2015MNRAS.452..502G

Query : 2015MNRAS.452..502G

2015MNRAS.452..502G - Mon. Not. R. Astron. Soc., 452, 502-510 (2015/September-1)

The Red Radio Ring: a gravitationally lensed hyperluminous infrared radio galaxy at z = 2.553 discovered through the citizen science project Space Warps.

GEACH J.E., MORE A., VERMA A., MARSHALL P.J., JACKSON N., BELLES P.-E., BESWICK R., BAETEN E., CHAVEZ M., CORNEN C., COX B.E., ERBEN T., ERICKSON N.J., GARRINGTON S., HARRISON P.A., HARRINGTON K., HUGHES D.H., IVISON R.J., JORDAN C., LIN Y.-T., LEAUTHAUD A., LINTOTT C., LYNN S., KAPADIA A., KNEIB J.-P., MacMILLAN C., MAKLER M., MILLER G., MONTANA A., MUJICA R., MUXLOW T., NARAYANAN G., O BRIAIN D., O'BRIEN T., OGURI M., PAGET E., PARRISH M., ROSS N.P., ROZO E., RUSU C.E., RYKOFF E.S., SANCHEZ-ARGUELLES D., SIMPSON R., SNYDER C., SCHLOERB F.P., TECZA M., WANG W.-H., VAN WAERBEKE L., WILCOX J., VIERO M., WILSON G.W., YUN M.S. and ZEBALLOS M.

Abstract (from CDS):

We report the discovery of a gravitationally lensed hyperluminous infrared galaxy (intrinsic LIR ~ 1013L☉) with strong radio emission (intrinsic L1.4GHz ~ 1025 W/ Hz) at z = 2.553. The source was identified in the citizen science project Space Warps through the visual inspection of tens of thousands of iJKs colour composite images of luminous red galaxies (LRGs), groups and clusters of galaxies and quasars. Appearing as a partial Einstein ring (re ~ 3 arcsec) around an LRG at z = 0.2, the galaxy is extremely bright in the sub-millimetre for a cosmological source, with the thermal dust emission approaching 1Jy at peak. The redshift of the lensed galaxy is determined through the detection of the CO(3->2) molecular emission line with the Large Millimetre Telescope's Redshift Search Receiver and through [OIII] and Hα line detections in the near-infrared from Subaru/Infrared Camera and Spectrograph. We have resolved the radio emission with high-resolution (300-400mas) eMERLIN L-band and Very Large Array C-band imaging. These observations are used in combination with the near-infrared imaging to construct a lens model, which indicates a lensing magnification of µ ~ 10. The source reconstruction appears to support a radio morphology comprised of a compact (<250pc) core and more extended component, perhaps indicative of an active nucleus and jet or lobe.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): methods: miscellaneous - galaxies: high-redshift

Nomenclature: Table 1: [GMV2015] GN (Nos G1-G2). Fig. 2: [GMV2015] A (Nos A-B). Text: [GMV2015] ASW0009io9.

Simbad objects: 10

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Number of rows : 10
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 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
2 ICRF J020826.3-004744 BLL 02 08 26.34590839 -00 47 44.2942993   18.1       ~ 43 1
3 SDSS J020941.23+001600.7 G 02 09 41.235 +00 16 00.76           ~ 3 0
4 SDSS J020941.27+001558.4 rG 02 09 41.2715543616 +00 15 58.553046000           ~ 9 0
5 HerS J020941.1+001557 G 02 09 41.3 +00 15 59           ~ 19 0
6 4C -02.09 Bla 02 15 42.01728739 -02 22 56.7526546   21.8 21.8 19.71   ~ 79 1
7 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
8 Mrk 668 BLL 14 07 00.39441712 +28 27 14.6901341   16.13 15.35 10.29   ~ 826 3
9 [GMV2015] A LeI ~ ~           ~ 1 0
10 [GMV2015] B LeI ~ ~           ~ 1 0

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