New visible and K-band polarization measurements of stars surrounding molecular clouds in Orion A and stars in the Becklin-Neugebauer (BN) vicinity are presented. Our results confirm that magnetic fields located inside the Orion A molecular clouds and in their close neighborhood are spatially connected. On and around the BN object, we measured the
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Multi-scale Analysis of Magnetic Fields in Filamentary Molecular Clouds in Orion APoidevin, F. et al.112011
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Multi-wavelength characterization of the blazar S5 0716+714 during an unprecedented outburst phase
Context. The BL Lac object S5 0716+714, a highly variable blazar, underwent an impressive outburst in January 2015 (Phase A), followed by minor activity in February (Phase B). The MAGIC observations were triggered by the optical flux observed in Phase A, corresponding to the brightest ever reported state of the source in the R-band. Aims.The
Ahnen, M. L. et al.Fecha de publicación:
112018 -
Multiband observations of the comet C/2000 WM1 (LINEAR) at its closest approach to the Earth
Comet C/2000 WM1 (LINEAR) was observed at ESO when it had its closest approach to the Earth at the beginning of December 2001 (geocentric distance: 0.32 AU). The aim of the observations was the characterization of the solid component of the coma in order to better understand the origin and the correlation between most aspects of this component. The
Tozzi, G. P. et al.Fecha de publicación:
112002 -
Multiband study of RX J0838-2827 and XMM J083850.4-282759: a new asynchronous magnetic cataclysmic variable and a candidate transitional millisecond pulsar
In a search for the counterpart to the Fermi-LAT source 3FGL J0838.8-2829, we performed a multiwavelength campaign: in the X-ray band with Swift and XMM-Newton; in the infrared and optical with OAGH, ESO-NTT and IAC80; and in the radio with ATCA observations. We also used archival hard X-ray data obtained by INTEGRAL. We report on three X-ray
Casares, J. et al.Fecha de publicación:
112017 -
Multifrequency-spectral behavior of the BL Lacertae objects OI 90.4 and 3C 66A
Single-epoch multifrequency data for the BL Lac objects OI 90.4 and 3C 66A, spanning radio through ultraviolet wavelengths, are presented, as well as other measurements relevant to intensity and spectral-shape variability. Both BL Lac objects exhibit spectral curvature in the infrared-to-ultraviolet region, a properity that is inferred to be usual
Worrall, D. M. et al.Fecha de publicación:
111984 -
Multiple collimated outflows in a planetary nebula?
We present high resolution images and high dispersion spectra of the planetary nebula IC 4593. Benefiting from superb seeing (0″.4), the narrowband images reveal the existence of a complex system of collimated knots in the inner 15″ of the nebula.The knots, which morphologically resemble outward facing bow-shocks, are located at different position
Corradi, Romano L. M. et al.Fecha de publicación:
111997