Draft version September 5, 2005 A Preprint typ eset using L TEX style emulateap j v. 11/26/04 THE DEMOGRAPHICS OF LONG-PERIOD COMETS Paul J. Francis Research School of Astronomy and Astrophysics, the Australian National University, Mt STromlo Observatory, Cotter Road, Weston ACT 2611, Australia Draft version September 5, 2005 ABSTRACT The absolute magnitude and perihelion distributions of long-perio d comets are derived, using data from the Lincoln Near-Earth Asteroid Research (LINEAR) survey. ...
Data Flow System Document Title: Document Number: Issue: Date: Document Prepared by: Document Approved by: Document Reviewed by: Document Released by: Peter Bunclark & Simon Hodgkin (CASU) Mike Irwin (CASU Manager) William Sutherland (VISTA Project Scientist) Jim Emerson (VDFS Project leader) VISTA Infra Red Camera Calibration Plan VIS-SPE-IOA-20000-0002 1.4 pre 1 2006-11-13 Signature And date: Signature And date: Signature And date: Signature And date: DATA FLOW Calibration Plan SYSTEM VISTA Document:
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Ссылки http://www.vista.ac.uk/Files/docs/vdfs/Cal-Plan-draft_v1.4.pdf -- 648.5 Кб -- 20.04.2011 Похожие документы
... Fits each source with simple (i.e., not including point-spread function) model to establish source extent and (Poisson-correct) significance (using the stand-alone python program ximgfit1 ) · Flags extended, confused and problematic sources · Computes median (or mean) background level · Excludes times of high background · Extracts spectra, postage stamp images, and light curves of each source for more detailed ... Detected X-ray sources are marked in both images. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/reprints/P3-4.pdf -- 186.4 Кб -- 11.03.2003 Похожие документы