Position for the rapid burster MXB 1730-335 determined with the scanning modulation collimator on HEAO 1
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Doxsey, R.↗
Engineering topics
Johnston, M.
Publications and source records attributed to Johnston, M..
Nova Ophiuchi 1977 - An X-ray nova
This letter reports the observation by the HEAO 1 satellite experiments of the X-ray nova in Ophiuchus discovered by Kaluzienski and Holt (1977), which is designated H1705-25. The SAO/MIT scanning modulation collimator has been used in conjunction with the NRL large-area sky survey to give two possible positions for the X-ray nova, each having errors of 0.3 by 1.8 arcmin. The discovery of a 16.5-magnitude optical nova (Nova Ophiuchi 1977) in one of the error boxes is reported, and the X-ray source is identified with the optical nova. The object is classified as being of the A0620-00 and A1524-61 type; i.e., a low-mass binary system.
Griffiths, R. E.↗