Difference: GCNCIRCULAR21576 ( vs. 1)

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META TOPICPARENT	name="LVCGCNs"

TITLE: GCN CIRCULAR
NUMBER: 21576
SUBJECT: LIGO/Virgo G298048: prior photometry from VISTA Hemisphere Survey
DATE: 17/08/18 21:16:32 GMT
FROM: Nial Tanvir at U of Leicester <nrt3@le.ac.uk>

N. R. Tanvir (U. Leicester), A. J. Levan, D. Steeghs (U. Warwick) report:

We note that the field of NGC 4993 was observed as part of the VISTA Hemisphere Survey on 9 April 2014. No source is visible at the location of the candidate counterpart (Coulter et al. LVC GCN 21529). We obtain a 3-sigma upper limit of J(AB)=21.6, significantly fainter than the provisional magnitude of J(AB)=17.5+/-0.1 reported for the infrared transient (Tanvir et al. LVC GCN 21544).

-- ShaonGhosh - 18 Aug 2017

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