... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 May 31 . Supernova 1994D and the Unexpected Universe . Image Credit: High-Z Supernova Search Team , HST , NASA . Explanation: Long ago, far away, a star exploded. ... Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae . ... About APOD | ...

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• APOD: 2005 November 20 - Rays from an Unexpected Aurora
• APOD: 2006 March 6 - Unexpected Comet Pojmanski Now Visible
• APOD: 2006 March 13 - Z Machine Sets Unexpected Earth Temperature Record

... December 30, 1998 . Supernova 1994D and the Unexpected Universe . Credit: High-Z Supernova Search Team , HST , NASA . Explanation: Far away, long ago, a star exploded. ... Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae . ... The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe . ... About APOD > . ... NASA Technical Rep.: ...

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• APOD: 2000 March 12 - Supernova 1994D and the Unexpected Universe

Astronomy Picture of the Day . ... Credit: High-Z Supernova Search Team , HST , NASA Explanation: Far away, long ago, a star exploded. ... Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae . ... The large number and great distances to supernovae measured over the past few years have been interpreted as indicating that we live in a previously unexpected universe . ... Publications with keywords: cosmology - universe - supernova . ...

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• Астронет > Supernova 1994D and the Unexpected Universe
• M1: Filaments of the Crab Nebula

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

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Next: Future Work Up: CCD Scientific Performance Previous: Modes of Operation . ... However, the first experiments with Co-60 irradiation showed loss of charge transfer performance at doses of 10krads [Lumb and Holland 1988b]. ... These studies showed that the charge transfer degradation was a more severe problem than conventional integrated circuit damage mechanisms. ... Another manifestation of radiation damage is that of dark current spike generation. ...

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• Generation from In-Orbit Data
• Errors
• Description

... We can investigate projection of this distribution onto the celestial sphere in two ways: in terms of lines of constant SN frequencies per one square degree for all galaxies from the sample (Figure 36 ), and in terms of constant GW amplitudes at a given SN frequency per square degree (Figure 44 ). ... Figure 45: The sky distribution of the total supernova frequency from nearby galaxies in terms of lines of equal frequencies per square degree. ...

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• Supernova Explosions
• Science with CXO

... These are ``quirks'' rather than ``bugs''. Below is a list of quirks. When loading a file and ``Reset Intensity Upon File Load'' is disabled, the intensity range of the previous image will be used. ... When moving between two images (such as when blinking, or when loading a new image), the display system attempts to retain the old image parameters (i.e. zoom box). What is retained are the corners of the zoom box measured in image pixel co-ordinates, not world co-ordinates. ...

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• Event-driven Tasks and Graphical User Interfaces

This page is devoted to information on Supernova 1999dq in NGC 976 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. Supernova 1999dq is the 24th LOSS discovery this year. ... VSNET Light curve (requires JAVA). ... vsnet-alert 3442 ] SNe 1999dp and 1999dq . vsnet-chat 2285 ] Host galaxy of SN1999dq . ...

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• Supernova 1999ev in NGC 4274
• Supernova 1999ee and 1999ex in IC 5179
• Supernova 1999ej in NGC 495

Astronomy Discussion Forums . ... I Expected More Sense Than That. ... Post Message | ... Posted by Richard D. Stafford, Ph.D. on November 8, 2002 04:14:05 UTC . ... You are missing the point - harvey1 - November 8, 2002 - 13:10 UTC . I hope Stafford doesn't mind my intruding his forum - mrsouza - November 8, 2002 - 14:55 UTC . ... www.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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• Shifts Are As Would Be Expected. - an Astronomy Net Blackholes2 Forum Message

... In order to disentangle the effects of different climate variables on tree-ring growth rates of different species, and to explore the possibility that more than one species could improve the accuracy of the reconstructions of climate using tree rings, a methodical study of trees in close proximity to the Armagh Observatory climate station was initiated together with Ana Maria Garc?a Su?rez, and continued as part of the latter's PhD thesis with John Butler and Professor Mike Baillie (QUB). ...

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• M.E. Bailey, Director
• Armagh Observatory
• Leonids 2006

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I see unexpected boxy emission-like features in my REDL spectra - where do they come from? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... The pipeline by default interpolates across the bad columns in the REDL CCD when it creates the master bias, but does not so when it processes the science data. This inconsistency can create boxy emission-like features as seen in the figure below. ...

