An Information-Theoretic Metric for Transient Classification and Novelty Detection
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866910130071666688 |
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| author | Yu-Qian Ouyang Malz, Alex I. Lian, Ming Daniels, Shar Bianco, Federica Nilsson, Mathilda |
| author_facet | Yu-Qian Ouyang Malz, Alex I. Lian, Ming Daniels, Shar Bianco, Federica Nilsson, Mathilda |
| contents | The development of the observing strategy for the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) requires a broad optimization across science cases inside and outside of time-domain astronomy. We introduce a novel metric for transient science with LSST based on information-theoretic cross-entropy. We demonstrate its utility for distinguishing populations of objects and discuss applications for observing strategy / detection pipeline optimization as well as novelty detection and follow-up resource allocation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_13207 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | An Information-Theoretic Metric for Transient Classification and Novelty Detection Yu-Qian Ouyang Malz, Alex I. Lian, Ming Daniels, Shar Bianco, Federica Nilsson, Mathilda Instrumentation and Methods for Astrophysics The development of the observing strategy for the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) requires a broad optimization across science cases inside and outside of time-domain astronomy. We introduce a novel metric for transient science with LSST based on information-theoretic cross-entropy. We demonstrate its utility for distinguishing populations of objects and discuss applications for observing strategy / detection pipeline optimization as well as novelty detection and follow-up resource allocation. |
| title | An Information-Theoretic Metric for Transient Classification and Novelty Detection |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2604.13207 |