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Investigating the presence of 500 um submillimeter excess emission in local star forming galaxies
Allison Kirkpatrick, Daniela Calzetti, Maud Galametz +10
Submillimeter excess emission has been reported at 500 microns in a handful of local galaxies, and previous studies suggest that it could be correlated with metal abundance. We inv…
Star Formation On Sub-kpc Scale Triggered By Non-linear Processes In Nearby Spiral Galaxies
Rieko Momose, Jin Koda, Robert C. Kennicutt +8
We report a super-linear correlation for the star formation law based on new CO(=1-0) data from the CARMA and NOBEYAMA Nearby-galaxies (CANON) CO survey. The sample includes 10…
Evolution of Giant Molecular Clouds in Nearby Galaxies
Jin Koda
Studies of GMC evolution in galactic disks were limited to local, predominantly atom-rich small galaxies in the past, but have now been expanded to typical spiral galaxies with a r…
Towards understanding the relation between the gas and the attenuation in galaxies at kpc scales
M. Boquien, A. Boselli, V. Buat +13
[abridged] Aims. The aim of the present paper is to provide new and more detailed relations at the kpc scale between the gas surface density and the face-on optical depth directly…
Geometric Offsets Across Spiral Arms in M51: Nature of Gas and Star Formation Tracers
M. Louie, J. Koda, F. Egusa
We report measurements of geometric offsets between gas spiral arms and associated star forming regions in the grand-design spiral galaxy M51. These offsets are a suggested measure…
Physical Conditions in Molecular Clouds in the Arm and Interarm Regions of M51
J. Koda, N. Scoville, T. Hasegawa +10
We report systematic variations in the CO(2-1)/CO(1-0) line ratio (R) in M51. The ratio shows clear evidence for the evolution of molecular gas from the upstream interarm regions,…
Spatially resolved stellar, dust and gas properties of the post-interacting Whirlpool Galaxy system
Erin Mentuch Cooper, Christine D. Wilson, Kelly Foyle +15
Using infrared imaging from the Herschel Space Observatory, observed as part of the VNGS, we investigate the spatially resolved dust properties of the interacting Whirlpool galaxy…
The Universal Initial Mass Function In The XUV Disk of M83
Jin Koda, Masafumi Yagi, Samuel Boissier +5
We report deep Subaru Halpha observations of the XUV disk of M83. These new observations enable the first complete census of very young stellar clusters over the entire XUV disk. C…
Resolving the Far-IR Line Deficit: Photoelectric Heating and Far-IR Line Cooling in NGC 1097 and NGC 4559
Kevin V. Croxall, J. D. Smith, M. G. Wolfire +30
The physical state of interstellar gas and dust is dependent on the processes which heat and cool this medium. To probe heating and cooling of the ISM over a large range of infrare…
Herschel Far-Infrared and Sub-millimeter Photometry for the KINGFISH Sample of Nearby Galaxies
D. A. Dale, G. Aniano, C. W. Engelbracht +39
New far-infrared and sub-millimeter photometry from the Herschel Space Observatory is presented for 61 nearby galaxies from the Key Insights on Nearby Galaxies: A Far-Infrared Surv…
KINGFISH -- Key Insights on Nearby Galaxies: A Far-Infrared Survey with Herschel: Survey Description and Image Atlas
R. C. Kennicutt, D. Calzetti, G. Aniano +40
The KINGFISH project (Key Insights on Nearby Galaxies: a Far-Infrared Survey with Herschel) is an imaging and spectroscopic survey of 61 nearby (d < 30 Mpc) galaxies, chosen to cov…
Resolved Measurements of Xco in NGC 6946
Jennifer Donovan Meyer, Jin Koda, Rieko Momose +9
We present the largest sample to date of giant molecular clouds (GMCs) in a substantial spiral galaxy other than the Milky Way. We map the distribution of molecular gas with high r…
The Emission by Dust and Stars of Nearby Galaxies in the Herschel KINGFISH Survey
Ramin A. Skibba, Charles W. Engelbracht, Daniel Dale +29
Using new far-infrared imaging from the Herschel Space Observatory with ancillary data from ultraviolet to submillimeter wavelengths, we estimate the total emission from dust and s…
Calibrating Extinction-Free Star Formation Rate Diagnostics with 33GHz Free-Free Emission in NGC6946
E. J. Murphy, J. J. Condon, E. Schinnerer +20
Abridged: Using free-free emission measured in the Ka-band (26-40GHz) for 10 star-forming regions in the nearby galaxy NGC6946, including its starbursting nucleus, we compare a num…
The Super-linear Slope of the Spatially-Resolved Star Formation Law in NGC 3521 and NGC 5194 (M51a)
Guilin Liu, Jin Koda, Daniela Calzetti +2
We have conducted interferometric observations with CARMA and an OTF mapping with the 45-m telescope at NRO in the CO (J=1-0) emission line of NGC 3521. Combining these new data, t…
The Displaced Dusty ISM of NGC 3077: Tidal Stripping in the M 81 Triplet
Fabian Walter, Karin Sandstrom, G. Aniano +32
We present the detection of extended (~30 kpc^2) dust emission in the tidal \hi\ arm near NGC 3077 (member of the M\,81 triplet) using SPIRE on board Herschel. Dust emission in the…
Star formation efficiency in the Barred Spiral Galaxy NGC 4303
Rieko Momose, Sachiko K. Okumura, Jin Koda +1
We present new CO(J=1-0) observations of the barred galaxy NGC 4303 using the Nobeyama 45m telescope (NRO45) and the Combined Array for Research in Millimeter-wave Astronomy…
Molecular Gas Evolution across a Spiral Arm in M 51
Fumi Egusa, Jin Koda, Nick Scoville
We present sensitive and high angular resolution CO(1-0) data obtained by the Combined Array for Research in Millimeter-wave Astronomy (CARMA) observations toward the nearby grand-…
The Spitzer Survey of Stellar Structure in Galaxies (S^4G)
Kartik Sheth, Michael Regan, Joannah L. Hinz +35
The Spitzer Survey of Stellar Structure in Galaxies S^4G is an Exploration Science Legacy Program approved for the Spitzer post-cryogenic mission. It is a volume-, magnitude-, and…
Dynamically Driven Evolution of the Interstellar Medium in M51
J. Koda, N. Scoville, T. Sawada +20
We report the highest-fidelity observations of the spiral galaxy M51 in CO emission, revealing the evolution of giant molecular clouds (GMCs) vis-a-vis the large-scale galactic str…