... Tonight's Sky . ... Observing . ... Star Atlas . ... stars . ... Astronomy for Kids . ... The star that should not exist . A team found that the proportion of metals in the star is more than 20,000 times smaller than that of the Sun. ... This ancient star, in the constellation Leo, is called SDSS J102915+172927 and has been found to have the lowest amount of elements heavier than helium of all stars yet studied. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

User catalogs allow you enter positions for your objects into a file, to save time during an observing run. ... Before diving into the details, here is an example: # default coordinate system and object # (these are the standard defaults, so if you like them you can omit this line) CSys=FK5; Date =2000; RotType= Object ; RotAng=0 # some random objects # Name Pos1 (e.g. RA) Pos2 (e.g. Dec) Options in keyword-value format NGC6543 rot 90 ... Object Data . Defaults . Catalog Options . ...

home education > resources . SEARCH ASP SITE: Match ALL words Match ANY word . ... Activities . ... This new web site will feature listings and reviews of sites and on-line materials for astronomy instructors, including applets, labs, image banks, curricula, etc. ... JPL, in cooperation with the University of Arizona CAPER Team, has begun a web site to serve as an on-line center for community college instructors and others who teach introductory astronomy, with teaching tips and discussion groups. ...

... G. J. Ferland, K. T. Korista, and D. A. Verner . ... The development of Cloudy is a three-pronged effort requiring advances in the underlying atomic data base, the numerical and computational methods used in the simulation, culminating in the application to astronomical problems. ... Finally, rescaled OP oscillator strengths were used to compile a complete set of data for 5971 resonance lines (Verner, Verner, & Ferland 1996). ... Verner, D. A., Verner, E. M., & Ferland, G. J. 1996, Atomic Data Nucl....

... Keck spectropolarimetry, giving spectral coverage from Ly- to beyond CIII], and HST imaging of a sample of powerful radio galaxies with has been obtained. ... This is a short progress report on a rather extensive programme we are carrying out to study the structure and composition of high redshift radio galaxies (HzRG) -- and, by implication, the host galaxies of radio quasars -- using observations in the optical, IR and mm bands. ... An example of the NICMOS and WFPC 2 imaging is shown in Figure 2 ...

Сообщение о проведении годового общего собрания акционеров Публичное акционерное общество «Красногорский завод им. С.А. Зверева» (далее по тексту - ПАО КМЗ, Общество), место нахождения: 143403, Московская область, г. Красногорск, ул. Речная, д. 8 настоящим сообщает о проведении годового общего собрания акционеров Общества по итогам 2015 года в форме собрания. Форма проведения годового общего собрания акционеров: собрание (совместное присутствие). ... Утверждение годового отчета Общества. ...

... The contribution of backgrounds in signal box is estimated using sideband region. data , Blinded Events / ( 0.025 ) 25 Events / ( 0.0275 ) P M data 30 P E data 25 P f f qq data = QE D 20 20 QE D ЗP + 15 15 10 З (1 - f QE D ) З Pq q + 10 5 5 (1 - fQE D - fqq З (1 - fQE D )) З P E 0 - 0.6 -0.5 - 0.4 -0.3 - 0.2 -0.1 -0 0.1 0.2 0.3 0.4 x: delta M 0 - 0.6 - 0.4 - 0.2 0 M 0.2 0.4 y: delta E E data , Blinded ... LF V tau decay s Olga Igonkina DPF 2004 12 ...

Astronomy Discussion Forums . Forums: . ... FURTHER EXPLANATION [NWOBU'S EFFECT] . ... Post Message | ... In the absence of an optical effect [Nwobu’s effect], every observer's clock will agree with one another, that is, every observer will obtain an absolute time. ... 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" . ...

Разработка, исследование и изготовление мощных полупроводниковых лазеров, излучающих в диапазоне длин волн 800 - 1800 нм. ... 30-летний опыт работы по разработке и изготовлению полупроводниковых лазеров . ... Диапазон длин волн - 800 - 1800 нм . ... Ознакомление с физическими и технологическими принципами работы мощных импульсных полупроводниковых лазеров с интегрированным тиристорным переключателем . ... Мощные импульсные полупроводниковые лазеры - физические основы и практическое применение . ...