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PHANGS-JWST First Results: Stellar Feedback-Driven Excitation and Dissociation of Molecular Gas in the Starburst Ring of NGC 1365?
Daizhong Liu, Eva Schinnerer, Yixian Cao +36
We compare embedded young massive star clusters (YMCs) to (sub-)millimeter line observations tracing the excitation and dissociation of molecular gas in the starburst ring of NGC 1…
Peekaboo: the extremely metal poor dwarf galaxy HIPASS J1131-31
I. D. Karachentsev, L. N. Makarova, B. S. Koribalski +3
The dwarf irregular galaxy HIPASS J1131-31 was discovered as a source of HI emission at low redshift in such close proximity of a bright star that we call it Peekaboo. The galaxy r…
The PHANGS-JWST Treasury Survey: Star Formation, Feedback, and Dust Physics at High Angular resolution in Nearby GalaxieS
Janice C. Lee, Karin M. Sandstrom, Adam K. Leroy +74
The PHANGS collaboration has been building a reference dataset for the multi-scale, multi-phase study of star formation and the interstellar medium in nearby galaxies. With the suc…
PHANGS-JWST First Results: A statistical view on bubble evolution in NGC628
Elizabeth J. Watkins, Ashley Barnes, Kiana F. Henny +49
The first JWST observations of nearby galaxies have unveiled a rich population of bubbles that trace the stellar feedback mechanisms responsible for their creation. Studying these…
PHANGS-JWST First Results: Dust embedded star clusters in NGC 7496 selected via 3.3 m PAH emission
Jimena Rodriguez, Janice Lee, Bradley Whitmore +38
The earliest stages of star formation occur enshrouded in dust and are not observable in the optical. Here we leverage the extraordinary new high-resolution infrared imaging from J…
Comparative Analysis of TRGBs (CATs) from Unsupervised, Multi-Halo-Field Measurements: Contrast is Key
J. Wu, D. Scolnic, A. G. Riess +5
The Tip of the Red Giant Branch (TRGB) is an apparent discontinuity in the color-magnitude diagram (CMD) along the giant branch due to the end of the red giant evolutionary phase a…
PHANGS: Constraining Star Formation Timescales Using the Spatial Correlations of Star Clusters and Giant Molecular Clouds
Jordan A. Turner, Daniel A. Dale, James Lilly +22
In the hierarchical view of star formation, giant molecular gas clouds (GMCs) undergo fragmentation to form small-scale structures made up of stars and star clusters. Here we study…
Cosmicflows-4
R. Brent Tully, Ehsan Kourkchi, Hélène M. Courtois +14
With Cosmicflows-4, distances are compiled for 55,877 galaxies gathered into 38,065 groups. Eight methodologies are employed, with the largest numbers coming from the correlations…
Worry No More, The Hubble Tension is Relieved: A Truly Direct Measurement of the Hubble Constant from Mooniversal Expansion
Gagandeep S. Anand, Zachary R. Claytor, Ryan Dungee
Using sedimentary and eclipse-based measurements of the lunar recession velocity, we derive a new local-Universe measurement of the Hubble constant () from the recession rate…
Around the Spindle galaxy: the dark halo mass of NGC3115
I. D. Karachentsev, L. N. Makarova, G. S. Anand +1
We report observations of five dwarf galaxies in the vicinity of the luminous S0 galaxy NGC 3115 performed with the Advanced Camera for Surveys on the Hubble Space Telescope. Their…
Planetary Nebula Luminosity Function distances for 19 galaxies observed by PHANGS-MUSE
Fabian Scheuermann, Kathryn Kreckel, Gagandeep S. Anand +15
We provide new planetary nebula luminosity function (PNLF) distances to 19 nearby spiral galaxies that were observed with VLT/MUSE by the PHANGS collaboration. Emission line ratios…