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Successful Observing Sessions HOWL-EEN FUN Kepler’S Supernova Remnant Harvard’S Plate Project and Women Computers
Published by the Astronomical League Vol. 69, No. 4 September 2017 Successful Observing Sessions HOWL-EEN FUN Kepler’s Supernova Remnant Harvard’s Plate Project and Women Computers T HE ASTRONOMICAL LEAGUE 1 he 1,396th entry in John the way to HR 8281, is the Dreyer’s Index Catalogue of Elephant’s Trunk Nebula. The T Nebulae and Clusters of left (east) edge of the trunk Stars is associated with a DEEP-SKY OBJECTS contains bright, hot, young galactic star cluster contained stars, emission nebulae, within a large region of faint reflection nebulae, and dark nebulosity, and a smaller region THE ELEPHANT’S TRUNK NEBULA nebulae worth exploring with an within it called the Elephant’s 8-inch or larger telescope. Trunk Nebula. In general, this By Dr. James R. Dire, Kauai Educational Association for Science & Astronomy Other features that are an entire region is absolute must to referred to by the check out in IC pachyderm 1396 are the proboscis phrase. many dark IC 1396 resides nebulae. Probably in the constellation the best is Cepheus and is Barnard 161. This located 2,400 light- dark nebula is years from Earth. located 15 To find IC 1396, arcminutes north start at Alpha of SAO 33652. Cephei, a.k.a. The nebula Alderamin, and go measures 5 by 2.5 five degrees arcminutes in southeast to the size. The nebula is fourth-magnitude very dark. Myriad red star Mu Cephei. Milky Way stars Mu Cephei goes by surround the the Arabic name nebula, but none Erakis. It is also can be seen in called Herschel’s this small patch of Garnet Star, after the sky. -
Spaziergang Unter Sternen“ – Im Tübinger Ferienprogramm 2012 Ausgerichtet Von Der Astronomischen Vereinigung Tübingen E.V
„Spaziergang unter Sternen“ – im Tübinger Ferienprogramm 2012 Ausgerichtet von der Astronomischen Vereinigung Tübingen e.V. = AVT (www.sternwarte-tuebingen.de); Wolfgang Martin Wettlaufer Der Sternenhimmel – in der freien Natur ist der nur zu erkennen unter einem dunklen Firmament. Weil die Sterne so unglaublich weit in der Ferne stehen, erscheinen sie uns nur als feine Lichtpunkte. Trotzdem sind sie gewaltige Himmelskörper wie ‚unser‘ Stern: die Sonne, und deshalb vermögen sie so blendend zu leuchten wie sie. Wie groß, wie hell und wie fern uns die Gestirne sind, das zu erkennen haben Astronomen lange forschen müssen! Wir wollen ein wenig über sie erfahren, während wir mit bloßen Augen und mit Ferngläsern zu ihnen aufblicken (abschließend noch mit den großen Teleskopen der Sternwarte). Auch ein paar von den 88 Sternbildern, die es am Himmel gibt, werden wir kennenlernen; oft bilden weniger helle Sterne ihre Umrisse. Deshalb wählen wir uns für einen tieferen Blick auf dieses große „Naturschauspiel“ auch einen mondlosen Abend, und dazu einen Ort, der möglichst weitab vom Streulicht der vielen Lampen gelegen ist. An den Anfang stellen wir nun ein wenig bekanntes Sternbild, das sich im Spätsommer und Herbst aber gut beobachten läßt; es steht abends im Norden hoch am Himmel: CEPHEUS. Benannt nach einem König aus der antiken griechischen Sagenwelt (die Nachbar-Sternbilder Cassiopeia = das „Himmels-W“, und Andromeda gehören auch dazu), zeigt es uns einige „bunte“ Sterne – rötlich oder blau sind sie gefärbt, was uns richtig erst im Fernglas oder Fernrohr auffällt! Hier der CEPHEUS über der Sternwartenkuppel: Nördlicher α Cephei = Alderamin Beta Cephei Himmelspol +Polarstern Größter Riesenstern: VV Cephei (Doppel) µ Cephei: Granatstern 2002: Komet Ikeya-Zhang Zeta Cephei Gamma Cephei Jota Cephei Delta Cephei Tübinger Sternwarte, 8,2-m-Kuppel (von 1956) Abb. -
