... 000, 112 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...
You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...
September 2006 ASTRONOTES Incorporating FRIENDS' NEWSLETTER Record-breaking Relaunch Antarctica's Stardust Memories Martian Muddle Sizing up Space Puzzling Planemos ARMAGHPLANETARIUM 2 Astronotes September 2006 Record-Breaking Relaunch By Julie Thompson, Digital Theatre Manager Our relaunch has been a terrific success. ... This is a phenomenal relaunch after being closed for six years. ... Effectively, thanks to this downfall of space-stuff, the Earth's mass is increasing as time goes by. ...
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Ссылки http://www.armaghplanet.com/pdf/Astronotes/Astronotes2006/Astronotes_Sept_2006.pdf -- 2298.9 Кб -- 20.09.2011 Похожие документы
... Сообщения без ответов . ... Последнее сообщение . ... k2s Перейти к последнему сообщению . ... Asya_Schtirlitz Перейти к последнему сообщению . ... DeZeRt Перейти к последнему сообщению . ... Последнее сообщение Re: Химия. ... Vasisualiy57 Перейти к последнему сообщению . ... Ане4ка Перейти к последнему сообщению . ... bootal Перейти к последнему сообщению . ... Последнее сообщение Re: Равноденствие 2010 . Capricornus Перейти к последнему сообщению . ... Dmitry Перейти к последнему сообщению . ...
... 5-GHz total flux density . ... 0.620 * = the position has been determined to an accuracy of 10 mas from the VLBApls data . VLBApls image at 5 GHz . color gif | contour gif | ... Correlated flux density (Jy) vs. projected baseline length plot . gif | ... flux density (Jy) . EW position (mas) . ... major axis (mas) . minor axis (mas) . position angle ( ) . ... 0.0 . ... 172 . ... VLBApls reference: Fomalont et al. 2000), ApJS, 131, 95-183 . VLBApls home page . ...
... Four types of galaxy environments are considered: clusters, centers of groups, other places in groups, and the field. ... In order to check whether the mean ages of the stellar populations depend on environment density monotonically, as the hierarchical par adigm predicts, in this work I consider four types of environment separately: the cluster galaxies, the brightest (central ) galaxies of groups, the secondranked group members, and the field galaxies. ... Group center SB(rs)0# 204 637 1996 Oct ...
Mon. Not. R. Astron. Soc. 349, 13971418 (2004) doi:10.1111/j.1365-2966.2004.07619.x The 2dF QSO Redshift Survey XII. The spectroscopic catalogue and luminosity function S. M. Croom,1 R. J. Smith,2 B. J. Boyle,1 T. Shanks,3 L. Miller,4 P. J. Outram3 and N. S. Loaring4,5 1 2 3 4 5 Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead CH41 1LD Department of Physics, University of
T HE V I www.vista.ac.uk V ISTA'S ISIBLE & NFRARED S UR VEY T ELESCOPE FOR A STRONOMY .R 1.65DEGREE DIAMETER INFRARED FIELD OF VIEW FEEDS A APID DEEP IR 4- METRE PRIMARY MIRROR AND MEGAPIXEL OBJECTS FOR FOLLOW-UP WITH VLT, AND DIRECTLY STUDY A WIDE VARIETY OF ASTRONOMICAL TOPICS (0.34 PIXEL ) CAMERA (0.852.3µm) 64 IMAGING SURVEYS WILL BOTH SELECT . ... As an ESO telescope, VISTA and its large surveys will now be fully exploited by the whole ESO community. ... VISTA Figure 9: Telescope support base. ...
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Ссылки http://www.vista.ac.uk/Files/docs/VISTA_in_eso-messenger-no117.pdf -- 919.4 Кб -- 14.06.2012 Похожие документы
... Programmable minimum/maximum temperature alarm · Indoor/outdoor temperature and humidity in up to 3 remote locations (additional sensors required) · Barometric pressure in imperial or metric units · Altitude adjustment for pressure compensation · 24 hour barometric pressure history chart · Comfort level indicators (Dry, Humid and Comfort) 5 FRONT A B C G H D E F I REAR J K L 6 A. WEATHER FORECAST/ PRESSURE window B ... Press and hold ALARM button until the temperature digits flashing...
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Ссылки http://www.meade.com/manuals/weatherstations/TE636W_Instruction_Manual_031111.pdf -- 837.2 Кб -- 07.11.2011 Похожие документы
... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...
... STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... 10 November 2013 This month we will be witness to a new comet Comet ISON (C/2012 S1) and it has been billed as potentially the "comet of the century". ... I got the comet! ... Glenn's talk was entitled "Double Stars for Backyard Astronomers or Double Stars are Twice the Fun" Glenn has been an ATMoB member since April 1, 1980....
CHAPTER 13: Space Business and JSC ouston and the Texas of the 1980s became something different than they had been in the 1950s, in part because NASA and JSC gave them the opportunity to be different. ... However, when oil prices quickened and the economy improved at the close of that decade, Owen Morris (a former JSC aerospace engineer and a cofounder of Eagle Engineering) recalled that Houston interest in space declined correspondingly. ... That company was itself a NASA/JSC spin-off. ...
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Ссылки http://www.jsc.nasa.gov/history/suddenly_tomorrow/chapters/Chpt13.pdf -- 309.9 Кб -- 10.11.2004 Похожие документы