The detailed comparison between observations and simulations of ram pressurestripped spiral galaxies in the Virgo cluster has led to a three dimensionalview of the galaxy orbits within the hot intracluster medium. The 3D velocitiesand Mach numbers derived from these simulations can be used to derive simpleMach cone geometries. We see indications of these Mach cones in the large-scaleX-ray emission of existing XMM-Newton data. However, the data are not deepenough to establish a clear cone structure. Therefore, we propose highsensitivity X-ray observations of selected Virgo Cluster spiral galaxies. Theobservations of NGC,4388 were approved in AO9 with a C-priority. However, thishas not been scheduled yet and there is no guarantee it will be done.
Instrument
EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage
2011-06-17T23:22:39Z/2011-06-18T16:25:51Z
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 Marek Wezgowiec, 2012, 'Mach cones around Virgo Cluster spiral galaxies', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-lo6n5cj
