output
19922026
most citedNeutrino Masses and Leptogenesis with Heavy Higgs Triplets

518 citations

Showing 2020 · astro-ph.GAShow all

15 papers · 2 filters

astro-ph.GA2020★ 49 cited

Physical insights from the spectrum of the radio halo in MACS J0717.5+3745

K. Rajpurohit, G. Brunetti, A. Bonafede +18

We present new LOFAR observations of the massive merging galaxy cluster MACS J0717.5+3745. The cluster hosts the most powerful radio halo known to date. These new observations, in…

astro-ph.GA2020★ 22 cited

The Relativistic Jet Orientation and Host Galaxy of the Peculiar Blazar PKS 1413+135

A. C. S. Readhead, V. Ravi, I. Liodakis +26

PKS 1413+135 is one of the most peculiar blazars known. Its strange properties led to the hypothesis almost four decades ago that it is gravitationally lensed by a mass concentrati…

astro-ph.GA2020★ 36 cited

Understanding the radio relic emission in the galaxy cluster MACS J0717.5+3745: spectral analysis

K. Rajpurohit, D. Wittor, R. J. van Weeren +21

Radio relics are diffuse, extended synchrotron sources that originate from shock fronts generated during cluster mergers. The massive merging galaxy cluster MACS J0717.5+3745 hosts…

astro-ph.GA2020★ 16 cited

uGMRT detection of associated HI 21 cm absorption at

J. N. H. S. Aditya, Regina Jorgenson, Vishal Joshi +3

We report a uGMRT detection of HI 21-cm absorption associated with the radio source 8C 0604+728, at . The source is at the highest redshift at which associated HI 21-c…

astro-ph.GA2020★ 12 cited

Testing the star formation scaling relations in the clumps of the North American and Pelican cloud complexes

Swagat R. Das, Jessy Jose, Manash R Samal +2

The processes which regulate the star-formation within molecular clouds are still not well understood. Various star-formation scaling relations have been proposed to explain this i…

astro-ph.GA2020★ 37 cited

New insights in the HII region G18.88-0.49: hub-filament system and accreting filaments

L. K. Dewangan, D. K. Ojha, Saurabh Sharma +3

We present an analysis of multi-wavelength observations of an area of 0.27 deg x 0.27 deg around the Galactic HII region G18.88-0.49, which is powered by an O-type star (age ~10^5…

astro-ph.GA2020★ 42 cited

CHIMPS2: Survey description and CO emission in the Galactic Centre

D. J. Eden, T. J. T. Moore, M. J. Currie +103

The latest generation of Galactic-plane surveys is enhancing our ability to study the effects of galactic environment upon the process of star formation. We present the first data…

astro-ph.GA2020★ 19 cited

The First Mid-Infrared Detection of HNC in the Interstellar Medium: Probing the Extreme Environment Towards the Orion Hot Core

Sarah Nickerson, Naseem Rangwala, Sean Colgan +7

We present the first mid-infrared (MIR) detections of HNC and H13CN in the interstellar medium, and numerous, resolved HCN rovibrational transitions. Our observations span 12.8 to…

astro-ph.GA2020★ 25 cited

The PDR structure and kinematics around the compact HII regions S235A and S235C with [CII], [13CII], [OI] and HCO+ line profiles

M. S. Kirsanova, V. Ossenkopf-Okada, L. D. Anderson +11

The aim of the present work is to study structure and gas kinematics in the photodissociation regions (PDRs) around the compact HII regions S235A and S235C. We observe the [CII], […

astro-ph.GA2020★ 26 cited

Star-forming sites IC 446 and IC 447: an outcome of end-dominated collapse of Monoceros R1 filament

N. K. Bhadari, L. K. Dewangan, L. E. Pirogov +1

We present an analysis of multi-wavelength observations of Monoceros R1 (Mon R1) complex (at d ~760 pc). An elongated filament (length ~14 pc, mass ~1465 Msun) is investigated in t…

astro-ph.GA2020★ 9 cited

Probing the physical conditions and star formation processes in the Galactic HII region S305

L. K. Dewangan, Saurabh Sharma, Rakesh Pandey +5

We present multi-scale and multi-wavelength observations of the Galactic HII region S305, which is excited by massive O8.5V and O9.5V stars. Infrared images reveal an extended sphe…

astro-ph.GA2020★ 11 cited

Uncovering distinct environments in an extended physical system around the W33 complex

L. K. Dewangan, T. Baug, D. K. Ojha

We present a multi-wavelength investigation of a large-scale physical system containing the W33 complex. The extended system (~50 pc x 37 pc) is selected based on the distribution…

astro-ph.GA2020★ 10 cited

A Systematic Study on the Absorption Features of Interstellar Ices in Presence of Impurities

Prasanta Gorai, Milan Sil, Ankan Das +12

Spectroscopic studies play a key role in the identification and analysis of interstellar ices and their structure. Some molecules have been identified within the interstellar ices…

astro-ph.GA2020★ 1 cited

Investigating the physical conditions in extended system hosting mid-infrared bubble N14

L. K. Dewangan, T. Baug, L. E. Pirogov +1

To observationally explore physical processes, we present a multi-wavelength study of a wide-scale environment toward l = 13.7 - 14.9 degrees containing a mid-infrared bubble N14.…

astro-ph.GA2020★ 14 cited

PKS 2250351: A Giant Radio Galaxy in Abell 3936

N. Seymour, M. Huynh, S. S. Shabala +27

We present a detailed analysis of the radio galaxy PKS 2250-351, a giant of 1.2 Mpc projected size, its host galaxy, and its environment. We use radio data from the Murchison Widef…