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The ALMaQUEST Survey XV: The Dependence of the Molecular-to-Atomic Gas Ratios on Resolved Optical Diagnostics
Niankun Yu, Zheng Zheng, Chao-Wei Tsai +14
The atomic-to-molecular gas conversion is a critical step in the baryon cycle of galaxies, which sets the initial conditions for subsequent star formation and influences the multi-…
Conditional HI mass functions and the HI-to-halo mass relation in the local Universe
Xiao Li, Cheng Li, H. J. Mo +2
We present a new HI mass estimator which relates the HI-to-stellar mass ratio to four galaxy properties: stellar surface mass density, color index , stellar mass and concentra…
The cold gas and dust properties of red star-forming galaxies
Ryan Chown, Laura C. Parker, Christine D. Wilson +9
We study the cold gas and dust properties for a sample of red star forming galaxies called "red misfits." We collect single-dish CO observations and HI observations from representa…
Dust grain size evolution in local galaxies: a comparison between observations and simulations
M. Relano, I. De Looze, A. Saintonge +13
The evolution of the dust grain size distribution has been studied in recent years with great detail in cosmological hydrodynamical simulations taking into account all the channels…
ALMaQUEST -- IV. The ALMA-MaNGA QUEnching and STar formation (ALMaQUEST) Survey
Lihwai Lin, Sara L. Ellison, Hsi-An Pan +20
The ALMaQUEST (ALMA-MaNGA QUEnching and STar formation) survey is a program with spatially-resolved CO(1-0) measurements obtained with the Atacama Large Millimeter Array (AL…
JINGLE -- IV. Dust, HI gas and metal scaling laws in the local Universe
I. De Looze, I. Lamperti, A. Saintonge +29
Scaling laws of dust, HI gas and metal mass with stellar mass, specific star formation rate and metallicity are crucial to our understanding of the buildup of galaxies through thei…
SDSS-IV MaNGA: the indispensable role of bars in enhancing the central star formation of low- galaxies
Lin Lin, Cheng Li, Cheng Du +8
We analyse two-dimensional maps and radial profiles of EW(H), EW(H), and D(4000) of low-redshift galaxies using integral field spectroscopy from the MaNGA survey. Out o…
Estimating the molecular gas mass of low-redshift galaxies from a combination of mid-infrared luminosity and optical properties
Yang Gao, Ting Xiao, Cheng Li +17
We present CO(J=1-0) and/or CO(J=2-1) spectroscopy for 31 galaxies selected from the ongoing MaNGA survey, obtained with multiple telescopes. This sample is combined with CO observ…
JINGLE V: Dust properties of nearby galaxies derived from hierarchical Bayesian SED fitting
Isabella Lamperti, Amélie Saintonge, Ilse De Looze +18
We study the dust properties of 192 nearby galaxies from the JINGLE survey using photometric data in the 22-850micron range. We derive the total dust mass, temperature T and emissi…
JINGLE, a JCMT legacy survey of dust and gas for galaxy evolution studies: II. SCUBA-2 850 μm data reduction and dust flux density catalogues
Matthew W. L. Smith, Christopher J. R. Clark, Ilse De Looze +33
We present the SCUBA-2 850 component of JINGLE, the new JCMT large survey for dust and gas in nearby galaxies, which with 193 galaxies is the largest targeted survey of nearby…
The Effect of Galaxy Interactions on Molecular Gas Properties
Hsi-An Pan, Lihwai Lin, Bau-Ching Hsieh +26
Galaxy interactions are often accompanied by an enhanced star formation rate (SFR). Since molecular gas is essential for star formation, it is vital to establish whether, and by ho…
Linking bar- and interaction-driven molecular gas concentration with centrally-enhanced star formation in EDGE-CALIFA galaxies
Ryan Chown, Cheng Li, E. Athanassoula +6
