(ESO)
10-10 (PDF)
B. Reipurth
New ESO Scientific Report on Star Forming Regions

ADS BibCode:
1992Msngr..67...10R
Author(s)/Affiliation(s):
Reipurth, B.
AA(ESO)
12-14 (PDF)
ESO
A Paranal Portfolio

ADS BibCode:
1992Msngr..67...12.
Author(s)/Affiliation(s):
ESO
AA(ESO)
15-17 (PDF)
H. van der Laan
Contracts Signed for Two VLT Instruments: FORS and CONICA

ADS BibCode:
1992Msngr..67...15V
Author(s)/Affiliation(s):
van der Laan, H.
AA(ESO)
15-15 (PDF)
ESO
The Andromeda Galaxy

ADS BibCode:
1992Msngr..67...15.
Author(s)/Affiliation(s):
ESO
AA(ESO)
17-18 (PDF)
R. Lenzen, O. von der Lühe
Coudé Near Infrared Camera Instrument Contract Signed

ADS BibCode:
1992Msngr..67...17L
Author(s)/Affiliation(s):
Lenzen, R.; von der Lühe, O.
AA(Max-Planck-Institut fur Astronomie) AB(ESO)
18-21 (PDF)
I. Appenzeller, G. Rupprecht
FORS - the focal reducer for the VLT.

ADS BibCode:
1992Msngr..67...18A
Author(s)/Affiliation(s):
Appenzeller, I.; Rupprecht, G.
AA(Landessternwarte Heidelberg, Germany) AB(ESO)
Abstract:
On February 6, 1992 at the ESO than on the existing large ESO tele- and to allow accurate polarimetry, an Headquarters in Garching the FORS in- Scopes. FORS 1 and 11 will therefore be all-dioptric design was chosen. Its prinstrument project for the ESO Very Large something like the workhorses of the cipal layout was derived by ESO opti- Telescope was publicly started with a VLT, and their duplication will save con- cian B. Delabre on the basis of the exkickoff meetina. FORS, the Focal Re- ~tructionC osts and later simplify Opera- perience gained with EFOSC. ducer/low dispersion s6ectrograph, will be the first instrument built outside ESO to be installed at the VLT observatory. The idea for a set of general-purpose focal reducers for the VLT can be traced back to the recommendations of the ESO Working Group on Imaging and Low-Resolution Spectroscopy, published in VLT Report No. 52 (1986). The experience gained with EFOSCtype instruments at the 3.6-m telescope and at the Nl7 then led ESO to propose in the VLT Instrumentation Plan of June 1989 the construction of two dioptric focal reducer/low dispersion spectrographs for deep-imaging, low-resolution and multi-object spectroscopy. The Cassegrain foci were chosen for the instruments because of their high throughput, to minimize the amount of scattered light and to make them suitable for polarimetric observations. Following a Call for Proposals issued in 1990 a consortium composed of three German astronomical institutes (the Landessternwarte in Heidelberg and the University Observatories of Gottingen and Miinchen) was chosen in 1991 for the realization of the project.
21-23 (PDF)
A. Moorwood, G. Finger
IRAC 2: ESO's New Large Format Infared Array Camera

ADS BibCode:
1992Msngr..67...21M
Author(s)/Affiliation(s):
Moorwood, A.; Finger, G.
AA(ESO) AB(ESO)
21-21 (PDF)
M. Faucherre, B. Koehler
Delay Lines of the VLT Interferometer: Current Status

ADS BibCode:
1992Msngr..67...21F
Author(s)/Affiliation(s):
Faucherre, M.; Koehler, B.
AA(ESO) AB(ESO)
References:
Jorck, H., Maurer, R., Kase, J., Faucherre, M., Beckers, J.M., Kuhn, G. and Hupe, H., "The design of delay lines for the VLT Interferometer", Proc. ESO Conf. on "High Resolution lmaging by Interferometry", Garching, March 1992.
Faucherre, M, and Maurer, R., "On metrology systems for delay lines", Proc. ESO Conf. on "High Resolution Imaging by Interferometry", Garching, March 1992.
Bourlon, P., Faucherre, M. and Koehler, B., "Report on experimental vibration measurements on air bearing pads at Technische Universitat Munchen", internal document, issue December 1991.
23-25 (PDF)
P.O. Lindblad, A. Blaauw
Gosta W. Funke 1906-1991

ADS BibCode:
1992Msngr..67...23L
Author(s)/Affiliation(s):
Lindblad, P.O.; Blaauw, A.

