MUPHOTEN : a MUlti-band PHOtometry Tool for TElescope Network
P. A. Duverne, S. Antier, S. Basa, D. Corre, M. W. Coughlin, A. V., Filippenko, A. Klotz, P. Hello, W. Zheng

TL;DR
Muphoten is a fast, versatile photometric pipeline designed to unify multi-telescope, multi-band observations into homogeneous light curves, enhancing early transient characterization in time-domain astronomy.
Contribution
It introduces a novel, efficient tool for rapid extraction and homogenization of transient photometry from heterogeneous telescope networks.
Findings
Successfully applied to SN 2018cow data from GRANDMA and Liverpool Telescope.
Demonstrates high-speed processing suitable for early transient feature detection.
Creates consistent, multi-band light curves from diverse observational data.
Abstract
The early and complete temporal characterization of optical, fast, transient sources requires continuous and multiband observations over different timescales (hours to months). For time-domain astronomy, using several telescopes to analyze single objects is the usual method, allowing the acquisition of highly sampled light curves. Taking a series of images each night helps to construct an uninterrupted chain of observations with a high cadence and low duty cycle. Speed is paramount, especially at early times, in order to capture early features in the light curve that help determine the nature of the observed transients and assess their astrophysical properties. However, the problem of rapidly extracting source properties (temporal and color evolution) with a heterogeneous data set remains. Consequently, we present Muphoten, a general and fast-computation photometric pipeline able to…
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