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http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/significance-of-5-counts/index.html.
http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/significance-of-5-counts/index.html.
1. Comments on: Significance of 5 counts By: TomLoredo By: vlk By: aneta By: vlk
http :// hea-www.harvard.edu /AstroStat/slog/2008/ significance -of-5- counts / Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders Fri, 01 Jun 2012 18:47:52 +0000 hourly 1 http ://wordpress.org/?v=3.4 http :// hea-www.harvard.edu /AstroStat/slog/2008/ significance -of-5- counts /comment-page-1/#comment-212 TomLoredo Thu, 24 Apr 2008 22:15:09 +0000 http :// ... Ah, but Aneta, what about the variation in the background? ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/significance-of-5-counts/feed/index.html -- 12.3 Кб -- 04.02.2013
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2. http://zebu.uoregon.edu/2004/es399/chitable.html
If the calculated chi-squared statistic exceeds a tabled value for the appropriate number of degrees of freedom, then observed values are significantly different from expected values at the confidence level indicated by p. For one degree of freedom: . p=0.05, 3.84; p=0.025, 5.02; p=0.01, 6.64; p=0.005, 7.88 . For two degrees of freedom: . ... For three degrees of freedom: . ... For four degrees of freedom: . ... For five degrees of freedom: . ...
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Ссылки http://zebu.uoregon.edu/2004/es399/chitable.html -- 1.8 Кб -- 28.01.2002
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3. http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_feb2015/AS01.html
... INSTRUMENT: SurveyCam FILTERS: Stromgren uvby, 2" square COMMENTS: remote observations are expected BRIEF SCIENCE JUSTIFICATION: Last decade numerous faint structures at the periphery of regular galaxies, as arcs, tails, or streams, have been discovered (see e.g. Martinez-Delgado et al., ... The broad-band photometry is used for observing the faint structures, but it does not allow to break the age-metallicity degeneracy efficiently. ... The standard Stromgren set is available at APO. ... 2014). ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/ARCSAT/ObsSchedules/arcsat_feb2015/AS01.html -- 3.5 Кб -- 24.01.2015
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4. Heuristic Estimates of Weighted Binomial Statistics for Use in Detecting Rare
... The standard science quicklook processing produces over a dozen sky maps at each downlink, and these maps are automatically searched for potential transient point sources. ... We have found that a heuristic modification of a formula derived by Li & Ma (1983) provides reasonably accurate estimates of p -values for point source detections even for very low p -value detections. ... Case 1u. The most straightforward approach uses the signal , where . ... To get a p -value, use . ...
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Ссылки http://www.adass.org/adass/proceedings/adass96/theilerj.html -- 14.9 Кб -- 23.06.1998
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5. http://www.naic.edu/vscience/schedule/2015Spring/KoopmanntagA2941.pdf
Proposal Identification No.: ... Proposal Type: General Category: Sub-Category: Observation Category: Time Requested this semester: Hours Next Semester: Hours already used for this pro ject: Additional Hours required to complete pro ject: Minimum Useful Time : Expected Data Storage: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 61.5 0 0 0 2 hours less than 100 GB What SDSS Misses: A Pilot Program to Find More Low Mass ...
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Ссылки http://www.naic.edu/vscience/schedule/2015Spring/KoopmanntagA2941.pdf -- 62.7 Кб -- 09.09.2014
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6. Comments
Next: Code II: Unknown Up: Image Restorations of High Previous: Construction of Algorithms . ... The positions of the designated point sources ( ) must be given as well as initial amplitudes for and . ... The integrated flux of the point sources ( ) plus that of the distributed emission ( ) is constrained to equal that of the observed image ( ). ... This is investigated in Fig. 1 where all emission derives from point sources but only one - the brightest - is designated as such. ...
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Ссылки http://www.stsci.edu/stsci/meetings/irw/proceedings/lucyl.dir/section3_5.html -- 7.5 Кб -- 18.04.1994
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7. ArtistтАЩs impression of the expected dark matter distribution around the Milky
.
