Results 151 to 160 of about 2,921 (169)
Offset of M54 from the Sagittarius dwarf spheroidal galaxy [PDF]
Monthly Notices of the Royal Astronomical SocietyWe present results from simultaneous modeling of 2D (projected along the line of sight) position, proper motion and line-of-sight velocity for \textit{Gaia}- and APOGEE-observed stars near the centre of the Sagittarius (Sgr) dwarf spheroidal galaxy.
Andrew B Pace +2 more
exaly +2 more sources
M54 + SAGITTARIUS = ω CENTAURI
Astrophysical Journal Letters, 2010 We derive homogeneous abundances of Fe, O, Na, and α-elements from high-resolution FLAMES spectra for 76 red giant stars in NGC 6715 (M54) and for 25 red giants in the surrounding nucleus of the Sagittarius (Sgr) dwarf galaxy.
Francesco Leone +2 more
exaly +2 more sources
THE NUCLEUS OF THE SAGITTARIUS DSPH GALAXY AND M54: A WINDOW ON THE PROCESS OF GALAXY NUCLEATION [PDF]
Astronomical Journal, 2008 We present the results of a thorough study of the nucleus of the Sgr dwarf spheroidal galaxy (Sgr dSph) and of the bright globular cluster M54 (NGC 6715) that resides within the same nucleus (Sgr,N).
Michele Bellazzini +2 more
exaly +2 more sources
THE CANDIDATE INTERMEDIATE-MASS BLACK HOLE IN THE GLOBULAR CLUSTER M54 [PDF]
Astronomical Journal, 2011 Ibata et al. reported evidence for density and kinematic cusps in the Galactic globular cluster M54, possibly due to the presence of a 9400 M-circle dot black hole. Radiative signatures of accretion onto M54's candidate intermediate-mass black hole (
J. E. Greene +5 more
exaly +2 more sources
The ACS Survey of Galactic Globular Clusters: M54 and Young Populations in the Sagittarius Dwarf Spheroidal Galaxy [PDF]
Astrophysical Journal, 2007 As part of the ACS Survey of Galactic Globular Clusters, we present new Hubble Space Telescope photometry of the massive globular cluster M54 (NGC 6715) and the superposed core of the tidally disrupted Sagittarius (Sgr) dSph galaxy.
David Nidever +2 more
exaly +2 more sources
The cosmological lithium problem outside the Galaxy: the Sagittarius globular cluster M54★ [PDF]
Monthly Notices of the Royal Astronomical Society, 2014 The cosmological Li problem is the observed discrepancy between Li abundance (A(Li)) measured in Galactic dwarf, old and metal-poor stars (traditionally assumed to be equal to the initial value A(Li)0), and that predicted by standard big bang ...
Alessio Mucciarelli +2 more
exaly +2 more sources
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