DOCSLIB.ORG

The Pillars of Creation Free

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
The Pillars of Creation Free FREE THE PILLARS OF CREATION PDF Terry Goodkind | 736 pages | 02 Sep 2006 | St Martin's Press | 9780765340740 | English | New York, United States 8 Facts About the Pillars of Creation that Will Brighten Your Day Before the Hubble Space Telescope initially photographed the Pillars of Creation inastronomers had only ever observed them from the ground. Think again! Why so many pictures? Inside the pillars, new stars feed off of the gas clouds. The ultraviolet light from new stars erodes the pillars of dust and gas in a process called photo-erosion. The gaseous pillars are actually getting ionized a process by which electrons are stripped off of atoms and heated up by radiation from the massive stars. The whole process is pretty similar to how buttes are formed in the American west. Strangely enough, while the massive off-camera stars are eroding the pillars, their intense light is also creating enough chaos and pressure in the pillars to create even more new stars. The entire complex The Pillars of Creation five light-years wide. Evidence of radioactive shrapnel from a supernova in our developing solar system suggests that our Sun formed alongside a cluster of other massive The Pillars of Creation, like the cluster in the Eagle Nebula responsible for the Pillars of Creation. You can see the extra-hot dust colored red in the image above. Why can we still see them today? This camera, which captured the most recent images of the pillars of creation, can take photos in near-infrared light as well as visible light, bringing NASA astronomers even closer to the James Webb Space Telescope planned to launch in Oct. The near-infrared channel is great for capturing distant galaxies. Using this technology, we can now observe stars and galaxies that are so old and far away that they only give off light in infrared wavelengths, giving us a glimpse into the beginning of the universe. Sign in. Log into your account. Jekko Privacy Policy. Password recovery. Forgot your password? Get help. The Pillars of Creation are 6, light- years away. The image above shows the Eagle Nebula with the Pillars of Creation at the center. Over 30 different images went into the original Pillars of Creation. The Pillars of Creation are also a place of destruction. The pillars are really, really big. Like really big. This could be what it was like when the Sun formed. It might not look like it, but the Pillars of Creation have The Pillars of Creation since The technology behind the new images brings us The Pillars of Creation to seeing the first stars and galleries in the universe. This The Pillars of Creation a First Look. The Pillars of Creation | NASA Both the "Eagle" and the "Star Queen" refer to visual impressions of The Pillars of Creation dark silhouette near the center of the nebula, [3] [4] an area made famous as the " Pillars of Creation " imaged by the Hubble Space Telescope. The nebula contains several active star-forming gas and dust regions, including the aforementioned Pillars of Creation. This region of active current star formation is about light-years distant. A spire of gas that can be seen coming off the nebula in the northeastern part is approximately 9. The cluster associated with the nebula has approximately stars, which are mostly concentrated in a gap in the molecular cloud to the north-west of the Pillars. It is actually a binary star formed of an O3. The cluster's age has been estimated to be 1—2 million years. The descriptive names reflect impressions of the shape of the central pillar rising from the southeast into the central luminous area. Images taken by Jeff Hester and Paul Scowen using the Hubble Space Telescope in greatly improved scientific understanding of processes inside the nebula. One of these photographs became famous as the " Pillars of Creation ", depicting a large region The Pillars of Creation star formation. The small dark areas in the photograph are believed to be protostars Bok globules. The Pillars of Creation pillar structure of the region resembles that of a much larger star formation region in the Soul Nebula of Cassiopeiaimaged with the Spitzer Space Telescope in [10] and characterized as "Pillars of Star Creation". Inside the columns and on their surface astronomers have found knots or globules of denser gas, called EGGs "Evaporating Gaseous Globules". Stars are being formed inside some of these EGGs. X-ray images from the Chandra observatory compared with Hubble's "Pillars" image have shown that X-ray sources from young stars do The Pillars of Creation coincide with the pillars, but instead randomly dot the area. Evidence from the Spitzer Telescope originally suggested