. XMM-Newton Science Analysis System . imweightadd (tools-1.63) [xmmsas_20060628_1801-7.0.0] . Meta Index / Home Page . 1 . M. P. Fay and E. J. Feuer. Confidence intervals for directly standardized rates: a method based on the gamma distribution. Statistics in Medicine , 16:791-801, 1997. XMM-Newton SOC/SSC -- 2006-06-28

... Science Blog . ... October 20, 2015 . ... September 22, 2015 . ... March 16, 2015 . ... October 21, 2014 . ... October 29, 2013 . Jason Bingham . ... October 18, 2012 . ... Jason M. Morwick is a fulltime teleworker and writer who writes about teleworking, leading in the virtual workplace, and business process improvement. ... Jason holds a bachelor of science from the United States Military Academy at West Point and a Masters of Business Administration from Regis University, Denver, Colorado. ...

... Home Articles Choosing and Using Binoculars . ... Beyond New York City . ... Choosing and Using Binoculars . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... For instance, if you observe with a 7 x 50 pair of binoculars under a city sky, this is like observing with a pair of 7 x 35 binoculars. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Technical aspects of the new AAO/UKST H interference filter . ... Basic design: A 3-cavity design of ion-assisted deposition (IAD) of refractory oxide material on both sides of a Schott RG610 R-band filter. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... J.A. Hardcastle . ... He was a first-class speaker, and he had the ability to make his subject really fascinating; for instance, he was a skilled maker of astronomical models. ... Naturally, he also served on the R.A.S. Committee dealing with the publication of Sir William Herschel's papers, and it was about this time that he came into close contact with Dreyer at Armagh. ... Mrs Hardcastle . ... Armagh Observatory, 1917 . ...

... Moon . ... Tune into the Asteroid Day press conference . ... Read Mark BosloughУ?т??т??s blog on the Jupiter impact . ... Avoiding impacts . ... A stronomers and policy makers met February 23 to 26 in Garden Grove, California, to discuss what many might consider a far-out concept protecting Earth from asteroid and comet impacts. ... Even with asteroids, they note, the probability of an impact must reach nearly 100 percent before astronomers can firmly establish where on Earth it will strike. ...

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Just A Bit Of Hyperbole.. Forum List | ... Post Message | ... Posted by Nicholas on November 3, 2002 09:03:07 UTC . ... Login to Post . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Xerox Palo Alto Research Center, 3333 Coyote Hill Rd., ... We describe our experiment with an on-line collaborative environment where users share the execution of programs and communicate via audio, video, and typed text. ... Our idea was to build a multi-user, network-accessible environment which we could populate with tools useful for astrophysics research. ... These client-server games were usually written by graduate and undergraduate students, and plain telnet was often the client. ...

.

Visitor Information and Housing Request . Please note: APO accommodations are not available to the public . Read this page carefully, and please submit this form 30-working days in advance of your arrival. ... When on-site accommodations are full, APO will assist you in obtaining off-site housing. ... To cancel an existing reservation, enter the name and arrival date and choose "cancel." ... Complete the name and arrival date in the fill-in form and select Cancel . ... Room #1/Dorm A . ...

... A non-linear relationship is observed between the sky brightness on clear and overcast nights, with a change in behavior near the rural to urban landuse transition. ... The great variation in skyglow radiance observed from site-to-site and with changing meteorological conditions underlines the need for a long-term international monitoring program. he introduction of artificial light has caused an unprecedented disruption to the nighttime environment over large areas of the Earth. ... Data processing...