INT WFC follow-up photometry of the Intracluster Supernova SN2018ctv in Abell 0194

ATel #12313; D. Moral-Pombo (ULL), G. Panizo-Espinar (ULL), J. Sanchez-Sierras (ULL), E. A. Diaz-Suarez (ULL), A. Alvarez-Hernandez (ULL), A. Alvarez-Saavedra (ULL), P. Carro-Portos (ULL), R. M. Doblas-Cabezas (ULL), M. Fernandez-Torreiro (ULL), E. M. Garcia-Zamora (ULL), A. Hernandez-Garcia (ULL & IAC), M. Mallorquin (ULL), J. E. Mendez-Delgado (ULL & IAC), M. A. Nuñez-Cagigal (ULL & IAC), D. SanJulian-Jacques (ULL), H. Villegas-Beberide (ULL), L. Monteagudo (ING) and I. Perez-Fournon (ULL & IAC)
on 20 Dec 2018; 20:26 UT
Credential Certification: Ismael Perez-Fournon (ipf@iac.es)

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We report multi-band photometry of the supernova SN2018ctv (= ASASSN-18nt) (= PS18bjm) (= ATLAS18rso) located in the intracluster medium of the galaxy cluster Abell 0194 based on CCD images taken with the Wide Field Camera of the Isaac Newton Telescope (Roque de los Muchachos Observatory, La Palma), from 2018 Oct 13.111 UT to 2018 Oct 13.117 UT. The discovery of this supernova was reported to TNS by Ping Cheng et al. based on observations by the All Sky Automated Survey for SuperNovae (ASAS-SN) on 2018-06-21 04:19:12.

The SN position based on the INT images, calibrated using the Gaia DR2 catalog is RA (J2000) = 01:25:52.042, Dec (J2000) = -01:22:01.6.7 The INT Wide Field Camera magnitudes of SN 2018ctv, calibrated using Pan-STARRS1 are:

INT - Wide Field Camera:
g=21.17 +/- 0.06 (2018 Oct 13.114) - (Exp. time: 120s)
r=22.1 +/- 0.2 (2018 Oct 13.116) - (Exp. time: 120s)
i=21.3 +/- 0.2 (2018 Oct 13.111) - (Exp. time: 120s)
(Sloan filters)

The analysis of archival HST imaging shows that SN2018ctv is not associated with any obvious galaxy in the Abell 0194 cluster. As it is shown in the figure linked below, SN2018ctv lies south of the main intracluster light bridge between the galaxy pair NGC545+547 and NGC541.

Based on observations made with the Isaac Newton Telescope operated on the island of La Palma by the Isaac Newton Group of Telescopes in the Observatorio del Roque de los Muchachos.

INT Wide Field Camera and HST WFC3/IR images