The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

Еще в разделе: (Показать все результаты (>2505) - www.jsc.nasa.gov/ )

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 December 5 . Startling Star V838 Mon . ... Explanation: Variable star V838 Monocerotis startled astronomers in January of 2002, undergoing a dramatic outburst like no other variable star known. ... A good astrophysical explanation for V838 Mon's outbursting behavior is still unknown but astronomers continue to follow the mystery star. ...

Еще в разделе: (Показать все результаты (>8275) - www.sai.msu.su/ )

• APOD: October 20, 1999 - NGC 2261: Hubbles Variable Nebula
• APOD: 2010 October 21 - Methuselah Nebula MWP1
• APOD: October 14, 1996 - Bright Stars, Dim Galaxy

... Image Processed by Al Kelly Explanation: Variable star V838 Monocerotis startled astronomers in January of 2002, undergoing a dramatic outburst like no other variable star known. Followed closely by ground-based instruments and the Hubble Space Telescope over the following months, it was soon realized that the quickly evolving dusty nebula surrounding V838 Mon was in fact made visible by "light echoes" from the outburst . ... Publications with keywords: v838 mon - light echo - variable star . ...

Еще в разделе: (Показать все результаты (>139809) - www.astronet.ru/ )

• Hubble Telescope Maps Pluto
• V838 Mon: Light Echo Update
• Journal "Peremennye Zvezdy"

... Science Users Information > Science Publications > Science Announcements > Revised Acknowledgement for Publications Based on ESO Data . ... Science Archive Facility . ... When findings based on ESO data are published, acknowledgement is requested through a specific statement, to be found here . ... Please add this acknowledgement to your future papers which are based on ESO data, regardless of whether these are new observations using proprietary data or data obtained from the ESO Science Archive . ...

Еще в разделе: (Показать все результаты (>66325) - www.eso.org/ )

• The hidden fires of the Flame Nebula* | ESO
• ESO - Publications based on ESO Data
• ESO - Other Bibliographies

... A time series analysis is applied to the photometric data obtained by the HST Fine Guidance Sensors (FGS), in order to discover new variable stars and to derive information about microvariability of a large sample of objects. ... Our project is based on a time series analysis of all data sets recorded by the FGSs in order to detect variability among the used Guide Stars. ... Based on ESO 1.5m Danish DFOSC photometry, we have verified variability for three Guide Stars. ...

Еще в разделе: (Показать все результаты (>17342) - www.stsci.edu/ )

• An Empirical Pixel-Based Correction for Imperfect CTE . I. HST's Advanced
• NICMOS to Ground Based Systems Transformations
• Pixel-Based CTI Corrections for STIS CCD Data

... Posts tagged ?model based? ... arXiv:stat.ME:0910.2585] . Variable Selection and Updating In Model-Based Discriminant Analysis for High Dimensional Data with Food Authenticity Applications . ... Category: Algorithms , arXiv , Cross-Cultural , Data Processing , Jargon , Methods , Spectral , Stat | ... Tags: bimodality , chi-square minimization , Classification , CMD , Estimation , machine learning , massive data , model based , PCA , spectral analysis , spectroscopic , survey , VO . ...

Еще в разделе: (Показать все результаты (>3559) - hea-www.harvard.edu/ )

• The galaxy M100
• The AstroStat Slog variable selection
• The AstroStat Slog clustering

... October events at Blackrock Castle Observatory . ... Astronomy Evening Classes for Beginners . Irish Astronomical Society's October Talk (Monday 19th, 8 pm, Dunsink Observatory) is presented by Dr. Brian O'Halloran and is Entitled "The Herschel Space Observatory - The golden age of space-based IR astronomy continues". ... Wednesday, 14 October 2009 11:09 . International Year of Astronomy, Ireland National Node . ...

Еще в разделе: (Показать все результаты (>4964) - star.arm.ac.uk/ )

• Homepage of Gavin Ramsay
• Astronomy Today and the Role Played by the Hubble Space Telescope: Wednesday 17
• Japanese Discover Large Earth Crossing Asteroid

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... Next: Step 3: Postprocessing to Up: How Pieflag works Previous: Step 1: Amplitude-based flagging . ...

Еще в разделе: (Показать все результаты (>22704) - www.atnf.csiro.au/ )

• Publications of the Astronomical Society of Australia
• Archive of VLBI Observations Majordomo List
• Disk Based Processing

XEphem Forum Message . Forums: . ... Post . ... Re: Filter Based On Catalogs? ... Post Message | ... Posted by Elwood Downey on December 27, 2000 18:54:34 UTC . ... No, you are not missing anything.. there is no filtering that is based literally on catalog. ... Re: Re: Filter based on catalogs? - rknop - December 27, 2000 - 20:53 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Еще в разделе: (Показать все результаты (>1042) - www.astronomy.net/ )

• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• XEphem Discussion Forum - Hosted by The Astronomy Net

... What's new . ... The new version of the General Catalogue of Variable Stars (GCVS4.2) revised taking into account the new data accumulated since the 4th GCVS edition for the constellations: Canis Minor, Capricornus The new version of the GCVS ! ... The new version of the General Catalogue of Variable Stars (GCVS4.2) revised taking into account the new data accumulated since the 4th GCVS edition for the constellations: Apus, Cancer, Canes Venatici and Canis Major The new version of the GCVS ! ...