23-25 (PDF)
ESO
Visiting astronomers

ADS BibCode:
1992Msngr..67...21.
Author(s)/Affiliation(s):
ESO
AA(ESO)
25-25 (PDF)
P.O. Lindblad, A. Blaauw
ESO/EIPC Workshop on Structure, Dynamics and Chemical Evolution of Early-Type Galaxies

ADS BibCode:
1992Msngr..67...25L
Author(s)/Affiliation(s):
Lindblad, P.O.; Blaauw, A.

26-29 (PDF)
G. Vettolani et al.
A galaxy redshift survey in the South Galactic Pole region

ADS BibCode:
1992Msngr..67...26V
Author(s)/Affiliation(s):
Vettolani, G.; Alimi, J.; Balkowski, C.; Blanchard, A.; Cappi, A.; Cayatte, V.; Chincarini, G.; Collins, C.; Felenbok, P.; Guzzo, L.; Maccagni, D.; MacGillivray, H.; Maurogordato, S.; Merighi, R.; Mignoli, M.; Proust, D.; Ramella, M.; Scaramella, R.; Stirpe, G.; Zamorani, G.; Zucca, E.
AA(Istituto di Radioastronomia CNR, Bologna, Italy) AB(DAEC, Observatoire de Paris-Meudon, France) AC(DAEC, Observatoire de Paris-Meudon, France) AD(DAEC, Observatoire de Paris-Meudon, France) AE(Osservatorio Astronomico di Bologna, Italy) AF(DAEC, Observatoire de Paris-Meudon, France) AG(Osservatorio Astronomico di Brera, Milano, Italy & Dipartimento di Fisica, Universita di Milano, Italy) AH(Royal Observatory, Edinburgh, UK) AI(DAEC, Observatoire de Paris-Meudon, France) AJ(Osservatorio Astronomico di Brera, Milano, Italy) AK(Istituto di Fisica Cosmica CNR, Milano, Italy) AL(Royal Observatory, Edinburgh, UK) AM(DAEC, Observatoire de Paris-Meudon, France) AN(Osservatorio stronomico di Bologna, Italy) AO(Dipartimentodi Astronomia, Universita di Bologna, Italy) AP(DAEC, Observatoire de Paris-Meudon, France) AQ(Osservatorio Astronomico di Trieste, Italy) AR(Osservatorio Astronomico di Roma, Italy) AS(Osservatorio Astronomico di Bologna, Italy) AT(Istituto di Radioastronomia CNR, Bologna, Italy & Osservatorio Astronomico di Bologna, Italy) AU(Istituto di Radioastronomia CNR, Bologna, Italy & Dipartimentodi Astronomia, Universita di Bologna, Italy)
References:
Broadhurst, T.J., Ellis, R.S., Koo, D.C., Szalay, A.S., 1990, Nature 343, 726.
Chincarini, G., Guzzo, L., Scaramella, R., Vettolani, G., lovino, A., 1992 in Clusters and
Superclusters of Galaxies, A.C. Fabian and M. Colless Eds., in press.
Colless, M., Ellis, R.S., Taylor, K., Hook, R.N., 1990, MNRAS 244,408.
Da Costa, L.N., et al., 1988, Ap. J. 327, 544.
delapparent, V., Geller, M., Huchra, J. 1989, Ap.J., 343, I. delapparent, V., Geller, M., Huchra, J. 1991, Ap. J.
Geller, M., 1989, in 3rd ESO-CERN Symposium, M. Caffo, R. Fanti, G. Giacomelli, and A. Renzini Eds, Kluwer, page 83.
Geller, M., and Huchra, J., 1989, Science 246, 897.
Guzzo, L., lovino, A,, Chincarini, G., Giovanelli, R., Haynes, M.P. 1991, Ap. J. Lett. 382, L5.
Haynes, M., Giovanelli, R., 1989, in Large Scale Motions in the Universe, V.C. Rubin and G.V. Coyne Eds, Princeton University Press, page 31.
Heydon-Dumbleton, N.H., Collins, C.A., Mac-Gillivray, H.T., 1988 in Large Scale Structures in the Universe: Observational and Analytical Methods, Seitter et al., Eds, Springer, page 71.
Maddox, S.J., Sutherland, W.J., Efstathiou, G., Loveday, J., and Peterson, B.A., 1990, preprint.
Peebles J. 1973, Ap. J. 185, 413.
Ramella, M., Geller, M., Huchra, J., 1992, Ap. J. in press.
Scaramella, R., Vettolani, G., Zamorani, G., 1991, Ap. J. Letters 376, I.
Stoeger, W.R., Ellis, G.F.R., Hellaby, C., 1987, MNRAS, 226, 373.
Szalay, A,, Ellis, R.S., Koo, D.C., Broadhurst, T.J., 1991 in After the First Three Minutes, AIP Conference 222, page 261.
Valls-Gabaud, D., Alimi, J.M., Blanchard, A., 1989 Nature 341, 21 5.
30-33 (PDF)
P. Magain et al.
The new gravitational lens candidate Q 1208+1011 and the importance of high quality data.

