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  1. OA@INAF
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  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28003
Title: Enhanced Star Formation in Both Disks and Ram-pressure-stripped Tails of GASP Jellyfish Galaxies
Authors: Vulcani, Benedetta 
POGGIANTI, Bianca Maria 
GULLIEUSZIK, MARCO 
MORETTI, ALESSIA 
Tonnesen, Stephanie
Jaffé, Yara L.
Fritz, Jacopo
FASANO, Giovanni
BETTONI, Daniela 
Issue Date: 2018
Journal: THE ASTROPHYSICAL JOURNAL LETTERS 
Number: 866
Issue: 2
First Page: L25
Abstract: Exploiting the data from the GAs Stripping Phenomena in galaxies with MUSE (GASP) program, we compare the integrated star formation rate-mass relation (SFR-M <SUB>*</SUB>) relation of 42 cluster galaxies undergoing ram-pressure stripping (RPS; “stripping galaxies”) to that of 32 field and cluster undisturbed galaxies. Theoretical predictions have so far led to contradictory conclusions about whether or not ram pressure can enhance the star formation (SF) in the gas disks and tails, and until now a statistically significant observed sample of stripping galaxies was lacking. We find that stripping galaxies occupy the upper envelope of the control sample SFR-M <SUB>*</SUB> relation, showing a systematic enhancement of the SFR at any given mass. The star formation enhancement occurs in the disk (0.2 dex), and additional SF takes place in the tails. Our results suggest that strong RPS events can moderately enhance the SF also in the disk prior to gas removal.
URI: http://hdl.handle.net/20.500.12386/28003
URL: https://iopscience.iop.org/article/10.3847/2041-8213/aae68b
ISSN: 2041-8205
DOI: 10.3847/2041-8213/aae68b
Bibcode ADS: 2018ApJ...866L..25V
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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