SIMBAD references

1999ApJ...523L..37H - Astrophys. J., 523, L37-L40 (1999/September-3)

Where is Sgr 1806-20 ?

HURLEY K., KOUVELIOTOU C., CLINE T., MAZETS E., GOLENETSKII S., FREDERIKS D.D. and VAN PARADIJS J.

Abstract (from CDS):

We apply a statistical method to derive very precise locations for soft gamma repeaters using data from the interplanetary network. We demonstrate the validity of the method by deriving a 600 arcsec2 error ellipse for SGR 1900+14 whose center agrees well with the VLA source position. We then apply it to SGR 1806-20, for which we obtain a 230 arcsec2 error ellipse, the smallest burst error box to date. We find that the most likely position of the source has a small but significant displacement from that of the nonthermal core of the radio supernova remnant G10.0-0.3, which was previously thought to be the position of the repeater. We propose a different model to explain the changing supernova remnant morphology and the positions of the luminous blue variable and the bursting source.

Abstract Copyright:

Journal keyword(s): Gamma Rays: Bursts - Stars: Neutron - ISM: Supernova Remnants - X-Rays: Stars

Simbad objects: 7

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2019.09.16-23:19:31

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