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HI Galaxy Signatures in the SARAO MeerKAT Galactic Plane Survey I. Probing the richness of the Great Attractor Wall across the inner Zone of Avoidance
Nadia Steyn, Renée C. Kraan-Korteweg, Sambatriniaina H. A. Rajohnson +7
This paper presents the first HI results extracted from the SARAO MeerKAT Galactic Plane Survey (SMGPS) a narrow strip () along the southern Milky Way. The prim…
ALMA Observations of Supernova Remnant N49 in the Large Magellanic Cloud. II. Non-LTE Analysis of Shock-heated Molecular Clouds
H. Sano, Y. Yamane, J. Th. van Loon +28
We present the first compelling evidence of shock-heated molecular clouds associated with the supernova remnant (SNR) N49 in the Large Magellanic Cloud (LMC). Using CO( =…
WALLABY Pre-Pilot Survey: Ultra-Diffuse Galaxies in the Eridanus Supergroup
B. -Q. For, K. Spekkens, L. Staveley-Smith +12
We present a pilot study of the atomic neutral hydrogen gas (HI) content of ultra-diffuse galaxy (UDG) candidates. In this paper, we use the pre-pilot Eridanus field data from the…
WALLABY Pilot Survey: The diversity of HI structural parameters in nearby galaxies
T. N. Reynolds, B. Catinella, L. Cortese +22
We investigate the diversity in the sizes and average surface densities of the neutral atomic hydrogen (HI) gas discs in ~280 nearby galaxies detected by the Widefield ASKAP L-band…
RRAT J1913+1330: an extremely variable and puzzling pulsar
S. B. Zhang, J. J. Geng, J. S. Wang +26
Rotating Radio Transients (RRATs) are neutron stars that emit sporadic radio bursts. We detected 1955 single pulses from RRAT J1913+1330 using the 19-beam receiver of the Five-hund…
FAST-ASKAP Synergy: Quantifying Coexistent Tidal and Ram Pressure Strippings in the NGC 4636 Group
Xuchen Lin, Jing Wang, Virginia Kilborn +27
Combining new HI data from a synergetic survey of ASKAP WALLABY and FAST with the ALFALFA data, we study the effect of ram pressure and tidal interactions in the NGC 4636 group. We…
FEASTS: IGM cooling triggered by tidal interactions through the diffuse HI phase around NGC 4631
Jing Wang, Dong Yang, Se-Heon Oh +14
We use the single-dish radio telescope FAST to map the HI in the tidally interacting NGC 4631 group with a resolution of 3.24 (7 kpc), reaching a 5- column density limit of $…
Large-scale motions and growth rate from forward-modelling Tully-Fisher peculiar velocities
Paula Boubel, Matthew Colless, Khaled Said +1
Peculiar velocities are an important probe of the mass distribution in the Universe and the growth rate of structure, directly measuring the effects of gravity on the largest scale…