Recent extinction maps of highest resolution (5 arcsec) of the Pipe Nebula showconspicuous highly obscured globules, corresponding to column densities of 1E20- 1E23 cm-2. The accurately known distance of 125 pc, ensures that most of theforeground X-ray emission is from the Local Bubble (LB). Due to the largecollecting area of XMM and the specral resolution of EPIC pn we can for thefirst time measure the local foreground spectrum in the energy range 0.3 - 3.0keV by shadowing experiments. We propose three targets, Barnard 68, Fest 1-457and Barnard 59, which cover a large region, thus allowing us to (i) disentangleforeground and background emission, (ii) study the LB spectrum, (iii) analyzespatial and spectral variations in the LB, and (iv) check for cloud evaporation.
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 Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs 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 Earths 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.
European Space Agency, Dr Dieter Breitschwerdt, 2003, 'Detailed spectral study of the Local Bubble by shadowing nearby globules', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-p8yfaoi