ADS BibCode:
1992Msngr..67...30M
Author(s)/Affiliation(s):
Magain, P.; Surdej, J.; Vanderriest, C.; Pirenne, B.; Hutsemékers, D.
AA(Institut d'Astrophysique, Universite de Liege, Belgium) AB(Institut d'Astrophysique, Universite de Liege, Belgium) AC(Observatoire de Meudon, France) AD(ST-ECF) AE(Institut d'Astrophysique, Universite de Liege, Belgium)
33-34 (PDF)
ESO
Minor Planet Discovered at ESO is Named "Chile"

ADS BibCode:
1992Msngr..67...33.
Author(s)/Affiliation(s):
ESO
AA(ESO)
34-35 (PDF)
R. M. West
Another Chiron-type object.

ADS BibCode:
1992Msngr..67...34W
Author(s)/Affiliation(s):
West, R. M.
AA(ESO)
35-36 (PDF)
M. Della Valle
Nova Muscae 1991: one year later.

ADS BibCode:
1992Msngr..67...35D
Author(s)/Affiliation(s):
Della Valle, M.
AA(ESO)
References:
Lund, N., Brandt, S. 1991, IAU Circ. 5161.
Della Valle, M., Jarvis, B.J., West, R. 1991,
Makino, F., and Ginga Team 1991, IAU Circ. Nature, 353, 50. 5161.
37-37 (PDF)
L. Wang, M. Rosa
Light echoes from SN 1987A.

ADS BibCode:
1992Msngr..67...37W
Author(s)/Affiliation(s):
Wang, L.; Rosa, M.
AA(ESO and Center for Astrophysics, the University of Science and Technology of China, Hefei Anhui, P. R. China) AB(ST-ECF)
References:
Gouiffes, C., Rosa, M., Melnick, J., Danziger, I.J., Remy, M., Santini, C., Sauvageot, J.L., Jakobson, P., and Ruiz, M.T. Astron. Astroph. 198, L9-L12 (1988).
Chevalier R.A. and Emmering, R.T. Astrophys. J. 342, L75-L78 (1989).
38-40 (PDF)
M. Niehues et al.
Observations of the symbiotic star BD -21°3873 within the long-term photometry of variables programme.

