Age and star formation history
A predicted correlation between age gradient and star formation history in FIRE dwarf galaxies
... of star formation histories (SFHs) in dwarf galaxies simulated with Feedback In Realistic Environments (FIRE) ...find age gradients are common in our dwarfs, with older stars dominant at large ...
17
The Star Formation History of Early-type Galaxies
... © 2007: Instituto de Astronomía, UNAM - The 3rd Mexico-Korea Conference on Astrophysics: Telescopes of the Future and San Pedro Martir Ed. S. Kurtz, J. Franco, S. Hong, G. García-Segura, A. Santillan, J. Kim, & I. ...
5
An extended star formation history in an ultra-compact dwarf
... luminosity-weighted age of the ...separate star formation events would be required to produce an observed SFH like this ...this history was continuous, bursty, or a combination of both ...
12
The star formation history and evolution of the circumnuclear region of M100
... massive star formation which produced the bulk of the mass, and which ended some 3 Gyr ago, a constraint set by the age of the stars in the bar and the ...current star formation is but ...
21
Optical spectroscopy of Arp220: the star formation history of the closest ULIRG
... the star formation in the discs is truncated during the merger, these are the populations which may evolve into ISPs detected today in ...of age t YSP 20 Myr contributing ...
12
SNITCH:seeking a simple, informative star formation history inference tool
... Predicted Blue late-type spirals Blue late-type spirals Figure 8. The mean star formation fraction (SFF) in each age bin for the six galaxy samples analysed by (Tojeiro et al. 2013, solid lines) and ...
16
The star formation history of the Magellanic Clouds derived from long-period variable star counts
... Figure 2. CMD of the LMC (left) and SMC ( right), overlain with Marigo et al. ( 2008 ) isochrones (labelled by logarithmic age in yr); among with circumstellar reddening vectors for oxygenous and carbonaceous ...
9
Astronomy. Astrophysics. The star formation history of CALIFA galaxies: Radial structures
... Appendix A: Structural parameters: Half-light radius To compare the spatial distribution of any given property in galaxies which are at di fferent distances, the 2D maps need to be expressed in a common metric. We chose ...
25
The star formation history of Virgo spiral galaxies. Combined spectral and photometric inversion.
... disk, star formation, that is ultimately fueled by the neutral hydrogen, ...stripping age, ...Their age diagnostics are based on Lick indices and UV fluxes which they compare to stellar ...
178
Determining Properties of LEGA-C Galaxies through Spectral Star-formation History Reconstruction
... in age and ...common age and metallicity, as well as their remnants ...a star, so we cannot as yet determine the exact distri- bution of a population of stars’ stellar ...
123
The VIMOS Public Extragalactic Redshift Survey (VIPERS) Star formation history of passive red galaxies
... the age of the stellar population. However, the age e ff ects are often confused with the impact of metallicity, as the increase of metallicity may also result in stronger absorption ...
17
The VIMOS Public Extragalactic Redshift Survey (VIPERS) : Star formation history of passive red galaxies
... ments of age indicators: Hδ A and D4000 n . Acknowledgements. The authors want to thank the referee for useful and con- structive comments. We acknowledge the crucial contribution of the ESO sta ff for the ...
17
CiteSeerX — Revision of Star-Formation Measures
... the star-formation history of, ...a star-formation equilibrium when stellar birth and death rates are ...the star-formation rate and monochromatic luminosity independent ...
5
Being WISE II : reducing the influence of star formation history on the mass-to-light ratio of quiescent galaxies.
... 3.2. Constant SFHs The next step toward a more realistic SFH for a galaxy is to include populations with a range of ages. Figure 5 shows a constant SFH, with stars being formed at a constant rate from 14 to 2 Gyr with ...
15
Star cluster formation history along the minor axis of the Large Magellanic Cloud
... any star cluster with stars from its brightest 6 ...individual star cluster colour ...first age estimates based on resolved stellar photometry for nearly 30 per cent of the cluster ...the age ...
11
The effect of the environment on the structure, morphology and star formation history of intermediate redshift galaxies
... their star formation followed later by mor- phological transformation, perhaps into ...galaxies’ star formation in clusters must be reasonably gentle, af- fecting primarily the gas while ...
14
Dependence of gravitational wave transient rates on cosmic star formation and metallicity evolution history
... cosmic star formation history on the predicted rates of Gravitational Wave compact binary merger (GW) ...volume-averaged star formation rate density history of the Universe ...
6
Cosmic Star Formation history by galaxy types from optical to mid-ir surveys
... • Model including 9% of ellipticals, ultra-bright in IR (dusty and massive) matches the number density excess observed in MID-IR surveys at 12um and 24um. • This population of elliptic[r] ...
34
Star formation along the Hubble sequence Radial structure of the star formation of CALIFA galaxies
... Evidently, this whole field relies on empirical measures of the SFR. There is no shortage of methods of estimating the SFR, each with its virtues and caveats (see Kennicutt & Evans ( 2012 ) for a review). Some gauge ...
17
Molecular Clouds and Star Formation
... Membership in the Cepheus OB3 association and in its individual subgroups, the ages and kinematics of the stars, and the structure and energetics of the related [r] ...
130