Nebula
National Institutes of Health
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Fast radio bursts (FRBs) have excessive dispersion measures (DMs) and an all-sky distribution, which point toward an…
We report on Chandra X-ray Observatory (CXO) observations of the pulsar wind nebula (PWN) associated with PSR B0355+54 (eight…
The first wind nebula around a magnetar was recently discovered in X-rays around Swift~J1834.9$-$0846. We study this magnetar's…
F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlohr, H.-G. Borst, H. Bojahr, O. Bolz, T. Coarasa, J. Contreras, J. Cortina, S…
The abundances of elements and their isotopes in our Galaxy show wide variations, reflecting different nucleosynthetic processes…
The growth of meter-sized bodies in the solar nebula by dust accretion is examined. The meter-sized bodies have velocity about 50…
Echelle spectrophotometry of the planetary nebula NGC 5307 is presented. The data consist of Very Large Telescope Ultraviolet…
The Luminous Blue Variable star η Carinae is one of the most massive stars known. It underwent a giant eruption in 1843 in which…
Soft X-ray emission from the ring nebula NGC6888, formed by the stellar wind of the central WolfRayet star HD192163, has been…