Bibliography for the 21-Inch Telescope
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Variable Stars Observer Bulletin
Amateurs' Guide to Variable Stars September-October 2013 | Issue #2 Variable Stars Observer Bulletin ISSN 2309-5539 Twenty new W Ursae Majoris-type eclipsing binaries from the Catalina Sky Survey Details for 20 new WUMa systems are presented, along with a preliminary The FU Orionis phenomenon model of the FU Orionis stars are pre-main-sequence totally eclipsing eruptive variables which appear to be a system GSC stage in the development of T Tauri 03090-00153. stars. Image: FU Orionis. Credit: ESO NSVS 5860878 = Dauban V 171 Carbon in the sky: A new Mira variable in Cygnus a few remarkable carbon stars The list of the most interesting and bright carbon stars for northern observers is presented. Right: TT Cygni. A carbon star. Credit & Copyright: H.Olofsson (Stockholm Nova Observatory) et al. Delphini 2013 Nova has reached magnitude 4.3 visual The "Heavenly Owl" on August 16 observatory: seeing above the Black Sea waterfront VS-COMPAS Project: variable stars research and data mining. More at http://vs-compas.belastro.net Variable Stars Observer Bulletin Amateurs' Guide to Variable Stars September-October 2013 | Issue #2 C O N T E N T S 04 NSVS 5860878 = Dauban V 171: a new Mira variable in Cygnus by Ivan Adamin, Siarhey Hadon A new Mira variable in the constellation of Cygnus is presented. The variability of the NSVS 5860878 source was detected in January of 2012. Lately, the object was identified as the Dauban V171. A revision is submitted to the VSX. 06 Twenty new W Ursae Majoris-type eclipsing binaries Credit: Justin Ng from the Catalina Sky Survey by Stefan Hümmerich, Klaus Bernhard, Gregor Srdoc 16 Nova Delphini 2013: a naked-eye visible flare in A short overview of eclipsing binary northern skies stars and their traditional by Andrey Prokopovich classification scheme is given, which concentrates on W Ursae Majoris On August 14, 2013 a new bright star (WUMa)-type systems. -
Interstellarum 25 Schließen Wir Den Ersten Jahrgang Der Neuen Interstellarum-Hefte Ab
Liebe Leserinnen, liebe Leser, Meade gegen Celestron, das ist das große Duell der beiden Teleskopgiganten aus Amerika. Wir sind stolz darauf, als erste deutschsprachige Zeitschrift einen fairen Zweikampf der weltgröß- ten Fernrohrhersteller anbieten zu können; un- getrübt von wirtschaftlichen oder redaktionellen Vorbehalten. Dazu haben wir die neuen aufre- genden GPS-Teleskope von Meade und Celes- tron in einem Produktvergleich gegenüberge- stellt. Im ersten Teil in diesem Heft erfahren Sie mehr über Mechanik und Elektronik der beiden Computerteleskope (Seite 60); die Ergebnisse der Praxis unter den Sternen lesen Sie dann in einem kommenden Heft. Mit interstellarum 25 schließen wir den ersten Jahrgang der neuen interstellarum-Hefte ab. Ein Plus von 30% bei den Abonnentenzahlen spricht für unseren Weg, den wir konsequent fortsetzen Polarlichter in Deutschland (Foto: Thomas Jäger) werden. Dabei möchten wir verstärkt das Augen- merk auf hochqualitative Beiträge für praktisch tätige Amateurastronomen lenken. werden wir uns zusätzlich der Jupiterbeobach- tung und dem Merkurdurchgang vom 7.5.2003 2003 wird bei interstellarum zum Jahr der widmen. Schließlich stehen 2003 mit zwei Planetenbeobachtung ernannt. Auftakt ist der Mondfinsternissen und einer partiellen Sonnen- Beitrag zur Beobachtung der Saturnringe in die- finsternis drei weitere Großereignisse auf