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Which galaxy type has the least intense star formation?

Elliptical galaxy

Lenticular galaxy

Galaxy formation and evolution

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Open access•Journal Article•DOI The effect of environment on the UV colour-magnitude relation of early-type galaxies Kevin Schawinski, Sugata Kaviraj, Sadegh Khochfar, Suk-Jin Yoon, Sukyoung K. Yi, J. M. Deharveng, A. Boselli, Tom A. Barlow, Tim Conrow, K. Forster, Peter G. Friedman, D. C. Martin, Patrick Morrissey, Susan G. Neff, David Schiminovich, Mark Seibert, T. Small, Ted K. Wyder, Luciana Bianchi, Jose Donas, Timothy M. Heckman, Y. W. Lee, B. F. Madore, B. Milliard, R. M. Rich, Alexander S. Szalay - Show less +25 more 02 Jan 2006-arXiv: Astrophysics 218 Citations	This suggests that residual star formation is common even among the present day early-type galaxy population.
Open access•Journal Article•DOI The star formation history of the Sculptor dwarf irregular galaxy Sophia Lianou, Andrew A. Cole - Show less +1 more 01 Jan 2013-Astronomy and Astrophysics 23 Citations	The observed enhancements in star formation suggest that SDIG is able to sustain a complex star formation history without the effect of gravitational interactions with its nearest massive galaxy.
Open access•Journal Article•DOI Radio Continuum and Star Formation in CO-rich Early Type Galaxies D. M. Lucero, Lisa M. Young - Show less +1 more 29 Aug 2007-arXiv: Astrophysics	The radio continuum emission thus corroborates other recent suggestions that star formation in early-type galaxies may not be uncommon.
Open access•Journal Article•DOI The stellar masses and specific star-formation rates of submillimetre galaxies Michał J. Michałowski, James Dunlop, Michele Cirasuolo, Jens Hjorth, Christopher C. Hayward, Darach Watson - Show less +5 more 01 May 2012-Astronomy and Astrophysics 200 Citations	Galaxy stellar masses of this order imply that the average specific star-formation rate of submillimetre galaxies is comparable to that of other star-forming galaxies at z > 2, at 2-3 Gyr −1 .
Open access•Journal Article•DOI Simulating the formation and evolution of galaxies: Multi-phase description of the interstellar medium, star formation, and energy feedback Emiliano Merlin, Cesare Chiosi - Show less +1 more 22 Jun 2007-arXiv: Astrophysics 1 Citations	The results for the star formation rate agree with recent observational data on early-type galaxies.
Open access•Journal Article•DOI Ngc 1277: a massive compact relic galaxy in the nearby universe Ignacio Trujillo, Ignacio Trujillo, Anna Ferré-Mateu, Marc Balcells, Alexandre Vazdekis, Alexandre Vazdekis, Patricia Sanchez-Blazquez - Show less +6 more 16 Dec 2013-The Astrophysical Journal 111 Citations	This suggests a very short formation time scale for the bulk of the stars in this galaxy.

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Related Questions

How does the star formation main sequence give insight into galaxy evolution?5 answersThe star formation main sequence provides insight into galaxy evolution by revealing the relationship between the star formation rate and stellar mass of galaxies. This sequence shows that galaxies follow a tight relationship between these two parameters, known as the main sequence. Galaxies on the main sequence are actively forming stars and are categorized as "blue cloud" galaxies. However, there are also galaxies that deviate from the main sequence, such as composite, Seyfert, and LINER galaxies, which are associated with different stages of galaxy evolution. These deviations suggest an evolutionary pathway for galaxies, where star formation quenching by active galactic nuclei (AGN) plays a significant role. Therefore, the star formation main sequence provides valuable information about the ongoing star formation and the evolutionary processes shaping galaxies.

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