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Discovery of a Nearby Habitable Zone Super-Earth Candidate Amenable to Direct Imaging

Authors: Corey Beard, Paul Robertson, Jack Lubin, Eric B. Ford, Suvrath Mahadevan, Gudmundur Stefansson, Jason T. Wright, Eric Wolf, Vincent Kofman, Vidya Venkatesan, Ravi Kopparapu, Roan Arendtsz, Rae Holcomb, Raquel A. Martinez, Stephanie Sallum, Jacob K. Luhn, Chad F. Bender, Cullen H. Blake, William D. Cochran, Megan Delamer, Scott A. Diddams, Michael Endl, Samuel Halverson, Shubham Kanodia, Daniel M. Krolikowski, Andrea S. J. Lin, Sarah E. Logsdon, Michael W. McElwain, Andrew Monson, Joe P. Ninan, Jayadev Rajagopal, Arpita Roy, Christian Schwab, Ryan C. Terrien

Corey Beard et al 2025 The Astronomical Journal 170 .

Provider: AAS Journals

Caption: Figure 2.

GLS periodograms of GJ 251 RV data. Top: The entire data set that was used in the analysis of the system, with instrumental offsets applied (taken from Table 4). Bottom: Periodograms on the data from individual instruments. Pre-/postsplits for HIRES, HPF, and NEID have been combined after offset correction. Instruments are ordered from bluest to reddest. NEID and all-data periodograms include a red line, indicating the result when red NEID RVs are utilized. Signals of interest highlighted are at 14, 54, 68, 73, 120, and 130 days.

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