dem ser Ausgabe (Seite 34). Mit dem nächsten Heft Programm. beginnen wir zusätzlich eine intensive Vorberei- tung auf die große Mars-Opposition in diesem Was wir noch 2003 geplant haben, ist auf Sommer mit Beiträgen zu verschiedenen prakti- www.interstellarum.de nachzulesen. Ihren eige- schen Themenkreisen in jedem Heft. Verstärkt nen Bericht nehmen wir gerne entgegen. Mit interstellarum 25 endet die Comic-Serie Astromax (Seite 80), die Schöpfer Rainer Töpler aus Zeitgründen aufgeben muss – vielen Dank für die sechs kurzweiligen Geschichtchen. -
LIST of PUBLICATIONS Aryabhatta Research Institute of Observational Sciences ARIES (An Autonomous Scientific Research Institute
LIST OF PUBLICATIONS Aryabhatta Research Institute of Observational Sciences ARIES (An Autonomous Scientific Research Institute of Department of Science and Technology, Govt. of India) Manora Peak, Naini Tal - 263 129, India (1955−2020) ABBREVIATIONS AA: Astronomy and Astrophysics AASS: Astronomy and Astrophysics Supplement Series ACTA: Acta Astronomica AJ: Astronomical Journal ANG: Annals de Geophysique Ap. J.: Astrophysical Journal ASP: Astronomical Society of Pacific ASR: Advances in Space Research ASS: Astrophysics and Space Science AE: Atmospheric Environment ASL: Atmospheric Science Letters BA: Baltic Astronomy BAC: Bulletin Astronomical Institute of Czechoslovakia BASI: Bulletin of the Astronomical Society of India BIVS: Bulletin of the Indian Vacuum Society BNIS: Bulletin of National Institute of Sciences CJAA: Chinese Journal of Astronomy and Astrophysics CS: Current Science EPS: Earth Planets Space GRL : Geophysical Research Letters IAU: International Astronomical Union IBVS: Information Bulletin on Variable Stars IJHS: Indian Journal of History of Science IJPAP: Indian Journal of Pure and Applied Physics IJRSP: Indian Journal of Radio and Space Physics INSA: Indian National Science Academy JAA: Journal of Astrophysics and Astronomy JAMC: Journal of Applied Meterology and Climatology JATP: Journal of Atmospheric and Terrestrial Physics JBAA: Journal of British Astronomical Association JCAP: Journal of Cosmology and Astroparticle Physics JESS : Jr. of Earth System Science JGR : Journal of Geophysical Research JIGR: Journal of Indian -
Eclipsing Systems with Pulsating Components (Types Β Cep, Δ Sct, Γ Dor Or Red Giant) in the Era of High-Accuracy Space Data
galaxies Review Eclipsing Systems with Pulsating Components (Types b Cep, d Sct, g Dor or Red Giant) in the Era of High-Accuracy Space Data Patricia Lampens Royal Observatory of Belgium, Ringlaan 3, 1180 Brussels, Belgium; [email protected] Abstract: Eclipsing systems are essential objects for understanding the properties of stars and stellar systems. Eclipsing systems with pulsating components are furthermore advantageous because they provide accurate constraints on the component properties, as well as a complementary method for pulsation mode determination, crucial for precise asteroseismology. The outcome of space missions aiming at delivering high-accuracy light curves for many thousands of stars in search of planetary systems has also generated new insights in the field of variable stars and revived the interest of binary systems in general. The detection of eclipsing systems with pulsating components has particularly benefitted from this, and progress in this field is growing fast. In this review, we showcase some of the recent results obtained from studies of eclipsing systems with pulsating components