that the pillars in M16 may already have been destroyed by a supernova explosion. Hot gas observed by Spitzer in suggested that the area was disturbed by a supernova that exploded some 8, to 9, years ago. Due to the distance of the nebula, the light from the supernova would have reached Earth between 1, and 2, years ago. The more slowly moving shock wave from the supernova would have taken a few thousand years to move through the nebula and would have blown away the delicate pillars. However, in the Pillars were The Pillars of Creation a second time by Hubble, in both visible light and infrared light. The new images being 20 years apart provided a new, detailed account of the rate of evaporation occurring within the pillars. It was later discovered that there in fact was no supernova explosion within them, and it is estimated they will be around for at leastyears longer. The " Pillars of Creation " within the Eagle Nebula. Detail of the HST image. The pillars are more transparent in this ESO infrared view. Exposures totaling 1. From Wikipedia, the free encyclopedia. This article is about the nebula in the constellation Serpens. For the astrophotograph, see Pillars of Creation. Main article: Pillars of Creation. The "Black Pillar" spire on the eastern perimeter is about 9. Retrieved The Astrophysical Journal. Bibcode : ApJ Retrieved 25 September Burnham's Celestial Handbook. Total Young Stellar Populations". Astrophysical Journal. Astronomy Picture of the Day. Messier objects. Book Category Commons Portal. Sharpless catalog. RCW Catalogue. Gum Catalog. Colin Stanley Gum. New General Catalogue to Astronomical catalog List of NGC objects. Serpens constellation. Gliese Gliese GJ Serpens OB2. Serpens cloud. L L L Eagle Nebula Sh Westerhout Abell 41 Red Square Nebula S Hidden categories: CS1 errors: empty unknown parameters Pages using deprecated image syntax The Pillars of Creation articles with unsourced statements Articles with unsourced The Pillars of Creation from March Commons link is locally defined. Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons. H II region. Three-colour composite mosaic image of the Eagle Nebula, with north The Pillars of Creation top. Credit: ESO. See also: Lists of nebulae. Wikimedia Commons has media related to Eagle Nebula. See also: Gum Nebula. Association Serpens OB2. Dark L The Pillars of Creation L NGC a b c d e The Pillars of Creation (Sword of Truth, #7) by Terry Goodkind It is the first book in the series not to feature Richard Rahl as the protagonist, although he does appear. This book revolves around several new characters in the Sword of Truth series. Jennsen, for most of her life, has been running from the assassins sent by Lord Rahl to kill her. Any ungifted child of the Lord Rahl must die. A stranger convinces her that running will do her no good for wherever she goes, Lord Rahl's soldiers will find her; it is time for her to stop fleeing and fight back. If she wants to live, she must kill Lord Rahl. Jennsen RahlRichard Rahl 's half sister, has spent the first twenty years of her life running from her father, Darken Rahl. Born without any aspect of the gift of magic, Jennsen has been marked for death since birth. When her mother is apparently murdered by D'Haran assassins, she sets out with her new friend, Sebastian, to start her life over. Sebastian eventually reveals that he is a spy for the Imperial Order. He speaks convincingly of the Order's goals concerning the fair treatment of all humanity and the elimination of The Pillars of Creation. Above all else, he esteems Emperor Jagang. In equal measure, he despises Richard Rahl, who he claims has brought on war with an invasion of the Old World after bringing down the Barriers separating the sections of the known world. Meanwhile, another sibling of Richard's, Oba Rahlsuffers under an abusive mother on the The Pillars of Creation farm. Oba imagines himself as energetic and the possessor of a healthy curiosity. His inquisitive The Pillars of Creation manifests itself especially The Pillars of Creation pleasure in watching things die under his hand. Oba does not know that he, along with Jennsen, is pristinely ungifted and immune to magic. His mother sends him to a nearby sorceress to buy medicine, and, during the purchase, he begins to menace the magic user. Her attempts to defend herself with magic fail and Oba kills her brutally. During the fight, Oba surrenders to a voice in his mind that promises invincibility in return for obedience. After returning home, Oba kills his mother and resolves to see the world. He can travel comfortably with the funds he looted from the sorceress. Jennsen wants to find another sorceress, the sister of the one Oba killed, and who had previously helped Jennsen and her mother.
