Harold Knox-Shaw and the Helwan Observatory
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Investing in the Future
CELEBRATING THE PAST INVESTING IN THE FUTURE Somerville College - Report for Donors FOR THE FINANCIAL PERIOD 01.08.11 – 31.07.12 Somerville College Contents CELEBRATING THE PAST From the Principal 3 Development Director’s Report 4 INVESTING The Somerville Campaign 6 IN THE FUTURE • Transforming Lives: Investing in Student Support 8 The Principal and Fellows of • Investing in Academic Excellence: Somerville College extend their Endowing Fellowships 10 most sincere thanks to the • Building for the Future: donors listed in this report for Improving our Facilities 12 their generous support of the The Indira Gandhi Centre College in 2011-12. for Sustainable Development 13 Every gift received makes The Annual Fund 14 a difference – 1,220 of you List of Donors 16 supported Somerville with During the financial period 01.08.11 - 31.07.12 restricted and unrestricted gifts Questions and Answers from 01.08.11 – 31.07.12. with Andrew Parker, Treasurer 22 Somerville College Woodstock Road, Oxford OX2 6HD E: [email protected] T: +44 (0) 1865 270600 (General) T: +44 (0) 1865 280626 (Development Office) www.some.ox.ac.uk/alumni Somerville is a registered charity. Charity Registration number: 1139440 From THE PRINCIPAL Thanks to your generosity, Somerville goes from strength to strength. CELEBRATING THE PAST INVESTING IN THE FUTURE he financial year covered by this report began with our Fellows and colleagues from across the University of a momentous occasion: the opening of our two new Oxford. Vitally important for Somerville’s graduate community, Taccommodation buildings on the University’s Radcliffe the generous grant from the Government of India will endow Observatory Quarter, next door to Somerville. -
The Comet's Tale, and Therefore the Object As a Whole Would the Section Director Nick James Highlighted Have a Low Surface Brightness
1 Diebold Schilling, Disaster in connection with two comets sighted in 1456, Lucerne Chronicle, 1513 (Wikimedia Commons) THE COMET’S TALE Comet Section – British Astronomical Association Journal – Number 38 2019 June britastro.org/comet Evolution of the comet C/2016 R2 (PANSTARRS) along a total of ten days on January 2018. Composition of pictures taken with a zoom lens from Teide Observatory in Canary Islands. J.J Chambó Bris 2 Table of Contents Contents Author Page 1 Director’s Welcome Nick James 3 Section Director 2 Melvyn Taylor’s Alex Pratt 6 Observations of Comet C/1995 01 (Hale-Bopp) 3 The Enigma of Neil Norman 9 Comet Encke 4 Setting up the David Swan 14 C*Hyperstar for Imaging Comets 5 Comet Software Owen Brazell 19 6 Pro-Am José Joaquín Chambó Bris 25 Astrophotography of Comets 7 Elizabeth Roemer: A Denis Buczynski 28 Consummate Comet Section Secretary Observer 8 Historical Cometary Amar A Sharma 37 Observations in India: Part 2 – Mughal Empire 16th and 17th Century 9 Dr Reginald Denis Buczynski 42 Waterfield and His Section Secretary Medals 10 Contacts 45 Picture Gallery Please note that copyright 46 of all images belongs with the Observer 3 1 From the Director – Nick James I hope you enjoy reading this issue of the We have had a couple of relatively bright Comet’s Tale. Many thanks to Janice but diffuse comets through the winter and McClean for editing this issue and to Denis there are plenty of images of Buczynski for soliciting contributions. 46P/Wirtanen and C/2018 Y1 (Iwamoto) Thanks also to the section committee for in our archive. -
Ira Sprague Bowen Papers, 1940-1973
http://oac.cdlib.org/findaid/ark:/13030/tf2p300278 No online items Inventory of the Ira Sprague Bowen Papers, 1940-1973 Processed by Ronald S. Brashear; machine-readable finding aid created by Gabriela A. Montoya Manuscripts Department The Huntington Library 1151 Oxford Road San Marino, California 91108 Phone: (626) 405-2203 Fax: (626) 449-5720 Email: [email protected] URL: http://www.huntington.org/huntingtonlibrary.aspx?id=554 © 1998 The Huntington Library. All rights reserved. Observatories of the Carnegie Institution of Washington Collection Inventory of the Ira Sprague 1 Bowen Papers, 1940-1973 Observatories of the Carnegie Institution of Washington Collection Inventory of the Ira Sprague Bowen Paper, 1940-1973 The Huntington Library San Marino, California Contact Information Manuscripts Department The Huntington Library 1151 Oxford Road San Marino, California 91108 Phone: (626) 405-2203 Fax: (626) 449-5720 Email: [email protected] URL: http://www.huntington.org/huntingtonlibrary.aspx?id=554 Processed by: Ronald S. Brashear Encoded by: Gabriela A. Montoya © 1998 The Huntington Library. All rights reserved. Descriptive Summary Title: Ira Sprague Bowen Papers, Date (inclusive): 1940-1973 Creator: Bowen, Ira Sprague Extent: Approximately 29,000 pieces in 88 boxes Repository: The Huntington Library San Marino, California 91108 Language: English. Provenance Placed on permanent deposit in the Huntington Library by the Observatories of the Carnegie Institution of Washington Collection. This was done in 1989 as part of a letter of agreement (dated November 5, 1987) between the Huntington and the Carnegie Observatories. The papers have yet to be officially accessioned. Cataloging of the papers was completed in 1989 prior to their transfer to the Huntington. -
Download the AAS 2011 Annual Report
2011 ANNUAL REPORT AMERICAN ASTRONOMICAL SOCIETY aas mission and vision statement The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe. 1. The Society, through its publications, disseminates and archives the results of astronomical research. The Society also communicates and explains our understanding of the universe to the public. 2. The Society facilitates and strengthens the interactions among members through professional meetings and other means. The Society supports member divisions representing specialized research and astronomical interests. 3. The Society represents the goals of its community of members to the nation and the world. The Society also works with other scientific and educational societies to promote the advancement of science. 4. The Society, through its members, trains, mentors and supports the next generation of astronomers. The Society supports and promotes increased participation of historically underrepresented groups in astronomy. A 5. The Society assists its members to develop their skills in the fields of education and public outreach at all levels. The Society promotes broad interest in astronomy, which enhances science literacy and leads many to careers in science and engineering. Adopted 7 June 2009 A S 2011 ANNUAL REPORT - CONTENTS 4 president’s message 5 executive officer’s message 6 financial report 8 press & media 9 education & outreach 10 membership 12 charitable donors 14 AAS/division meetings 15 divisions, committees & workingA groups 16 publishing 17 public policy A18 prize winners 19 member deaths 19 society highlights Established in 1899, the American Astronomical Society (AAS) is the major organization of professional astronomers in North America. -
Living with New Developments in Jericho and Walton Manor
LIVING WITH NEW DEVELOPMENTS IN JERICHO AND WALTON MANOR A discussion paper examining the likely impacts upon the neighbourhood of forthcoming and expected developments Paul Cullen – November 2010 1. Introduction 2. Developments approved or planned 3. Likely effects of the developments 3.1 More people living in the area. 3.2 More people visiting the area daily 3.3 Effects of construction 4. Likely outcomes of more residents and more visitors 4.1 More activity in the neighbourhood every day 4.2 More demand for shops, eating, drinking and entertainment 4.3 More vehicles making deliveries and servicing visits to the area 4.4 More local parking demand 4.5 Demand for places at local schools will grow 5. Present day problems in the neighbourhood 5.1 The night-time economy – and litter 5.2 Transient resident population 5.3 Motor traffic congestion and air pollution 5.4 Narrow and obstructed footways 6. Wider issues of travel and access 6.1 Lack of bus links between the rail station and Woodstock Road 6.2 Lack of a convenient pedestrian/cycle link to the rail station and West End 6.3 The need for travel behaviour change 7. The need for a planning led response 7.1 Developer Contributions 7.2 How should developers contribute? 7.3 What are the emerging questions? 8. Next steps – a dialogue between the community, planners and developers 1 LIVING WITH NEW DEVELOPMENTS IN JERICHO AND WALTON MANOR A discussion paper examining the likely impacts upon the neighbourhood of forthcoming and expected developments 1. Introduction Many new developments are planned or proposed in or near Jericho and these will have a substantial impact on the local community. -
A Review on Substellar Objects Below the Deuterium Burning Mass Limit: Planets, Brown Dwarfs Or What?
