... A Chemically Decoupled Nucleus and Inner Polar Ring of the SBb Galaxy NGC 4548 O. K. Sil'chenko* Sternberg Astronomical Institute, Universitetskii pr. ... This nucleus, a probable circumnuclear disk coplanar with the global galactic disk, is embedded in the bulge whose stars are generally also young, T 4 Gyr, although they are a factor of 2.5 more metalpoor. ... O. K. Sil'chenko, Pis'ma Astron. ... It remains to assume that the gas at the center of NGC 4548 rotates in an inclined plane. ...
The Official Publication of the Amateur Astronomers Association of Princeton Director Ludy D'Angelo 609-882-9336 ludy@princetonastronomy.org Assistant Director Jeff Bernardis ... .com Editor Michael Wright (609) 371-5668 editors@princetonastronomy.org Also online at princetonastronomy.wordpress.com Volume 40 April 2011 Number 4 From the Director What does it mean to do astronomy ... It takes time. ... This second installment covers the telescope itself and its maker, Henry Fitz. ...
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Ссылки http://www.princetonastronomy.org/newsletters/04_2011sidereal.pdf -- 975.2 Кб -- 08.04.2011 Похожие документы
Journal of the Amateur Astrono mers Association of New York September 2010 Volume 58 Number 9, ISSN 0146-7662 EYEPIECE around other stars and transported to our solar system. ... Astronomers found several stars with surface temperatures mor e than 71,500 degr ees, mor e than seven times hotter than the Sun. ... Astronomers have found a disk of dust around a huge, massive star in its early stages of growth, indicating that stars big and small for m by the same mechanism. ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2010_09_September_Eyepiece.pdf -- 712.2 Кб -- 22.02.2015 Похожие документы