We study the spatially resolved star formation history and molecular gas distribution of 58 nearby galaxies, using integral field spectroscopy from the CALIFA survey and CO $J=1\ri…
JINGLE, a JCMT legacy survey of dust and gas for galaxy evolution studies: I. Survey overview and first results
Amelie Saintonge, Christine D. Wilson, Ting Xiao +88
JINGLE is a new JCMT legacy survey designed to systematically study the cold interstellar medium of galaxies in the local Universe. As part of the survey we perform 850um continuum…
SDSS IV MaNGA: Dependence of Global and Spatially-resolved SFR-M* Relations on Galaxy Properties
Hsi-An Pan, Lihwai Lin, Bau-Ching Hsieh +14
Galaxy integrated Hα star formation rate-stellar mass relation, or SFR(global)-M*(global) relation, is crucial for understanding star formation history and evolution of galaxies. H…
Resolved star formation and molecular gas properties of green valley galaxies: a first look with ALMA and MaNGA
Lihwai Lin, Francesco Belfiore, Hsi-An Pan +21
We study the role of cold gas in quenching star formation in the green valley by analysing ALMA CO (1-0) observations of three galaxies with resolved optical spectroscopy fr…
SDSS-IV MaNGA: Star formation cessation in low-redshift galaxies I. Dependence on stellar mass and structural properties
Enci Wang, Cheng Li, Ting Xiao +8
We investigate radial gradients in the recent star formation history (SFH) using 1917 galaxies with and integral-field spectroscopy from the ongoing MaNGA survey. For…
The peculiar filamentary HI structure of NGC 6145
Enci Wang, Jing Wang, Xu Kong +5
In this paper, we report the peculiar HI morphology of the cluster spiral galaxy NGC 6145, which has a 150 kpc HI filament on one side that is nearly parallel to its major axis. Th…
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment
Bela Abolfathi, D. S. Aguado, Gabriela Aguilar +344
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourtee…
Mid-infrared flare of TDE candidate PS16dtm: dust echo and implications for the spectral evolution
Ning Jiang, Tinggui Wang, Lin Yan +6
PS16dtm was classified as a candidate tidal disruption event (TDE) in a dwarf Seyfert 1 galaxy with low-mass black hole () and has presented various intriguing phot…
SDSS IV MaNGA: Discovery of an blob associated with a dry galaxy pair -- ejected gas or a `dark' galaxy candidate?
Lihwai Lin, Jing-Hua Lin, Chin-Hao Hsu +31
We report the discovery of a mysterious giant blob that is kpc away from the main MaNGA target 1-24145, one component of a dry galaxy merger, identified in the first…
A Ringed Dwarf LINER 1 Galaxy Hosting an Intermediate-mass Black Hole with Large-scale Rotation-like Hα Emission
Wen-Juan Liu, Lei Qian, Xiao-Bo Dong +7
We report the discovery of a 20-kpc-sized Hα emission in SDSS J083803.68+540642.0, a ringed dwarf galaxy (M = -17.89 mag) hosting an accreting intermediate-mass black hole at z…
Bar-induced central star formation as revealed by integral field spectroscopy from CALIFA
Lin Lin, Cheng Li, Yanqin He +2
We investigate the recent star formation history (SFH) in the inner region of 57 nearly face-on spiral galaxies selected from the Calar Alto Legacy Integral Field Area (CALIFA) sur…
An HI View of Galaxy Conformity: HI-rich Environment around HI-excess Galaxies
Jing Wang, Paolo Serra, Gyula I. G. Jozsa +9
Using data taken as part of the Bluedisk project we study the connection between neutral hydrogen (HI) in the environment of spiral galaxies and that in the galaxies themselves. We…
P-MaNGA: Full spectral fitting and stellar population maps from prototype observations
David M. Wilkinson, Claudia Maraston, Daniel Thomas +31
MaNGA (Mapping Nearby Galaxies at Apache Point Observatory) is a 6-year SDSS-IV survey that will obtain resolved spectroscopy from 3600 to 10300 for a representative sample…