2006A&A...445L..39R


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.12CEST12:40:57

2006A&A...445L..39R - Astronomy and Astrophysics, volume 445, L39-42 (2006/1-3)

The refill of superbubble cavities.

RECCHI S. and HENSLER G.

Abstract (from CDS):

In this paper we study the late evolution of model galaxies after a single episode of star formation of different durations. The aim of the paper is to discover the timescale needed to refill with cold gas the center of the galaxy. This timescale strongly depends on the amount of gas initially present inside the galaxy and ranges between 125 and 600Myr. A Hi hole can therefore survive several hundred Myr after the last SNII has exploded. If, as a consequence of the refill of the center of the galaxy, a second episode of star formation occurs, it pollutes the surrounding medium in a very short timescale (of the order of 10-15Myr), at variance with what happens if the center of the galaxy is still occupied by hot and tenuous gas.

Abstract Copyright:

Journal keyword(s): hydrodynamics - ISM: abundances - ISM: bubbles - ISM: jets and outflows - galaxies: evolution

Simbad objects: 4

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Number of rows : 4

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 1569 IG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1149 3
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14832 1
3 UGC 4305 IG 08 19 04.9878269182 +70 43 13.025604473 12.06 11.72 11.39 11.11   ~ 690 2
4 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2546 2

    Equat.    Gal    SGal    Ecl

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2020.07.12-12:40:57

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