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Naming the Extrasolar Planets
Naming the extrasolar planets W. Lyra Max Planck Institute for Astronomy, K¨onigstuhl 17, 69177, Heidelberg, Germany [email protected] Abstract and OGLE-TR-182 b, which does not help educators convey the message that these planets are quite similar to Jupiter. Extrasolar planets are not named and are referred to only In stark contrast, the sentence“planet Apollo is a gas giant by their assigned scientific designation. The reason given like Jupiter” is heavily - yet invisibly - coated with Coper- by the IAU to not name the planets is that it is consid- nicanism. ered impractical as planets are expected to be common. I One reason given by the IAU for not considering naming advance some reasons as to why this logic is flawed, and sug- the extrasolar planets is that it is a task deemed impractical. gest names for the 403 extrasolar planet candidates known One source is quoted as having said “if planets are found to as of Oct 2009. The names follow a scheme of association occur very frequently in the Universe, a system of individual with the constellation that the host star pertains to, and names for planets might well rapidly be found equally im- therefore are mostly drawn from Roman-Greek mythology. practicable as it is for stars, as planet discoveries progress.” Other mythologies may also be used given that a suitable 1. This leads to a second argument. It is indeed impractical association is established. to name all stars. But some stars are named nonetheless. In fact, all other classes of astronomical bodies are named. -
IAU Division C Working Group on Star Names 2019 Annual Report
IAU Division C Working Group on Star Names 2019 Annual Report Eric Mamajek (chair, USA) WG Members: Juan Antonio Belmote Avilés (Spain), Sze-leung Cheung (Thailand), Beatriz García (Argentina), Steven Gullberg (USA), Duane Hamacher (Australia), Susanne M. Hoffmann (Germany), Alejandro López (Argentina), Javier Mejuto (Honduras), Thierry Montmerle (France), Jay Pasachoff (USA), Ian Ridpath (UK), Clive Ruggles (UK), B.S. Shylaja (India), Robert van Gent (Netherlands), Hitoshi Yamaoka (Japan) WG Associates: Danielle Adams (USA), Yunli Shi (China), Doris Vickers (Austria) WGSN Website: https://www.iau.org/science/scientific_bodies/working_groups/280/ WGSN Email: [email protected] The Working Group on Star Names (WGSN) consists of an international group of astronomers with expertise in stellar astronomy, astronomical history, and cultural astronomy who research and catalog proper names for stars for use by the international astronomical community, and also to aid the recognition and preservation of intangible astronomical heritage. The Terms of Reference and membership for WG Star Names (WGSN) are provided at the IAU website: https://www.iau.org/science/scientific_bodies/working_groups/280/. WGSN was re-proposed to Division C and was approved in April 2019 as a functional WG whose scope extends beyond the normal 3-year cycle of IAU working groups. The WGSN was specifically called out on p. 22 of IAU Strategic Plan 2020-2030: “The IAU serves as the internationally recognised authority for assigning designations to celestial bodies and their surface features. To do so, the IAU has a number of Working Groups on various topics, most notably on the nomenclature of small bodies in the Solar System and planetary systems under Division F and on Star Names under Division C.” WGSN continues its long term activity of researching cultural astronomy literature for star names, and researching etymologies with the goal of adding this information to the WGSN’s online materials. -
Mètodes De Detecció I Anàlisi D'exoplanetes
