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Red giant eclipsing binaries
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Title: Detached Red Giant Eclipsing Binary Twins: Rosetta Stones to the Galactic Bulge Authors: David M. Nataf, Andrew Gould, Marc H. Pinsonneault We identify 34 highly-probable detached, red giant eclipsing binary pairs among 315 candidates in Devor's catalogue of ~10,000 OGLE-II eclipsing...
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HD 196885
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Title: Dynamical analysis and constraints for the HD 196885 system Authors: C. A. Giuppone, M. H. M. Morais, G. Boué, A. C. M. Correia The HD196885 system is composed of a binary star and a planet orbiting the primary. The orbit of the binary is fully constrained by astrometry, but for the planet the in...
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IRAS 20343+4129
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Title: Dense gas in IRAS 20343+4129: an ultracompact HII region caught in the act of creating a cavity Authors: F. Fontani, Aina Palau, G. Busquet, A. Isella, R. Estalella, A. Sanchez-Monge, P. Caselli, Q. Zhang The intermediate- to high-mass star-forming region IRAS 20343+4129 is an excellent l...
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Bok globule CB17
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Title: SMA and Spitzer Observations of Bok Glouble CB17: A Candidate First Hydrostatic Core? Authors: Xuepeng Chen (1), Hector G. Arce (1), Michael M. Dunham (1), Qizhou Zhang (2), Tyler L. Bourke (2), Ralf Launhardt (3), Markus Schmalzl (3), Thomas Henning (3) ((1) Yale Astronomy Department, (2...
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Cepheus OB3b
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Title: Spitzer Imaging of the Nearby Rich Young Cluster, Cep OB3b Authors: Thomas S. Allen, Robert A. Gutermuth, Erin Kryukova, S. Thomas Megeath, Judith L. Pipher, Tim Naylor, R. D. Jeffries, Scott J. Wolk, Brad Spitzbart, James Muzzerolle We map the full extent of a rich massive young cluster in t...
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FO Persei
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FO Persei is in outburst. Date: 2008 10 19 Magnitude: 11.8 - 16 V Period: 11.02 days Satellite period: ? ype: UG Position(2000): RA=04 08 34.99, Dec=+51°14'48.3" Read more
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RZ 2109
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Title: Broad [OIII] in the globular cluster RZ 2109: X-ray ionized nova ejecta? Authors: E. Ripamonti (1), M. Mapelli (2) ((1) Universita' di Milano-Bicocca, (2) INAF-Osservatorio Astronomico di Padova) We study the possibility that the very broad (~1500 km/s) and luminous (L_5007 ~ 1.4e37 erg...
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RX J0720.4-3125
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Using data from ESA's XMM-Newton X-ray observatory, an international group of astrophysicists discovered that one spinning neutron star doesn’t appear to be the stable rotator scientists would expect. These X-ray observations promise to give new insights into the thermal evolution and final...
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Kes 17 (G304.6 +0.1)
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Title: Discovery of gamma-ray emission from the supernova remnant Kes 17 with Fermi Large Area Telescope Authors: J. H. K. Wu (1), E. M. H. Wu (1), C. Y. Hui (2), P. H. T. Tam (3), R. H. H. Huang (3), A. K. H. Kong (3), K. S. Cheng (1) ((1) The University of Hong Kong, (2) Chungnam National University, (3) Nat...
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QSO 0347-383
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Title: QSO 0347-383 and the invariance of m_p/m_e in the course of cosmic time Authors: Martin Wendt, Paolo Molaro The variation of the dimensionless fundamental physical constant mu = m_p/m_e (the proton to electron mass ratio) can be constrained via observation of Lyman and Werner lines of mole...
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Bipolar planetary nebulae
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Title: Morpho-kinematic analysis of the point-symmetric, bipolar planetary nebulae Hb 5 and K 3-17, a pathway to poly-polarity Authors: J. A. López, Ma. T. García-Díaz, W. Steffen, H. Riesgo, M. G. Richer The kinematics of the bipolar planetary nebulae Hb~5 and K 3-17 are investigated in detail b...
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NGC 1333-IRAS 4B
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NASA's Spitzer Space Telescope has detected enough water vapour to fill the oceans on Earth five times inside the collapsing nest of a forming star system. Astronomers say the water vapour is pouring down from the system's natal cloud and smacking into a dusty disk where planets are thought to form...
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W49N
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Title: OH Maser sources in W49N: probing differential anisotropic scattering with Zeeman pairs Authors: Avinash A. Deshpande, W. M. Goss, J. E. Mendoza-Torres Our analysis of a VLBA 12-hour synthesis observations of the OH masers in W49N has provided detailed high angular-resolution images of...
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SY Cancri
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Title: SY Cancri, a case for unstable mass transfer? Authors: J. Casares, I. G. Martinez-Pais, P. Rodriguez-Gil Intermediate resolution (0.5-1 Angs) optical spectroscopy of the cataclysmic variable SY Cnc reveals the spectrum of the donor star. Our data enable us to resolve the orbital motion o...
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Extrasolar Asteroids
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Title: Two Extrasolar Asteroids with Low Volatile-Element Mass Fractions Authors: M. Jura (1), S. Xu (1), B. Klein (1), D. Koester (2), B. Zuckerman (1), ((1) UCLA, (2) University of Kiel) Using ultraviolet spectra obtained with the Cosmic Origins Spectrograph on the Hubble Space Telescope, we e...
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