The Impact of Giant Stellar Outflows on Molecular Clouds
The Impact of Giant Stellar Outflows on Molecular Clouds A thesis presented by H´ector G. Arce Nazario to The Department of Astronomy in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the subject of Astronomy Harvard University Cambridge, Massachusetts October, 2001 c 2001, by H´ector G. Arce Nazario All Rights Reserved ABSTRACT Thesis Advisor: Alyssa A. Goodman Thesis by: H´ector G. Arce Nazario We use new millimeter wavelength observations to reveal the important effects that giant (parsec-scale) outflows from young stars have on their surroundings. We find that giant outflows have the potential to disrupt their host cloud, and/or drive turbulence there. In addition, our study confirms that episodicity and a time-varying ejection axis are common characteristics of giant outflows. We carried out our study by mapping, in great detail, the surrounding molecular gas and parent cloud of two giant Herbig-Haro (HH) flows; HH 300 and HH 315. Our study shows that these giant HH flows have been able to entrain large amounts of molecular gas, as the molecular outflows they have produced have masses of 4 to 7 M |which is approximately 5 to 10% of the total quiescent gas mass in their parent clouds. These outflows have injected substantial amounts of −1 momentum and kinetic energy on their parent cloud, in the order of 10 M km s and 1044 erg, respectively. We find that both molecular outflows have energies comparable to their parent clouds' turbulent and gravitationally binding energies. In addition, these outflows have been able to redistribute large amounts of their surrounding medium-density (n ∼ 103 cm−3) gas, thereby sculpting their parent cloud and affecting its density and velocity distribution at distances as large as 1 to 1.5 pc from the outflow source. -
Molecular Jets and Outflows from Young Stellar Objects in Cygnus-X, Auriga, and Cassiopeia
Kent Academic Repository Full text document (pdf) Citation for published version Makin, Sally Victoria (2019) Molecular jets and outflows from young stellar objects in Cygnus-X, Auriga, and Cassiopeia. Doctor of Philosophy (PhD) thesis, University of Kent,. DOI Link to record in KAR https://kar.kent.ac.uk/72857/ Document Version UNSPECIFIED Copyright & reuse Content in the Kent Academic Repository is made available for research purposes. Unless otherwise stated all content is protected by copyright and in the absence of an open licence (eg Creative Commons), permissions for further reuse of content should be sought from the publisher, author or other copyright holder. Versions of research The version in the Kent Academic Repository may differ from the final published version. Users are advised to check http://kar.kent.ac.uk for the status of the paper. Users should always cite the published version of record. Enquiries For any further enquiries regarding the licence status of this document, please contact: [email protected] If you believe this document infringes copyright then please contact the KAR admin team with the take-down information provided at http://kar.kent.ac.uk/contact.html UNIVERSITY OF KENT DOCTORAL THESIS Molecular jets and outflows from young stellar objects in Cygnus-X, Auriga, and Cassiopeia Author: Supervisor: Sally Victoria MAKIN Dr. Dirk FROEBRICH A thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy in the Centre for Astrophysics and Planetary Science School of Physical Sciences January 30, 2019 Declaration of Authorship I, Sally Victoria MAKIN, declare that this thesis titled, “Molecular jets and outflows from young stellar objects in Cygnus-X, Auriga, and Cassiopeia” and the work presented in it are my own. -
