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Spectroscopic binary orbits from photoelectric radial velocities. Paper 3: delta Orionis
Howarth, I. D.; Zuiderwijk, E. J.; Stickland, D. J. +1 more
The purpose of the present contribution is to add a modern set of orbital elements to those derived from data of some antiquity in the pursuit of a value for the apsidal motion constant for the bright, hot supergiant δ Orionis.
Spectroscopic binary orbits from ultraviolet radial velocities. Paper 2: Plaskett's Star
Stickland, D. J.
Platinum and bismuth in HR 465
Cowley, Charles R.
Identifications in IUE spectra of HR 465 and a few other Ap stars in the magnetic sequence have been made using the method of wavelength coincidence statistics. These identifications have been supported by traditional techniques which rely on an examination of the strongest expected lines. The identification of Pt II made in a previous analysis of…
Possible H2 emission in Comet Bradfield
Krishna Swamy, K. S.; Tarafdar, S. P.
The authors have identified tentatively an observed feature at 1600 Å in comet Bradfield with H2 fluorescence emission.