Load more

Recommended publications
  • Proto-Planetary Nebula Observing Guide
    Proto-Planetary Nebula Observing Guide www.reinervogel.net RA Dec CRL 618 Westbrook Nebula 04h 42m 53.6s +36° 06' 53" PK 166-6 1 HD 44179 Red Rectangle 06h 19m 58.2s -10° 38' 14" V777 Mon OH 231.8+4.2 Rotten Egg N. 07h 42m 16.8s -14° 42' 52" Calabash N. IRAS 09371+1212 Frosty Leo 09h 39m 53.6s +11° 58' 54" CW Leonis Peanut Nebula 09h 47m 57.4s +13° 16' 44" Carbon Star with dust shell M 2-9 Butterfly Nebula 17h 05m 38.1s -10° 08' 33" PK 10+18 2 IRAS 17150-3224 Cotton Candy Nebula 17h 18m 20.0s -32° 27' 20" Hen 3-1475 Garden-sprinkler Nebula 17h 45m 14. 2s -17° 56' 47" IRAS 17423-1755 IRAS 17441-2411 Silkworm Nebula 17h 47m 13.5s -24° 12' 51" IRAS 18059-3211 Gomez' Hamburger 18h 09m 13.3s -32° 10' 48" MWC 922 Red Square Nebula 18h 21m 15s -13° 01' 27" IRAS 19024+0044 19h 05m 02.1s +00° 48' 50.9" M 1-92 Footprint Nebula 19h 36m 18.9s +29° 32' 50" Minkowski's Footprint IRAS 20068+4051 20h 08m 38.5s +41° 00' 37" CRL 2688 Egg Nebula 21h 02m 18.8s +36° 41' 38" PK 80-6 1 IRAS 22036+5306 22h 05m 30.3s +53° 21' 32.8" IRAS 23166+1655 23h 19m 12.6s +17° 11' 33.1" Southern Objects ESO 172-7 Boomerang Nebula 12h 44m 45.4s -54° 31' 11" Centaurus bipolar nebula PN G340.3-03.2 Water Lily Nebula 17h 03m 10.1s -47° 00' 27" PK 340-03 1 IRAS 17163-3907 Fried Egg Nebula 17h 19m 49.3s -39° 10' 37.9" Finder charts measure 20° (with 5° circle) and 5° (with 1° circle) and were made with Cartes du Ciel by Patrick Chevalley (http://www.ap-i.net/skychart) Images are DSS Images (blue plates, POSS II or SERCJ) and measure 30’ by 30’ (http://archive.stsci.edu/cgi- bin/dss_plate_finder) and STScI Images (Hubble Space Telescope) Downloaded from www.reinervogel.net version 12/2012 DSS images copyright notice: The Digitized Sky Survey was produced at the Space Telescope Science Institute under U.S.
    [Show full text]
  • Stories from Physics Astronomy And
    King’s Research Portal Link to publication record in King's Research Portal Citation for published version (APA): Brock, R. (2021). Stories from Physics Booklet 7: Astronomy and Space. Institute of Physics. Citing this paper Please note that where the full-text provided on King's Research Portal is the Author Accepted Manuscript or Post-Print version this may differ from the final Published version. If citing, it is advised that you check and use the publisher's definitive version for pagination, volume/issue, and date of publication details. And where the final published version is provided on the Research Portal, if citing you are again advised to check the publisher's website for any subsequent corrections. General rights Copyright and moral rights for the publications made accessible in the Research Portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognize and abide by the legal requirements associated with these rights. •Users may download and print one copy of any publication from the Research Portal for the purpose of private study or research. •You may not further distribute the material or use it for any profit-making activity or commercial gain •You may freely distribute the URL identifying the publication in the Research Portal Take down policy If you believe that this document breaches copyright please contact [email protected] providing details, and we will remove access to the work immediately and investigate your claim. Download date: 01. Oct. 2021 IOP Education |Stories from physics booklet 7 Astronomy and space By Richard Brock iop.org Stories from physics Stories from physics Introduction Message from the author Perhaps of all the topics on the school physics curriculum, space most readily This is the seventh book in our series.
