|Title||The new eclipsing cool star binary RXJvirgul1442-0039|
|Author||Prof Jurgen Schmitt|
|Description||Optical follow-up observation have shown the RASS source RXJvirgul1442-0039 to be an eclipsing binary consisting of two stars of spectral type G5V+K1V. Modeling of the optical light curve shows the eclipse to be total, implying that large fractions of the stellar surfaces are occulted during optical primary and secondary minimum. With its rather large X-ray flux RXJvirgul1442-0039 is therefore extremely well suited to study the geometric location of the X-ray emission in activestars. Detailed X-ray studies of RXJvirgul1442-0039 have never been carried out in the past, therefore we propose two XMM-Newton pointings centered on primary andoptical secondary eclipse, respectively, to search for X-ray eclipses in RXJvirgul1442-0039.|
|Publication||No observations found associated with the current proposal|
|Instrument||EMOS1, EMOS2, EPN, OM, RGS1, RGS2|
|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.
|Publisher And Registrant||European Space Agency|
|Credit Guidelines||European Space Agency, 2009-03-07T00:00:00Z, 050448, 17.56_20190403_1200. https://doi.org/10.5270/esa-k0hazg5|