activity
20172026
most citedPoint Spread Function of Hexagonally Segmented Telescopes by New Symmetrical Formulation

10 citations · 29 across the 9 of their papers we have counts for

collaborators

9 papers

astro-ph.GA2026

The Roman eXtreme Deep Field (RXDF)

Haojing Yan, Anton M. Koekemoer, Yue Shen +127

The Roman eXtreme Deep Field (RXDF) program is one of the five General Astrophysics Survey (GAS) programs approved for observing time with the Nancy Grace Roman Space Telescope in…

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

astro-ph.IM2026

Combining a Diffraction-Limited Coronagraph with Fiber Nulling: A Demonstration of Serially Coupling Different Nullers

Satoshi Itoh, Taro Matsuo, Reiki Kojima +3

We present experimental results of an efficient small-IWA (1 ) high contrast imaging approach realized by co-optimizing a coronagraph front-end with a fiber nulling 2nd…

astro-ph.IM2026

Japan's Possible Contributions for Coronagraph of the Habitable Worlds Observatory (HWO)

Keigo Enya, Kenta Yoneta, Naoshi Murakami +20

In this paper, we describe Japan's possible contributions for coronagraph of the Habitable Worlds Observatory (HWO) based on our independent study. We are considering to contribute…

astro-ph.EP2026★ 3 cited

KMT-2025-BLG-1616Lb: First Microlensing Bound Planet From DREAMS

Hongjing Yang, Weicheng Zang, Yoon-Hyun Ryu +60

We present observations and analysis of the bound planetary microlensing event KMT-2025-BLG-1616. The planetary signal was captured by the Korea Microlensing Telescope Network (KMT…

astro-ph.EP2025★ 9 cited

The Prime Focus Infrared Microlensing Experiment (PRIME): First Results

Takahiro Sumi, David A. H. Buckley, Alexander S. Kutyrev +37

We present the description of the instruments and the first results of the PRime-focus Infrared Microlensing Experiment (PRIME). PRIME is the first dedicated near-infrared (NIR) mi…

astro-ph.IM2025

Experimental Validation for Serial Conjunction of Diffraction-limited Coronagraph and Fiber Nuller

Satoshi Itoh, Taro Matsuo, Reiki Kojima +2

We report the experimental results of a serially conjoined nuller system, which combines a type of Lyot coronagraph with a fiber nuller. The utilized one-dimensional diffraction-li…

astro-ph.IM2018★ 10 cited

Point Spread Function of Hexagonally Segmented Telescopes by New Symmetrical Formulation

Satoshi Itoh, Taro Matsuo, Shibai Hiroshi +1

A point spread function of hexagonally segmented telescopes is derived by a new symmetrical formulation. By introducing three variables on a pupil plane, the Fourier transform of p…

astro-ph.EP2017★ 7 cited

MOA-2012-BLG-505Lb: A super-Earth mass planet probably in the Galactic bulge

Masayuki Nagakane, Takahiro Sumi, Naoki Koshimoto +27

We report the discovery of a super-Earth mass planet in the microlensing event MOA-2012-BLG-505. This event has the second shortest event timescale of days whe…