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154 papers · 1 filter
HI observations of luminous infrared galaxy mergers
W. van Driel, Y. Gao, D. Monnier-Ragaigne
A total of 19 luminous infrared galaxy mergers, with L_IR~2 10^11 L_sun for H_0=75 km/s/Mpc, have been observed in the HI line at Nancay and four of them were observed at Arecibo a…
Low-mass quark stars as Maclaurin spheroids
P. Amsterdamski, T. Bulik, D. Gondek-Rosinska +1
We show that in the limit of low masses (M<0.1M solar), the orbital and rotational frequencies in exact relativistic numerical models of rotating, axially symmetric, quark stars co…
Dynamics of embedded bars and the connection with AGN. I. ISAAC/VLT stellar kinematics
E. Emsellem, D. Greusard, F. Combes +4
We present new stellar kinematical profiles of four galaxy hosts of active galactic nuclei, using the CO bandhead around 2.3 micron with the ISAAC/VLT spectrograph. We find that th…
The O-Na and Mg-Al Anticorrelations in Turn-Off and early Subgiants in Globular Clusters
R. G. Gratton, P. Bonifacio, A. Bragaglia +16
High dispersion spectra (R>40,000) for a quite large number of stars at the main sequence turn-off and at the base of the subgiant branch in NGC6397 and NGC6752 were obtained with…
Third post-Newtonian dynamics of compact binaries: Noetherian conserved quantities and equivalence between the harmonic-coordinate and ADM-Hamiltonian formalisms
Vanessa de Andrade, Luc Blanchet, Guillaume Faye
A Lagrangian from which derive the third post-Newtonian (3PN) equations of motion of compact binaries (neglecting the radiation reaction damping) is obtained. The 3PN equations of…
Molecular Carbon Chains and Rings in TMC-1
David Fosse, Jose Cernicharo, Maryvonne Gerin +1
We present mapping results in several rotational transitions of HC3N, C6H, both cyclic and linear C3H2 and C3H, towards the cyanopolyyne peak of the filamentary dense cloud TMC-1 u…