... Bojan Nikolic web pages (r. 329) . A gallery of interacting galaxies . ... The history of star formation and mass assembly in early-type galaxies . ... Abstract . ... Complete plots of radiospec analysis . Analysis of (radio) spectra . ... Nested Sampling in R & analysis of spectra . ... Paper II: Spinning dust in galaxies . ... The search results are restrict to these pages only . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

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• Paper II: Spinning dust in galaxies Bojan Nikolic web pages (r. 329)
• The history of star formation and mass assembly in early-type galaxies Bojan
• Paper I: Method Bojan Nikolic web pages (r. 329)

... Keywords: globular clusters,M3,photometry,HST . ... Perform the most accurate test of the ``stellar clock'' used in dating globular clusters. ... These data will provide the first complete sample of post-main sequence stars over the entire area of the cluster, and will allow the most stringent tests of stellar evolution and dynamics models. ... M3 contains the largest population of Blue Straggler Stars (BSS) detected in a globular cluster so far ( ). ...

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• Absorption line spectra of the UV bright z=2.4 QSO HE 1122-1649
• Supersonic Motions in the Upper Atmosphere of Jupiter Detected at Ly- with GHRS
• Spitzer Sage Survey of the Large Magellanic Cloud. III. Star Formation and

... These sources are known from a previous study to be associated with dense gas and dust, and not associated with HII regions. All 11 sources were detected in HCO+, 9 in mm-continuum and 5 (out of 8 observed) in cm-continuum. The derived physical parameters confirm the high mass nature of these molecular clumps and suggest they are gravitationally bound. Molecular outflows were detected toward 6 sources, with flow masses and momenta much higher than in low-mass Young Stellar Objects (YSOs). ...

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• ISOGAL YSO Candidates (Abstract)
• CQTau disks (Abstract)
• S155 (Abstract)

Next: EXTREME HELIUM STARS . EXTREME HELIUM STARS C.S. JEFFERY . ... Their exotic surface abundances point to previous evolution through the white dwarf sequence, followed by re-ignition due to a late helium shell flash or to a binary merger. ... I review the basic observational and theoretical properties of extreme helium star pulsations and show how these have been used to constrain evolutionary models, with particular reference to the cases of V652 Her and BX Cir. EXTREME HELIUM STARS . ...

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• Bright Point Studies
• M.D. Smith, Research Astronomer
• Abstract

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The first claim that HI could be associated with a dSph-like system was for the dIrr/dSph system Phoenix (Carignan, Demers & CУДtУ? ...

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• On the absence of molecular absorption in high redshift millimetre-band...
• ATNF Daily Astronomy Picture
• The Brightest Galaxies from HIPASS

... We present preliminary results from two programs to image the host galaxies of radio-quiet quasars in 1.6 micron light using NICMOS camera 2 on HST. The high redshift program consists of QSOs covering the redshift range 0.8 < z < 4.4 and a range of QSO luminosities. Of the six objects for which data have been obtained the results range from no host galaxy detected, to an obvious galaxy with an interacting companion, to a possible high redshift galaxy cluster. ...

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• The Evolution of Stars seen with ISOCAM - the Need for NICMOS and VLT Follow...
• Unusual Emission near a Compact Source in Orion
• The Formation and Evolution of LMC Rich Star Clusters: NGC 1818

. Update is coming soon.

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... The observed isotropy on the sky and non-uniform spatial distribution of gamma-ray bursts   (GRB) revealed by the BATSE   device onboard the Compton Gamma-Ray Observatory (e.g. Meegan et al. , 1992)[ 138 ] lend support to the idea of a cosmological origin of GRB (Prilutski and Usov, 1975;[ 165 ] Usov and Chibisov, 1975)[ 199 ] for which the best candidates could be merging binary NS+NS   or NS+BH   at high redshifts (z 1 -2), (Blinnikov et al. ... Calculation of Binary Neutron Star Coalescence Rates...

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• X-ray Luminosity Evolution
• Parameters of binary compact star evolution
• Contents

PhD Thesis (PDF) . ... The evolution of stars and gas in galaxies. Observing the atomic neutral hydrogen (HI) 21 cm emission and radio continuum emission of galaxies. ... The goal of research is to quantify the neutral atomic hydrogen (HI) gas content galaxies as they evolve with time. ... Neutral atomic hydrogen gas produces a radio signal that can be used to directly measure the amount of gas present. ... USyd Summer Research Scholarship Report (PDF) . ... Research Topic Write Up (PDF) . ...

