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. ... 1 January 2002 This Month's Meeting.. ... In this talk, Dr. Kwok will summarize our modern understanding of planetary nebulae and show how research on planetary nebulae has impacted other fields ranging from the mapping of dark matter to new insights into the origin of life. ... Tom Calderwood- Fun at the New Year's Eve Party.. ...
... The good energy resolution of the detector allowed the effectiveenergy of the mirrors to be measured with a single exposwe using a continuum source. ... 3113 · 0277-786X/97,$l 0.00 535 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 01/02/2014 Terms of Use: http://spiedl.org/terms The Ge crystal is mounted to a 1.2 liter all.athtude portable cryostat via a cold finger. ... In the energy range from 1.1 keV to 5.9keV a double crystal monochromator was used. ... 4.2 Detector Efficiency ....