A dataset provided by the European Space Agency

Proposal ID 0520008
Obs ID 05200080001, 05200080002, 05200080003, 05200080005
Title Gamm-Ray Line Emission from the Superbubble
Download Data Associated to the proposal https://isla.esac.esa.int/tap/download/bundle?format=ascii_curl&product_id=prop_id:0520008
DOI https://doi.org/10.57780/esa-zskbp5i
Author Iyudin
Abstract The goal of this proposal is to test the superbubble (SB) paradigm for the origin of radio and X-ray emission ridge contained by Loop I and Loop IV circles on the northern galactic sky, at longitudes l<20 deg., and l>310 deg.. This region was found to posess a strong emission in radio waves (Haslam et al. 1971), as well as in soft X-rays (Bunner et al. 1972; Egger and Aschenbach 1995; Snowden et al. 1995, 1997). The interpretation of this radio and X-ray emission remains controversial, and is based on the hypothesised interaction of Loop I with Loop IV (Salter 1983), or, alternatively, with the Sco-Cen region wind produced bubble (Egger and Aschenbach 1995). In both cases the gamma-ray line emission from this region is expected to be strong in boundaries of contemporaneous SB models.We will use already proven capability of SPI to measure the gamma-ray line emission from the extended regions, that was demonstrated by the 511 keV line study (Knodleseder et al. 2005; Weidenspointner et al. 2006), and do propose to study broad and narrow gamma-ray lines of the Loop I-Loop IV ridge. These lines have to be produced via the excitation and spallation processes on elements abundantantly produced inside SB via wind ejection by massive stars, or/and ejected by supernovae explosions. These abundant elements are bombarded by the sub-relativistic cosmic rays that are expected to be accelerated in SB.These measurements will provide the first test of the theory of the Cosmic Rays injection and acceleration up to the energy of 10E15 eV/nucleon in the environment of the superbubble.
Publications
Temporal Coverage 2008-01-03T17:01:51Z / 2009-06-11T15:18:58Z
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 2026-03-05T13:05:56Z
Keywords INTEGRAL gamma-ray data, ESA INTEGRAL mission dataset, gamma-ray astronomy observations, high-energy astrophysics data, IBIS imaging data, SPI spectrometer data, JEM-X X-ray monitoring data, OMC optical monitoring data, coded mask telescope observations, gamma-ray spectroscopy dataset, MeV astrophysics data, keV–MeV photon observations, gamma-ray burst observations dataset, black hole gamma-ray data, neutron star high-energy observations, positron annihilation 511 keV line data, Galactic Center gamma-ray emission dataset, supernova nucleosynthesis gamma-ray lines, active galactic nuclei high-energy data, transient astrophysical source monitoring, calibrated photon event lists, gamma-ray light curves, high-energy spectra data, sky maps gamma-ray, time-series astrophysical observations, long-term gamma-ray monitoring dataset
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Iyudin, 2026, 'Gamm-Ray Line Emission from the Superbubble', 1.0, European Space Agency, https://doi.org/10.57780/esa-zskbp5i