The Fixed Stars and Constellations in Astrology a Practical Application
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Pub. Astron. Soc. Pacific, Volume 83, June 1971 the ARCTURUS GROUP O. J. EGGEN Mount Stromlo and Siding Spring Observatories, Re
Pub. Astron. Soc. Pacific, Volume 83, June 1971 THE ARCTURUS GROUP O. J. EGGEN Mount Stromlo and Siding Spring Observatories, Research School of Physical Sciences, The Australian National University Received 15 March 1971 Fifty-three probable members of a group of old disk population stars, moving with Arcturus, are discussed. The group includes the long period (250e1) variable RT Hydrae. The {My, B—V) and (Mboi, fí—/) diagrams of the group stars show the members to be among the oldest of the old disk population, similar in age, but not in chemical composition, to members of the old cluster NGC 188. Apogalactium for the group members is near the sun and there is some evidence for a nonrandom distribution of the U vectors of the space motions. The ultraviolet excess, 8(C/—ß)o.6' of the main-sequence members is +0Φ11 and spectroscopic analyses of three giant members give [Fe/H] near —0.5. The values of S{U— B)q q for seven groups of old disk population stars range from + 0Φ17 (σ Puppis group) to + 0^03 ( ε Indi group) with the old disk cluster M67 being similar to the latter. The value of E{B—V) = +0^06 for M67 is confirmed by early-type field stars in the vicinity of the cluster. The members of some of the old disk population groups that populate the (Μ^,Κ — Ι) plane near the clump of red giants (M^ol == 0m to + lm) are tabulated and discussed in connection with the suggested "supermetallicity" of some of these stars. -
Anexo Ii: Catálogos De Espectros Estelares
ANEXO II: CATÁLOGOS DE ESPECTROS ESTELARES Base de datos de espectros estelares del enfoque híbrido I 1 (continuación) 2 (continuación) Catálogo G. H. Jacoby & D. A. Hunter & C. A. Christian 3 4 (continuación) 5 (continuación) Catálogo A.J. Pickles 1988 6 7 (continuación) Catálogo Silva 1992 8 Num Name Sp Type Vr Teff log g 1 HD000245 G2V -93.73 5433. 3.50 2 HD000358 B8IVmnp.. -33.90 14007. 3.77 3 HD000400 F8IV -15.13 6146. 4.09 4 HD000693 F5V 14.79 6156. 4.13 5 HD001227 G8II-III -0.03 5063. 2.65 6 HD001835 G3V -2.46 5777. 4.45 7 HD002665 G5IIIwe -382.34 5004. 2.27 8 HD002665 G5IIIwe -382.57 5004. 2.27 9 HD002796 Fw -61.36 4920. 1.39 10 HD003268 F7V -23.40 6130. 4.01 11 HD003546 G5III... -84.14 4769. 2.22 12 HD003567 F5V -47.62 5991. 3.96 13 HD003628 G2V -27.09 5701. 4.06 14 HD003712 K0II-IIIva -4.49 4608. 2.20 15 HD003712 K0II-IIIva -4.45 4608. 2.20 16 HD004306 G0 -61.71 4933. 1.96 17 HD004306 G0 -61.71 4933. 1.96 18 HD004307 G2V -10.36 5806. 4.04 19 HD004395 G5 -0.75 5471. 3.32 20 HD004614 G0V... 8.29 5890. 4.40 21 HD005234 K2III -23.56 4385. 1.58 22 HD005395 G8III-IV -48.08 4708. 2.42 23 HD005448 A5V 9.60 8029. 3.90 24 HD005516 G8III-IV -25.49 4940. 2.70 25 HD005600 F8 3.70 6631. 3.98 26 HD005916 G8III-IV -68.17 4874. -
MEGARA-GTC Stellar Spectral Library – II
MNRAS 501, 3568–3581 (2021) doi:10.1093/mnras/staa3704 Advance Access publication 2020 December 1 MEGARA-GTC stellar spectral library – II. MEGASTAR first release E. Carrasco ,1‹ M. Molla´ ,2‹ M. L. Garc´ıa-Vargas ,3‹ A. Gil de Paz ,4,5 N. Cardiel ,4,5 P. Gomez-Alvarez´ 3 andS.R.Berlanas 6 1Instituto Nacional de Astrof´ısica, Optica´ y Electronica,´ INAOE, Calle Luis Enrique Erro 1, C.P. 72840 Santa Mar´ıa Tonantzintla, Puebla, Mexico 2Dpto. de Investigacion´ Basica,´ CIEMAT, Avda. Complutense 40, E-28040 Madrid, Spain 3FRACTAL SLNE, Calle Tulipan´ 2, portal 13, 1A, E-28231 Las Rozas de Madrid, Spain 4Dpto. de F´ısica de la Tierra y Astrof´ısica, Fac. CC. F´ısicas, Universidad Complutense de Madrid, Plaza de las