What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23

Abstract We present results from the SNAD VIII Workshop, during which we conducted the first systematic anomaly search in the Zwicky Transient Facility fields also observed by LSST commissioning camera during Rubin Scientific Pipeline commissioning. Using the PineForest active anomaly detection (AD) 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 AD pipeline and provide a preview of the discovery potential in the upcoming LSST data.

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Publication Details

Journal
Research Notes of the AAS
Published
2025-11-10
DOI
https://doi.org/10.3847/2515-5172/ae1c40
Primary Topic
Galaxies: Formation, Evolution, Phenomena
Type
article
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article

What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23

T. A. Semenikhin, V. Krushinsky, A.D. Lavrukhina, M. Kornilov et al.
Research Notes of the AAS
Galaxies: Formation, Evolution, Phenomena
article

What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23

T. A. Semenikhin, V. Krushinsky, A.D. Lavrukhina, M. Kornilov, É. Gangler, Sreevarsha Sreejith, Konstantin Malanchev, Émille E. O. Ishida, M. V. Pruzhinskaya, A. Volnova
article en

Abstract

Abstract We present results from the SNAD VIII Workshop, during which we conducted the first systematic anomaly search in the Zwicky Transient Facility fields also observed by LSST commissioning camera during Rubin Scientific Pipeline commissioning. Using the PineForest active anomaly detection (AD) 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 AD pipeline and provide a preview of the discovery potential in the upcoming LSST data.

Research Notes of the AASVol. 9(11)
National Research University Higher School of Economics (RU), Centre National de la Recherche Scientifique (FR), Ural Federal University (RU), Université Clermont Auvergne (FR), Lomonosov Moscow State University (RU), Space Research Institute (RU), University of Surrey (GB), Laboratoire de Physique de Clermont Auvergne (FR), Carnegie Mellon University (US)
Openalex Percentile: Top 77%
Galaxies: Formation, Evolution, Phenomena
DOIOpen Access PDFOpenAlex
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What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23 — T. A. Semenikhin, V. Krushinsky, et al. · Research Notes of the AAS (2025) | TGRS Research Map | TGRS