Optical detection of a GMRT-detected candidate high-redshift radio galaxy with 3.6-m Devasthal optical telescope
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Astrophysics and Astronomy"
DOI: 10.1007/s12036-019-9583-4
Abstract: We report optical observations of TGSS J1054+5832, a candidate high-redshift ($$z=4.8\pm 2$$z=4.8±2) steep-spectrum radio galaxy, in r and i bands, using the faint object spectrograph and camera mounted on 3.6-m Devasthal Optical Telescope (DOT). The… read more here.
Keywords: high redshift; galaxy; radio; telescope ... See more keywords
Multiwavelength study of the radio galaxy NGC 1275 with TACTIC, Fermi and Swift during December, 2016 – February, 2017
Sign Up to like & getrecommendations! Published in 2020 at "New Astronomy"
DOI: 10.1016/j.newast.2020.101402
Abstract: Abstract Located in the Perseus galaxy cluster, NGC 1275 ( z = 0.0179 ), is the brightest radio galaxy detected in both high energy (HE ; E > 100 MeV) and very high energy (VHE… read more here.
Keywords: radio galaxy; ngc 1275; 1275 tactic; december 2016 ... See more keywords
Analysis of Fermi-LAT observations, UHECRs and neutrinos from the radio galaxy Centaurus B
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2019/08/023
Abstract: Centaurus B (Cen B) is one of the closest and brightest radio-loud galaxy in the southern sky. This radio galaxy, proposed as a plausible candidate for accelerating ultra-high-energy cosmic rays (UHECRs), is near the highest-energy… read more here.
Keywords: energy; radio; analysis; fermi lat ... See more keywords
Non-thermal Sunyaev–Zeldovich signal from radio galaxy lobes
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab810
Abstract: Energetic electrons in the lobes of radio galaxies make them potential sources for not only radio and X-rays but also Sunyaev–Zeldovich (SZ) distortions in the cosmic microwave background (CMB) radiation. Previous works have discussed the… read more here.
Keywords: radio; non thermal; galaxy lobes; radio galaxy ... See more keywords
A non cool-core 4.6-keV cluster around the bright nearby radio galaxy PKS B1416-493
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx275
Abstract: We present new X-ray (Chandra) and radio (ATCA) observations of the z=0.09 radio galaxy PKS B1416-493, a member of the southern equivalent of the 3CRR sample. We find the source to be embedded in a… read more here.
Keywords: galaxy pks; pks b1416; non cool; radio ... See more keywords
Faraday rotation at low frequencies: magnetoionic material of the large FRII radio galaxy PKS J0636−2036
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty171
Abstract: We present a low-frequency, broadband polarization study of the FRII radio galaxy PKS J0636-2036 (z = 0.0551), using the Murchison Widefield Array (MWA) from 70 to 230 MHz. The northern and southern hotspots (separated by… read more here.
Keywords: galaxy pks; pks j0636; j0636 2036; frii radio ... See more keywords
PKS B1740$\mathbf {-}$517: An ALMA view of the cold gas feeding a distant interacting young radio galaxy
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty2852
Abstract: Cold neutral gas is a key ingredient for growing the stellar and central black hole mass in galaxies throughout cosmic history. We have used the Atacama Large Millimetre Array to detect a rare example of… read more here.
Keywords: radio; radio galaxy; pks b1740; gas ... See more keywords
Radio Galaxy Zoo: observational evidence for environment as the cause of radio source asymmetry
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty3070
Abstract: We investigate the role of environment on radio galaxy properties by constructing a sample of large (≳100 kpc), nearby (???? < 0.3) radio sources identified as part of the Radio Galaxy Zoo citizen science project.… read more here.
Keywords: galaxy; radio; radio galaxy; environment ... See more keywords
Transfer learning for radio galaxy classification
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz1883
Abstract: In the context of radio galaxy classification, most state-of-the-art neural network algorithms have been focused on single survey data. The question of whether these trained algorithms have cross-survey identification ability or can be adapted to… read more here.
Keywords: radio; transfer learning; galaxy classification; radio galaxy ... See more keywords
Radio galaxy detection in the visibility domain
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz977
Abstract: We explore a new Bayesian method of detecting galaxies from radio interferometric data of the faint sky. Working in the Fourier domain, we fit a single, parameterised galaxy model to simulated visibility data of star-forming… read more here.
Keywords: galaxy; visibility; galaxy detection; radio galaxy ... See more keywords