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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 12.

Short cadence photometry of GJ 251 taken by TESS during sectors 20, 45, 47, 60, 71, and 72. Overlaid is the transit ephemeris of GJ 251 b and c as determined from our RV fits. Sectors 71 and 72 strongly suggest that GJ 251 b does not transit. GJ 251 c, with its 54 days period and less precise ephemeris, is difficult to constrain with short-baseline TESS photometry. One predicted transit time does fall into Sector 20 photometry, though the uncertainty is so large as to be fairly uninformative. We detect no transits in the TESS photometry of GJ 251.

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