46 citations · 379 across the 35 of their papers we have counts for
35 papers
The ultra-deep HI radial profiles of late-type galaxies from MHONGOOSE
S. Veronese, W. J. G. de Blok, E. Brinks +4
Galaxy discs have a finite extent, yet how and where their neutral atomic hydrogen (HI) components end is not fully understood. The existence of a break in the HI disc at column de…
MIGHTEE-HI: HI catalogue of 293 sources for the COSMOS field and comparative study of 3-dimensional source finding methods
Michalina Maksymowicz-Maciata, Natasha Maddox, Catherine Hale +12
We present a catalogue of HI sources extracted from the MIGHTEE survey data cubes covering the COSMOS field. The catalogue contains 293 sources in the redshift range of 0.004 < z <…
HI absorption in MHONGOOSE -- Spin temperatures and cold neutral medium in nearby disk galaxies
W. J. G. de Blok, F. M. Maccagni, L. Chemin +7
Combined HI emission-absorption studies constrain the spin temperature and phase structure of the neutral atomic hydrogen interstellar medium (ISM), but have largely been limited t…
Tracing neutral hydrogen in UGCA 320: A MHONGOOSE perspective on an edge-on dwarf galaxy in a group environment
Nikki Zabel, D. J. Pisano, Sushma Kurapati +8
We present a detailed analysis of the neutral atomic gas (HI) in the dwarf galaxy UGCA 320, observed with the MeerKAT telescope as part of the MHONGOOSE (MeerKAT HI Observations of…
MIGHTEE-HI: Mass Models and Dark Matter properties
Anastasia A. Ponomareva, P. E. Mancera Piña, A. A. Vărăşteanu +17
Measuring galaxy rotation curves is critical for inferring the properties of dark-matter haloes in the Lambda Cold Dark Matter (CDM) paradigm. We present HI rotation curves and…
The GMRT archive atomic gas survey -- III. Comparative Study of Dark Matter Halos in Nearby Galaxies
Sougata Sarkar, Prerana Biswas, Veselina Kalinova +3
The distribution of dark matter in the inner regions of galaxies poses a key challenge for small-scale ΛCDM cosmology. While cold dark matter simulations predict cuspy inner densit…
Masses, Star-Formation Efficiencies, and Dynamical Evolution of 18,000 HII Regions
Debosmita Pathak, Adam K. Leroy, Ashley. T. Barnes +36
We present measurements of the masses associated with HII regions across 19 nearby star-forming galaxies by combining data from JWST, HST, MUSE, ALMA, VLA, and MeerKAT…
CHILES IX: Observational and Simulated HI Content and Star Formation of Blue Galaxies in Different Cosmic Web Environments
Nicholas Luber, Farhanul Hasan, J. H. van Gorkom +15
We examine the redshift evolution of the relationship between the neutral atomic hydrogen ({\HI}) content and star-formation properties of blue galaxies, along with their location…
Jet-mode feedback in NGC 5972: insights from resolved MUSE, GMRT and VLA observations
Arshi Ali, Biny Sebastian, Darshan Kakkad +10
NGC 5972, a Voorwerp galaxy, features a helical-shaped extended emission-line region (EELR) with a radius > 10 kpc and a S-shaped radio structure spanning about 470 kpc. We use VLT…
Uncovering Extraplanar Gas in UGCA 250 with the Ultra-deep MHONGOOSE Survey
Sushma Kurapati, D. J. Pisano, W. J. G. de Blok +28
We use the neutral atomic hydrogen (HI) observations of the edge-on galaxy UGCA 250, taken as part of the MeerKAT HI Observations of Nearby Galactic Objects - Observing Southern Em…
Searching for HI around MHONGOOSE Galaxies via Spectral Stacking
S. Veronese, W. J. G. de Blok, J. Healy +19
The observed star formation rates of galaxies in the Local Universe suggests that they are replenishing their gas reservoir across cosmic time. Cosmological simulations predict tha…
Revealing hidden structures in the Zone of Avoidance -- a blind MeerKAT HI Survey of the Vela Supercluster
