The 5 Year Monitoring Campaign of the JWST Time-Domain Field in the NEP with NuSTAR and XMM-Newton
Abstract
The JWST North Ecliptic Pole (NEP) Time-Domain Field is currently the subject of an ongoing deep multi-wavelength campaign from the radio to hard X-ray regimes. Alongside ~47 hours of JWST observations, the NEP has 2.5 Ms of multi-year hard X-ray (3-24 keV) data from NuSTAR split across Cycles 5, 6, and 8, and with an additional 0.9 Ms awarded in the current NuSTAR Cycle 9. This makes it the deepest extra-galactic NuSTAR survey to date and the first monitoring survey in the hard X-ray band. Alongside this NuSTAR data, the NEP has been awarded 110 ks of simultaneous XMM-Newton observations, which allow for broad-band analysis of source variability and obscuration. Within the NEP X-ray footprint, 60 sources have been detected by NuSTAR, with many displaying variability in the 3-24 keV band and other transients that appear in single observations. We present an overview of the NuSTAR and XMM survey, source identification and classification via deep photometric and spectroscopic campaigns, and the initial results of the spectral analysis for the brightest X-ray sources as well as the study of X-ray flux variability.
- Publication:
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American Astronomical Society Meeting Abstracts #243
- Pub Date:
- February 2024
- Bibcode:
- 2024AAS...24310412C