MÈTODES DE DETECCIÓ I ANÀLISI D’EXOPLANETES Rubén Soussé Villa 2n de Batxillerat Tutora: Dolors Romero IES XXV Olimpíada 13/1/2011 Mètodes de detecció i anàlisi d’exoplanetes . Índex - Introducció ............................................................................................. 5 [ Marc Teòric ] 1. L’Univers ............................................................................................... 6 1.1 Les estrelles .................................................................................. 6 1.1.1 Vida de les estrelles .............................................................. 7 1.1.2 Classes espectrals .................................................................9 1.1.3 Magnitud ........................................................................... 9 1.2 Sistemes planetaris: El Sistema Solar .............................................. 10 1.2.1 Formació ......................................................................... 11 1.2.2 Planetes .......................................................................... 13 2. Planetes extrasolars ............................................................................ 19 2.1 Denominació .............................................................................. 19 2.2 Història dels exoplanetes .............................................................. 20 2.3 Mètodes per detectar-los i saber-ne les característiques ..................... 26 2.3.1 Oscil·lació Doppler ........................................................... 27 2.3.2 Trànsits -
Western Liberal, 03-04-1898 Lordsburg Print Company
University of New Mexico UNM Digital Repository Lordsburg Western Liberal, 1889-1918 New Mexico Historical Newspapers 3-4-1898 Western Liberal, 03-04-1898 Lordsburg Print Company Follow this and additional works at: https://digitalrepository.unm.edu/lwl_news Recommended Citation Lordsburg Print Company. "Western Liberal, 03-04-1898." (1898). https://digitalrepository.unm.edu/lwl_news/388 This Newspaper is brought to you for free and open access by the New Mexico Historical Newspapers at UNM Digital Repository. It has been accepted for inclusion in Lordsburg Western Liberal, 1889-1918 by an authorized administrator of UNM Digital Repository. For more information, please contact [email protected]. -- .I...... ., mWW1 (MKriptloB HfMlMfi VOL. XI, NO 17, LORDSBURG, NEW MEXICO. MARCH 4 891. Single Copies ! tMl was not in the oommand at the time. " Awarded WESTERN LIBERAL. HE WAS AT LUCKNOW The Indian insurrection broke out on Highest Honors the night of May 80, 1857. Blr Honry World's Fair. residency and CHICAGO CABMAN WHO WENT TO Lawrence had fortified the 23 R; The Roberts & Mexico Lea lSw trarrisonod with 760 British troops. THE RELIEF OF HAVELOCK. it July 1 the place was besieged. Jnly 4 8ir Henry died from a wound. Three PUBLISHED FRIDAYS. Be Telia la Hla Owa Way the Story times the gallant llttlo army beat back Which Haa Often Been Told Before. tho assaults of the multitudinous ene- On of the Famous IJp;ht Brigmde," my. July S3 Havelock captured Alum-baug- MERCANTILE II y DON! If. KKDEIK. Thangh Me at Balaklavn. and four days later reached the residency. But he, with the others, was T. -
Chapter Eleven an Angel in Tombstone 1880 – 1881
Baker/Toughnut Angel/11 1 Chapter Eleven An Angel in Tombstone 1880 – 1881 Tombstone, Arizona Territory, 1800s (Courtesy Tombstone Courthouse) Nellie stepped off the stage onto Allen Street’s dusty board sidewalk. She turned to catch her carpetbag when the stage driver lifted it down, but stumbled over the hem of her skirt into the path of a dark-haired man with a full mustache. The stranger grabbed Baker/Toughnut Angel/11 2 her waist. “Whoa. Welcome to Tombstone! Got your balance there, Ma’am?” Nellie pulled her traveling skirt out from under her button-down shoe and noticed the man wore a silver star on his blue shirt. He took her grip from the driver and set it on the sidewalk. “My name’s Virgil Earp.” Next to him two other men attempted not to laugh. Virgil smiled, and