... Using the spectra was taken with 4m telescope of the Kitt-Peak observatory (USA), on the basis of a new method of stellar population determination, which combines advantages of both evolutionary and population syntheses, a study of the stellar population and evolutionary characteristics - metallicity, age and mass function was carried out for the Blue Compact Galaxy (BCG) SBS~1331+493 with low heavy element abundance, undergoing the burst of star formation. ... Arrows show the regions. ...

DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

... Posts tagged ?massive data? ... Tags: bimodality , chi-square minimization , Classification , CMD , Estimation , machine learning , massive data , model based , PCA , spectral analysis , spectroscopic , survey , VO . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...

... 1915QB4_C22v12p1___ Informations. relative to: J1-Io: 201, J2-Europe: 134, J3-Ganymede: 85 reference frame: astrometric centre of frame: topocentre epoch of equinox: date time scale: GMT (UT1=GMT+12h) reduction: no information coordinates: apparent distance, position angle diff. refraction: removed receptor: heliometer telescope: Refractor, F = 2.5 m, D = 17.8 cm observers: Gill David, Finlay W.H. data included in standard data file: no Comments. no information Format. ... Year of the observation 4....

. The osculating elements of all perturbing planets and their inverse masses used in DE 405 are given in the Table on p. 5733. They can be applied in continued numerical integration. For Ceres, Pallas, and Vesta the osculating elements correspond to those in the Table on p. 824. On the same page values of some constants used when preparing ephemeris volume are given. Also Julian Day Number for some dates in 2014 – 2016 are given there.

... Maryeva O.V., Abolmasov P.K. ?Modeling the optical spectrum of Romano's star?, ... Maryeva O.V., Abolmasov P.K. ?Modeling the optical spectrum of Romano's star in Minimum Brigtness?, vol.23 pp.79-83, Odessa Astronomical Publications, (2010) . ... Maryeva Olga ``Spectropolarimetry and modeling of WR156'', Proceedings of the International Astronomical Union, IAU Symposium ``New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry'', 307, 387-388, (2015) . ...

... Minute Values of Geomagnetic Field Components . ... AA 1868 - Present (3 hourly and daily) (monthly) (yearly) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) KP_AP 1932 - Present (3 hourly and daily) (Lists and histograms of geomagnetic disturbance and Solar Sunspots) AE_HV 1957-75, 78-88 (hourly) AE_MIN 1978-881-6;198903;1990-94 (minute) DST 1957 - Present (hourly) PC 1975 - Present (15-minute) AMANAS 1959 - Present (3 hourly and daily) KMKNKS 1983 - Present (3 hourly) . ...

. A new study suggests the massive star that became the Cassiopeia A supernova remnant may have turned inside out as it exploded. Comparing a "before" artist's illustration with an "after" image from Chandra shows key elements are in different areas following the explosion. These results are based on a million seconds of Chandra observing time. Credit: Illustration: NASA/CXC/M.Weiss; X-ray: NASA/CXC/GSFC/U.Hwang J.Laming

... arfgen (arfgen-1.75.6) [?? ... arfgen simply constructs the appropriate quantities from the CAL, in the form of vectors of discrete energy-dependent elements, and combines these data multiplicatively to form the ancilliary response. ... This is already taken into account by the CAL in the call to CAL_effectiveArea. The user can enable or disable the effective area, filter transmission, QE or grating attenuation by setting the relevant parameter (eg modeleffarea ) to true or false respectively. ...

... It can · · obtain ice sample from 20 cm or deeper surface layer, then melt it and extract biomass from the ice surface water by filtration; Laser TOF MS for the measurements of element composition of the biomass; Gas TOF MS for the detection of: 1) volatile components, generated at the heating of biomass sample (closed window mode); 2) secondary ions , emitted from ice matrix by the influence of energetic magnetosphere ... Spectrum of yeast sample. ... Laser TOF MS 6. ...

This diagram illustrates the effects of absolutely positioning a box ("inner") with respect to a containing block established by a relatively positioned ancestor ("outer"). ... The "inner" box has been positioned relative to the top and left edges of the "outer" element's first inline box. ... The reference edges for positioning the "inner" box are indicated in the diagram by thick dashed lines. ... 1 Beginning of body contents.| ... 4 [(+200, -100)] 5 Inner 6 contents. ... Inner contents" is blue. ...

Neptune is the coldness kingdom. ... Mass . ... The period of rotation . ... The average distance from the Sun . ... Excentricity of the orbit . ... Neptune is the eighth from the Sun great planet. ... From all the elements in Neptune the main are hydrogen and helium in such ratio(approximately) as in the Sun in one helium atom falls 20 atoms of hydrogen. ... According to the theoretical data there is a cloak and a core in Neptune. The core mass may by 90% of the entire planet’s mass. ...

... The <EM> element provides typographic emphasis, typically italics. ... CITE . The <CITE> element specifies a citation. Sections tagged with the CITE element are typically rendered in italics. ... The <CODE> element indicates an example of code; typically rendered in a mono-spaced font. ... The <KBD> element indicates text typed (keyboarded) by the user. ... The <VAR> element indicates a variable name, and might typically be used in an instruction manual. ... New in 3.0 . ...

... Astrophysics Group . ... MRAO Telescopes . RYLE . ... The Ryle Telescope, formerly known as the 5-km Telescope, was originally designed as an 8-element E-W interferometer with the objective of mapping individual radio sources with an angular resolution as good as that of large optical telescopes when it was built in 1971. ... The Ryle Telescope in a compact configuration. (б© Mullard Radio Astronomy Observatory, 1995.) ... For information on other MRAO telescopes, follow the links on the left. ...

Bigbang Forum Message . Forums: . ... Post . ... Mass Is Negative Space . ... Post Message | ... In negative space you have the converse: the gravity/mass indicative axis points inward and is the acceleration axis, and the charge characteristics are the curved momentum axes. ... 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" . ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Irvin M. Winer . ... Science . ... Tom Kaye, an amateur astronomer from the Chicago, Illinois area, installed his Tau Boo campaign equipment at our facility in mid-February, 2000. ... The custom unit fed the starlight to an optical fiber that transmits the light to a bench spectrograph located in the Winer machine shop. ... The daily results from mid-February, 2000 to early March, 2000 are shown on the left. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Planets . ... This bizarrely shrunken planetary system was found by NASAтАЩs Kepler mission, hence the parent star has been named Kepler-11. ... Planetary scientist and Kepler science team member Jack Lissauer said ?These six planets are mixtures of rock and gases, possibly including water.тАЭ €аNone of these strange new worlds are likely to be home to any form of life; their surface conditions are simply too extreme. ...

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . ... d) The Age of the Chemical Elements . ... Some isotopes (forms of the element with different numbers of neutrons in the nucleus) of these elements are radioactive; they change into other isotopes at a rate that can be measured accurately in the laboratory. ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

... For SIMS (Secondary Ion Mass Spectrometry) analysis, a solid surface is bombarded by primary ions of some keV energy. ... The subsequent mass analysis of the emitted ions provides detailed information on the elemental and molecular composition of the surface. ... Extremely short ion pulses with a duration below . ... By rastering a fine-focussed ion beam over the surface, like an electron beam in an electron microprobe, mass resolved secondary ion images (chemical maps) can be obtained...