PPT-RXTE Observations of Cataclysmic Variables and Symbiotic Stars

Koji Mukai NASAGSFCCRESST and UMBC How RXTE matches up with WDs Luminosity up to a few x 10 34 erg s 1 for symbiotic stars a few x 10 33 erg s 1 for typical intermediate polars. KTaylorwarwickacuk Abstract The Sloan Digital Sky Survey has identi64257ed a total of 212 cataclysmic variables most of which are fainter than 18th magnitude This is the deepest and most populous homogeneous sample of cataclysmic variables to date an Koji Mukai. NASA/GSFC/CRESST and UMBC. How RXTE matches up with WDs. Luminosity: up to ~a few x 10. 34. erg s. -1. for symbiotic stars, ~a few x 10. 33. erg s. -1. for typical intermediate . polars. Universal Accretion Laboratories. Rob Hynes (LSU). Christian Knigge. University of Southampton. Outline. Cataclysmic variables. A. primer. CVs as universal accretion disk laboratories. From phenomenology to physics. Berlin/. Zeuthen. ;. . May 2010. Dainis Dravins & . Hannes. Jensen. Lund Observatory, Sweden. www.astro.lu.se. /~dainis. HUNDRED TIMES SHARPER THAN . HUBBLE !. Intensity Interferometry with. 7. th. Grade Science. Objectives of the Symbiotic Relationships Lesson. Students will investigate how organisms or populations interact with one another through symbiotic relationships and how some species have become so adapted to each other that neither could survive without the other. (Ohio Academic Standards LS 7.1). 25 years of Astronomy. Etteyeb Nejmeddine. 21 years old. The Astronomical Society of Tunisia (SAT) . The Charlie Bates Solar Astronomy Project (CBSAP). Computer Science . What Are Variable Stars?. Detecting variability. Sample – only a part of the whole. Based on sample, we’ll make a prediction about the population.. Bad sampling: convenience, bias, voluntary. Good sampling: simple random sample(SRS).. Inferential Stats: making predictions or. Holes.  . Jack Steiner (MIT. ). N. eutron Star . I. nterior . C. omposition . E. xplore. R. X-ray Timing Instrument (XTI). 56 identical cameras . (concentrators Si drift detectors). 0.2-12 . keV. bandwidth. cyg. . A Project by andy parker. Background. Cataclysmic Variable stars are binary star pairs consisting of a white dwarf and red giant star (usually).. The white dwarf star rips away its stair pair’s matter because its gravitational pull is much greater than that of its partner.. Ants and acacia trees. Symbiosis. Ecology Unit. Chapter 2. Take out your journals and copy down the “I Can” statement. for #6 in your Electronic Journals.. Symbiosis. What is symbiosis?. Close. and . Gordon Myers. AAVSO Speakers Bureau. ALCON 2009. Historical Perspective – Mira. David . Fabricius. discovered “omicron . ceti. ” in 1596. Brightened from 3. rd. The study of cataclysmic variables - interacting binary stars containing a white dwarf accreting from an orbiting companion - is undergoing an exciting renaissance, as it embraces observations at all wavelengths. Cataclysmic variables allow, in particular, the direct and detailed study of equilibrium and non-equilibrium accretion discs in turn these developments also help in our understanding of X-ray binaries, black holes and active galactic nuclei. This timely volume provides the first comprehensive survey of cataclysmic variable stars, integrating theory and observation into a single, synthesised text. An introductory chapter gives the historical background of studies of cataclysmic variables. The author then goes on to give an up-to-date review of both the observations (at all wavelengths, and over all time-scales), the theories, the models of the structures and accretion processes believed to be involved. A very detailed bibliography is also provided to guide the reader to pertinent primary literature. Remora. Symbiosis. derives from the Greek words. . for “. living. ” & “. together. ”.. Symbiosis. is the close interactions or relationship between two organisms of . differing species. Rick Rothschild on behalf of the MAGNET collaboration. RXTE has doubled the number of known cyclotron lines sources. RXTE has observed multiple line sources in outburst. RXTE has provided multiple visits to both persistent and transient sources to allow.