Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...207l..95l&link_type=abstract
Astrophysical Journal, vol. 207, July 15, 1976, pt. 2, p. L95-L99.
Astronomy and Astrophysics
Astrophysics
143
Binary Stars, Neutron Stars, X Ray Sources, Earth Magnetosphere, Plasma Dynamics, Sas-3, Stellar Mass Ejection, Time Response
Scientific paper
Rapidly repetitive X-ray bursts have been observed from a new X-ray source in Scorpius. More than 2000 bursts were observed during the 4-day continual SAS-3 observations of this source designated MXB 1730-335. The time interval between bursts varied from a minimum of about 6 s to a maximum of about 5 minutes. The energy in a given burst is approximately linearly proportional to the time interval to the next burst. The largest bursts observed last for about 60 s and represent an energy release of approximately 10 to the 40th ergs for an assumed distance to the source of 10 kpc. The smallest bursts observed last only for a few seconds. We suggest that the bursts are caused by sporadic precipitations of plasma from a reservoir in the magnetosphere of a neutron star. The reservoir is replenished at a nearly constant rate by mass transferred from a binary companion.
Bradt V. D. H.
Clark George W.
Doty John
Doxsey Rodger
Hearn David R.
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