indicated the other two with his hand. “May I present my brother, Wyatt, and Doc Holliday?” Earp, not a common name. These must be the Earps who had served as lawmen in Dodge City. She’d read newspaper articles and one of T.J.’s dime novels about Wyatt Earp. Doc Holliday stopped stamping his black boots to remove the dust, bowed at the waist and swept his bowler hat from his head. He smelled of leather and, what was that? Sage? “Indeed, welcome to Tombstone, lovely lady.” He drawled in a bass voice from under another wide black mustache. That made Nellie think of how Papa had always joked that men with mustaches were trying to hide something -- their upper lips. -
Stellar Encounters with the Oort Cloud Based on Hipparcos Data Joan Garciça-Saçnchez, 1 Robert A. Preston, Dayton L. Jones, and Paul R
THE ASTRONOMICAL JOURNAL, 117:1042È1055, 1999 February ( 1999. The American Astronomical Society. All rights reserved. Printed in U.S.A. STELLAR ENCOUNTERS WITH THE OORT CLOUD BASED ON HIPPARCOS DATA JOAN GARCI A-SA NCHEZ,1 ROBERT A. PRESTON,DAYTON L. JONES, AND PAUL R. WEISSMAN Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109 JEAN-FRANCÓ OIS LESTRADE Observatoire de Paris-Section de Meudon, Place Jules Janssen, F-92195 Meudon, Principal Cedex, France AND DAVID W. LATHAM AND ROBERT P. STEFANIK Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 Received 1998 May 15; accepted 1998 September 4 ABSTRACT We have combined Hipparcos proper-motion and parallax data for nearby stars with ground-based radial velocity measurements to Ðnd stars that may have passed (or will pass) close enough to the Sun to perturb the Oort cloud. Close stellar encounters could deÑect large numbers of comets into the inner solar system, which would increase the impact hazard at Earth. We Ðnd that the rate of close approaches by star systems (single or multiple stars) within a distance D (in parsecs) from the Sun is given by N \ 3.5D2.12 Myr~1, less than the number predicted by a simple stellar dynamics model. However, this value is clearly a lower limit because of observational incompleteness in the Hipparcos data set. One star, Gliese 710, is estimated to have a closest approach of less than 0.4 pc 1.4 Myr in the future, and several stars come within 1 pc during a ^10 Myr interval. -
Stellar Variability of the Exoplanet Hosting Star Hd 63454
The Astrophysical Journal, 737:58 (5pp), 2011 August 20 doi:10.1088/0004-637X/737/2/58 C 2011. The American Astronomical Society. All rights reserved. Printed in the U.S.A. STELLAR VARIABILITY OF THE EXOPLANET HOSTING STAR HD 63454 Stephen R. Kane1, Diana Dragomir1,2, David R. Ciardi1, Jae-Woo Lee3, Gaspare Lo Curto4, Christophe Lovis5, Dominique Naef5, Suvrath Mahadevan6,7, Genady Pilyavsky6, Stephane Udry5, Xuesong Wang6, and Jason Wright6,7 1 NASA Exoplanet Science Institute, Caltech, MS 100-22, 770 South Wilson Avenue, Pasadena, CA 91125, USA; [email protected] 2 Department of Physics & Astronomy, University of British Columbia, Vancouver, BC V6T1Z1, Canada 3 Department of Astronomy & Space Science, Sejong University, 143-747 Seoul, Republic of Korea 4 ESO, Karl-Schwarzschild Strasse, 2, Garching bei Munchen,¨ Germany 5 Observatoire de Geneve,` UniversitedeGen´ eve,` 51 ch.des Maillettes, 1290 Sauverny, Switzerland 6 Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802, USA 7 Center for Exoplanets & Habitable Worlds, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802, USA Received 2011 April 23; accepted 2011 May 27; published 2011 August 3 ABSTRACT Of the hundreds of exoplanets discovered using the radial velocity (RV) technique, many are orbiting close to their host stars with periods less than 10 days. One of these, HD 63454, is a young active K dwarf which hosts a Jovian planet in a 2.82 day period orbit. The planet has a 14% transit probability and a predicted transit depth of 1.2%. Here we provide a re-analysis of the RV data to produce an accurate transit ephemeris. -
