2020MNRAS.495L.108P

Query : 2020MNRAS.495L.108P

2020MNRAS.495L.108P - Mon. Not. R. Astron. Soc., 495, L108-L111 (2020)

The redshift and the host galaxy of the neutrino candidate 4FGL J0955.1+3551 (3HSP J095507.9+355101).

PAIANO S., FALOMO R., PADOVANI P., GIOMMI P., GARGIULO A., USLENGHI M., ROSSI A. and TREVES A.

Abstract (from CDS):

The BL Lac object 4FGL J0955.1+3551 has been suggested as a possible source of ultra-energetic neutrinos detected by the IceCube observatory. The target was observed in 2020 January at the Large Binocular Telescope. Our spectroscopy (4100-8500 Å) yields a firm redshift z = 0.557 as deduced by the absorption lines of the host galaxy. The upper limit of the minimum equivalent width on emission lines is ∼0.3 Å. From the source image, we are able to resolve the host galaxy for which we measure an absolute magnitude M(R) = -22.9 and Re = 8 kpc, which are values which are typical of the host galaxies of BL Lacs.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): neutrinos - galaxies: active - BL Lacertae objects: general - BL Lacertae objects: individual: 4FGL J0955.1+3551 - gamma-rays: galaxies

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PMN J0509+0541 BLL 05 09 25.9644373872 +05 41 35.333820420 15.32 14.95 14.78 15.12   ~ 589 2
2 RX J0955.1+3550 BLL 09 55 07.8818398488 +35 51 00.885435048   21.04 20.36 19.1   ~ 68 0

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