Proquest Dissertations
IMPROVING OUR UNDERSTANDING OF SRC VARIABLE STARS by Kathleen Elizabeth Moncrieff A thesis submitted to the faculty of Saint Mary's University in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Astronomy April 2011, Halifax, Nova Scotia Copyright © 2011 Kathleen Elizabeth Moncrieff Approved: Dr. David G. Turner, Chair Approved: Dr. C. Ian Short, Committee Member Approved: Dr. Eric G. Hintz, External Examiner Date: April 20, 2011 Library and Archives Bibliotheque et 1*1 Canada Archives Canada Published Heritage Direction du Branch Patrimoine de I'edition 395 Wellington Street 395, rue Wellington OttawaONK1A0N4 OttawaONK1A0N4 Canada Canada Your file Votre reference ISBN: 978-0-494-79650-4 Our file Notre reference ISBN: 978-0-494-79650-4 NOTICE: AVIS: The author has granted a non L'auteur a accorde une licence non exclusive exclusive license allowing Library and permettant a la Bibliotheque et Archives Archives Canada to reproduce, Canada de reproduire, publier, archiver, publish, archive, preserve, conserve, sauvegarder, conserver, transmettre au public communicate to the public by par telecommunication ou par I'lnternet, prefer, telecommunication or on the Internet, distribuer et vendre des theses partout dans le loan, distribute and sell theses monde, a des fins commerciales ou autres, sur worldwide, for commercial or non support microforme, papier, electronique et/ou commercial purposes, in microform, autres formats. paper, electronic and/or any other formats. The author retains copyright L'auteur conserve la propriete du droit d'auteur ownership and moral rights in this et des droits moraux qui protege cette these. Ni thesis. Neither the thesis nor la these ni des extraits substantiels de celle-ci substantial extracts from it may be ne doivent etre imprimes ou autrement printed or otherwise reproduced reproduits sans son autorisation. -
BAV Rundbrief Nr. 1 (2020)
BAV Rundbrief 2020 | Nr. 1 | 69. Jahrgang | ISSN 0405-5497 Bundesdeutsche Arbeitsgemeinschaft für Veränderliche Sterne e.V. (BAV) Lichtkurve von BAV Rundbrief 2020 | Nr. 1 | 69. Jahrgang | ISSN 0405-5497 Table of Contents G. Maintz RR Lyrae star LY Com - a RRc star with double maximum 1 G. Maintz RR Lyrae stars CO and UX Lyrae 5 Inhaltsverzeichnis G. Maintz Der RR-Lyrae-Stern LY Com - ein RRc-Stern mit Doppelmaximum 1 G. Maintz Die RR-Lyrae-Sterne CO und UX Lyrae 5 Beobachtungsberichte N. Steenken / Welchen Zusammenhang gibt es bei dem Bedeckungsveränderlichen J. Simpson AH Cep zwischen der Lichtkurve und der variablen Polarisation? 9 W. Vollmann Minimum von Gamma Persei im November 2019 20 W. Vollmann Minimum von Zeta Aurigae im November 2019 (Okt.-Dez. 2019) 23 K. Bernhard / TW Col: ein α2-CVn-Veränderlicher mit komplexer Lichtkurve 29 S. Hümmerich R. Gröbel Die fortlaufende Beobachtung eines Novaähnlichen Kataklysmischen und Entdeckung eines weiteren Mitglieds dieser Gruppe 33 K. Wenzel Überraschende Echoausbrüche von ASASSN-18ey und TCP J1040470+4631129 46 D. Bannuscher Anmerkungen zum BAV Rundbrief 1-2020 49 P. B. Lehmann Welche Photometrie- und Spektraluntersuchungen sind dem Stern- freund, dem Liebhaber- und Amateurastronomen zugänglich? Teil 3 50 D. Bannuscher My Cephei (µ Cephei) - ein heller, zirkumpolarer Veränderlicher 54 Aus der Literatur Aus der BAV L. Pagel Einladung zum BAV-Veränderlichenbeobachter-Treffen am 15. und 16. Mai 2020 in Hartha 56 A. Barchfeld BAV: Ankündigung SEPA-Einzug Mitgliederbeiträge 2020 56 G. Flechsig Nicht nur für Einsteiger: BAV-Urlaubswoche und Veränderlichen- beobachtung 2020 57 D. Bannuscher Auf der Argelander-Tagung 2019 in Bornheim 58 W. -
