... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Parkes radio telescope . ... Information & tools for observers . ... Online Resources . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Recently, the OGLE team have reported a clear quasar microlensing signal in Q2237+0305. ... From light-curve fitting, I unambiguously set the source size of Einstein Ring radius as a conservative limit. ...

Next: CORRELATOR BOARDS Up: OBSERVING PROCEDURES Previous: Frequency Switching . ... Continuum sources in the list used for flux density calibration were selected in an ad-hoc fashion from a variety of places, but primarily from Kuehr et al (A&AS, 45, 367, 1981), the compendium of linearly polarized sources by Tabara & Inoue (A&AS, 39, 379, 1980), and an unpublished list of unconfused calibrator sources prepared from the NVSS survey by Jim Condon and Qi Feng Yin. ... Board 0 . ...

Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...

... The stars examined here were primarily culled from two lists of X--ray sources in Orion. ... The second region is two degrees in extent east--west and ten degrees north--south with Orionis being near the northern edge. ... In the end, two main regions were chosen for monitoring: stars near Orionis and stars northwest of the belt of Orion. ... The PSPC identified 22 sources within 15 of Orionis in addition to the sources listed in Table 1 , giving a total of 85 X--ray sources in the Orionis region. ...

home education > family astro . SEARCH ASP SITE: Match ALL words Match ANY word . ... Family ASTRO Resource Guides . ... The Moon . ... This guide -- for educators, amateur astronomers, and everyone who would like to know more about the Earth's only natural satellite -- covers our scientific understanding of the Moon as a world, the appearance of the Moon in our skies, and tips for observing the Moon through binoculars or small telescopes. ... http://www.nasa.gov/worldbook/moon_worldbook.html . ...

Next: Program parameters Up: Description of program searchdup Previous: Description of program searchdup . The program searchdup searches a catalog file for sources observed multiple times. It produces a file that can be plotted with a standard plotting utility (e.g. smongo), or a new catalog file in the same format of the input one, with just one record per independent source. ...

The Astronomy Net . Articles | ... Forums . ... Planets | ... The list below is a live snapshot of where the planets and moon are located right now. ... The links in the left hand column take you to a mirror of the excellent NinePlanets web site where you can read about each planet and much much more. The latest news includes the fact that Pluto is no longer classified as a planet. ... Pluto is now classified as a 'dwarf planet' which includes Ceres and soon to be many others. ... 100 . ...

Stellarium 0.12.3 . ... FileљStructure . FileљList . ... core . modules . Meteor.hpp . ... 46 љ Meteor ( const StelCore *, double v); . ... 64 љ Vec3f position; . 65 љ Vec4f color; . ... 67 љ : position( Vec3f (pos[0], pos[1], pos[2])), color(color) {} . 68 љ VERTEX_ATTRIBUTES( Vec3f Position , Vec4f Color); . ... 75 љ Vec3d obs; // observer position in meteor coord. system . ... 88 љ double xydistance; // distance in XY plane (orthogonal to meteor path) from observer to meteor . ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...