Sambatriniaina H. A. Rajohnson, Renée C. Kraan-Korteweg, Bradley S. Frank +7
We conducted the MeerKAT Vela Supercluster survey, named VelaHI, to bridge the gap between the Vela SARAO MeerKAT Galactic Plane Survey (VelaSMGPS, $-2^{\circ} \leq b \leq 1^…
Neutral atomic and molecular gas dynamics in the nearby spiral galaxies NGC 1512, NGC 4535, and NGC 7496
Sebastian Laudage, Cosima Eibensteiner, Frank Bigiel +20
Neutral atomic gas (HI) effectively traces galactic dynamics across mid to large galactocentric radii. However, its limitations in observing small-scale changes within the central…
PHANGS-MeerKAT and MHONGOOSE HI observations of nearby spiral galaxies: physical drivers of the molecular gas fraction,
Cosima Eibensteiner, Jiayi Sun, Frank Bigiel +36
The molecular-to-atomic gas ratio is crucial to the evolution of the interstellar medium in galaxies. We investigate the balance between the atomic () and molecular gas…
MHONGOOSE discovery of a gas-rich low-surface brightness galaxy in the Dorado Group
F. M. Maccagni, W. J. G. de Blok, P. E. Mancera Piña +28
We present the discovery of a low-mass gas-rich low-surface brightness galaxy in the Dorado Group, at a distance of 17.7 Mpc. Combining deep MeerKAT 21-cm observations from the Mee…
HI Galaxy Signatures in the SARAO MeerKAT Galactic Plane Survey -- III. Unveiling the obscured part of the Vela Supercluster
Sambatriniaina H. A. Rajohnson, Renée C. Kraan-Korteweg, Hao Chen +8
We conducted a search for HI emission of the gas-rich galaxies in the Vela region () to explore the Vela S…
MHONGOOSE -- A MeerKAT Nearby Galaxy HI Survey
W. J. G. de Blok, J. Healy, F. M. Maccagni +57
The MHONGOOSE (MeerKAT HI Observations of Nearby Galactic Objects: Observing Southern Emitters) survey maps the distribution and kinematics of the neutral atomic hydrogen (HI) gas…
MIGHTEE-HI: HI galaxy properties in the large scale structure environment at z~0.37 from a stacking experiment
Francesco Sinigaglia, Giulia Rodighiero, Ed Elson +20
We present the first measurement of HI mass of star-forming galaxies in different large scale structure environments from a blind survey at . In particular, we carry ou…
HI Galaxy Signatures in the SARAO MeerKAT Galactic Plane Survey -- II. The Local Void and its substructure
Sushma Kurapati, Renée C. Kraan-Korteweg, D. J. Pisano +7
The Local Void is one of the nearest large voids, located at a distance of 23 Mpc. It lies largely behind the Galactic Bulge and is therefore extremely difficult to observe. We use…
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…
The SARAO MeerKAT 1.3 GHz Galactic Plane Survey
S. Goedhart, W. D. Cotton, F. Camilo +127
We present the SARAO MeerKAT Galactic Plane Survey (SMGPS), a 1.3 GHz continuum survey of almost half of the Galactic Plane (251° 358°and 2° 61°at $|b| \le 1.…
HI Studies of Extremely Metal Poor Dwarfs in Voids -- I
Sushma Kurapati, Simon A. Pustilnik, Evgeniya S. Egorova
We present and discuss the results of the Giant Metrewave Radio Telescope (GMRT) HI 21-cm line mapping for five isolated low-mass (M_bary ~(2--8)*10^7 Mo) eXtremely Metal Poor (XMP…
MIGHTEE-HI: The first MeerKAT HI mass function from an untargeted interferometric survey
Anastasia A. Ponomareva, Matt J. Jarvis, Hengxing Pan +17
We present the first measurement of the HI mass function (HIMF) using data from MeerKAT, based on 276 direct detections from the MIGHTEE Survey Early Science data covering a period…
MIGHTEE-\HI: Possible interactions with the galaxy NGC~895
Brenda Namumba, Javier Román, Jesus Falcon Barroso +29
The transformation and evolution of a galaxy is strongly influenced by interactions with its environment. Neutral hydrogen (\HI) is an excellent way to trace these interactions. He…