The outflow phenomenon is associated both with the early and the last phase ofthe stellar evolution. Recently, a unique bipolar outflow with an angular sizeof 1.2 degrees was discovered in the blister HII region Sh2-129. Ou4, nicknamedThe Giant Squid, is to our knowledge the bipolar outflow with the largestangular size ever found. We propose joint XMM-Newton/EPIC (35 ks) andChandra/HRC-I (16 ks) observations to look for the driving source of Ou4 and toclarify the nature of this object.
Instrument
EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage
2013-07-27T00:49:40Z/2013-07-27T13:18:00Z
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 Nicolas Grosso, 2014, 'X-ray diving in the center of Sh2-129: looking for the driving source of Ou4', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-sofh816