VOL.65 Piolo Amos Ezra Migael
1 PIOLO / PIOLO JR. / AMOS / EZRA / MIGAEL VOLUME 65 FFFIIILLLEEE TTTIIITTTLLLEEE AAARRRTTTIIIISSSTTT 18643 Daisies Katy Perry 18775 Hard Days Brantley Gilbert Diplo, Thomas Michele New Songs 18764 Dance With Me Rhett, Young Thug 18776 Hard For Me Morrone Miranda Charlie Puth, Lady Gaga 18634 911 18816 Dark Bars Lambert 18822 Hard On Yourself Blackbear Ally Brooke & Hayley Juice WRLD ft 18758 500 Veces 18710 Dead Horse 18777 Hate The Other Side Marshmello, Polo G, Messiah Williams Kid LARO Breaking Morgan Wallen Tim McGraw 18809 7 Summers 18711 Dear Agony Benjamin 18778 Here On Earth Five Finger The Pretty Weezer 18759 A Little Bit Off Death Punch 18765 Death By Rock And Roll Reckless 18651 Hero Gloc 9 feat Alanis Taylor Swift 18635 Abakada Mark Beats 18644 Diagnosis Morisette 18823 Hoax Alanis Michael Gryffin and 18810 Ablaze Morissette 18817 Do You Know Where Your Children Are Jackson 18719 Hold You Tonight Chris Lane 18698 Ain't Always The Cowboy Jon Pardi 18818 Down To One Luke Bryan 18779 Holiday Little Mix 18699 Alice Lady Gaga 18808 Dynamite BTS 18824 Home Dierks Bentley The Head and Justin Bieber Rascal Flatts 18811 All We Ever Knew The Heart 18646 E.T.A. 18825 How They Remember You 18700 Almost Maybes Jordan Davis 18766 Easy Troye Sivan 18697 How You Like That Blackpink 18702 Barumbado Pricetagg, CLR 18713 Enigma Lady Gaga 18652 Hypnodancer Little Big 18637 Bawal Lumabas Kim Chiu 18819 Epiphany Taylor Swift 18720 I Called Mama Tim McGraw Marshmello Taylor Swift ft Florida Georgia 18638 Be Kind and Halsey 18767 Exile Bon Iver -
License Fee Distribution by Municipality
License Fee Distribution Created On Mar 03, 2020 12:00 PM by Municipality (Aug 01, 2019 to Jan 31, 2020) Adams County Abbottstown TREAS ABBOTTSTOWN BORO ADAMS COUNTY P O BOX 473 ABBOTTSTOWN PA 17301-0473 44569 HOFBRAUHAUS RESTAURANT, INC. 150.00 23310 HOSPITALITY MANAGEMENT CORP 150.00 3629 THE HANOVER COUNTRY CLUB 150.00 TOTAL: $450.00 Mar 3, 2020 License Fee Distribution by Municipality - PLCBPD Page 1 of 1188 License Fee Distribution Created On Mar 03, 2020 12:00 PM by Municipality (Aug 01, 2019 to Jan 31, 2020) Adams County Berwick Twp TREAS BERWICK TWP ADAMS COUNTY 85 MUNICIPAL RD HANOVER PA 17331 51375 C. R. GOLF, INC. 200.00 87745 TURKEY HILL LP 200.00 TOTAL: $400.00 Mar 3, 2020 License Fee Distribution by Municipality - PLCBPD Page 2 of 1188 License Fee Distribution Created On Mar 03, 2020 12:00 PM by Municipality (Aug 01, 2019 to Jan 31, 2020) Adams County Biglerville TREAS BIGLERVILLE BORO ADAMS COUNTY 33 MUSSELMAN AVE BIGLERVILLE PA 17307-9233 51125 THE HOME ASSOCIATION OF POST 262 AMERICAN LEGION 150.00 TOTAL: $150.00 Mar 3, 2020 License Fee Distribution by Municipality - PLCBPD Page 3 of 1188 License Fee Distribution Created On Mar 03, 2020 12:00 PM by Municipality (Aug 01, 2019 to Jan 31, 2020) Adams County Bonneauville TREAS BONNEAUVILLE BORO ADAMS COUNTY 4 CIRCLE DRIVE GETTYSBURG PA 17325 3953 CATHOLIC WAR VETERANS HOME ASSOCIATION OF BONNEAUVI 200.00 TOTAL: $200.00 Mar 3, 2020 License Fee Distribution by Municipality - PLCBPD Page 4 of 1188 License Fee Distribution Created On Mar 03, 2020 12:00 PM by Municipality (Aug -
Problem Set 2 Due: 3 Feb 2012
Astronomy 62 Ann Esin Introduction to Astrophysics 27 Jan 2012 Problem Set 2 Due: 3 Feb 2012 Please staple 1+2 and 3+4. 1. Planet Around HD 63454 HD 63454 is a 0:7M star known to have an extrasolar planet orbit- ing it in a circular orbit with an or- bital period of 2.82 days. The dis- tance to this system is 35.8 pc and the measured radial velocity curve for HD 63454 is shown in Figure 1. Use this information to determine: (a) the minimum mass of the planet; (b) the radii of the star's and the planet's orbits; (c) the maximum astrometric shift Figure 1: The radial velocity of HD 63454 plotted as a of the star due to its orbital mo- function of orbital phase. (Figure from Moutou et al. tion, expressed in arcseconds. 