geosciences Review A Review on Substellar Objects below the Deuterium Burning Mass Limit: Planets, Brown Dwarfs or What? José A. Caballero Centro de Astrobiología (CSIC-INTA), ESAC, Camino Bajo del Castillo s/n, E-28692 Villanueva de la Cañada, Madrid, Spain; [email protected] Received: 23 August 2018; Accepted: 10 September 2018; Published: 28 September 2018 Abstract: “Free-floating, non-deuterium-burning, substellar objects” are isolated bodies of a few Jupiter masses found in very young open clusters and associations, nearby young moving groups, and in the immediate vicinity of the Sun. They are neither brown dwarfs nor planets. In this paper, their nomenclature, history of discovery, sites of detection, formation mechanisms, and future directions of research are reviewed. Most free-floating, non-deuterium-burning, substellar objects share the same formation mechanism as low-mass stars and brown dwarfs, but there are still a few caveats, such as the value of the opacity mass limit, the minimum mass at which an isolated body can form via turbulent fragmentation from a cloud. The least massive free-floating substellar objects found to date have masses of about 0.004 Msol, but current and future surveys should aim at breaking this record. For that, we may need LSST, Euclid and WFIRST. Keywords: planetary systems; stars: brown dwarfs; stars: low mass; galaxy: solar neighborhood; galaxy: open clusters and associations 1. Introduction I can’t answer why (I’m not a gangstar) But I can tell you how (I’m not a flam star) We were born upside-down (I’m a star’s star) Born the wrong way ’round (I’m not a white star) I’m a blackstar, I’m not a gangstar I’m a blackstar, I’m a blackstar I’m not a pornstar, I’m not a wandering star I’m a blackstar, I’m a blackstar Blackstar, F (2016), David Bowie The tenth star of George van Biesbroeck’s catalogue of high, common, proper motion companions, vB 10, was from the end of the Second World War to the early 1980s, and had an entry on the least massive star known [1–3]. -
Variable Star Classification and Light Curves Manual
Variable Star Classification and Light Curves An AAVSO course for the Carolyn Hurless Online Institute for Continuing Education in Astronomy (CHOICE) This is copyrighted material meant only for official enrollees in this online course. Do not share this document with others. Please do not quote from it without prior permission from the AAVSO. Table of Contents Course Description and Requirements for Completion Chapter One- 1. Introduction . What are variable stars? . The first known variable stars 2. Variable Star Names . Constellation names . Greek letters (Bayer letters) . GCVS naming scheme . Other naming conventions . Naming variable star types 3. The Main Types of variability Extrinsic . Eclipsing . Rotating . Microlensing Intrinsic . Pulsating . Eruptive . Cataclysmic . X-Ray 4. The Variability Tree Chapter Two- 1. Rotating Variables . The Sun . BY Dra stars . RS CVn stars . Rotating ellipsoidal variables 2. Eclipsing Variables . EA . EB . EW . EP . Roche Lobes 1 Chapter Three- 1. Pulsating Variables . Classical Cepheids . Type II Cepheids . RV Tau stars . Delta Sct stars . RR Lyr stars . Miras . Semi-regular stars 2. Eruptive Variables . Young Stellar Objects . T Tau stars . FUOrs . EXOrs . UXOrs . UV Cet stars . Gamma Cas stars . S Dor stars . R CrB stars Chapter Four- 1. Cataclysmic Variables . Dwarf Novae . Novae . Recurrent Novae . Magnetic CVs . Symbiotic Variables . Supernovae 2. Other Variables . Gamma-Ray Bursters . Active Galactic Nuclei 2 Course Description and Requirements for Completion This course is an overview of the types of variable stars most commonly observed by AAVSO observers. We discuss the physical processes behind what makes each type variable and how this is demonstrated in their light curves. Variable star names and nomenclature are placed in a historical context to aid in understanding today’s classification scheme. -
121012-AAS-221 Program-14-ALL, Page 253 @ Preflight