based on data acquired by the space missions Kepler or TESS. We consider different system configurations including semi-detached eclipsing binaries in (near-)circular orbits, a (near-)circular and non-synchronized eclipsing binary with a chemically peculiar component, eclipsing binaries showing the heartbeat phenomenon, as well as detached, eccentric double-lined systems. All display one or more pulsating component(s). Among the great variety of known classes of pulsating stars, we discuss unevolved or slightly evolved pulsators of spectral type B, A or F and red giants with solar-like oscillations. Some systems exhibit additional phenomena such as tidal effects, angular momentum transfer, (occasional) Citation: Lampens, P. -
The Observer, November
The OBSERVER The Newsletter of the Twin City Amateur Astronomers, Inc. November 2001 Volume 26, Number 11 Adventures in Meteor Hunting — Duane Yockey In This Issue: REETINGS to my brother and and binoculars just in case the meteors sister sky watchers, didn't live up to their billing. Saturday G was clear here in central Illinois, and • Meteor Hunting Adventures ...1 when I got back from a Duane shows that he has the The long awaited day play at Illinois State right stuff as he tears after the of the Leonid meteor University around Leonids and finds them! shower arrived Satur- 10:30 p.m. the sky was day. I was really still showing lots of • TCAA Calendar ........................1 looking forward to stars. I called Laura Use our calendar to mark going out to the (my oldest daughter), your calendar. observatory with who said the skies were other Twin City clear down in southern • TCAA Annual Holiday Bash....3 Amateur Indiana and I could Party like it’s, um, 2001, at Astronomers and see- drive down there, if the Vic & Cindy’s! ............................ ing the "show" from clouds rolled in (ha, 2:00 a.m. to 6:00 a.m. ha). I assured her that • Club Notes................................4 early Sunday morn- the sky would cooper- Wow, it’s been a busy month! ing. So I packed my ate, and it was looking car early with a lawn good then, and I wished • Software Review: DSE ...........5 chair and threw in my her good luck (if she And just think, if you never telescope, star charts turn to page 5, you’ll never know continued on next page what DSE stands for.. -
00E the Construction of the Universe Symphony
The basic construction of the Universe Symphony. There are 30 asterisms (Suites) in the Universe Symphony. I divided the asterisms into 15 groups. The asterisms in the same group, lay close to each other. Asterisms!! in Constellation!Stars!Objects nearby 01 The W!!!Cassiopeia!!Segin !!!!!!!Ruchbah !!!!!!!Marj !!!!!!!Schedar !!!!!!!Caph !!!!!!!!!Sailboat Cluster !!!!!!!!!Gamma Cassiopeia Nebula !!!!!!!!!NGC 129 !!!!!!!!!M 103 !!!!!!!!!NGC 637 !!!!!!!!!NGC 654 !!!!!!!!!NGC 659 !!!!!!!!!PacMan Nebula !!!!!!!!!Owl Cluster !!!!!!!!!NGC 663 Asterisms!! in Constellation!Stars!!Objects nearby 02 Northern Fly!!Aries!!!41 Arietis !!!!!!!39 Arietis!!! !!!!!!!35 Arietis !!!!!!!!!!NGC 1056 02 Whale’s Head!!Cetus!! ! Menkar !!!!!!!Lambda Ceti! !!!!!!!Mu Ceti !!!!!!!Xi2 Ceti !!!!!!!Kaffalijidhma !!!!!!!!!!IC 302 !!!!!!!!!!NGC 990 !!!!!!!!!!NGC 1024 !!!!!!!!!!NGC 1026 !!!!!!!!!!NGC 1070 !!!!!!!!!!NGC 1085 !!!!!!!!!!NGC 1107 !!!!!!!!!!NGC 1137 !!!!!!!!!!NGC 1143 !!!!!!!!!!NGC 1144 !!!!!!!!!!NGC 1153 Asterisms!! in Constellation Stars!!Objects nearby 03 Hyades!!!Taurus! Aldebaran !!!!!! Theta 2 Tauri !!!!!! Gamma Tauri !!!!!! Delta 1 Tauri !!!!!! Epsilon Tauri !!!!!!!!!Struve’s Lost Nebula !!!!!!!!!Hind’s Variable Nebula !!!!!!!!!IC 374 03 Kids!!!Auriga! Almaaz !!!!!! Hoedus II !!!!!! Hoedus I !!!!!!!!!The Kite Cluster !!!!!!!!!IC 397 03 Pleiades!! ! Taurus! Pleione (Seven Sisters)!! ! ! Atlas !!!!!! Alcyone !!!!!! Merope !!!!!! Electra !!!!!! Celaeno !!!!!! Taygeta !!!!!! Asterope !!!!!! Maia !!!!!!!!!Maia Nebula !!!!!!!!!Merope Nebula !!!!!!!!!Merope -
