A dataset provided by the European Space Agency

Name 030717
Title The Eclipsing Binary Pulsar J1638-4725
URL

https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0307170201

DOI https://doi.org/10.5270/esa-vlqau4p
Author Dr Maura McLaughlin
Description PSR J1638-4725 is in a highly eccentric binary system with a 5-yr orbital period
about a massive companion. The pulsar is undetectable in the radio for roughly 1
yr around periastron, most likely due to absorption and scattering by the dense
stellar environment. During this radio-quiet phase, X-rays produced by propeller
regime accretion of matter onto the neutron star magnetosphere are likely to be
detectable. If such emission is detected, this binary will be the first system
in which an accretion phase alternates with a radio pulsar phase. Observations
of the X-ray emission close to periastron will provide an important diagnostic
of the properties of the companion star and its wind. Such an opportunity will
not be available for another 5 years.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2005-08-19T06:18:09Z/2005-08-20T09:56:27Z
Version 17.56_20190403_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 2006-10-05T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Maura McLaughlin, 2006, 030717, 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-vlqau4p