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Direct determination of quasar redshifts
Jos de Bruijne, Alastair Reynolds, Michael Perryman +6
We present observations of 11 quasars, selected in the range z = 2.2-4.1, obtained with ESA's Superconducting Tunnel Junction (STJ) camera on the WHT. Using a single template quasa…
Analysis of astronomical data from optical superconducting tunnel junctions
Jos H. J. de Bruijne, Alastair P. Reynolds, Michael . A. C. Perryman +2
Currently operating optical superconducting tunnel junction (STJ) detectors, developed in ESA, can simultaneously measure the wavelength (delta lambda = 50 nm at 500 nm) and arriva…
The origin of the runaway high-mass X-ray binary HD153919/4U1700-37
A. Ankay, L. Kaper, J. H. J. de Bruijne +3
Based on its Hipparcos proper motion, we propose that the high-mass X-ray binary HD153919/4U1700-37 originates in the OB association Sco OB1. At a distance of 1.9 kpc the space vel…