ADS BibCode:
1992Msngr..67...38N
Author(s)/Affiliation(s):
Niehues, M.; Bruch, A.; Duerbeck, H. W.
AA(Astronomisches Institut, Munster, Germany) AB(Astronomisches Institut, Munster, Germany) AC(Astronomisches Institut, Munster, Germany)
References:
Allen, D.A.: 1979, in: F.M. Bateson, J. Smak, I.H. Urch (eds.): Changing Trends in Variable Star Research, Proc. IAU Coll. 46, p. 125.
Allen, D.A.: 1984, Proc. Astron. Soc. Australia, 5, 369.
Allen, D.A.: 1988, in: J. Mikolajewska, M. Friedjung, S.J. Kenyon, R. Viotti (eds.): The Symbiotic Phenomenon, Proc. IAU Coll. 103, p. 3.
Bidelman, W.P., MacConnell, D.J.: 1973, Astrophys. J. 78, 687.
Nelder, J.A., Mead, R.; 1965, ComputerJournal7, 308.
Schulte-Ladbeck, R.E.: 1988, Astron. Astrophys. 189, 97.
Sterken, C.: 1983, The Messenger 33, 10.
Wilson, R.E., Devinney, E.J.: 1971, Astrophys. J. 166, 605.
Wolf, B., Sterken, C., Stahl, O., Manfroid, J.: 1987, The Messenger 47, 10.
40-42 (PDF)
M. Lemoine et al.
The importance of lithium.

ADS BibCode:
1992Msngr..67...40L
Author(s)/Affiliation(s):
Lemoine, M.; Ferlet, R.; Emerich, C.; Vidal-Madjar, A.; Dennefeld, M.
AA(Institut d'Astrophysique de Paris, CNRS, Paris, France) AB(Institut d'Astrophysique de Paris, CNRS, Paris, France) AC(Institut d'Astrophysique Spatiale, Verrieres-le-Buisson, France) AD(Institut d'Astrophysique de Paris, CNRS, Paris, France) AE(Institut d'Astrophysique de Paris, CNRS, Paris, France)
References:
Avila, G., D'Odorico, S.: 1988, Proceedings of the ESO Conference on Very Large Telescopes and their Instrumentation, Garching, 21-24 March 1988, p. 1121.
Dearborn, D., Schramm, D., Steigman, G., Truran, J.: 1989, Astrophys. J., 347, 455.
Ferlet, R., Laurent, C., Vidal-Madjar, A., York, D.G.: 1 980a, Astrophys. J., 235, 478.
Ferlet, R., Vidal-Madjar, A,, Laurent, C., York, D.G.: 1980b, Astrophys. J., 242, 576.
Ferlet, R.. Dennefeld, M.: 1984, Astron. Astrophys., 138, 203.
Kawano, A.: 1988, Astrophys. J. Letters, 327, L750.
Hobbs, L.M.: 1975, Astrophys. J., 200, 621.
Hobbs, L.M., Pilachowski, C.: 1988, Astrophys. J., 334, 750.
Reeves, H.: 1988, European Journal of Physics, 9, 179.
Scalo, J.M.: 1976, Astrophys. J., 206, 795.
Spite, F., Spite, M.: 1982, Astron. Astrophys., 115, 357.
Starrfield, S., Truran, J.W., Sparks, W.M., Arnould, M.: 1978, Astrophys. J., 222, 600.
Vangioni-Flam, E., Casse, M., Oberto, Y.: 1 989, Astrophys. J., 349, 51 0.
Vidal-Madjar, A,, Laurent, C., Bonnet, R.M., York, D.G.: 1977, Astrophys. J., 211, 91.
42-46 (PDF)
M. A. Fluks, P. S. Thé
On flux calibration of spectra.

