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The unusual vertical mass distribution of NGC 4013 seen through the Spitzer Survey of Stellar Structure in Galaxies (S4G)
Spitzer Survey Stellar Structure Galaxies (S4G)
2011/9/27
NGC 4013 is a nearby Sb edge-on galaxy known for its "prodigious" HI warp and its "giant" tidal stream. Previous work on this unusual object shows that it cannot be fitted satisfactorily by a canonica...
Stellar Structure and Tests of Modified Gravity
Stellar Structure Tests of Modified Gravity
2010/12/27
Theories that attempt to explain cosmic acceleration by modifying gravity typically introduces a long-range scalar force that needs to be screened on small scales. One common screening mechanism is t...
Stellar Structure and Tests of Modified Gravity
Stellar Structure Tests of Modified Gravity
2010/12/21
Theories that attempt to explain cosmic acceleration by modifying gravity typically introduces a long-range scalar force that needs to be screened on small scales. One common screening mechanism is th...
The Spitzer Survey of Stellar Structure in Galaxies (S^4G)
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/27
The Spitzer Survey of Stellar Structure in Galaxies S^4G is an Exploration Science Legacy Program approved for the Spitzer post-cryogenic mission.