Probing the X-ray Universe: Analysis of faint sources with XMM-Newton
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Streblyanska, A. et al.
Advertised on:
6
2005
This section contains the publications database that collects IAC articles published in scientific journals. Please, click on the arrow to see full search filter and sort options: author, journal, year, etc..
It also provides access to IAC Preprints Repository here: https://research.iac.es/preprints/
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Pointed RXTE observations of SAX J1808.4-3658Follow-up RXTE PCA observations of the transient source consistent with the position of SAX J1808.4-3658 (ATEL#505) showed clear coherent pulsations at approximately 401 Hz. This frequency is identical to the spin frequency of the neutron star in SAX J1808.4-3658 demonstrating that it is indeed SAX J1808.4-3658 which is in outburst again. DuringWijnands, R. et al.
Advertised on:
62005 -
Planetary nebulae in the dwarf galaxy NGC 6822: Detection of new candidatesWe have discovered 13 new candidate Planetary Nebulae (PNe) in the dwarf irregular galaxy NGC 6822, increasing its total number to 17 objects. Our sample of candidate PNe is complete down to 3.5 mag below the brightest PN.Leisy, P. et al.
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62005 -
Optical photometry and spectroscopy of HETE J1900.1-2544We report optical photometry and spectroscopy of the candidate optical/NIR counterpart (ATEL #526, #533) to the millisecond X-ray pulsar HETE J1900.1-2455 (ATEL #516, #523, #538). Its consistency with the recent SWIFT localisation (ATEL #541) and our ground-based observations confirm its association with the X-ray source. Photometry was acquiredSteeghs, D. et al.
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62005 -
On the kinematics of the neutron star low mass X-ray binary Cen X-4We present the first determination of the proper motion of the neutron star low mass X-ray binary Cen X-4 measured from relative astrometry of the secondary star using optical images at different epochs. We determine the Galactic space velocity components of the system and find them to be significantly different from the mean values thatGonzález Hernández, J. I. et al.
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62005 -
On the fine structure of sunspot penumbrae. II. The nature of the Evershed flowWe investigate the fine structure of the sunspot penumbra by means of a model that allows for a flux tube in horizontal pressure balance with the magnetic background atmosphere in which it is embedded. We apply this model to spectropolarimetric observations of two neutral iron lines at 1.56 μm and invert several radial cuts in the penumbra of theBorrero, J. M. et al.
Advertised on:
62005