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QhX Catalog of Coherent and Quasi-coherent Active Galactic Nucleus Variability from Vera C. Rubin LSST DP1

  • Authors: Andjelka B. Kovačević, Dragana Ilić, Uroš Meštrić, Milena Stanković Cerović, Natale De Bonis, Luka Č. Popović, Saša Simić, Marta Fatović, Lorena Hernandez-García, Donald P. Schneider, Roberto J. Assef, Swayamtrupta Panda, Claudia M. Raiteri, Christian Wolf, Christopher A. Onken, Neven Caplar, Maria Charisi, Claudio Ricci, Chengcheng Xin, Ilsang Yoon, Mara Salvato, Matthew J. Temple, Sarath Satheesh-Sheeba, Demetra De Cicco, Maurizio Paolillo, Paula Sánchez-Sáez, Angela Bongiorno, Weixiang Yu, Akke Viitanen, Bindu Rani, Megan C. Davis, Marcin Marculewicz, Tomislav Jurkić, Ðorđe Savić

Andjelka B. Kovačević et al 2026 The Astrophysical Journal Supplement Series 285 .

  • Provider: AAS Journals

Caption: Figure 9.

Phase-folded (left) and time-domain (right) light curves of the candidate (ID = 611255072642321324) across the four LSST filters (g, r, i, and z). Blue points show the raw photometric measurements, orange points indicate phase-binned means, and the solid curves show the best-fit sinusoidal models from the verification step. The recovered period is ﹩P=2.7{6}_{-0.06}^{+2.65}﹩ days, with broadly consistent behavior across the four bands, amplitude S/N of order S/N ≈ 8–10, and coherence C ≈ 0.8. The modulation is quasi-sinusoidal and nearly achromatic, consistent with a coherent oscillatory component under the adopted vetting criteria.

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