OCTOBER 2009 OBSERVER Inside the the Chill’S A-Comin’ Observer
THE DENVER OBSERVER OCTOBER 2009 OBSERVER Inside the The Chill’s a-Comin’ Observer President’s Corner........................... 2 Society Directory............................. 2 Prelude Lake................................... 3 New Scope Operator......................... 5 New Members.................................. 5 Astronomical League....................... 6 NASA’S Space Place......................... 7 Schedule of Events.............. back page Calendar 4.................................................... Full moon BUT NOWHERE NEAR THE TEMPERATURE INSIDE THE MU CEPHEI NEBULA 11..................................... Last quarter moon CLOUD, IC 1396 IN CEPHEUS, WHERE A FRIGID -290ᵒ AWAITS A STELLAR ADVENTURER 17.................................................. New moon Joe used an SBIG ST-2000XM ccd camera with a 110mm Mamiya RZ lens at f/5.6. Please contact Joe for more technical details. The bright orange star is Mu Cephei, the Garnet Star; 24........................ Colorado Astronomy Day the Elephant Trunk nebula portion is right of center. 25.................................... First quarter moon Image copyright 2009 Joe Gafford OCTOBER SKIES by Dennis Cochran upiter is already up in the south when darkness descends, situated along Alpha Aquarius, the star at the top of the arc of that constellation. Above it J the top left of Capricornus’ goat-ee jester grin. Above Jupiter and the a short way and a bit west is the slightly brighter red star, Enif, at the end of Goat is the water jug of Aquarius, in case you’ve ever wondered where one of Pegasus’ legs. Just northwest of Enif is M15, one of the best globulars this elusive constellation lies. Wasn’t there an Age of Aquarius? Perhaps that on the list. If you then drop from Enif or M15, straight south about 2/3 of was when the New Age movement was born. -
The Stunning Orion Nebula FREE SHIPPING to Anywhere in Canada, All Products, Always KILLER VIEWS of PLANETS
The Journal of The Royal Astronomical Society of Canada PROMOTING ASTRONOMY IN CANADA October/octobre 2011 Volume/volume 105 Le Journal de la Société royale d’astronomie du Canada Number/numéro 5 [750] Inside this issue: Decans, Djed Pillars, and Seasonal-Hours in Ancient Egypt Astronomy Outreach in Cuba: Trip Two Discovery of the Expansion of the Universe Palomar Oranges To See the Stars Anew The stunning Orion Nebula FREE SHIPPING To Anywhere in Canada, All Products, Always KILLER VIEWS OF PLANETS CT102 NEW FROM CANADIAN TELESCOPES 102mm f:11 Air Spaced Doublet Achromatic Fraunhoufer Design CanadianTelescopes.Com Largest Collection of Telescopes and Accessories from Major Brands VIXEN ANTARES MEADE EXPLORE SCIENTIFIC CELESTRON CANADIAN TELESCOPES TELEGIZMOS IOPTRON LUNT STARLIGHT INSTRUMENTS OPTEC SBIG TELRAD HOTECH FARPOINT THOUSAND OAKS BAADER PLANETRAIUM ASTRO TRAK ASTRODON RASC LOSMANDY CORONADO BORG QSI TELEVUE SKY WATCHER . and more to come October/octobre 2011 | Vol. 105, No. 5 | Whole Number 750 contents / table des matières Feature Articles / Articles de fond Columns / Rubriques 187 Decans, Djed Pillars, and Seasonal-Hours in 205 Cosmic Contemplations: Widefield Astro Imaging Ancient Egypt with the new Micro 4/3rds Digital Cameras by William W. Dodd by Jim Chung 195 Astronomy Outreach in Cuba: Trip Two 209 On Another Wavelength: M56—A Globular by David M.F. Chapman Cluster in Lyra by David Garner 197 Discovery of the Expansion of the Universe by Sidney van den Bergh 210 The Affair of the Sir Adam Wilson Telescope, Societal Negligence, and the Damning Miller Report 199 Palomar Oranges by R.A. Rosenfeld by Ken Backer 214 Second Light: A Conference to Remember 199 To See the Stars Anew by Leslie J. -
