2018A&A...610L...8K


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.21CET03:45:20

2018A&A...610L...8K - Astronomy and Astrophysics, volume 610, L8-8 (2018/2-1)

Investigating source confusion in PMN J1603-4904.

KRAUSS F., KRETER M., MULLER C., MARKOWITZ A., BOCK M., BURNETT T., DAUSER T., KADLER M., KREIKENBOHM A., OJHA R. and WILMS J.

Abstract (from CDS):

PMN J1603-4904 is a likely member of the rare class of γ-ray emitting young radio galaxies. Only one other source, PKS 1718-649, has been confirmed so far. These objects, which may transition into larger radio galaxies, are a stepping stone to understanding AGN evolution. It is not completely clear how these young galaxies, seen edge-on, can produce high-energy γ rays. PMN J1603-4904 has been detected by TANAMI Very Long Baseline Interferometry (VLBI) observations and has been followed-up with multiwavelength observations. A Fermi Gamma-ray Space Telescope Large Area Telescope (Fermi-LAT) γ-ray source has been associated with this young galaxy in the LAT catalogs. We have obtained Chandra observations of the source to consider the possibility of source confusion due to the relatively large positional uncertainty of Fermi-LAT. The goal was to investigate the possibility of other X-ray bright sources in the vicinity of PMN J1603-4904 that could be counterparts to the γ-ray emission. With Chandra/ACIS, we find no other sources in the uncertainty ellipse of Fermi-LAT data, which includes an improved localization analysis of eight years of data. We further study the X-ray fluxes and spectra. We conclude that PMN J1603-4904 is indeed the second confirmed γ-ray bright young radio galaxy.

Abstract Copyright: © ESO 2018

Journal keyword(s): galaxies: active - galaxies: jets - Galaxy: abundances - galaxies: individual: PMN J1603-4904

Simbad objects: 5

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Number of rows : 5

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 M 81 Sy2 09 55 33.17306143 +69 03 55.0609270   7.89 6.94     ~ 3916 5
2 4C 55.17 QSO 09 57 38.1845058338 +55 22 57.750865288   18.24 17.89     ~ 371 1
3 QSO B1413+135 BLL 14 15 58.81750938 +13 20 23.7129069   21.055 20.000 18.461   ~ 372 1
4 PMN J1603-4904 QSO 16 03 50.690 -49 04 05.49   20.67       ~ 51 0
5 NGC 6328 QSO 17 23 41.02938963 -65 00 36.6113150   13.17 13.2 11.45 12.2 ~ 198 1

    Equat.    Gal    SGal    Ecl

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2020.01.21-03:45:20

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