The Fifth Level of Learning: the Vedic Gods
The Wes Penre Papers || The Fifth Level of Learning The Vedic Texts The Wes Penre Papers: The Vedic Texts The Fifth Level of Learning Part 2 by Wes Penre The Wes Penre Papers || The Fifth Level of Learning The Vedic Texts Copyright © 2014-2015 Wes Penre All rights reserved. This is an electronic paper free of charge, which can be downloaded, quoted from, and copied to be shared with other people, as long as nothing in this paper is altered or quoted out of context. Not for commercial use. Editing provided by Bob Stannard: www.twilocity.com 1st Edition, February 27, 2015 Wes Penre Productions Oregon, USA The Wes Penre Papers || The Fifth Level of Learning The Vedic Texts Table of Contents PAPER 10: THE NAKSHATRAS—THE GOD AND THEIR STAR SYSTEMS ...... 6 I. The Nakshatras or Lunar Mansions ...................................................................... 6 II. Star Systems and Constellations in Domain of the Orion Empire ...................... 9 ii.i. The Orion Empire in the Vedas ....................................................................... 17 III. Domains Conquered by the AIF with Marduk in Charge ................................ 20 IV. Star Systems and Constellations under En.ki’s Control .................................. 40 V. Asterism Ruled by Queen Ereškigal ................................................................. 61 PAPER 11: DISCUSSING STAR SYSTEMS NOT MENTIONED IN THE NAKSHATRAS ........................................................................................................... 65 I. Introduction -
GEORGE HERBIG and Early Stellar Evolution
GEORGE HERBIG and Early Stellar Evolution Bo Reipurth Institute for Astronomy Special Publications No. 1 George Herbig in 1960 —————————————————————– GEORGE HERBIG and Early Stellar Evolution —————————————————————– Bo Reipurth Institute for Astronomy University of Hawaii at Manoa 640 North Aohoku Place Hilo, HI 96720 USA . Dedicated to Hannelore Herbig c 2016 by Bo Reipurth Version 1.0 – April 19, 2016 Cover Image: The HH 24 complex in the Lynds 1630 cloud in Orion was discov- ered by Herbig and Kuhi in 1963. This near-infrared HST image shows several collimated Herbig-Haro jets emanating from an embedded multiple system of T Tauri stars. Courtesy Space Telescope Science Institute. This book can be referenced as follows: Reipurth, B. 2016, http://ifa.hawaii.edu/SP1 i FOREWORD I first learned about George Herbig’s work when I was a teenager. I grew up in Denmark in the 1950s, a time when Europe was healing the wounds after the ravages of the Second World War. Already at the age of 7 I had fallen in love with astronomy, but information was very hard to come by in those days, so I scraped together what I could, mainly relying on the local library. At some point I was introduced to the magazine Sky and Telescope, and soon invested my pocket money in a subscription. Every month I would sit at our dining room table with a dictionary and work my way through the latest issue. In one issue I read about Herbig-Haro objects, and I was completely mesmerized that these objects could be signposts of the formation of stars, and I dreamt about some day being able to contribute to this field of study. -