ADS BibCode:
1992Msngr..67...42F
Author(s)/Affiliation(s):
Fluks, M. A.; Thé, P. S.
AA(Astronomical Institute, University of Amsterdam, the Netherlands) AB(Astronomical Institute, University of Amsterdam, the Netherlands)
References:
Cramer, N. June 1990, The Messenger, 60, 62.
Filippenko, A. 1982, PASP, 94, 715.
Fluks, M.A., and The, P.S. 1992, A&A, 255, 477.
Kondratyev, K.YA. 1969, "Radiation in the atmosphere", International geophysics series, volume 12, Academic Press, Chapters 3 to 5.
Tug, H. December 1977, The Messenger, 11, 7.
Valley, S.L. (Ed.) 1965, "Handbook of geophysics and space environments", McGraw-Hill Book Company Inc., Chapters 7, 10 and 16.
46-48 (PDF)
F. Malbet
A coronagraph for COME-ON, the adaptive optics VLT prototype.

ADS BibCode:
1992Msngr..67...46M
Author(s)/Affiliation(s):
Malbet, F.
AA(Observatoire de Paris and Observatoire de Grenoble, France)
References:
Malbet F., to be submitted to A&A.
48-48 (PDF)
C. Madsen
ESO at Expo '92

ADS BibCode:
1992Msngr..67...48M
Author(s)/Affiliation(s):
Madsen, C.
AA(ESO)
48-48 (PDF)
E. Davoust
Jean-Luc Nieto, 1950 - 5 January 1992.

ADS BibCode:
1992Msngr..67...48D
Author(s)/Affiliation(s):
Davoust, E.

49-50 (PDF)
N. Hubin, E. Gendron
News from the VLT Adaptive Optics Prototype Project: A New Photon Counting Wavefront Sensor Channel for COME ON PLUS

ADS BibCode:
1992Msngr..67...49H
Author(s)/Affiliation(s):
Hubin, N.; Gendron, E.
AA(ESO) AB(ESO)
50-51 (PDF)
L. Pasquini et al.
A new cross disperser for CASPEC.

ADS BibCode:
1992Msngr..67...50P
Author(s)/Affiliation(s):
Pasquini, L.; Rupprecht, G.; Gilliotte, A.; Lizon, J.-L.
AA(ESO) AB(ESO) AC(ESO) AD(ESO)
References:
Pasquini, L., Gilliotte, A. 1991: The Messenger, 65, 50.
51-51 (PDF)
A. Gilliotte et al.
News About Imaging Filters

ADS BibCode:
1992Msngr..67...51G
Author(s)/Affiliation(s):
Gilliotte, A.; Melnick, J.; Mendez, J.
AA(ESO) AB(ESO) AC(ESO)
51-52 (PDF)
ESO
ESO Image Processing Group: MIDAS Memo

ADS BibCode:
1992Msngr..67...51.
Author(s)/Affiliation(s):
ESO
AA(ESO)
52-52 (PDF)
ESO
Things that Pass in the Sky

ADS BibCode:
1992Msngr..67...52.
Author(s)/Affiliation(s):
ESO
AA(ESO)
53-56 (PDF)
E. Fosbury et al.
Astronomical light pollution by artificial earth satellites.

ADS BibCode:
1992Msngr..67...53F
Author(s)/Affiliation(s):
Fosbury, E.; Turtle, A.; Black, M.
AA(European School Munich, Germany) AB(European School Munich, Germany) AC(University of St. Andrews, Scotland)
References:
Fleury, W. (ed.), 1988. The Report of the ESA Space Debris Working Group, ESA SP- 1109.
Malina, R.F., 1991. "In defence of Space Art: the role of the Artist in Space Exploration" in Light Pollution, Radio Interference and Space Debris, David, L. Crawford (ed).
Murdin, P., 1991. "The threat to Astronomy by Space Art", in Licrht Pollution. Radio Interference and space Debris, avid, L. Crawford (ed).
Shara, M.M. and Johnston, M.D., 1986. "Artificial Earth satellites crossing the fields of view of and colliding with orbiting Space Telescopes", Pub. Astr. Soc. Pacific, 98, 814-820.
56-57 (PDF)
O. Hainaut
Unidentified Object Over Chile

ADS BibCode:
1992Msngr..67...56H
Author(s)/Affiliation(s):
Hainaut, O.
AA(ESO)
57-57 (PDF)
A. Smette, O. Hainaut
A Near Miss?