    [Show full text]
  • Highly Collimated Jet Spotted from the Red Square Nebula 5 February 2019, by Tomasz Nowakowski
    Highly collimated jet spotted from the Red Square Nebula 5 February 2019, by Tomasz Nowakowski Now, a new study conducted by University of Colorado's John Bally and Zen H. Chia, sheds more light on the nature of RSN and its host. Using the Double Imaging Spectrograph (DIS) on the 3.5 meter telescope at the Apache Point Observatory (APO) located near Sunspot, New Mexico, the astronomers unveiled the presence of a collimated jet orthogonal to the previously identified extended nebula associated with RSN. "Deep, narrow-band images of the Red Square Nebula and its source star, MWC 922, reveal a highly collimated and segmented, parsec-scale jet oriented orthogonal to the previously identified emission-line nebula which can be traced towards the southwest," the researchers wrote in the paper. According to the study, the jet, as well as RSN, appear to be externally ionized. Describing the structure of the newfound jet, Bally and Chia revealed that it consists of a pair of segments with The Red Square Nebula. Image credit: Peter Tuthill, sizes of 0.5 light years each, on either side of the Sydney University Physics Dept., and the Palomar and host star, separated by gaps. They noted that the W.M. Keck observatories. most distant jet segments disappear at around 1.97 light years from the star. The researchers calculated that the speed of the jet Astronomers have detected a highly collimated, is around 500 km/s and that the jet's electron bipolar jet from the so-called Red Square Nebula density is between 50 and 100 cm-3.
    [Show full text]
  • Supplement C
    SJS PD Group Project Examples Group 1 Red Stars Blue Stars Yellow Stars What can we learn about star clusters by comparing individual stars through different filters? Let's compare globular clusters and open clusters. Hypothesis: Globular clusters are old. They will contain more red stars (that is stars that are older) than blue stars. Open clusters will not follow this trend. Visual inspection will be reasonably reliable in determining “old or young” clusters. Method § Select 1 Open Cluster and 1 Globular Cluster each. § Set up each Optical Observation on a telescope with 3 different color filters. § Using Astro Image, produce color images. Visually identify any prominent star color trends. § Verify visual determination of selected Red, Yellow and/or Blue Stars by photometer measurements in Afterglow. ú Record Flux in each of the 3 stars for each filter. ú Compare Photometer Flux results for each star to the color image to see if flux results match the color determinations made from visual inspection. § Record Star Cluster approximate ages to determine if the dominantly observed star color correlates correctly to our predictions based on star flux and color. Open Cluster Data Source/ Selected Star Visual Color GenB GenG GenR Does our visual identification Age Coordinates Observation Star Star Star match the flux readings? of Star Flux Flux Flux M44 - 1: 466.49,573.49 Yellow 5,877,071 6,160,753 6,714,667 More red than yellow. 650 Million 2: 786.51,244.45 Yellow 5,193,411 5,744,836 6,148,554 More red than yellow. Mostly blue 3: 510.17,218.92 Blue 4,046,350 3,451,030 2,671,442 Confirmed cluster.
    [Show full text]
  • Serpens – the Serpent
    A JPL Image of surface of Mars, and JPL Ingenuity Helicioptor illustration, in flight Monthly Meeting May 10th at 7:00 PM at HRPO, and via Jitsi (Monthly meetings are on 2nd Mondays at Highland Road Park Observatory, will also broadcast via. (meet.jit.si/BRASMeet). PRESENTATION: Dr. Alan Hale, professional astronomer and co-discoverer of Comet Hale-Bopp, among other endeavors. What's In This Issue? President’s Message Member Meeting Minutes Business Meeting Minutes Outreach Report Light Pollution Committee Report Globe at Night SubReddit and Discord Messages from the HRPO REMOTE DISCUSSION Solar Viewing International Astronomy Day American Radio Relay League Field Day Observing Notes: Serpens - The Serpent & Mythology 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 20 May 2021 President’s Message Ahhh, welcome to May, the last pleasant month in Louisiana before the start of the hurricane season and the brutal summer months that follow. April flew by pretty quickly, and with the world slowly thawing from the long winter, why shouldn’t it? To celebrate, we decided we’re going to try to start holding our monthly meetings at Highland Road Park Observatory again, only with the added twist of incorporating an on-line component for those who for whatever reason don’t feel like making it out. To that end, we’ll have both our usual live broadcast on the BRAS YouTube channel and the Brasmeet page on Jitsi—which is where our out of town guests and, at least this month, our guest speaker can join us.
