Matches in SemOpenAlex for { <https://semopenalex.org/work/W2052372018> ?p ?o ?g. }
- W2052372018 abstract "We present the first spectroscopic study of the globular clusters (GCs) in the giant elliptical galaxy (gE) M86 in the Virgo cluster. Using spectra obtained in the Multi-Object Spectroscopy (MOS) mode of the Faint Object Camera and Spectrograph (FOCAS) on the Subaru telescope, we measure the radial velocities for 25 GCs in M86. The mean velocity of the GCs is derived to be vp = -354+81 -79 km/s, which is different from the velocity of the M86 nucleus (vgal = -234pm41 km/s). We estimate the velocity dispersion of the GCs, {sigma}p = 292+32-32 km/s, and find a hint of rotation of the M86 GC system. A comparison of the observed velocity dispersion profiles of the GCs and stars with a prediction based on the stellar mass profile strongly suggests the existence of an extended dark matter halo in M86. We also estimate the metallicities and ages for 16 and 8 GCs, respectively. The metallicities of M86 GCs are in the range -2.0 < [Fe/H] < -0.2 with a mean value of -1.13pm0.47. These GCs show a wide age distribution from 4 to 15 Gyr." @default.
- W2052372018 created "2016-06-24" @default.
- W2052372018 creator A5053527449 @default.
- W2052372018 creator A5057915992 @default.
- W2052372018 creator A5087835392 @default.
- W2052372018 date "2012-09-17" @default.
- W2052372018 modified "2023-09-26" @default.
- W2052372018 title "SUBARU SPECTROSCOPY OF THE GLOBULAR CLUSTERS IN THE VIRGO GIANT ELLIPTICAL GALAXY M86" @default.
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- W2052372018 doi "https://doi.org/10.1088/0004-637x/757/2/184" @default.
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