2005, A&A, 439, 367.) 2. Sun-Jupiter System (a) Assuming that the Sun interacts only with Jupiter, calculate the total orbital angular momentum of the Sun-Jupiter system. The semi-major axis of Jupiter's orbit is a = 5:2 AU, its orbital eccentricity is e = 0:048, and its orbital period is P = 11:86 yr. (b) Starting with the cross product definition of angular momentum, prove that in a binary system L M 1 = 2 ; (1) L2 M1 where L1 and L2 are the contributions of the two masses to the total orbital angular mo- mentum of the Sun-Jupiter system. (c) Use your results from parts (a) and (b) to calculate the Sun's and Jupiter's contributions to the total orbital angular momentum of the Sun-Jupiter system. -
The Quarterly
THE COCHISE QUARTERLY Volume 1 Number 1 March,1971 CONTENTS The Life and Times of Wyatt Earp 3 by John W. Gilchriese Casas Grandes Water Control System 7 by Charles C. Di Peso Prelude to the Battle of Cibicu 12 by John H. Monnett The Salado Culture in Cochise County 28 by Jack P. and Vera M. Mills Cover designed by Ray Levra, Cochise College A Publication of the Cochise County Historical and Archaeological Society P. O. Box 207 Pearce, Arizona 85625 2 THE LIFE AND TIMES OF WYATT EARP by John D. Gilchriese Field Historian, University of Arizona On March 19, 1848 a seemingly unimportant event took place in Monmouth, Warren County, Illinois. Although nearly totally unnoticed at the time, the birth of Wyatt Berry Stapp Earp would prove significant to countless individuals interested in the history of the post Civil War, trans-Mississippi West. His name has become commonplace to serious historians and an army of fictioneers alike. Yet, history shows that this man spent little actual time in Mon mouth. Just two years after his birth, the Earp family migrated to Pella, in southeastern Iowa. On the beautiful rolling prairies sur rounding this small agricultural town, Wyatt Earp grew to manhood. Due to the rigid insistence of his father, Nicholas Porter Earp, Wyatt, his brothers and sisters received a two-fold education. For the sons this included not only classroom studies, but a knowledge of several trades as well. Farm work, however, never appealed to Wyatt who as a small boy craved the more adventurous pursuits of hunting and exploring the local Iowa countryside. -
Tiên Hắc Ám 2 Maleficent:Mistress of Evil
AMAZING INFLIGHT ENTERTAINMENT 01-02 | 2020 Tiên Hắc Ám 2 Maleficent: Mistress of Evil Tổng thời lượng chương trình giải trí trên 600 giờ More than 600 hours of entertainment © 2020 Disney Chương trình nổi bật Mục lục Vietnam Airlines recommends Contents Hướng dẫn 03 Information Danh sách phim 04 điện ảnh Movie listings Danh sách phim 05 truyền hình TV listings Chương trình mới 08 New on-board Danh sách phim 24 truyền hình TV listings Sách nói 33 Audio book Trò chơi 33 Games Âm nhạc 34 Music 10 16 25 32 Chùm Phim Bom Tấn Tiên Hắc Ám 2 Will Smith Ngọt Blockbuster Boxsets Maleficent: Mistress of Evil © 2020 WBEI TM & © DC Comics © 2020 Disney © 2019 Paramount Pictures Với hình ảnh bông sen vàng chơi lôi cuốn, hấp dẫn. Tất cả LotuStar. The pages of the Ngôn ngữ Thể loại Hướng dẫn Chào mừng thân quen, LotuStar là thành các nội dung trên đều được booklet will guide you to the Language Genre Information quả của quá trình không sắp xếp, trình bày theo từng enjoyment of audio-visual Quý khách ngừng nỗ lực của Vietnam chuyên mục để thuận tiện entertainment that includes Tiếng Việt PG-13 - Parents strongly cautioned Chương trình giải trí của chúng tôi Airlines với mong muốn mang cho lựa chọn của Quý khách. classic movies, blockbusters, Vietnamese Hành động | Action trên chuyến Có một số cảnh không thích hợp với thay đổi tùy thuộc vào loại máy bay đến cho Quý khách những timeless and favourite Tiếng Anh và đường bay.