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• Marc White - Astrophysicist - The Australian National University
• Dopita Papers
• Siding Spring Survey

... Up: Surveys & Large Scale Data Management . ... The CoCat (Co-processor Catalogue) project main goal is to parallelize the VizieR large catalogue treatments (data extraction, cross-matching) for reducing the response time. ... Figure 2: The CoCat cluster. As the Sun server is becoming overloaded we decided to move the set of large catalogues to a Linux cluster (the CoCat cluster). ... The CoCat cluster involves one master node and five slave nodes (Fig 2 ). ...

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• ADASS 2002 Conference Proceedings
• The ASC Pipeline: Concept to Prototype
• The Evolution of the HST Archive

... AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) · Detected 5 galaxies in the group KDG 010 dw0137+1540 UGC 1171 AGES Precursor ...

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• http://www.naic.edu/vscience/schedule/tpfiles/OlmitagA2760tp.pdf
• The SMUDGES Survey
• astronomers detect coolest star

... We show the analysis of low-hard and intermediate states of sources XTE J1550-564, H 1743-322, GX 339-4, XTE J1859-226, XTE J1650-500 and GRS 1915+105. ... Directly applying the scaling technique we also obtain that a ratio of the BH masses in XTE J1859-226 and in XTE J1550-564 is , and the corresponding ratio for XTE J1650-500 and XTE J1550-564 is . These values of scaling factors r implies that BH masses are ; solar masses in XTE J1859-226 and XTE J1650-500 respectively. ...

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• Second Spectrum-RG/eROSITA Conference
• Zeldovich-100 / International Conference / Moscow, Russia

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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... The earliest X--ray observations were carried out in the mid--1970s. X--ray luminosities of order L erg/sec were detected in the 2-11 keV range in the direction of the Orion star forming region. ... These observations showed that the O and B stars were the brightest X--ray sources, and that TTs were also associated with emission. Feigelson and Kriss (1981) showed that some of the X--ray sources were associated with PMS stars which had not been previously detected which H surveys. ...

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• Conclusions
• X--ray Quiet PMS Candidates
• T Tauri Stars, Naked and Otherwise

... A new bright LBV (Luminous Blue Variable) star was detected in M33 galaxy. LBV stars are the most massive stars in the final stages of evolution before exploding in of supernovae. ... The new LBV star (Fig.1) is the seventh in M33. ... It is one of the brightest LBV stars of the M33 galaxy. ... The brightest object is the core of the galaxy, - a compact star cluster comprising a supermassive black hole. The new LBV star N93351 is located down and to the left from the core. ...

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• Galaxy sector, archive 2012

Next: Optical spectrum of IRAS04296 Up: The peculiar post-AGB supergiant Previous: The peculiar post-AGB supergiant . This paper is a continuation of our series of papers on the investigation of stars which are believed to be in the post-Asymptotic Giant Branch (post-AGB) stage of evolution (Klochkova 1995; Zacs et al. ... Next: Optical spectrum of IRAS04296 Up: The peculiar post-AGB supergiant Previous: The peculiar post-AGB supergiant Klochkova V.G. 12/20/1999 ...

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• AGB and Post-AGB Evolution: Structural and Chemical Changes
• Conclusions

. Tasting Notes . Plots courtesy of the author, Michael Chabin . << previous page | 1 | 2 | 3 | 4 | 5 | . back to Teachers' Newsletter Main Page

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• ASP: Cosmology: The Origin, Evolution & Ultimate Fate of the Universe
• ASP: An Ancient Universe - Changes in Stars

... The distributions of orbits eccenttricities and of angular momenta for the halo stars and the old disk population are considered. The distributions have gaps separating the halo from the disk and dividing the halo population into three groups. ... Рассмотрены распределения звезд гало и старого населения диска по величине эксцентриситета орбит и угового момента. Распределения имеют провалы, отделяющие гало от диска и делящие населения гало на три группы. ...

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Next: Conclusions Up: The Hamburg/SAO Survey for Previous: Non-classified objects . ... Since the main goal of the HSS is an efficient search for new BCGs, the fraction of this type among all new detected ELGs - 84 %, or 80 % among all emission-line objects, is very encouraging. ... Thus a large fraction of BCGs relative to all ELGs is found ( 78 %) demonstrating the high efficiency of this survey to find on the Hamburg Quasar Survey photoplates namely galaxies with H II -type spectra. ...

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• Radio survey for new compact HII regions
• Upper Limits for Sources not Detected
• Summary and conclusions

... Triton: Neptunes Largest Moon . ... So, looking toward the Sun, extreme ultraviolet cameras onboard STEREO B were able to record a stunning movie of a lunar transit (aka solar eclipse), as the Moon tracked across the solar disk. ... Stars, Dust and Nebula in NGC 2170 . ... Visible above are red glowing emission nebulas of hydrogen, blue reflection nebulas of dust, dark absorption nebulas of dust, and the stars that formed from them. ... APOD: 2007 February 24- X rays and the Eagle Nebula . ...

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