    [Show full text]
  • MWC 922 - the Red Square Nebula
    The Diffuse Interstellar Bands Proceedings IAU Symposium No. 297, 2013 c International Astronomical Union 2014 J.Cami&N.L.J.Cox,eds. doi:10.1017/S1743921313015913 Search for DIBs in Emission: MWC 922 - The Red Square Nebula N. Wehres1,2,†, B. Ochsendorf3, J. Bally2, T. Snow1,4, V. Bierbaum1,2, N. L. J. Cox5,L.Kaper6 andA.G.G.M.Tielens3 1 Center for Astrophysics and Space Astronomy, 389 UCB, University of Colorado, Boulder, CO 80309-0389, USA email: [email protected] 2 Department of Chemistry and Biochemistry, 215 UCB, University of Colorado, Boulder, CO 80309-0215, USA 3 Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, The Netherlands 4 Department of Astrophysical and Planetary Sciences, 391 UCB, University of Colorado, Boulder, CO 80309-0391, USA 5 Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, 3001 Leuven, Belgium 6 Astronomical Institute Anton Pannekoek, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands Abstract. This work focusses on MWC 922, the central object in the Red Square Nebula. We obtained low and medium resolution spectra of both, the central object and the surrounding nebula, using the DIS and TSpec spectrograph. The spectra show the whole spectral range be- tween ∼3 500 Aup˚ to ∼25 000 A.˚ The central object shows a plethora of emission lines, including many Fe II and forbidden Fe [II] lines. Here, we present the inventory of the emission lines of the central object, MWC 922. Future work will comprise the identification of the nebula emission lines by using newly obtained X-Shooter spectra.
    [Show full text]
  • Preview-Of-The-Deep-Sky-Imaging
    Welcome Thank you for downloading this sample of The Deep-sky Imaging Primer. The follow- ing pages will give you a sense of the book’s content and approach to teaching. I wrote this book to help you maximize your image quality, regardless of your ex- perience, equipment, or skies. There are many decisions to make as you get started: DSLR or CCD? Refractor or reflector? Which software? It’s a challenging road, but you can produce amazing images along the way, and I hope you’ll choose this book to help you make the best choices. If you’d like to purchase The Deep-sky Imaging Primer, you can buy it on Amazon. com or directly from me at http://digitalstars.wordpress.com. Thanks again for your interest in my book, and please feel free to reach out to me with your questions or comments at [email protected]. Best wishes, Charlie Bracken The Deep-sky Imaging Primer by Charles Bracken Copyright © 2013 Charles Bracken All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law. Permission requests should be sent to the author at [email protected]. All trademarks used are the property of their respective owners. Printed in the United States of America ISBN-13: 978-1481804912 ISBN-10: 148180491X First Edition Contents Introduction v I.