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• The Unexpected Past of a Dwarf Galaxy | ESO
• ArtistтАЩs impression of the expected dark matter distribution around the Milky

... Planets . ... Earth Satellites . ... The newly discovered ?mega-Earth? ... Its sibling, the lava world Kepler-10b, is in the background (the two planets? proximity is grossly exaggerated) .€а Kepler-10c has a diameter of about 29 000 km, 2.3 times as large as Earth, and weighs 17 times as much. ... The first mega-earth to be discovered is Kepler-10c which orbits a star lying about 560 light years from the Sun in the constellation Draco. ... Astronomers Find a New Type of Planet: The ?Mega-Earth? ...

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• Supernova in the Cigar Galaxy | Astronotes
• Supernova spotted by Irish astronomer | Astronotes
• physics | Astronotes - Part 3

Documentation for Delay Line Final Design Review - 12 Feb 2008 Notes: Anything marked in Status as [TBU] is definitely `To Be Updated' `Expected Date' refers to the expected date of release where this is likely to be different from the due date. ... TBU] INT-406-VEN-0112 MF/RCB/DMAW/EBS 22 Jan 08 22 Jan 08 Released. ... MF/XS/DMAW MF MF MF MF/XS/DMAW 22 Jan 08 29 Jan 08 Yet to be drafted 22 Jan 08 22 Jan 08 Yet to be drafted 22 Jan 08 22 Jan 08 Released. ... Document No. ...

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• Supernova Remnant (SNR) Catalogue or Catalog of Galactic SNRs

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . Spaceflights Chronology . Chronology of Extravehicular Activity . ISS 45/46 . ... Rocket Space Complexes . ... Launches Chronology . ... Automatic Space Systems . ... HISTORY . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bad TV

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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• http://zebu.uoregon.edu/1995/ph161/l15w.html
• The Galaxy Gallery: Messier Objects
• Galaxy Gallery Page II

... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... First galaxies were born much earlier than expected . ... Using the amplifying power of a cosmic gravitational lens, astronomers have discovered a distant galaxy whose stars were born unexpectedly early in cosmic history. ... However, the newly discovered galaxy has dramatically different features from other distant galaxies that have been observed, which generally shine brightly with only young stars...

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• Forming of supernova explained | Astronomy.com
• A much expected journey: How Pluto became a giant among the dwarfs |
• Newly found pulsar helps astronomers explore Milky Wayт??s mysterious core |

Perhaps the greatest theoretical achievement of physics in the 19th century was the discovery of electromagnetic waves. ... It is possible to use this to define a unit of electric charge, as the charge which repels a similar charge at a distance of, say, 1 meter, with a force of unit strength (actual formulas make this precise). ... But "field" originally only meant the force a magnet or an electric charge could expect at a point in space, if it were placed there. ...

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• Energetic Particles
• Pc 4 [Oulu]
• The Acceleration of the Aurora

WFC3 Instrument Handbook for Cycle 24 . ... Wide Field Camera 3 Instrument Handbook for Cycle 24 > Appendix A: WFC3 Filter Throughputs > A.2 Throughputs and S/N Ratio Data . ... Note that the plots show the S/N as a function of source magnitude for exposure times as short as 0.1 s, although the minimum exposure time for the UVIS channel is actually 0.5 s. Wide Field Camera 3 Instrument Handbook for Cycle 24 > Appendix A: WFC3 Filter Throughputs > A.2 Throughputs and S/N Ratio Data . ...

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• Gauging the impact of executing science program across different COS/FUV
• CTE Photometric Correction Formula
• Roelof's Citation Statistics

... Archives . ... Over the few years, at the heart of astronomical researches, I see astronomers treat statistics like a magic crystal. Like a magic crystal, statistics . ... As one expects, a magic crystal can say wrong stuffs from time to time. ... I hope that astronomers listen statisticians? ready built never used crystal although protocols of design experiments do not match astronomers? data and their requests at the beginning (time series data that I mentioned, for example. ... Chandra Blog . ...

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• The AstroStat Slog Blog Archive [ArXiv] Astronomy Job Market in US
• The AstroStat Slog IDL
• How did I collect the tweets from the 219th meeting of the AAS