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
A jet-induced shock in a young, powerful radio galaxy at z = 3.00
Sign Up to like & getrecommendations! Published in 2024 at "Publications of the Astronomical Society of Australia"
DOI: 10.1017/pasa.2024.101
Abstract: Abstract The bright radio source, GLEAM J091734 $-$ 001243 (hereafter GLEAM J0917 $-$ 0012), was previously selected as a candidate ultra-high redshift ( $z \gt 5$ ) radio galaxy due to its compact radio size… read more here.
Keywords: lambda; radio galaxy; jet; radio ... 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
HI gas in the rejuvenated radio galaxy PKS 2014-55
Sign Up to like & getrecommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staf1452
Abstract: We present new high-spectral-resolution MeerKAT observations of $\textrm {H}\, \scriptstyle \mathrm{I}$ absorption against the central region of the restarted, giant, X-shaped radio galaxy PKS2014-55, which exhibits morphological evidence of three distinct cycles of activity. We… read more here.
Keywords: radio galaxy; textrm scriptstyle; radio; kms ... See more keywords
Radio Galaxy Zoo: Morphological classification by Fanaroff-Riley designation using self-supervised pre-training
Sign Up to like & getrecommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staf1942
Abstract: In this study, we examine over 14,000 radio galaxies finely selected from Radio Galaxy Zoo (RGZ) project and provide classifications for approximately 5,900 FRIs and 8,100 FRIIs. We present an analysis of these predicted radio… read more here.
Keywords: classification; radio; radio galaxy; pre training ... 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