Boceto Revista Astronomica
El eclipse de Luna del 15 de abril de 2014 - fotografía por Alejandro Blain Año 86 Número 281 Mayo 2014 Asociación Argentina Amigos de la Astronomía Editorial Telescopio Remoto 4 Hace unas semanas estaba de docente con un grupo de estudiantes Artemio Luis Fava en Quiroga y sin internet cuando me llamó Inés (que había vuelto de CASLEO) para contarme la noticia: un grupo de investigadores había Tierra a la vista... 5 detectado el modo B de polarización… lo que confirmaba las predicciones Iván David Castillo de la teoría inflacionaria del Big Bang. Dicho de otro modo ¡el Big Bang está confirmado! Y por primera vez en mucho tiempo sentí que somos MAVEN - NASA 7 polvo de estrellas. María Agostina Gangemi Si bien mi exclamación no es del todo cierta (más que haberse confirmado el Big Bang, se ha ganado seguridad en el modelo y es posible Damas del cielo 11 explicar hasta más atrás en el tiempo), creo que es el hecho científico más María Marta Do Santos importante que haya ocurrido durante mi vida y agradezco a todos los que ayudaron a poder plasmarlo en esta revista. Contamos con un interesante En el CASLEO de campaña 17 artículo del Dr. Bengochea acompañado de una historieta de PHD Inés Simone Comics de los doctores Jorge Cham y Jon Kaufman (perteneciente al grupo de investigación de BICEP2). No dejen de visitar www.phdcomics. Zoología galáctica 19 com , www.caifa.com.ar ni www.facebook.com/ParalajeCientifico Mgter. Ezequiel Koile Más cerca de nosotros, en el planeta rojo, mientras el Curiosity sigue La inflación cósmica 22 caminando en la superficie (un poco rengo y reculando) se le aproximan Dr. -
Pulsating Components in Binary and Multiple Stellar Systems---A
Research in Astron. & Astrophys. Vol.15 (2015) No.?, 000–000 (Last modified: — December 6, 2014; 10:26 ) Research in Astronomy and Astrophysics Pulsating Components in Binary and Multiple Stellar Systems — A Catalog of Oscillating Binaries ∗ A.-Y. Zhou National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China; [email protected] Abstract We present an up-to-date catalog of pulsating binaries, i.e. the binary and multiple stellar systems containing pulsating components, along with a statistics on them. Compared to the earlier compilation by Soydugan et al.(2006a) of 25 δ Scuti-type ‘oscillating Algol-type eclipsing binaries’ (oEA), the recent col- lection of 74 oEA by Liakos et al.(2012), and the collection of Cepheids in binaries by Szabados (2003a), the numbers and types of pulsating variables in binaries are now extended. The total numbers of pulsating binary/multiple stellar systems have increased to be 515 as of 2014 October 26, among which 262+ are oscillating eclipsing binaries and the oEA containing δ Scuti componentsare updated to be 96. The catalog is intended to be a collection of various pulsating binary stars across the Hertzsprung-Russell diagram. We reviewed the open questions, advances and prospects connecting pulsation/oscillation and binarity. The observational implication of binary systems with pulsating components, to stellar evolution theories is also addressed. In addition, we have searched the Simbad database for candidate pulsating binaries. As a result, 322 candidates were extracted. Furthermore, a brief statistics on Algol-type eclipsing binaries (EA) based on the existing catalogs is given. We got 5315 EA, of which there are 904 EA with spectral types A and F. -
