Results 101 to 110 of about 1,342 (185)

Euclid Quick Data Release (Q1)

open access: yesAstronomy & Astrophysics
We present a detailed visual morphology catalogue for the Euclid Quick Release 1 (Q1). Our catalogue includes galaxy features such as bars, spiral arms, and ongoing mergers, for the 378 000 bright (IE 
Walmsley M.   +354 more
doaj   +1 more source

Fine-grained Morphological Study of Galaxy Pairs: A Human-in-the-loop Self-supervised Classification Framework

open access: yesThe Astronomical Journal
Galaxy pairs, as key probes for studying galaxy formation and evolution, provide a unique window for observing galaxy interactions, including the associated exchange of material and related galaxy formation activities.
Yating Li   +4 more
doaj   +1 more source

Radio Jet Feedback on the Inner Disk of Virgo Spiral Galaxy Messier 58

open access: yesThe Astrophysical Journal
Spitzer spectral maps reveal a disk of highly luminous, warm (>150 K) H _2 in the center of the massive spiral galaxy Messier 58, which hosts a radio-loud active galactic nucleus (AGN). The inner 2.6 kpc of the galaxy appears to be overrun by shocks from
Patrick M. Ogle   +11 more
doaj   +1 more source

Investigating the Complex Ring Morphology in UGC 10168: A Photometric and Structural Analysis of a (R1R2′)SABa(r′l)a Galaxy

open access: yesIraqi Journal of Physics
This study provides a comprehensive photometric and structural analysis of the galaxy UGC 10168, which is classified as (R₁R₂′)SABa(r′l)a in the Comprehensive de Vaucouleurs Revised Hubble-Sandage (CVRHS) system.
Zeinab F. Hussein, Abdullah K. Ahmed
doaj   +1 more source

Spiral galaxies

open access: yes, 1995
This thesis deals with surface photometry of face-on spiral galaxies in a statistical way, using both single passband as well as color information of a large sample of galaxies. In this chapter I first discuss galaxy formation and evolution models and the role that photometry plays in testing these models.
openaire   +1 more source

Can the Dynamo of Spiral-arm Galaxies Be Explained by Anisotropic Conductivity?

open access: yesThe Astrophysical Journal
The possibility of generating a magnetic field by a dynamo effect with anisotropic electrical conductivity rather than turbulent flow has been demonstrated theoretically and experimentally.
Paul Gomez   +2 more
doaj   +1 more source

The Redshift of GRB 190829A/SN 2019oyw: A Case Study of GRB-SN Evolution

open access: yesThe Astrophysical Journal
The nearby long gamma-ray burst (GRB) 190829A was observed using the Hubble Space Telescope/Wide Field Camera 3/infrared grisms about four weeks to 500 days after the burst.
Kornpob Bhirombhakdi   +9 more
doaj   +1 more source

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