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Ссылки http://www.eso.org/public/images/eso1217a/zoomable/ -- 1.9 Кб -- 12.04.2016
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8. lbaops:lbamar2008:vx014a [ATNF VLBI Wiki]
... You are here: start €Ё lbaops €Ё lbamar2008 €Ё vx014a . Trace: тАв vx014a . VLBI Schedule . ... Observer's Wiki . ... lbaops:lbamar2008:vx014a . ... LBA polarisation test . ... Ftp: ftp://ftp.atnf.csiro.au/pub/people/vlbi/vx014/ . ... Mopra Tsys ( plot ) . ... The default tsys data has an incorrect index. ... TSYS MOPRA FT = 1.0 INDEX = 'X','R1|R2','X', 'L1|L2' / . ... The same regions are showing polarised flux. lbaops/lbamar2008/vx014a.txt €§ Last modified: 2015/12/18 16:38 (external edit) . ...
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Ссылки http://www.atnf.csiro.au/vlbi/dokuwiki/doku.php/lbaops/lbamar2008/vx014a -- 25.4 Кб -- 11.04.2016
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9. http://www.gao.spb.ru/english/as/j2014/presentations/guseva.pdf
Some peculiarities of orbits of observed comets. ... Icarus, 2005 Simulation and reality Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of long-period comets with 0.9 e 1 ( ecliptic coordinates ) ...
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Ссылки http://www.gao.spb.ru/english/as/j2014/presentations/guseva.pdf -- 1689.7 Кб -- 28.09.2014
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10. K-band Arcetri Obscured Supernova Search - What is the KAOSS Projrect?
K-band Arcetri Obscured Supernova Search . What is the KAOSS Project? W hat is the KAOSS Project? Some recent surveys aimed at detecting Supernovae (SNe) in the optical have found that starburst galaxies do not show evidence for an enhanced SN rate, with respect to quiescent galaxies (Richmond et al. ... A similar result was obtained by Navasardyan et al. (2001) who looked for SNe in interacting galaxies, finding no evidence for correlations between SN rate and galaxy properties. ...
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Ссылки http://www.arcetri.astro.it/science/SNe/welcome.html -- 11.4 Кб -- 06.02.2004
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11. Source detection
... Where we have just a single image we assume a probabilistic mode of source detection such that, at a given image pixel, if the probability that the observed value at that pixel could have arisen through statistical fluctuation of the background at that pixel lies below a certain limiting probability , the pixel is considered to contain a source. In XMM practice it is likelihood rather than itself which is employed; in this case the detection criterion is for to exceed the cutoff . ...
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Ссылки http://xmm.vilspa.esa.es/sas/7.1.0/doc/imweightadd/node5.html -- 9.2 Кб -- 09.07.2007
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12. Initial Distributions of Binary Parameters
Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node39.html -- 14.1 Кб -- 26.02.1997
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13. Unexpected X-rays from Comet Hyakutake
... Unexpected X-rays from Comet Hyakutake . ... 11.04.1996 . ... Credit: C. Lisse, M. Mumma (NASA/GSFC), K. Dennerl, J. Schmidt, and J. Englhauser (MPE) Explanation: The first X-rays ever detected from a comet were discovered from Comet Hyakutake with the ROSAT satellite on March 27th. ... Information: The Scale of the Universe Debate in April 1996 . ... March . ... Publications with keywords: comet - comet Hyakutake . Publications with words: comet - comet Hyakutake . ... Comet Holmes Over Hungary . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/1996-04-11 -- 13.8 Кб -- 24.08.2002
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14. Ceresт?? bright spots show unexpected changes | Astronomy.com
... Ceresт?? bright spots show unexpected changes . ... CERES | ... Observations made using the HARPS spectrograph at the European Southern Observatory s (ESO) La Silla Observatory in Chile have revealed unexpected changes in the bright spots on the dwarf planet Ceres. Although Ceres appears as little more than a point of light from Earth, careful study of its light shows not only the changes expected as Ceres rotates, but also that the spots brighten during the day and also show other variations. ...
