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1. Inference of Coefficients for Use in Phase Correction
... OOF software . ... Memos . ... Raw data . ... We present a Bayesian approach to calculating the coefficients that convert the outputs of ALMA 183 GHz water-vapour radiometers into estimates of path fluctuations that can be used to correct the observed interferometric visibilities. ... Please note that the files"COPYING" in each of the distribution packages have GPL listed but it is in fact LGPL which applies. ... This is the raw data from the SMA used in the analysis shown in Section 4 of the memo. ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/alma/memo-infer.html -- 14.3 Кб -- 25.11.2009
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2. casacore: components/ComponentModels.h Source File
... Modules . ... Classes . Files . ... File List . File Members . components . ... National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# $Id: ComponentModels.h 20691 2009-07-14 03:13:54Z Malte.Marquarding $ 00027 00028 #ifndef COMPONENTS _ COMPONENTMODELS _H 00029 #define COMPONENTS _ COMPONENTMODELS _H 00030 00031 # include components / ComponentModels /ComponentType.h 00032 00033 # include components / ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/casacore/casacore-1.2.0/doc/html/ComponentModels_8h_source.html -- 18.4 Кб -- 14.02.2011
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3. ASP: Star Science in the Autumn Sky
Once students get the hang of it, they can find and measure the brightness of Delta Cephei in a few minutes. ... of Delta Cephei . ... Oct. ... The following table lists the measurements of Delta Cephei made by one amateur astronomer in autumn 1990. ... 4.0 . ... This activity is a simplified version of one that appeared in Hands-On Astrophysics, a series of activities prepared by the American Association of Variable Star Observers with support from the National Science Foundation. << previous page | ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/32/starscience4.html -- 18.8 Кб -- 02.10.2012
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4. Constraints on the model components:
... The fitting procedure will only converge to a unique solution if the components are linearly independent. ... The task calculates for each pair of component images and fails with an error if any is greater than 0.99. ... Hence components may be linearly independent in masked pixels yet still fail the test within the task. ... Finally, since the Poisson image values are necessarily all , negative values are not allowed in the model components. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/bkgfit/node6.html -- 6.0 Кб -- 09.07.2007
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5. Obsolescent Acquisition Parameters
Target Acquisition Reference Information . ... In almost all cases where an onboard acquisition will not work (because the object is in a crowded field, or is variable, or is a moving target), it is sufficient to use an early acquisition to get a WFPC2 or FOC image a few weeks in advance of the GHRS observation. ... Explicit BRIGHT and FAINT limits may be specified if you desire, although there is an increased risk of a failed acquisition unless you are confident of those fluxes. ... MAPs . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/instrument-news/handbooks/ghrs/GHRS_42.html -- 8.2 Кб -- 14.02.1996
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6. A deep 38-MHz radio survey
... A revised machine-readable source list for the Rees 38-MHz survey. ... 233R ============================================================================ We present a revised machine-readable source list for the Rees 38-MHz (or '8C') survey with improved positions and no redundancy. The Rees 38-MHz survey covers an area of about 1 sr north of declination +60 degrees. The angular resolution is 4.5 x 4.5cosec(dec) arcmin**2 and the limiting flux density over much of the survey area is about 1 Jy. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/8C.html -- 7.8 Кб -- 18.03.2015
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7. GRB030329
On March 29, 2003, an exceptionally bright Gamma-Ray Burst (GRB) was discovered by the HETE-2 satellite (Vanderspek et al. ... 2003, GCN, 2020, 1), GRB 030329 is the nearest cosmological burst detected to date, and its extreme brightness can be attributed to its proximity. ... In the fourth epoch, 51 days after the burst, GRB 030329 appeared resolved at 15 GHz with a component appearing to the north east at 0.28 +/- 0.05 mas from the main component (Fig. a). ... days after the burst. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~astro/aovlbi/GRB030329/GRB030329.html -- 5.1 Кб -- 22.03.2004
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8. Calculating the Position and Velocity Components of HST
... The HST uses an onboard model of its orbit to perform in real-time various control functions relating to spacecraft operations and observation support. ... New coefficients for the ephemeris are updated every other day, and are archived as FITS keywords for each HST observation data set. Using these coefficients,an observer can perform a variety of calibration and characterization calculations relating to the orbital position and velocity of the telescope. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/aket.html -- 12.3 Кб -- 03.11.2000
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9. CH Cyg
... The hot component shows very spectacular activity: irregular outbursts accompanied by fast, massive outflows and jets. ... Diffraction-limited images for both components of CH Cyg binary system were reconstructed using visible speckle interferometry at BTA 6-m telescope (Fig.1). The orbital period 15.6 years and masses: 2.0 Msun and 0.7 Msun for red giant and white dwarf, respectively were derived from angular distance (0.042") and magnitude difference (2 m ) of the components. ... Fig.1. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/2010/CHCyg/ -- 4.2 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/2010/CHCyg/ -- 4.2 Кб -- 02.10.2012
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10. Izmccd
... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...
[ Сохраненная копия ]  Ссылки http://www.izmccd.puldb.ru/izmccd9e.htm -- 9.9 Кб -- 17.09.2007
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11. http://site2010.sai.msu.ru/static/doc/DAfshari.pdf
Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...
[ Текст ]  Ссылки http://site2010.sai.msu.ru/static/doc/DAfshari.pdf -- 472.0 Кб -- 27.10.2010
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12. The Catalogue of Interacting Galaxies by Vorontsov-Velyaminov
... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [