Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.336..146p&link_type=abstract
Nature (ISSN 0028-0836), vol. 336, Nov. 10, 1988, p. 146-148. Research supported by ZWO, Ministry of Education and Sciences, NAT
Astronomy and Astrophysics
Astronomy
63
Neutron Stars, Radio Sources (Astronomy), Stellar Mass Accretion, X Ray Binaries, Horizontal Branch Stars, Radiant Flux Density, Stellar Color, Stellar Oscillations, Very Large Array (Vla)
Scientific paper
GX17+2 (4U 1813-14) is a bright X-ray binary in which matter is accreting on to a neutron star from a nearby companion. The authors report on simultaneous X-ray and radio observations which showed a connection between the spectral branches and the radio brightness. The 6-cm and 20-cm flux density increased by factors of 30±5 and 40±10, respectively, as the X-ray state changed from the so-called "flaring branch" to the "horizontal branch". They suspect that this X-ray/radio connection is common among bright low-mass X-ray binaries.
Lewin Walter H. G.
Mitsuda Kazuhisa
Paradijs Jan van
Penninx Wim
Zijlstra Albert A.
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