Tidally Trapped Pulsations in a Close Binary Star System Discovered by TESS G
Tidally Trapped Pulsations in a close binary star system discovered by TESS G. Handler,1 D. W. Kurtz,2 S. A. Rappaport,3 H. Saio,4 J. Fuller,5 D. Jones,6; 7 Z. Guo,8 S. Chowdhury,1 P. Sowicka,1 F. Kahraman Ali¸cavu¸s,1; 9 M. Streamer,10 S. J. Murphy,11 R. Gagliano,12 T. L. Jacobs13 and A. Vanderburg 14; 15 Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, ul. Bartycka 18, 00-716, Warsaw, Poland 2 Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK 3 Department of Physics, and Kavli Institute for Astrophysics and Space Research, M.I.T., Cambridge, MA 02139, USA 4 Astronomical Institute, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan 5 Division of Physics, Mathematics and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA 6 Instituto de Astrof´ısicade Canarias, E-38205 La Laguna, Tenerife, Spain 7 Departamento de Astrof´ısica,Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain 8 Department of Astronomy and Astrophysics, Pennsylvania State University, 421 Davey Lab, University Park, PA 16802, USA 9 C¸anakkale Onsekiz Mart University, Faculty of Sciences and Arts, Physics Department, 17100, C¸anakkale, Turkey 10 Research School of Astronomy and Astrophysics, Australian National University, Can- berra, ACT, Australia 11 Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney, NSW 2006, Australia 12 Planet Hunters 13 Amateur Astronomer, 12812 SE 69th Place Bellevue, WA 98006, USA 14 Department of Astronomy, The University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA 15 NASA Sagan Fellow arXiv:2003.04071v1 [astro-ph.SR] 9 Mar 2020 1 It has long been suspected that tidal forces in close binary stars could modify the orientation of the pulsation axis of the constituent stars. -
S.No Reg. No Company Name 1 2 AHMEDABAD MANUFACTURING and CALICO PRINTING CO
LIST OF DEFAULTING COMPANIES IN GUJRAT S.No Reg. No Company_Name 1 2 AHMEDABAD MANUFACTURING AND CALICO PRINTING CO. LTD. 2 3 GUJARAT GINNING & MFG CO.LIMITED. 3 7 THE ARYODAYA SPG & WVG.CO.LIMITED. 4 8 40817HCHOWK & AHMEDABAD MFG CO.LIMITED. 5 9 RAJNAGAR SPG & WVG MFG.CO.LIMITED. 6 10 HMEDABAD COTTON MFG. CO.LIMITED. 7 12 12DISPLAY STATUSSTEEL INDUSTRIES PVT. LTD. 8 18 ISHWER COTTON G.N.& PRES.CO.LIMITED. 9 22 THE AHMEDABAD NEW COTTON MILLS CO.LIMITED. 10 25 BHARAT KHAND TEXTILE MANUFACTURING CO LTD 11 27 HIMABHAI MANUFACTURING CO LTD 12 29 JEHANGIR VAKIL MILLS CO PVT LTD 13 30 GUJARAT OIL MILL & MFG CO LTD 14 31 RUSTOMJI MANGALDAS & COMPANY LTD 15 34 FINE KNITTING CO LTD 16 40 AHMEDABAD LAXMI COTTON MILLS CO.LIMITED. 17 42 AHMEDABAD KAISER-I-HIND MILLS CO LTD 18 45 AHMEDABAD NEW TEXTILE MILS CO LTD 19 47 SHRI VIVEKANAND MILLS LTD 20 49 MARSDEN SPINNING & MANUFACTURING CO LTD 21 50 ASHOKA MILLS LTD. 22 54 AHMEDABAD CYCLE & MOTORS TRADING CO PVT LTD 23 68 SHRI AMRUTA MILLS LTD 24 78 VIJAY MILLS CO LTD 25 79 SHRI ARBUDA MILLS LTD. 26 81 DHARWAR ELECTRICAL INDUSTRIES LTD 27 85 ANANTA MILLS LTD 28 87 BHIKABHAI JIVABHAI & CO PVT LTD 29 89 J R VAKHARIA & SONS PVT LTD 30 99 BIHARI MILLS LIMITED 31 101 ROHIT MILLS LTD 32 106 AHMEDABAD FIBRE-SALES & SUPPLIES LTD 33 107 GUJARAT PAPER MILLS LTD 34 109 IDEAL MOTORS LTD 35 110 MODEL THEATRES PVT LTD 36 115 HIMATLAL MOTILAL & CO LTD.(IN LIQ.) 37 116 RAMANLAL KANAIYALAL & CO LTD.(LIQ).