A dataset provided by the European Space Agency

Name 015275
Title Detailed spectral study of the Local Bubble by shadowing nearby globules
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0152750101

DOI 10.5270/esa-p8yfaoi
Author Dr Dieter Breitschwerdt
Description Recent extinction maps of highest resolution (5 arcsec) of the Pipe Nebula show conspicuous highly obscured globules, corresponding to column densities of 1E20 - 1E23 cm-2. The accurately known distance of 125 pc, ensures that most of the foreground X-ray emission is from the Local Bubble (LB). Due to the large collecting area of XMM and the specral resolution of EPIC pn we can for the first time measure the local foreground spectrum in the energy range 0.3 - 3.0 keV by shadowing experiments. We propose three targets, Barnard 68, Fest 1-457 and Barnard 59, which cover a large region, thus allowing us to (i) disentangle foreground and background emission, (ii) study the LB spectrum, (iii) analyze spatial and spectral variations in the LB, and (iv) check for cloud evaporation.
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2002-09-27T06:56:23Z/2002-09-27T21:09:19Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations.
Since Earth's atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2003-12-18T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2003-12-18T00:00:00Z, 015275, 17.56_20190403_1200. https://doi.org/10.5270/esa-p8yfaoi