What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23
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arXiv
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| Autores principales: | , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| author | Pruzhinskaya, Maria V. Lavrukhina, Anastasia D. Semenikhi, Timofey A. Volnova, Alina A. Sreejith, Sreevarsha Krushinsky, Vadim V. Gangler, Emmanuel Ishida, Emille E. O. Kornilov, Matwey V. Malanchev, Konstantin L. |
| author_facet | Pruzhinskaya, Maria V. Lavrukhina, Anastasia D. Semenikhi, Timofey A. Volnova, Alina A. Sreejith, Sreevarsha Krushinsky, Vadim V. Gangler, Emmanuel Ishida, Emille E. O. Kornilov, Matwey V. Malanchev, Konstantin L. |
| contents | We present results from the SNAD VIII Workshop, during which we conducted the first systematic anomaly search in the ZTF fields also observed by LSSTComCam during Rubin Scientific Pipeline commissioning. Using the PineForest active anomaly detection algorithm, we analysed four selected fields (two galactic and two extragalactic) and visually inspected 400 candidates. As a result, we discovered six previously uncatalogued variable stars, including RS~CVn, BY Draconis, ellipsoidal, and solar-type variables, and refined classifications and periods for six known objects. These results demonstrate the effectiveness of the SNAD anomaly detection pipeline and provide a preview of the discovery potential in the upcoming LSST data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_06217 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23 Pruzhinskaya, Maria V. Lavrukhina, Anastasia D. Semenikhi, Timofey A. Volnova, Alina A. Sreejith, Sreevarsha Krushinsky, Vadim V. Gangler, Emmanuel Ishida, Emille E. O. Kornilov, Matwey V. Malanchev, Konstantin L. Instrumentation and Methods for Astrophysics Astrophysics of Galaxies Solar and Stellar Astrophysics Machine Learning We present results from the SNAD VIII Workshop, during which we conducted the first systematic anomaly search in the ZTF fields also observed by LSSTComCam during Rubin Scientific Pipeline commissioning. Using the PineForest active anomaly detection algorithm, we analysed four selected fields (two galactic and two extragalactic) and visually inspected 400 candidates. As a result, we discovered six previously uncatalogued variable stars, including RS~CVn, BY Draconis, ellipsoidal, and solar-type variables, and refined classifications and periods for six known objects. These results demonstrate the effectiveness of the SNAD anomaly detection pipeline and provide a preview of the discovery potential in the upcoming LSST data. |
| title | What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23 |
| topic | Instrumentation and Methods for Astrophysics Astrophysics of Galaxies Solar and Stellar Astrophysics Machine Learning |
| url | https://arxiv.org/abs/2507.06217 |