ADS BibCode:
1992Msngr..67...57S
Author(s)/Affiliation(s):
Smette, A.; Hainaut, O.
AA(ESO) AB(ESO)
58-61 (PDF)
J. Lequeux
The future of astronomy publications: electronic publishing?

ADS BibCode:
1992Msngr..67...58L
Author(s)/Affiliation(s):
Lequeux, J.
AA(Editor-in-Chie f, Astronomy and Astrophysics, Observatoire de Meudon, France)
59-59 (PDF)
ESO
Supernova discovered at ESO.

ADS BibCode:
1992Msngr..67...59.
Author(s)/Affiliation(s):
ESO
AA(ESO)
60-60 (PDF)
ESO
Vacancies on La Silla

ADS BibCode:
1992Msngr..67...60.
Author(s)/Affiliation(s):
ESO
AA(ESO)
61-62 (PDF)
D. A. Verner
Astronomy acknowledgements index 1991.

ADS BibCode:
1992Msngr..67...61V
Author(s)/Affiliation(s):
Verner, D. A.
AA(ESO & Space Research Institute, Moscow, Russia)
References:
Abt H.A., 1980, PASP 92, 249.
Abt H.A., 1981, PASP 93, 207.
Abt H.A., 1983, PASP 95, 11 3.
Abt H.A., 1984a, PASP 96, 563.
Abt H.A., 198413, PASP 96, 746.
Abt H.A., 1987, PASP 99, 1329.
Brush S.G., 1990, Current Contents 30, No. 43, 7.
Garfield E., 1977, Essays of an information scientist: the awards of science and other essays, Philadelphia: IS1 Press, 2, 120.
Garfield E., 1985, Essays of an information scientist: the awards of science and other essays, Philadelphia: IS1 Press, 7, 152.
Leydesdorff L., Amsterdamska O., 1990, Sci. Technol. Hum. Val. 15, Nr. 3, 305.
Rao A.R., Vahia M.N., 1984, PASP 96, 661.
Rao A.R., Vahia M.N., 1986, PASP 98, 51 1.
Trimble V., 1986, PASP 98, 1347.
62-63 (PDF)
D. B. Herrmann
On the life expectancy of astronomers.

ADS BibCode:
1992Msngr..67...62H
Author(s)/Affiliation(s):
Herrmann, D. B.
AA(Archenhold Observatory, Alt- Treptow/Berlin, Germany)
References:
M. Ebell, Die Lebensdauer der Astronomen. In: Sirius 52 (1919), 213-214. 1 am greatful to D. Fiirst for drawing my attention to this source.
D. Wattenberg, Das Lebensalter der Astronomen. In: Die Himmelswelt 55 (1948), 68-69.
Newcomb-Engelmann, Populare Astronomie. 7th edition, Leipzig 1921, p. 801 -81 8.
Estate of J.H. Madler. Niedersbhsische Staats- und Universitatsbibliothek Gottingen.
D. B. Herrmann, History of Astronomy from Herschel to Hertzsprung. Cambridge England 1984.
A. E. Imhof, Lebenserwartungen in Deutschland vom 17. bis 19. Jahrhundert, Weinheim 1990.
Ibid, p. 28.
63-63 (PDF)
ESO
Pluto and Charon

ADS BibCode:
1992Msngr..67...63.
Author(s)/Affiliation(s):
ESO
AA(ESO)
64-64 (PDF)
ESO
Contents

ADS BibCode:
1992Msngr..67R..64.
Author(s)/Affiliation(s):
ESO
AA(ESO)
64-64 (PDF)
ESO
ESO's Early History

ADS BibCode:
1992Msngr..67Q..64.
Author(s)/Affiliation(s):
ESO
AA(ESO)