# The Revised TESS Input Catalog and Candidate Target List

## TL;DR

This paper details the development of an updated TESS Input Catalog and Candidate Target List, incorporating Gaia DR2 data and improved star ranking for optimized exoplanet observation targeting.

## Contribution

The paper introduces a revised TIC and CTL with new algorithms and Gaia data integration, enhancing star prioritization for TESS observations.

## Key findings

- Updated TIC with Gaia DR2 data improves star characterization.
- Revised ranking system enhances prioritization for 2-minute cadence observations.
- Catalogs are publicly available for community use.

## Abstract

We describe the catalogs assembled and the algorithms used to populate the revised TESS Input Catalog (TIC), based on the incorporation of the Gaia second data release. We also describe a revised ranking system for prioritizing stars for 2-minute cadence observations, and assemble a revised Candidate Target List (CTL) using that ranking. The TIC is available on the Mikulski Archive for Space Telescopes (MAST) server, and an enhanced CTL is available through the Filtergraph data visualization portal system at the URL http://filtergraph.vanderbilt.edu/tess_ctl.