The Observer
The Observer The Official Publication of the Lehigh Valley Amateur Astronomical Society https://lvaas.org/ https://www.facebook.com/lvaas.astro September, 2019 Volume 59 Issue 09 1 The Elephant Trunk nebula in constellation Cepheus, imaged in narrowband (H alpha, SII, and OIII); 10 minute exposures (30 frames of H alpha, 16 frames O3, 17 frames S3) for just over 10 hours cumulative exposure time. I processed in DSS and photoshop and used a modified Hubble palette (SHO) where green is changed to a more pleasing gold color. Imaged by Jason Zicherman. Cover image: The Dumbbell nebula by Jason Zicherman Date of acquisition: 7/11,7/13,7/20, 2019; H alpha 600 second exposures x 10; luminosity 300 seconds exposure x 15, RGB 300 seconds x 15 each; processed in Deep sky stacker and Photoshop; Acquired with Sequence Generator Pro and PHD2; H alpha data was layered on top of LRGB as an additional Luminosity layer. Tec 140 f7 scope on Astrophysics 1100 Goto mount, TEC 0.9x flattener/reducer. Camera: QSI 685 wsg; Astrodon filters, off axis guider: Ultrastar 2 ad ast ra*********************************************** Have you visited Pulpit Rock lately (or ever)? If not, you are missing out on one of the greatest benefits of LVAAS membership. We will all probably remember this summer for the excessive rain that we experienced in the beginning of the season, and the record-breaking heat in July, but let's also remember the really fine evenings we had for several LVAAS events on the mountain. M eg a M eet We only needed to reschedule Mega Meet once this year, but the revised date crept up and surprised me. -
October 2020 BRAS Newsletter
A Neowise Comet 2020, photo by Ralf Rohner of Skypointer Photography Monthly Meeting October 12th at 7:00 PM, via Jitsi (Monthly meetings are on 2nd Mondays at Highland Road Park Observatory, temporarily during quarantine at meet.jit.si/BRASMeets). GUEST SPEAKER: Tom Field, President of Field Tested Systems and Contributing Editor for Sky & Telescope Magazine. His presentation is on Astronomical Spectra. What's In This Issue? President’s Message Secretary's Summary Business Meeting Minutes Outreach Report Asteroid and Comet News Light Pollution Committee Report Globe at Night Astro-Photos by BRAS Members Messages from the HRPO REMOTE DISCUSSION Solar Viewing Great Martian Opposition Uranian Opposition Lunar Halloween Party Edge of Night Observing Notes: Cepheus – The King Like this newsletter? See PAST ISSUES online back to 2009 Visit us on Facebook – Baton Rouge Astronomical Society BRAS YouTube Channel Baton Rouge Astronomical Society Newsletter, Night Visions Page 2 of 27 October 2020 President’s Message Happy October. I hope everybody has been enjoying this early cool front and the taste of fall that comes with it. More to our interests, I hope everybody has been enjoying the longer evenings thanks to our entering Fall. Soon, those nights will start even earlier as Daylight Savings time finally ends for the year— unfortunately, it may be the last Standard Time for some time. Legislation passed over the summer will mandate Louisiana doing away with Standard time if federal law allows, and a bill making it’s way through the US senate right not aims to do just that: so, if you prefer earlier sunsets, take the time to write your congressmen before it’s too late. -
