A new catalogue of bar lengths and widths from HST images of 8230 galaxies shows bars are about 13% weaker at higher redshift, with longer bars in higher-mass quiescent galaxies and trends consistent with slow quenching.
The orbital extent of enhanced star formation in interacting galaxies
4 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.GA 4years
2026 4representative citing papers
Close major galaxy pairs exhibit 8.8% lower HI gas fractions and 15% higher HI star formation efficiency in S+S systems than mass- and redshift-matched isolated controls.
Citizen science classifications of 3690 SDSS galaxies reveal a weak but significant rise in log(sSFR) with visual merger stage (slope 0.148), corroborating prior merger enhancement trends.
Spirals paired with ellipticals show centrally suppressed star formation and higher gas-phase metallicities than spirals paired with other spirals, with the effect scaling with companion mass and gas kinematics.
citing papers explorer
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Galaxy Zoo Bar Lengths: A Catalogue of Measurements from Hubble Space Telescope Images and the Evolution of Galactic Bar Structure at z < 1
A new catalogue of bar lengths and widths from HST images of 8230 galaxies shows bars are about 13% weaker at higher redshift, with longer bars in higher-mass quiescent galaxies and trends consistent with slow quenching.
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HI Gas and Star Formation in Major Galaxy Pairs from the FAST All-Sky HI Survey (FASHI)
Close major galaxy pairs exhibit 8.8% lower HI gas fractions and 15% higher HI star formation efficiency in S+S systems than mass- and redshift-matched isolated controls.
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Specific Star Formation Rate Enhancement across the Galaxy Merger Sequence: Insights from Citizen Science Classifications
Citizen science classifications of 3690 SDSS galaxies reveal a weak but significant rise in log(sSFR) with visual merger stage (slope 0.148), corroborating prior merger enhancement trends.
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Radial Distribution of Star Formation and Gas-phase Metallicity in Spiral-Elliptical Galaxy Pairs
Spirals paired with ellipticals show centrally suppressed star formation and higher gas-phase metallicities than spirals paired with other spirals, with the effect scaling with companion mass and gas kinematics.