SIMBAD references

2003A&A...408L..13B - Astronomy and Astrophysics, volume 408, L13-16 (2003/9-4)

A molecular gas bridge between the Taffy galaxies.

BRAINE J., DAVOUST E., ZHU M., LISENFELD U., MOTCH C. and SEAQUIST E.R.

Abstract (from CDS):

The Taffy Galaxies system, UGC 12914/5, contains huge amounts of molecular gas in the bridge region between the receding spirals after a direct collision. 2-9x109M of molecular gas is present between the galaxies, more than the CO emission from the entire Milky Way! Such dense gas can only be torn off by collisions between dense clouds, in this case with relative velocities of about 800km/s, such that the remnant cloud acquires an intermediate velocity and is left in the bridge after separation of the colliding galaxies. We suggest that after ionization in the collision front, the gas cooled and recombined very quickly such that the density remained high and the gas left the colliding disks in molecular form.

Abstract Copyright:

Journal keyword(s): galaxies: spiral - galaxies: evolution - galaxies: ISM - galaxies: interaction - galaxies: individual: UGC 12914 - galaxies: individual: UGC 12915

Status at CDS:  

Simbad objects: 4

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2020.05.29-20:10:50

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