221ST MEETING OF THE AMERICAN ASTRONOMICAL SOCIETY 6-10 January 2013 LONG BEACH, CALIFORNIA Scientific sessions will be held at the: Long Beach Convention Center 300 E. Ocean Blvd. COUNCIL.......................... 2 Long Beach, CA 90802 AAS Paper Sorters EXHIBITORS..................... 4 Aubra Anthony ATTENDEE Alan Boss SERVICES.......................... 9 Blaise Canzian Joanna Corby SCHEDULE.....................12 Rupert Croft Shantanu Desai SATURDAY.....................28 Rick Fienberg Bernhard Fleck SUNDAY..........................30 Erika Grundstrom Nimish P. Hathi MONDAY........................37 Ann Hornschemeier Suzanne H. Jacoby TUESDAY........................98 Bethany Johns Sebastien Lepine WEDNESDAY.............. 158 Katharina Lodders Kevin Marvel THURSDAY.................. 213 Karen Masters Bryan Miller AUTHOR INDEX ........ 245 Nancy Morrison Judit Ries Michael Rutkowski Allyn Smith Joe Tenn Session Numbering Key 100’s Monday 200’s Tuesday 300’s Wednesday 400’s Thursday Sessions are numbered in the Program Book by day and time. Changes after 27 November 2012 are included only in the online program materials. 1 AAS Officers & Councilors Officers Councilors President (2012-2014) (2009-2012) David J. Helfand Quest Univ. Canada Edward F. Guinan Villanova Univ. [email protected] [email protected] PAST President (2012-2013) Patricia Knezek NOAO/WIYN Observatory Debra Elmegreen Vassar College [email protected] [email protected] Robert Mathieu Univ. of Wisconsin Vice President (2009-2015) [email protected] Paula Szkody University of Washington [email protected] (2011-2014) Bruce Balick Univ. of Washington Vice-President (2010-2013) [email protected] Nicholas B. Suntzeff Texas A&M Univ. suntzeff@aas.org Eileen D. Friel Boston Univ. [email protected] Vice President (2011-2014) Edward B. Churchwell Univ. of Wisconsin Angela Speck Univ. of Missouri [email protected] [email protected] Treasurer (2011-2014) (2012-2015) Hervey (Peter) Stockman STScI Nancy S. -
23 Minor Planet Bulletin 41
23 observation interval. The overall form of the lightcurve did not of the other observatories. To make the large number of data points change perceptibly with phase angle or viewing aspect. in the segments of the lightcurve included by Organ Mesa observations more legible, those data have been binned in sets of Further evidence against the double period near 72.6 hours is five points with a maximum of ten minutes between points. provided by Schober et al. (1993). They draw a composite bimodal lightcurve phased to 36.0 hours based on data from 6 consecutive References nights with about 60% phase coverage. Overlapping sessions on this lightcurve centered near 1989 Nov 30.3 and Dec 3.3 each Behrend, R. (2005). Observatoire de Geneve web site. show a small rise followed by a fall greater than 0.4 magnitudes in http://obswww.unige.ch/~behrend/page_cou.html about 6 hours. This sets a lower limit in their data for the amplitude. An amplitude as large as 0.4 magnitudes is possible Higgins, D.J., Menke, J., Pozzoli, V., Sheridan, E., and Dymock, only for a bimodal lightcurve. R. (2004). “Lightcurve and Period Determination for 582 Olympia.” Minor Planet Bull. 31, 12. Independently, Franco drew an H-G plot based only on sparse data from the U.S. Naval Observatory (USNO), i.e., not including any JPL (2013). http://ssd.jpl.nasa.gov/sbdb.cgi of the new photometry. These data contain no correction for rotational variation and in include the inherent scatter in the USNO Menke, J. (2011). Menke Scientific, Ltd. -
The Warped Ways of Cosmic Light
BIOLOGIE & MEDIZIN_Infektionsbiologie “Around that area there are indeed numerous small nebulous patches so close together that, upon seeing the region, one is positively startled by the strange appearance of this ‘nebula cluster’.” This was the sentiment expressed by Heidelberg-based astronomer Max Wolf in 1901 about the galaxy cluster in the constellation Coma Berenices. The cluster Abell 2218 presents a similar appearance to the viewer today on this image from the Hubble Space Telescope. The “strange appearance” – the many blue and orange arcs – owes, in this case, to the effect of a gravitational lens. PHYSICS & ASTRONOMY_Gravitational Lenses The Warped Ways of Cosmic Light