55 citations · 234 across the 25 of their papers we have counts for
14 papers · 1 filter
Tracing Cold Gas in Absorption Across Cosmic Time with the SKA
Elizabeth K. Mahony, Neeraj Gupta, Sergei A. Balashev +12
Observing the 21-cm HI line in absorption provides a powerful means of tracing the cold neutral gas in normal and active galaxies across cosmic time. The frequency coverage and sen…
Investigating the Impacts of AGN Activities on Dwarf Galaxies with FAST HI Observations
Hong-Ying Chen, Chao-Wei Tsai, Pei Zuo +9
We present the results of Hi line observations towards 26 Active Galactic Nuclei (AGN)-hosting and one star-forming dwarf galaxies (Mstar < 10^9.5 Msun) with the 19-beam spectral l…
FAST H I 21 cm study of blueberry galaxies
Yogesh Chandola, Chao-Wei Tsai, D. J. Saikia +3
Green Peas (GPs) and blueberry galaxies (BBs) are thought to be local analogs (0.1) of high redshift Ly emitters. H I study of these can help us understand the star formatio…
Deep extragalactic HI survey of the COSMOS field with FAST
Hengxing Pan, Matt J. Jarvis, Ming Zhu +9
We present a deep HI survey at L-band conducted with the Five-hundred-meter Aperture Spherical radio Telescope (FAST) over the COSMOS field. This survey is strategically designed t…
FAST survey of H I and OH absorption towards extragalactic radio sources
Yogesh Chandola, D. J. Saikia, Yin-Zhe Ma +5
Neutral atomic hydrogen and molecular gas in the host galaxies of radio active galactic nuclei (AGN) can be traced using H I 21-cm and OH-1667 MHz absorption lines to understand th…
H I content of selected mid-infrared bright, starburst blue compact dwarf galaxies
Yogesh Chandola, Di Li, Chao-Wei Tsai +10
We report measurements of H I content in 11 nearby, actively star-forming, blue compact dwarf galaxies (BCDs) from 21 cm observations with the Arecibo telescope. These BCDs, select…
GMRT H I mapping of mid-infrared bright Blue Compact Dwarf Galaxies W1016+3754 & W2326+0608
Yogesh Chandola, Chao-Wei Tsai, Di Li +3
We present the results from deep 21 cm H I mapping of two nearby blue compact dwarf galaxies (BCDGs), W1016+3754 and W2326+0608, using the Giant Metrewave Radio Telescope (GMRT). T…
Does a radio jet drive the massive multi-phase outflow in the ultra-luminous infrared galaxy IRAS 10565+2448?
Renzhi Su, Elizabeth K. Mahony, Minfeng Gu +14
We present new upgraded Giant Metrewave Radio Telescope (uGMRT) HI 21-cm observations of the ultra-luminous infrared galaxy IRAS 10565+2448, previously reported to show blueshifted…
HIPASS study of southern ultradiffuse galaxies and low surface brightness galaxies
Yun-Fan Zhou, Chandreyee Sengupta, Yogesh Chandola +4
We present results from an HI counterpart search using the HI Parkes All Sky Survey (HIPASS) for a sample of low surface brightness galaxies (LSBGs) and ultradiffuse galaxies (UDGs…
Compact and variable radio emission from an active galaxy with supersoft X-ray emission
Lei Yang, Xinwen Shu, Fabao Zhang +15
RX J1301.9+2747 is a unique active galaxy with supersoft X-ray spectrum that lacks significant emission at energies above 2 keV. In addition, it is one of few galaxies displaying q…
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…
H I absorption towards radio Active Galactic Nuclei of different accretion modes
Yogesh Chandola, D. J. Saikia, Di Li
We present results of H I absorption experiment done using the Giant Metrewave Radio Telescope (GMRT) towards 27 low- and intermediate-luminosity ( 10…
HI absorption towards low luminosity radio-loud AGNs of different accretion modes and WISE colours
Yogesh Chandola, D. J. Saikia
H{\sc i} absorption studies of active galaxies enable us to probe their circumnuclear regions and the general interstellar medium, and study the supply of gas which may trigger the…
Associated H{\sc i} absorption towards the core of the radio galaxy 3C 321
Yogesh Chandola, S. K. Sirothia, D. J. Saikia +1
We report the results of Giant Metrewave Radio Telescope (GMRT) observations of H{\sc i} absorption towards the FRII radio galaxy 3C321 (J1531+2404), which is associated with an ac…