O Personenregister
O Personenregister A alle Zeichnungen von Sylvia Gerlach Abbe, Ernst (1840 – 1904) 100, 109 Ahnert, Paul Oswald (1897 – 1989) 624, 808 Airy, George Biddell (1801 – 1892) 1587 Aitken, Robert Grant (1864 – 1951) 1245, 1578 Alfvén, Hannes Olof Gösta (1908 – 1995) 716 Allen, James Alfred Van (1914 – 2006) 69, 714 Altenhoff, Wilhelm J. 421 Anderson, G. 1578 Antoniadi, Eugène Michel (1870 – 1944) 62 Antoniadis, John 1118 Aravamudan, S. 1578 Arend, Sylvain Julien Victor (1902 – 1992) 887 Argelander, Friedrich Wilhelm August (1799 – 1875) 1534, 1575 Aristarch von Samos (um −310 bis −230) 627, 951, 1536 Aristoteles (−383 bis −321) 1536 Augustus, Kaiser (−62 bis 14) 667 Abbildung O.1 Austin, Rodney R. D. 907 Friedrich W. Argelander B Baade, Wilhelm Heinrich Walter (1893 – 1960) 632, 994, 1001, 1535 Babcock, Horace Welcome (1912 – 2003) 395 Bahtinov, Pavel 186 Baier, G. 408 Baillaud, René (1885 – 1977) 1578 Ballauer, Jay R. (*1968) 1613 Ball, Sir Robert Stawell (1840 – 1913) 1578 Balmer, Johann Jokob (1825 – 1898) 701 Abbildung O.2 Bappu, Manali Kallat Vainu (1927 – 1982) 635 Aristoteles Barlow, Peter (1776 – 1862) 112, 114, 1538 Bartels, Julius (1899 – 1964) 715 Bath, KarlLudwig 104 Bayer, Johann (1572 – 1625) 1575 Becker, Wilhelm (1907 – 1996) 606 Bekenstein, Jacob David (*1947) 679, 1421 Belopolski, Aristarch Apollonowitsch (1854 – 1934) 1534 Benzenberg, Johann Friedrich (1777 – 1846) 910, 1536 Bergh, Sidney van den (*1929) 1166, 1576, 1578 Bertone, Gianfranco 1423 Bessel, Friedrich Wilhelm (1784 – 1846) 628, 630, 1534 Bethe, Hans Albrecht (1906 – 2005) 994, 1010, 1535 Binnewies, Stefan (*1960) 1613 Blandford, Roger David (*1949) 723, 727 Blazhko, Sergei Nikolajewitsch (1870 – 1956) 1293 Blome, HansJoachim 1523 Bobrovnikoff, Nicholas T. -
Contrat Quinquennal 2016‐2020
Contrat Quinquennal 2016‐2020 Annexe 6 du dossier d’évaluation : Production Scientifique 19/09/2014 AERES Vague A IPAG / UMR5274 ANNEXE 6 : IPAG 2016-2020 PRODUCTION SCIENTIFIQUE Publications ACL par année et par équipe 100 90 80 astromol 70 cristal 60 fost 50 40 planeto 30 sherpas 20 multi 10 0 2009 2010 2011 2012 2013 Publications ACL par équipe 2009‐2013 sherpas 17% astromol 21% planeto cristal 15% 8% fost 39% 07/07/2014 PublIPAG 1 15 Principaux support de publication 2009‐2013 250 Nature Journal of Geophysical Research (Planets) 200 The Astrophysical Journal Supplement Series Journal of Space Weather and Space Climate Astroparticle Physics The Astronomical Journal 150 Science Experimental Astronomy Geochimica et Cosmochimica Acta 100 Journal of Chemical Physics Planetary and Space Science Icarus 50 Monthly Notices of the Royal Astronomical Society The Astrophysical Journal Astronomy and Astrophysics 0 2009 2010 2011 2012 2013 07/07/2014 PublIPAG 2 Liste des publications 2009‐2014 IPAG publications are counted by team. The sum of all team papers (1122) is larger than the number of papers for the whole laboratory (1068) because some publications are written in common between 2 ou more teams. There are 54 (=1122‐1068) 'multi‐team' papers during the period. ACL refereed articles (1068) ........................................................................................................ 4 ACL astromol (242) ...................................................................................................................................