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astro-ph.HE2026
The unusually red delay spectrum of the low-mass black hole AGN NGC\,4051 as revealed by intensive continuum reverberation mapping with the Las Cumbres Observatory
Marcin Marculewicz, Juan V. Hernández Santisteban, Keith Horne +12
We present a two-year optical reverberation mapping campaign of NGC 4051, an active galactic nucleus (AGN) hosting a low-mass black hole (), using daily observ…
astro-ph.HE2026
A COLIBRI Photometric Study of SN 2025bvm: A Normal, Slowly Declining Type Ia Supernova
Diego Hernando Gonzalez-Buitrago, Maria Teresa Garcia-Diaz, Alberto Emiliano Montoya-Olivo +2
We present 121 days of multi-band (\Bband, \gband, \rband, \iband) optical photometry of the Type Ia supernova SN 2025bvm, obtained with the COLIBRI telescope at OAN-SPM. The light…