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Rotation of the Disk of the Large Magellanic Cloud | | David R. Alves
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4 Oct 2000 | | Subject: | astro-ph | | Affiliation: | STScI | | Abstract: | The rotation of the disk of the LMC is derived from the radial velocities of 975 carbon stars. The radial component of the disk’s velocity ellipsoid is sigma_R = 28 +- 14 km/s. The disk rotates with a true maximum circular velocity of 79 km/s after correcting for asymmetric drift. For a typical submaximal disk, the LMC’s dark halo has a mass of 10 billion solar masses inside of 10 kpc. If the LMC microlensing lens population is halo of stars in the LMC, its mass-to-light ratio is greater than 10. | | Source: | arXiv, astro-ph/0010098 | | Services: | Forum | Review | PDF | Favorites | |
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