Publication
New Methods to Measure HII Regions Diameters
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PublicationNew multisite observations of δ Scuti stars V624 Tauri and HD 23194The preliminary results of STEPHI 2006 campaign are reported.
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PublicationNew near-infrared spectra of (594913) 'Aylo'chaxnim, the first known asteroid orbiting inside Venus orbitIntroductionAsteroid (594913) 'Aylo'chaxnim, formerly designated as 2020 AV2, is the only one known to orbit inside Venus orbit. It was first observed by the...
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PublicationNew NGC 6440 transient declining rapidlyThe new transient LMXB in NGC 6440 (CXOGlb J174852.7-202124; Atel #2139) is declining rapidly. RXTE observed NGC 6440 on July 30 (18:47 to 19:26 TT). The PCA...
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PublicationNew Observations of the Extremely High-Velocity Jet of the Proto-Planetary Nebula He 3-1475The proto-planetary nebula Hen 3-1475 (IRAS 17423--1755) shows a remarkable highly--collimated optical jet with a spectacular S-shaped string of shock-excited...
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PublicationNew Observations of the High-Velocity Outflows of the Proto-Planetary Nebula Hen 3-1475The proto-planetary nebula Hen 3-1475 shows a remarkable highly collimated optical jet with a S-shaped string of shock-excited knots. Moreover, extremely high...
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PublicationNew observations of ULX supershells, and their implicationsNew optical narrowband imaging observations of the fields of several ultra-luminous X-ray sources (ULXs) are presented. Known supershell nebulae are associated...
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PublicationNew Optical Observations of XTE J1118+480We report on new R-band photometry of the outbursting black hole candidate XTE J1118+480 (ATEL #383, #384) obtained with the 4.2m WHT at the Observatorio del...
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PublicationNew Optical Results on gamma-ray BinariesWe present new optical spectroscopy of the γ-ray binary LS 5039. Our data show evidence for sub-orbital modulation in the radial velocities with amplitude ∼ 7...