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Kiloparsec-scale radio emission in Seyfert and LINER galaxies
Veeresh Singh, C. H. Ishwara-Chandra, Yogesh Wadadekar +2
Seyfert and LINER galaxies are known to exhibit compact radio emission on 10 to 100 parsec scales, but larger Kiloparsec-Scale Radio structures (KSRs) often remain undetecte…
Pressure distribution of the high-redshift cluster of galaxies CL J1226.9+3332 with NIKA
R. Adam, B. Comis, J. -F. Macías-Pérez +37
The thermal Sunyaev-Zel'dovich (tSZ) effect is expected to provide a low scatter mass proxy for galaxy clusters since it is directly proportional to the cluster thermal energy. The…
High resolution SZ observations at the IRAM 30-m telescope with NIKA
R. Adam, A. Adane, P. Ade +36
High resolution observations of the thermal Sunyaev-Zel'dovich (tSZ) effect are necessary to allow the use of clusters of galaxies as a probe for large scale structures at high red…
The NIKA 2012-2014 observing campaigns: control of systematic effects and results
A. Catalano, R. Adam, A. Adane +35
The New IRAM KID Array (NIKA) is a dual-band camera operating with frequency multiplexed arrays of Lumped Element Kinetic Inductance Detectors (LEKIDs) cooled to 100 mK. NIKA is de…
Multiwavelength characterization of faint Ultra Steep Spectrum radio sources : A search for high-redshift radio galaxies
Veeresh Singh, Alexandre Beelen, Yogesh Wadadekar +9
Ultra Steep Spectrum (USS) radio sources are one of the efficient tracers of powerful High-z Radio Galaxies (HzRGs). In contrast to searches for powerful HzRGs from radio surveys o…
Detection of chloronium and measurement of the 35Cl/37Cl isotopic ratio at z=0.89 toward PKS1830-211
S. Muller, J. H. Black, M. Guelin +11
We report the first extragalactic detection of chloronium (H2Cl+), in the z=0.89 absorber in front of the lensed blazar PKS1830-211. The ion is detected through its 1_11-0_00 line…