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JieLin Yang (National Central University)Poster
n recent years, citizen science efforts leveraging deep imaging surveys have identified a growing number of planetary nebula (PN) candidates, many of which are large, low-surface-brightness structures potentially representing the most evolved members of the PN population. However, most remain spectroscopically unconfirmed.
We present preliminary results from an ongoing long-slit...
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Ms Sefina Liao (Taichung Municipal Mingdao High)Poster
We have developed a pipeline package (1) to generate simulated and (2) to classify stellar light curves. The simulator considers stellar brightness, period if any, and variation amplitude, and also realistic factors such as noises and observing duty cycles. The second module, the classifier, takes in a light curve, either a simulated one or from an actual observed dataset, to categorize it...
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Lapo Fanciullo (National Chung Hsing University)Poster
In the study of the interstellar medium, the study of dust thermal emission in the far-infrared is a central tool. Fitting the dust spectral energy distribution (SED) provides key information on interstellar medium column density and temperature. Often, the model used for such fits will be a modified blackbody, i.e. a Planck function at the temperature of the dust, modulated by a dust opacity...
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Xin Tian (National Central University)Poster
We report the comparison of two machine learning clustering algorithms, ML-MOC and HDBSCAN, for determining star cluster membership. ML-MOC employs a combination of the k-Nearest Neighbors (k-NN) algorithm to find candidate members, followed by a Gaussian Mixture Model (GMM) for precise membership probability assignment. This makes it well-suited for regular, centrally concentrated clusters....
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Dr Anli Tsai (Taiwan Astronomical Research Alliance (TARA) / National Central University)Poster
The Trans-Pacific Two-Meter Telescope (TP2m) is a collaborative project between NCU, ASIAA, UNAM, SHAO, UNAM, and HNAS. The telescope is expected to be deployed in San Pedro Mártir, Mexico, around 2025. The TP2m will collaborate with the nearby COLIBRI 1.3m. One of the primary goals is to follow up on transient targets identified by the LSST.
We aim to develop the telescope control system...
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Yu-Han HuangPoster
We investigated a population of evolved member stars in NGC 6791, a Galactic open cluster known to be old, with an age rivaling those of Pop II globular clusters but rich in metallicity as Pop I. Using Gaia DR3 proper motion and parallax, we identified member candidates against field stars, from which cluster parameters are derived. We confirm that NGC 6791 has a heliocentric distance of...
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Yi Duann (Graduate Institute of Astronomy, National Central University, Taoyuan, Taiwan)Poster
The rapid proliferation of low Earth orbit (LEO) satellites and space debris presents increasing challenges to orbital sustainability, collision avoidance, and astronomical observations. As of February 2026, approximately 14,000 active satellites are in orbit, with an additional 1.23 million proposed, highlighting growing concerns over orbital congestion and long-term space environment...
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Bahareh Soleimanpour Salmasi (National Tsing Hua University)Poster
Brown dwarfs are faint objects that fall between stars and planets in mass, making them intrinsically difficult to detect and confirm. In deep extragalactic survey fields, this becomes even more challenging, since brown dwarf candidates can easily be confused with distant galaxies or other faint sources. In this project, I study a sample of brown dwarf candidates in the COSMOS field using...
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Zane Nikia Domingo (Graduate Institute of Astronomy, National Central University, Taiwan)Poster
Wolf-359 is an M6.5 dwarf, famous for being an active flare star located in our solar neighborhood at a distance of approximately 2.42 pc. Due to its proximity, it has been a primary target for stellar activity surveys including the EDEN project (Lin et al., 2021). Their combined observations from Kepler/K2 and EDEN showed that the flare frequency is a function of the flare energy. Flares...
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