3 papers
astro-ph.GA2026
Galaxy Spiral Arm Count vs. Concentration and Mass: A First Look with Euclid
Beverly J. Smith, Sydnie Bergner, Mark L. Giroux +1
Using catalogued information from Euclid Quick Data Release 1, we compare 2-armed and 3-armed spiral galaxies as classified by the Euclid Zoobot software. Two-armed galaxies have l…
astro-ph.GA2026
Scattering, Migration, Re-circularization and Relaxation to Build Out Galaxy Disks with Exponential Profiles
Curtis Struck, Bruce G. Elmegreen, Elena DOnghia
Scattering of stars by interstellar clouds or massive clumps increases the stellar velocity dispersion and promotes a radial disk profile that is exponential. Here we show that suc…
astro-ph.GA2025
The Complex Multi-Wavelength Morphology of the Peculiar Compact Galaxy Group IC 2431
Beverly J. Smith, Roberto Soria, Douglas Swartz +3
We present new Chandra X-ray imaging spectroscopy of the compact galaxy group IC 2431, and compare with archival ultraviolet, optical, infrared, and radio images. IC 2431 is a star…