A dataset provided by the European Space Agency

Proposal ID 0720009
Obs ID 07200090001, 07200090002
Title Compton reflection and plasma temperature in NGC 2110
Download Data Associated to the proposal https://isla.esac.esa.int/tap/download/bundle?format=ascii_curl&product_id=prop_id:0720009
DOI https://doi.org/10.57780/esa-xfwmo5i
Author Beckmann
Abstract We request one INTEGRAL observation of 250 ksec of thebright Seyfert 2 galaxy NGC 2110. Previous observations by BeppoSAX showed a complex X-ray spectrum, but did not extend significantly above 100 keV in order to study the continuum and determine the turnover (cut-off) in the hard X-ray band. An AO-6 combined INTEGRAL (250 ksec) and Swift (2.2 ksec) observation of NGC 2110 showed a cut-off at 90 keV but displayed little reflection (R < 0.3) and no fluorescence line. INTEGRAL offers the unique possibility to study the physics involved in absorbed AGN and even enables us to study the connection between flux variation, high-energy cut-off, reflection component, and iron fluorescence line. The variation in flux between and during the proposed and previous observation in various energy bands can reveal the geometry of this source. The two separate observations will most likely catch the source in two different states, allowing to further constrain the connection between high energy spectrum and reprocessing. The proposed observation will put tighter constraints on the reflection component and/or will show spectral variability within this object.
Publications
Temporal Coverage 2009-10-11T11:53:50Z / 2009-10-17T22:15:21Z
Version 1.0
Mission Description The INTEGRAL (International Gamma-Ray Astrophysics Laboratory) mission, launched by the European Space Agency (ESA) on October 17, 2002, was designed to study high-energy phenomena in the universe. INTEGRAL was operating until february 2025 and it was equipped with three high-energy instruments: the Imager on Board the INTEGRAL Satellite (IBIS), the Spectrometer on INTEGRAL (SPI), and the JEM-X (Joint European Monitor for X-rays). Its Optical Monitoring Camera (OMC) provided optical V-band magnitude measurements, complementing the high-energy observations.
Creator Contact https://www.cosmos.esa.int/web/integral/helpdesk
Date Published 2025-03-25T09:54:35Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Beckmann, 2025, 'Compton reflection and plasma temperature in NGC 2110', 1.0, European Space Agency, https://doi.org/10.57780/esa-xfwmo5i