Albert Einstein predicted them, modern giant telescopes detected them – and Klaus Dolag simulates them on a computer: gravitational lenses. The academic staff member at the Max Planck Institute for Astrophysics in Garching and at the University Observatory Munich uses this physical phenomenon to such ends as weighing galaxy clusters and probing that ominous substance known as dark matter. TEXT HELMUT HORNUNG he sky over Principe was a total eclipse of the Sun. The test was More recent analyses of Eddington’s cloudy and the mood in the simple: if a massive object bends space, findings show that the values measured camp on the coconut plan- then the Sun must also cause the pass- at that time did, indeed, correspond to tation had hit rock bottom. ing light from stars to deviate from its the prediction, but that they are appar- Having set out from Eng- straight course. In other words, the ently the result of an instrument error T land, the men had been traveling for points of light in the immediate vicin- of, as it so happens, the very same mag- weeks to reach the volcanic island in ity of the black Sun should be shifted nitude. -
Trojan Search at ESO E
Lf) provide an effective method (a) to dis Kron and A Renzini, (Dordrecht: Reidel), o criminate galaxy morphology, (b) to p.61. evaluate their intrinsic evolution and (c) Buzzoni, A: 1988, in preparation. Butcher, H. and Oemler, A.: 1984, Ap. J., 285, to estimate redshift with an accuracy of 426. 0.05. We emphasize that two main ± Coleman, G.D., Wu, C. C. and Weedman, ...--...0 requirements have to be fulfilled in order Q() D. W.: 1980, Ap. J. Supp., 43, 393. <\l to reach such a fair resolution in explor Couch, W.J. and Newell, E. B.: 1984, Ap. J., E ing the universe at large distances: 56,143. '-' <J Lf) (i) we need to observe clusters instead Couch, W.J., Ellis, R.S., Godwin, J. and Car o o of field galaxies to be able to recognize ter, 0.: 1983, MN.R.A.S., 205,1287. them with high statistical confidence; Ellis, R. S., Couch, W. J., Maclaren, I. and (ii) we need a combined comparison Koo, D.C.: 1985, MN.R.A.S., 217, 239. 2158+0351 Gunn, J. E., Hoessel, I. G. and Oke, J. B.: with evolutionary models, in order to 1986, Ap. J., 306, 30. properly account for the intrinsic photo Koo, D. C.: 1981, Ap. J. (Lett), 251, L 75. 0.4 0.5 metric properties as we use galaxies as Loh, E.D. and Spillar, E.J.: 1986, Ap. J., 303, REDSHI8 T standard candles in the cosmological 154. Figure 8: The photometrie determination of framework. Maclaren, 1., Ellis, R.S. and Couch, W.J.: the redshift of the cluster 2158 + 0351. -
Lyman Spitzer 1914–1997
OBITUARIES ried out sonar analysis at Columbia University Lyman Spitzer as a guide to anti-submarine tactics. After the Deaths of Fellows 1914–1997 war, he went back briefly to Yale and in 1947 he was invited to succeed Russell as Professor of Prof. J Wdowczyk yman Spitzer died on 31 March 1997 at Astronomy at Princeton. He accepted, and held Born 28 July 1935 the age of 82. He had a remarkably pro- the post until his formal retirement in 1982. Elected 11 April 1980 Lductive career that spanned quite diverse At Princeton he developed his theories of the Died 6 September 1996 areas of activity and led him to become one of interstellar medium, and the application of his Dr C P Gopalaraman the most influential American scientists of his great knowledge and understanding of physics Born 1 July 1938 time. His personal theoretical contributions to raised the subject to an exciting level. He Elected 13 May 1994 interstellar astronomy and to plasma physics quickly realized that observations of the inter- Died 3 September 1997 quickly established him as a world leader in each stellar gas were most important in the ultra- Mr S Bradford Downloaded from https://academic.oup.com/astrogeo/article/38/6/36/194930 by guest on 24 September 2021 field. He was a pioneer in the opening up of violet where most of the resonance lines of the Born 28 February 1912 common elements lay. This led to a proposal Elected 14 April 1961 for an ultraviolet observatory satellite designed Died ? specifically to study the interstellar medium.