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Ссылки http://www.astronomy.com/news/2016/03/ceres-bright-spots-show-unexpected-changes -- 70.3 Кб -- 10.04.2016
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15. Shifts Are As Would Be Expected. - an Astronomy Net Blackholes2 Forum Message
Blackholes2 Forum Message . ... Post . ... Shifts Are As Would Be Expected. ... Post Message | ... Red and blue shifts can be caused by velocities also. ... The expectd result would be a red or blue shift proportional to the aparent distance an object is from the observer. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/forums/blackholes2/messages/4964.shtml -- 13.6 Кб -- 09.04.2016
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16. APOD: April 11, 1996 - Unexpected X-rays from Comet Hyakutake
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. April 11, 1996 . Unexpected X-rays from Comet Hyakutake . Credit: C. Lisse, M. Mumma (NASA/GSFC), K. Dennerl, J. Schmidt, and J. Englhauser (MPE) . Explanation: The first X-rays ever detected from a comet were discovered from Comet Hyakutake with the ROSAT satellite on March 27th. ... About APOD | ... A service of: LHEA at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap960411.html -- 4.7 Кб -- 02.10.2012
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17. http://mavr.sao.ru/hq/lizm/conferences/pdf/1987/1987_p78-p78.pdf
... From the peculiar shape of the light curve in the visible spectral region (a long phase interval of light constancy was observed by Hensberge et al. in 1981 ), HD 56022 had been expected to show unambiguously the nonequatorial symmetry of its surface brightness distribution. However, analysis of the light curve has yielded a possible equatorial position of a spot. ... A solution seems only possible, if the light constancy over the long phase interval in the visible is not observed in the UV. ...
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Ссылки http://mavr.sao.ru/hq/lizm/conferences/pdf/1987/1987_p78-p78.pdf -- 5.9 Кб -- 24.02.2010
[ Текст ] Ссылки http://www.sao.ru/hq/lizm/conferences/pdf/1987/1987_p78-p78.pdf -- 5.9 Кб -- 24.02.2010
[ Текст ] Ссылки http://jet.sao.ru/hq/lizm/conferences/pdf/1987/1987_p78-p78.pdf -- 5.9 Кб -- 24.02.2010
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[ Текст ] Ссылки http://www.sao.ru/hq/lizm/conferences/pdf/1987/1987_p78-p78.pdf -- 5.9 Кб -- 24.02.2010
[ Текст ] Ссылки http://jet.sao.ru/hq/lizm/conferences/pdf/1987/1987_p78-p78.pdf -- 5.9 Кб -- 24.02.2010
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18. Leonids 2006
Trail encounter . ... Expected meteor rates . ... The Leonids are the debris of Comet 55P/Tempel-Tuttle. ... The Earth's passage right through the centre of trails is associated with the most spectacular meteor displays (studies show that, as well as how close to the centre of the trail you are, the strength of the display also depends on how far along a trail's length you are). ... The encounter with the 1932 trail will lead to enhanced meteor activity: a nice outburst, but below storm level. ...
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Ссылки http://star.arm.ac.uk/leonid/2006/info2006.html -- 8.6 Кб -- 21.11.2006
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19. Radio patrol survey by Gregory and Taylor
... 371Gregory Taylor . ... We persent a catalog of 1274 discrete sources detected during a 5 yr, 6 cm, radio-patrol survey of the galactic plane for variavle sources. ... Seventy-five percent of the sources are weaker than 75 mJy, and as a consequence reliable sources and 27 possible variables were detected, of which 64 % exhibited shirt-term variability. ... A comparison with previous centimeter variability studies suggests the possible existence of two distinnct variability components. ...
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Ссылки http://www.sao.ru/cats/doc/GT_patrol.html -- 7.9 Кб -- 18.03.2015
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20. http://comet.sai.msu.ru/~gmr/AC/AC1573.pdf
ASTRONOMICHESKII TSIRKULYAR No.1573, 2010 April 12 1995 2009 . A Comparison of the Latitudinal Variations of the Methane Absorption Bands on Saturn's Disk at Equinoxes 1995 and 2009 Abstract. The observations of Saturn at last equinox 2009 have detected significant differences of the latitudinal variations of the methane absorption from observed at 1995 equinox . ... 1995 . 2008- 2009 , . ... 4 ( 580-880 ) , (.1) , 2008-2009 . ... 2 , 4 725 1995 2009 . ... 1995 2009 15 , 1980 1995 . ...
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Ссылки http://comet.sai.msu.ru/~gmr/AC/AC1573.pdf -- 236.4 Кб -- 06.03.2012
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