    [Show full text]
  • A Rotating Fast Bipolar Wind and Disk System Around the B [E]-Type Star
    Astronomy & Astrophysics manuscript no. ms c ESO 2021 August 11, 2021 A rotating fast bipolar wind and disk system around the B[e]-type star MWC 922 C. Sánchez Contreras1, A. Báez-Rubio2, J. Alcolea3, A. Castro-Carrizo4, V. Bujarrabal5, J. Martín-Pintado2, and D. Tafoya6 1 Centro de Astrobiología (CSIC-INTA), ESAC, Camino Bajo del Castillo s/n, Urb. Villafranca del Castillo, E-28691 Villanueva de la Cañada, Madrid, Spain e-mail: [email protected] 2 Centro de Astrobiología (CSIC-INTA), Ctra de Torrejón a Ajalvir, km 4, 28850 Torrejón de Ardoz, Madrid, Spain 3 Observatorio Astronómico Nacional (IGN), Alfonso XII No 3, 28014 Madrid, Spain 4 Institut de Radioastronomie Millimetrique, 300 rue de la Piscine, 38406 Saint Martin d’Heres, France 5 Observatorio Astronómico Nacional (IGN), Ap 112, 28803 Alcalá de Henares, Madrid, Spain 6 Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, 439 92 Onsala, Sweden ABSTRACT We present interferometric observations with the Atacama Large Millimeter Array (ALMA) of the free-free continuum and recombi- nation line emission at 1 and 3 mm of the "Red Square Nebula" surrounding the B[e]-type star MWC922. The unknown distance to the source is usually taken to be d=1.7-3 kpc. The unprecedented angular resolution (up to ∼000: 02) and exquisite sensitivity of these data unveil, for the first time, the structure and kinematics of the emerging, compact ionized region at its center. We imaged the line emission of H30α and H39α, previously detected with single-dish observations, as well as of H51, H55γ, and H63δ, detected for the first time in this work.
    [Show full text]
  • Heart and Soul Bared in H-Alpha
    Vol. 2015, No. 11 Newsletter of the New Hampshire Astronomical Society November 2015 In This Issue… Society Activities Featured Article 3 9 YFOS Pot-luck Shooting with my New Canon 2 President’s Message Nashua Winter Stroll 13 The Regular Items 2 Sky Watch Review 6 Object of the Month Business Meeting Report Epping Middle School December: M52 Treasurer’s Report Bethlehem Public Library Contact Information GSAMA Aviation Day 7 Images of the Month Club Loaner Scopes Kimball Library Astronomy Resource Guide Boy Scout Troop 11 Sharpless 2-190 and 2-199 Upcoming Events and Credits Heart and Soul bared in H-alpha or Soul and Heart – IC 1848 (left) and IC 1805, imaged in H-α by Herb Bubert in December 2013 with a Canon 70-200mm f/2.8 lens at f/3.5 attached directly to his SBIG ST-8300M camera mounted on the G11 plus PHD guiding with a 50mm finderscope (see page 7). 2 President’s Message Looking Back at 2015 I have now been club President for almost a year. It's been a good year for NHAS, I think. In particular, we managed to do two things which we had wanted to do for years and never quite got around to before: a summer picnic and pre-Christmas telescope-buying talk for the general public. The summer picnic went well and I hope we will have one again next year. The pre-Christmas talk did not go so well. We wanted to educate the general public so that when they bought telescopes they would buy good telescopes.
    [Show full text]
  • Galactic Hα Emission Line Studies Using DEFPOS at the T¨UB˙ITAK
    Turkish Journal of Physics Turk J Phys (2018) 42: 242 { 253 http://journals.tubitak.gov.tr/physics/ ⃝c TUB¨ ITAK_ Research Article doi:10.3906/fiz-1711-14 Galactic Hα emission line studies using DEFPOS at the TUB¨ ITAK_ National Observatory Muhittin S¸AHAN∗ Department of Physics, Faculty of Arts and Sciences, Osmaniye Korkut Ata University, Osmaniye, Turkey Received: 17.11.2017 • Accepted/Published Online: 09.04.2018 • Final Version: 01.06.2018 Abstract: Hα spectral line (6563 A)˚ profiles of eight northern H II regions in our galaxy (Sh2-25, Sh2-131, Sh2-237, IC 434, IC 1318, NGC 1982, NGC 6543, and NGC 6611) have been obtained using the Dual Etalon Fabry{P´erotOptical spectrometer (DEFPOS) with a 4' field of view, located at the coud´efocus of the 150 cm RTT150 telescope at the TUB¨ ITAK_ National Observatory (TUG, Antalya, Turkey). Observations were carried out during the nights of 25{27 December 2015 and 6{7 June 2017 with different long exposure times ranging from 900 s to 3600 s. These spectra provide information about the local standard of rest (LSR) velocities, the full width at half maximum (FWHM), and densities of the sources. The LSR velocities and the FWHM of the Hα emission lines were found to be in the range of {50.31 km/s to 27.57 km/s and 34.88 km/s to 44.54 km/s (mean FWHM: 37.19 km/s), respectively. The NGC 6543 (Cat's Eye Nebula) is the faintest one (75.06 R), while the NGC 1982 H II region is brightest source (38,477.3 R).
