A dataset provided by the European Space Agency

Name 088027
Title The Lx-T Scaling Relation of Low Lx Genuine Elliptical Galaxies


DOI https://doi.org/10.5270/esa-[xxxxxxx]
Author Dr Dong-Woo Kim
Description We propose to observe five X-ray-faint genuine elliptical galaxies (for 150 ksec). The observed tight correlation between Lx and T for a small sample of E galaxies suggests that the retention of hot gas (potential depth) and the balance between heating and cooling is closely regulated. The available data suggest that the tight relation may extend down to log(Lx)virgul38.5. However, theoretical predictions and numerical simulations suggest that the gas is in an outflow-wind state at these Lx, predicting an end to the correlation. We propose to constrain observationally the Lx-T relation at the lowest Lx to test the most substantial effect of the baryonic physics and provide the necessary confirmation of feedback recipes or the need for their corrections.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2021-06-29T02:13:05Z/2021-06-29T07:08:05Z
Version 19.16_20210326_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 2022-07-13T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2022-07-13T00:00:00Z, 088027, 19.16_20210326_1200. https://doi.org/10.5270/esa-[xxxxxxx]