Author

Alexander Venner

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Open access Sep 2026

A Binary Flux Calibrator Reveals the Scientific Potential of Short-integration JWST MIRI Imaging to Directly Detect Sub-Jupiter Exoplanets

We report the direct imaging detection of a stellar companion to HD 101452 (HIP 56925; Gaia DR3 5384905720847544192), an A star historically used as an infrared flux calibrator. The companion was identified from an asymmetry in the stellar point-spread function (PSF) using short-integration (<1 minute), noncoronagraphi...

R. Bowens-Rubin, M. Limbach, Alexander Venner et al. · Astrophysical Journal Letter... · 0 citations

Open access Aug 2026

HD 715 b, a Warm Jupiter Orbiting a Massive Subgiant Discovered from a Single TESS Transit

Transiting warm Jupiters orbiting bright stars are scarcely known, but a substantial number of these planets have been uncovered by the TESS mission. In this work, we report the discovery and confirmation of a transiting warm Jupiter orbiting the bright (V = 8.70) subgiant star HD 715 (TOI-6893). HD 715 b was originall...

Alexander Venner, R. Wittenmyer, A. Vanderburg et al. · Astronomical Journal · 0 citations