Optical and radio astrometry of the galaxy associated with FRB 150418
Date Issued
2016
Author(s)
Bassa, C. G.
•
Beswick, R.
•
Tingay, S. J.
•
Keane, E. F.
•
Bhandari, S.
•
Johnston, S.
•
Totani, T.
•
Tominaga, N.
•
Yasuda, N.
•
Stappers, B. W.
•
Barr, E. D.
•
Kramer, M.
•
Abstract
A fading radio source, coincident in time and position with the fast radio burst FRB 150418, has been associated with the galaxy WISE J071634.59-190039.2. Subsequent observations of this galaxy have revealed that it contains a persistent, but variable, radio source. We present e-Multi-Element Radio Linked Interferometer Network, Very Long Baseline Array, and Australia Telescope Compact Array radio observations and Subaru optical observations of WISE J071634.59-190039.2 and find that the persistent radio source is unresolved and must be compact (<0.01 kpc), and that its location is consistent with the optical centre of the galaxy. We conclude that it is likely that WISE J071634.59-190039.2 contains a weak radio active galactic nucleus.
Volume
463
Issue
1
Start page
L36
Issn Identifier
1745-3925
Ads BibCode
2016MNRAS.463L..36B
Rights
open.access
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