# An Ultra diffuse Galaxy in the NGC 5846 group from the VEGAS survey

## TL;DR

This paper reports the discovery of an ultra diffuse galaxy in the NGC 5846 group using deep imaging from the VEGAS survey, providing insights into its properties and potential globular cluster system.

## Contribution

First identification of a UDG in the NGC 5846 group from VEGAS survey data, including analysis of its properties and globular cluster system.

## Key findings

- Discovered NGC 5846_UDG1 with M_g = -14.2
- Detected a system of likely globular clusters
- Estimated halo mass > 8×10^10 M_sun

## Abstract

Many ultra diffuse galaxies (UDGs) have now been identified in clusters of galaxies. However, the number of nearby UDGs suitable for detailed follow-up remain rare. Our aim is to begin to identify UDGs in the environments of nearby bright early-type galaxies from the VEGAS survey. Here we use a deep g band image of the NGC 5846 group, taken as part of the VEGAS survey, to search for UDGs. We found one object with properties of a UDG if it associated with the NGC 5846 group, which seems likely. The galaxy, we name NGC 5846$\_$UDG1, has an absolute magnitude of M$_g$ = -14.2, corresponding to a stellar mass of $\sim$10$^8$ M$_{\odot}$. It also reveals a system of compact sources which are likely globular clusters. Based on the number of globular clusters detected we estimate a halo mass that is greater than 8$\times$10$^{10}$ M$_{\odot}$ for UDG1.