... Archive for November 2009 . ... Posted by hlee . ... My first step in data modeling is identification of parametric models; if they do not fit, we provide nonparametric models for fitting and simulating the data. ... Fitting distributions to data is an important industry in which statisticians are not yet vendors. ... Comment . ... At that time, collecting these modules and getting through them could help me complete the first step toward the quest Learning Python (the first posting of this slog). ...

Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... November 2011 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 November 2 . NGC 604: Giant Stellar Nursery . Credit: H. Yang ( UIUC ), HST , NASA . Explanation: Scattered within this cavernous nebula , cataloged as NGC 604 , are over 200 newly formed hot, massive, stars. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . NASA SEU Edu. ...

... Latest Supernovae . ... Sorted by Name For the years covered, 7501 supernovae and 114 extragalactic novae were reported. 376 of these supernovae were named by CBAT, 1714 were given possible supernova designations, and 5411 were not reported to CBAT. 219 supernovae were found in NGC/IC galaxies, 874 were found in named galaxies 341 objects were discovered by amateurs 4 were brighter than 13th Magnitude 208 were brighter than 16th Magnitude 1079 were brighter than 18th Magnitude 1349 ...

... Sun images . ... Active areas . November : 2015 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for November 09, 2015 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for November 09, 2015 00:31 UT . ...

... This is a preliminary summary of the event on November 24, 1996, considered during the INTERBALL Workshop in Kiljavanranta, Finland, February 1998. ... Pronounced plasma sheet thinning (Bz decrease) . ... Particle burst observed inside the Polar Cap and in tail lobes . A short burst of particles detected by the Auroral Probe particle detectors during the Polar Cap crossing at 21:45 UT, almost simultaneously with the Tail Probe detectors registration of the particle burst inside the North Lobe. ...

... November 30, 1999 . Henize 70: A SuperBubble In The LMC . ... Explanation: Massive stars -- upwards of tens of times the mass of the Sun - profoundly affect their galactic environment. ... It is actually a luminous "superbubble" of interstellar gas about 300 light-years in diameter, blown by winds from hot, massive stars and supernova explosions , its interior filled with tenuous hot expanding gas. ... About APOD > . ...

... HST . ... Data . ... HST Overview . Overview . ... Phase I Proposing . ... Cycle 24 Announcement . ... Phase II Cycle 23 . ... Space Telescope Imaging Spectrograph (STIS) | November 2015 +--------------------------------------------------------+ In this Newsletter we provide some updates of interest to STIS users: Contents: . ... BAR5 Aperture location on the 50CORON Aperture -------------------------------------------------------------- Pushing the Limits of High Contrast with the new . ...

... Gamma Ray Burst, Supernova Bump . ... During April and May, attention has been focused on the western evening sky, presenting its spectacle of bright planets and crescent moons shortly after sunset. Meanwhile, the Sun itself has not been just sinking quietly below the horizon. Tail Wags of Comet Ikeya Zhang . ... The star that appears to powers the nebula, although young and bright, does not seem hot enough to create some of the colors observed. ... At the Edge of the Helix Nebula . ...

Isabel Leonor University of Oregon search for short-duration GW bursts coincident with gamma-ray burst triggers ~1 to 10 ms, e.g. supernova core-collapse models, end of inspiral merger take advantage of readily-available and readilyaccessible ... triggers are from Interplanetary Network (IPN) (KonusWind, Ulysses, Mars Odyssey, others), INTEGRAL , HETE prepare for Swift triggers November 5, 2004 MIT Burst F2F Meeting I ... November 5, 2004 MIT Burst F2F Meeting I. Leonor 14 ! ...