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Technical Instrument Report WFPC2-2002-02 SMOV3B Flat Field Verification A. M. Koekemoer, I. Heyer May 14, 2002 ABSTRACT We compare WFPC2 Earthflats taken before and after the 2002 Servicing Mission 3B. Most of the field-of-view shows no change (<0.3%) in flat field calibration. ... 1995; Koekemoer, Biretta & Mack 2002). ... For the pre-SMOV observations we started with a total of 124 Earthflats in F502N taken between June 2001 and February 2002 as part of proposals 8815 and 8940. ...

Annex E3 Total Australian university astronomy expenditure Tot al Univ ersity astronomy expenditure can be calculated in sev eral ways. ... Add up all of the funding input going to each university astronomy group. ... The following items are not included, as thes e should be capt ured in other parts of the Decadal Plan: · · · Gemini, including univ ersity contributions Major instrument contracts, such as NI FS Travel costs A number of assumptions need to be made. ... Salaries and Indirect costs. ...

... 1999 Photoinduced transformation of luminescence centers in C60 crystals at high pressure V. D. Negri *) and K. P. Meletov Institute of Solid-State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Moscow Region, Russia Submitted 22 November 1999 ґ Pis'ma Zh. ... 12, 784 ­ 788 25 December 1999 The influence of laser irradiation on the photoluminescence spectra of perfect C60 crystals in the orientationally disordered phase is investigated. ...

... In addition to the previously known expansion of the system of bright filaments with a velocity of 100­200 km s-1 , we detected weak high-velocity features in the H line at least up to velocities of 400­450 km s-1 . ... Supernovae and supernova remnants, pulsar wind nebulae, models. ... Subsequently, an H I E-mail: lozinsk@sai.msu.ru shell that coincides with the infrared shell and expands with a velo city of 72 km s-1 , which yields a kinematic SNR age of 7.7в104 yr, was also identified (Ko o et al...

... Archives . ... Like spherical cows , true blackbodies do not exist. ... black here simply refers to the property of the object where no wavelength is preferentially absorbed or emitted, and all the energy input to it is converted into radiation. ... The blackbody spectrum is . B_{\nu}(T) = \frac{2 h \nu^3}{c^2} \frac{1}{e^{h \nu / k_B T} ? ... The general shape of a blackbody spectrum is like a rising parabola at low ? ... Comment ( RSS ) | ... Chandra Blog . ... Entries (RSS) and Comments (RSS) . ...

Bright Lights, Dark City . ... Usually, the reflection of city lights off of local air impurities makes it hard for casual observers to see more than a handful of stars from a bright urban area . A large power outage in northeast North America , however, dimmed most city lights and brought unfamiliar celestial wonders to many who looked up. ... Visible lights are mostly attributable to cars, local power generators, flashlights, and candles. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

Since 1994, the Astronomical Society of the Pacific's (ASP) highly successful national Project ASTRO? program has been providing opportunities for professional and amateur astronomers to contribute to science education in their local communities. ... The original "classic" Project ASTRO educator-astronomer partners found tremendous interest in what they were doing among the families of their students, and thus Family ASTRO was born to continue at home what was begun in the classroom. ...

... Astrophysics Group . ... COAST . Fringes and Power Spectra from COAST . ... After acquiring a star, measurements must be made of the (complex) fringe visibility on each baseline. ... Fortunately, even in the presence of very strong atmospheric turbulence there is a good observable: the phase of the triple product of the visibilities on three baselines, commonly known as the closure phase. ... We then form the power spectrum of the resultant data, and hence estimate the visibility. ...

Proposal Identification No.: A2619 Date Received: 2011-Feb-06 11:18:26 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy 30 Hours 15 min To investigate a dust formation event in WX Psc Monitoring the ratio of red and blue-shifted 1612 MHz peak fluxes from the bright OH/IR star WX Psc utilizes a sensitive form of differential photometry. ...

... 2003 August 18 . Bright Lights, Dark City . ... A large power outage in northeast North America , however, dimmed most city lights and brought unfamiliar celestial wonders to many who looked up. ... Prominent in the above four-image digital montage are two of the few celestial wonders that can be seen even above the usual glare of city light pollution : the Moon and Mars . ... Tomorrow's picture: Mars Approaches . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

... Keywords: Proper Motions, Schmidt Plates, Astrometry, Guide Star Catalog, Palomar Sky Survey . In this paper we describe a program of determining proper motions from digitized scans of 1950's-era Palomar Sky Survey (POSS) Schmidt Plates and 1980's-era Palomar Oschin Schmidt `Quick V' plates that were taken for the Hubble Space Telescope ( HST ) Guide Star Catalogue. ... Arrows indicate the magnitude and direction of the proper motion for the stars. ...

Every body is held together by two forces, its self-gravitation and its internal strength due to molecular bonding. ... A few of these cases have been obviously attributable to the tidal forces of Jupiter (Comet Brooks 2 and Comet Shoemaker-Levy 9) or the Sun (the Kreutz comet family), while other splittings have to be attributed to less obvious causes. ... They always approach the Sun to within 3 million kilometers (1.9 million miles) or less, and some have actually hit the Sun. ...

Is the ozone layer recovering ? ... Global Regulation Global Regulation · · · · 1985: Vienna Convention 1987: Montreal Protocol Several amendments and adjustments Quantity for (chemical) ozone depletion of ODS: EESC (Equivalent Effective qu ect Stratospheric Chlorine): Weighting over release and ozone depletion of individual ODS EESC for mid-latitudes http//:www.wmo.ch/web/arep/reports/ozone_2002/q&as.pdf, Seite Q.29 1980 1990 2000 2010 2020 2030 2040 2050 2060 2070 2080 2090 2100 3. ...