Ephemeris Refinement for Qatar-4 b, HAT-P-18 b, and CoRoT-1 b with Small Telescope and TESS Observations

arXiv:2607.15391 · astro-ph.EP · Submitted 2026-07-16 · Read on arXiv

Heather B. Hewitt, Mikaela Chamlee, Trinity Hockman, Annalise Igyarto, Dan van der Burg, Federico R. Noguer, Ira Bell, Jeremie Abides, Simon Abshear, Philip Arthur Ellis, Shashank Avinash Araokar, Eurico Bras, Jamie Buckingham, Dion Bumpus, Kartavya Chauhan, Logan Conrad, Koty Creel, Courtney Dammann, Samantha Duarte Rodriguez, Jeffrey Ensor, Benjamen Erickson, Adam Facciponti, Logan Farrar, Blaise Foca, Holly Foreman, Mark Foreman, Haley Fournier, Jeff Franklin, Keith Goss, Dustin Hubbartt, Nicolette Jeantilus, Justin Kobrin, Spencer Lunsford, Wyatt McCormick, Zachary McNeely, Kurtis Merrill, Sarah Miller, Dean Miller, Sofie Miura, Cody Montgomery, Karina Munoz, Keith Norton, Anna Plum, Jake Raby, Jay Thompson, Sohley Wallace-Pichardo, Molly N. Simon, Robert T. Zellem

astro-ph.EP

Submitted: 2026-07-16

Comments: https://apps.aavso.org/jaavso/article/4054/

Journal ref: Journal of the American Association of Variable Star Observers, 54(1), 39-58 (2026)

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• NASA Transiting Exoplanet Survey Satellite — 3× in this paper
• Aperture — 2× in this paper · explained in 1 episode
• Mikulski Archive for Space Telescopes — 2× in this paper
• Adam — 1× in this paper · explained in 2 episodes
• American Association of Variable Star Observers — 1× in this paper
• Aperture Photometry — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Hubble Space Telescope — 1× in this paper
• James Webb Space Telescope — 1× in this paper

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