Еще в разделе: (Показать все результаты (>119) - sai.msu.ru/ )

• GCVS Research Group: Recent publications

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Modules . ... Allows the setting of environment variables based on characteristics of the request . ... The mod_setenvif module allows you to set environment variables according to whether different aspects of the request match regular expressions you specify. ... The BrowserMatch is a special cases of the SetEnvIf directive that sets environment variables conditional on the User-Agent HTTP request header. ...

Еще в разделе: (Показать все результаты (>1414) - www.sao.ru/ )

• Apache IP-based Virtual Host Support - Apache HTTP Server
• SSL/TLS Strong Encryption: Compatibility - Apache HTTP Server
• mod_actions - Apache HTTP Server

... Previous: Background Fluctuation Analysis from the Multiscale Entropy . ... A new measure of information is defined which is based on noise modeling and incorporates resolution scale. Properties of this measure are discussed. ... Additionally it allows for image noise modeling, and subsequent noise removal. ... Hence information- and entropy-based processing technologies will be necessary for the effective design and implementation of large, future generation, image databases. ...

Еще в разделе: (Показать все результаты (>1710) - www.adass.org/ )

• ADASS 2003 Conference Proceedings
• Tcl- and [Incr tcl]- Based Applications for Astronomy and the Sciences
• Toolkit Based Extension of the SDSS Control System

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

Еще в разделе: (Показать все результаты (>3) - scan.sai.msu.ru/ )

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

Еще в разделе: (Показать все результаты (>366) - lnfm1.sai.msu.ru/ )

• Data bases of Natural Satellites. Documentation. Sources
• Data base of Natural Satellites. Documentation. Structure
• Data bases of Natural Satellites. Documentation. Manual

... The Australian National University] [Department of Physics] [Paul Francis] [Main Roleplay Page] . These exercises are my attempt to adapt the technique of Problem Based Learning to the context of introductory astronomy and astrophysics classes. ... As students grapple with the puzzle, they are forced to learn the subject matter of the course. ... This exercise is designed for 1st year University students with a reasonable high-school background in Maths and Physics. ...

Еще в разделе: (Показать все результаты (>736) - www.mso.anu.edu.au/ )

• IAU Commission #34 (Interstellar Matter)
• Problem Based Learning in Undergraduate Astronomy
• Role-Playing and Problem-Based Exercises for Teaching Undergraduate Astronomy

... Apache HTTP Server Version 2.2 . ... Allows the setting of environment variables based on characteristics of the request . ... setenvif_module . ... The mod_setenvif module allows you to set internal environment variables according to whether different aspects of the request match regular expressions you specify. ... Environment Variables in Apache . ... The BrowserMatch is a special cases of the SetEnvIf directive that sets environment variables conditional on the User-Agent HTTP request header. ...

Еще в разделе: (Показать все результаты (>8652) - www.arcetri.astro.it/ )

• APOD: October 2, 1999 - Phi Persei: Double Star
• FIRPO
• Arcetri Star-Formation Group Publications

This module provides the ability to set environment variables based upon attributes of the request. ... The mod_setenvif module allows you to set environment variables according to whether different aspects of the request match regular expressions you specify. ... BrowserMatch . ... Syntax: BrowserMatch regex env-variable [= value ] [ env-variable [= value ]] .. ... Module: mod_setenvif . ... The BrowserMatch directive defines environment variables based on the User-Agent HTTP request header field. ...

Еще в разделе: (Показать все результаты (>96) - neptun.sai.msu.ru/ )

• Apache module mod_browser
• Apache IP-based Virtual Host Support
• Apache module mod_access

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

Еще в разделе: (Показать все результаты (>392) - www.astro.louisville.edu/ )

... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

Еще в разделе: (Показать все результаты (>2804) - www.armaghplanet.com/ )

• Most Earth-like exoplanet found by ESO | Astronotes
• stellar nursery | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... The NAIC requests that any publication based on results from Arecibo Observatory contain the following acknowledgement: . ... NAIC budget permitting, for U.S.-based scientists able to show conditions of demonstrable hardship , NAIC can contribute towards publication costs for papers reporting original observations made with the Arecibo telescope. ... List of publications (PDF) . ... July 1, 2008 - June 30, 2009 . ... July 1, 1994 - June 30, 1995 . July 1, 1993 - June 30, 1994 . ...

Еще в разделе: (Показать все результаты (>2353) - www.naic.edu/ )

• Technical Data for the Arecibo Airglow and Optical Instrumentation
• Spectrometer Requirements
• radioastron