Infrared Observations of an Energetic Outburst in GRS 1915+105

Details Infrared Observations of an Energetic Outburst in GRS 1915+105 Infrared Observations of an Energetic Outburst in GRS 1915+105

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...472l.111m&link_type=abstract

Astrophysical Journal Letters v.472, p.L111

Astronomy and Astrophysics

Astronomy

33

Infrared: Stars, Radio Continuum: Stars, Stars: Individual Alphanumeric: Grs 1915+105, X-Rays: Bursts, X-Rays: Stars

Scientific paper

In the course of an intense X-ray and radio outburst of GRS 1915+105, we observed a pair of radio-emitting clouds emerging from the compact core in opposite directions at relativistic speeds. At near-infrared wavelengths we observed the time-delayed reverberation of this radio flare/ejection event. Five days after the radio outburst, the source became redder as it brightened by ~1 mag in K(2.2 mu m), which suggests the appearance of a warm dust component. The enhanced infrared emission was close to 10% of the X-ray luminosity of the source and amounts to about 0.1% of the typical kinetic energy in the bulk motion of the relativistic ejecta in GRS 1915+105.

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