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Browsing University of Hertfordshire by Author "Wolscznan, A."
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A pathfinder instrument for precision radial velocities in the near-infrared
Ramsey, L.; Barnes, John; Redman, S.L.; Jones, H.R.A.; Wolscznan, A.; Bongiorno, S.; Engel, L.; Jenkins, J.S. (2008)We have designed and tested an in-plane echelle spectrograph configured to investigate precision radial velocities from ground-based near-infrared observations. The spectrograph operates across the spectral range of 0.9–1.7 ... -
Precision radial velocities in the infrared
Jones, H.R.A.; Rayer, J.; Ramsey, L.; Dent, B.; Longmore, A.J.; Vacva, B.; Liu, M.; Webster, A.; Wolscznan, A.; Barnes, A. (2009)Over 250 extra-solar planets have been discovered to date using a variety of techniques. The majority have been discovered at optical wavelengths from the Doppler shift of F, G and K stars induced by orbiting planets. We ...