Ciencias, 1, E-28040 Madrid, Spain 5Instituto de F´ısica de Part´ıculas y del Cosmos, IPARCOS, Fac. CC. F´ısicas, Universidad Complutense de Madrid, Plaza de las Ciencias 1, E-28040 Madrid, Spain 6Departamento de F´ısica Aplicada, Universidad de Alicante, E-03690 San Vicente del Raspeig, Alicante, Spain Downloaded from https://academic.oup.com/mnras/article/501/3/3568/6015792 by guest on 01 February 2021 Accepted 2020 November 21. Received 2020 November 21; in original form 2020 August 29 ABSTRACT MEGARA is an optical integral field and multi-object fibre-based spectrograph for the 10.4 m Gran Telescopio CANARIAS that offers medium-to-high spectral resolutions (FWHM) of R 6000, 12 000, 20 000. Commissioned at the telescope in 2017, it started operation as a common-user instrument in 2018. -
Annual Report 2000
Onderzoeksinstituut Research Institute Sterrewacht Leiden Leiden Observatory Annual Report 2000 Sterrewacht Leiden Faculty of Mathematics and Natural Sciences University of Leiden Niels Bohrweg 2 2333 CA Leiden The Netherlands ¡ ¢ ¤£¦¥¨§¢©¡ ¤£ ¡¡¤£ In memoriam Hendrik van de Hulst November 18, 1918 – July 31, 2000 Hendrik van de Hulst Hendrik van de Hulst died in Leiden on July 31st, 2000, at the age of 81. He was one of the greatest Dutch astronomers of the past 150 years. In 1944 he had predicted that the amount of neutral atomic hydrogen in interstellar space would be so great as to produce a measurable signal at the radio wavelength of 21 centimeters. This prediction led to a breakthrough in astronomical research. It was a strikingly origi- nal contribution to the spectacular blossoming of astronomy which began after the second world war and which continues unabated. Henk van de Hulst was born in Utrecht, The Netherlands, on November 19, 1918. He was one of the six children born to W.G. van de Hulst, a well-known writer of children's books in Calvinist religious settings. Henk was not the only one of the children to be highly gifted; one of his brothers became a respected painter. Henk remembered growing up in a happy family atmosphere. The belief in the teachings of the Dutch Reformed Church were followed seriously at home and ev- idently the younger Henk adhered to them too: in his Ph.D. thesis one finds the pious dedication “. to Him who steers everything”. Later in his life his religious beliefs loosened, although his knowledge of the Bible became a familiar signature in his discussions. -
Swiss National Bank Form 13F-HR Filed 2020-11-09
SECURITIES AND EXCHANGE COMMISSION FORM 13F-HR Initial quarterly Form 13F holdings report filed by institutional managers Filing Date: 2020-11-09 | Period of Report: 2020-09-30 SEC Accession No. 0001582202-20-000005 (HTML Version on secdatabase.com) FILER Swiss National Bank Mailing Address Business Address BOERSENSTRASSE 15 BOERSENSTRASSE 15 CIK:1582202| IRS No.: 000000000 | State of Incorp.:V8 | Fiscal Year End: 1231 P.O. BOX 2800 P.O. BOX 2800 Type: 13F-HR | Act: 34 | File No.: 028-15577 | Film No.: 201296388 ZURICH V8 CH-8022 ZURICH V8 CH-8022 (41)-44-631-31-11 Copyright © 2020 www.secdatabase.com. All Rights Reserved. Please Consider the Environment Before Printing This Document OMB APPROVAL UNITED STATES SECURITIES AND EXCHANGE OMB Number: 3235-0006 COMMISSION Expires: July 31, 2015 Washington, D.C. 20549 Estimated average burden hours per response: 23.8 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 09-30-2020 Check here if Amendment: ☐ Amendment Number: This Amendment (Check only one.): ☐ is a restatement. ☐ adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Swiss National Bank Address: BOERSENSTRASSE 15 P.O. BOX 2800 ZURICH, V8 CH-8022 Form 13F File Number: 028-15577 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.