    [Show full text]
  • The COLOUR of CREATION Observing and Astrophotography Targets “At a Glance” Guide
    The COLOUR of CREATION observing and astrophotography targets “at a glance” guide. (Naked eye, binoculars, small and “monster” scopes) Dear fellow amateur astronomer. Please note - this is a work in progress – compiled from several sources - and undoubtedly WILL contain inaccuracies. It would therefor be HIGHLY appreciated if readers would be so kind as to forward ANY corrections and/ or additions (as the document is still obviously incomplete) to: [email protected]. The document will be updated/ revised/ expanded* on a regular basis, replacing the existing document on the ASSA Pretoria website, as well as on the website: coloursofcreation.co.za . This is by no means intended to be a complete nor an exhaustive listing, but rather an “at a glance guide” (2nd column), that will hopefully assist in choosing or eliminating certain objects in a specific constellation for further research, to determine suitability for observation or astrophotography. There is NO copy right - download at will. Warm regards. JohanM. *Edition 1: June 2016 (“Pre-Karoo Star Party version”). “To me, one of the wonders and lures of astronomy is observing a galaxy… realizing you are detecting ancient photons, emitted by billions of stars, reduced to a magnitude below naked eye detection…lying at a distance beyond comprehension...” ASSA 100. (Auke Slotegraaf). Messier objects. Apparent size: degrees, arc minutes, arc seconds. Interesting info. AKA’s. Emphasis, correction. Coordinates, location. Stars, star groups, etc. Variable stars. Double stars. (Only a small number included. “Colourful Ds. descriptions” taken from the book by Sissy Haas). Carbon star. C Asterisma. (Including many “Streicher” objects, taken from Asterism.
    [Show full text]
  • A Midinfrared Imaging Catalogue of Postasymptotic Giant Branch Stars
    Mon. Not. R. Astron. Soc. 417, 32–92 (2011) doi:10.1111/j.1365-2966.2011.18557.x A mid-infrared imaging catalogue of post-asymptotic giant branch stars Eric Lagadec,1† Tijl Verhoelst,2 Djamel Mekarnia,´ 3 Olga Suarez,´ 3,4 Albert A. Zijlstra,5 Philippe Bendjoya,3 Ryszard Szczerba,6 Olivier Chesneau,3 Hans Van Winckel,2 Michael J. Barlow,7 Mikako Matsuura,7,8 Janet E. Bowey,7 Silvia Lorenz-Martins9 and Tim Gledhill10 1European Southern Observatory, Karl Schwarzschildstrasse 2, Garching 85748, Germany 2Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Celestijnenlaan 200D, 3001 Leuven, Belgium 3Laboratoire Fizeau, OCA/UNS/CNRS UMR6525, 06304 Nice Cedex 4, France 4Instituto de Astrofsica de Andaluca, CSIC, Apartado 3004, 18080 Granada, Spain 5Jodrell Bank Centre for Astrophysics, School of Physics & Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL 6N. Copernicus Astronomical Center, Rabianska 8, 87-100 Torun, Poland 7Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT 8Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Surrey RH5 6NT 9Observatorio do Valongo, UFRJ, Ladeira do Pedro Antonio 43, 20080-090 Saude, Rio de Janeiro, Brazil 10Science and Technology Research Institute, University of Hertfordshire, College Lane, Hatfield AL10 9AB Accepted 2011 February 17. Received 2011 February 9; in original form 2010 December 10 ABSTRACT Post-asymptotic giant branch (post-AGB) stars are key objects for the study of the dramatic morphological changes of low- to intermediate-mass stars on their evolution from the AGB towards the planetary nebula stage. There is growing evidence that binary interaction processes may very well have a determining role in the shaping process of many objects, but so far direct evidence is still weak.
    [Show full text]