VERTICO: The Virgo Environment Traced In CO Survey
Toby Brown, Christine D. Wilson, Nikki Zabel, Timothy A. Davis,, Alessandro Boselli, Aeree Chung, Sara L. Ellison, Claudia D.P. Lagos, Adam, R.H. Stevens, Luca Cortese, Yannick M. Bah\'e, Dhruv Bisaria, Alberto D., Bolatto, Claire R. Cashmore, Barbara Catinella, Ryan Chown

TL;DR
VERTICO is a comprehensive ALMA survey mapping molecular gas in Virgo Cluster galaxies to study environmental effects on star formation and galaxy evolution, providing high-resolution data and insights into gas distribution and scaling relations.
Contribution
This paper introduces the VERTICO survey, detailing its design, data collection, and initial analysis of molecular gas in Virgo galaxies, highlighting its potential for advancing understanding of environmental impacts.
Findings
Detected molecular gas in 49 galaxies, non-detections in 2.
Produced resolved CO(2-1) data with median resolution of 640 pc.
Compared gas size-mass relation with field galaxies, emphasizing the impact of radius definitions.
Abstract
We present the Virgo Environment Traced in CO (VERTICO) survey, a new effort to map CO(), CO(), and CO() in 51 Virgo Cluster galaxies with the Atacama Compact Array, part of the Atacama Large Millimeter/submillimeter Array (ALMA). The primary motivation of VERTICO is to understand the physical mechanisms that perturb molecular gas disks, and therefore star formation and galaxy evolution, in dense environments. This first paper contains an overview of VERTICO's design and sample selection, CO() observations, and data reduction procedures. We characterize global CO() fluxes and molecular gas masses for the 49 detected VERTICO galaxies, provide upper limits for the two non-detections, and produce resolved CO() data products (median resolution ). Azimuthally averaged…
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