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Table · dataset · 2010

GHASP: H{alpha} data cubes for 153 galaxies

Listed in IVOA Registry (Virtual Observatory)

Due to their large distances, high-redshift galaxies are observed at a very low spatial resolution.

Description

In order to disentangle the evolution of galaxy kinematics from low-resolution effects, we have used Fabry-Perot 3D H{alpha} data cubes of 153 nearby isolated galaxies selected from the Gassendi H{alpha} survey of SPirals (GHASP) to simulate data cubes of galaxies at redshift z=1.7 using a pixel size of 0.125" and a 0.5" seeing.

We have derived H{alpha} flux, velocity and velocity dispersion maps.

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Astronomical sciences 71%
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