Free Access
Table 8.
SED fit. Final parameters
| Parameter | NGC 5257 | NGC 5258 |
|---|---|---|
| τ of old stellar population (Gyr) | 7 | 7 |
| Age of old stellar population* (Gyr) | 13 | 13 |
| τ of young stellar population (Myr) | 100 | 200 |
| Age of young stellar population (Myr) | 200 | 400 |
| Fraction of young stellar population | 0.1 | 0.1 |
| Instantaneous SFR (M⊙ yr−1) | 26.17 | 22.53 |
| Averaged SFR (over 10 Myr) (M⊙ yr−1) | 27.23 | 22.93 |
| Averaged SFR (over 100 Myr) (M⊙ yr−1) | 42.33 | 27.663 |
| Stellar mass of young population (M⊙) | 2.63 × 108 | 2.22 × 107 |
| Stellar mass of old population (M⊙) | 1.024 × 1011 | 1.559 × 1011 |
| Total stellar mass (M⊙) | 1.027 × 1011 | 1.561 × 1011 |
| Total gas mass (M⊙) | 4.18 × 1010 | 6.43 × 1010 |
| Metallicity* | 0.02 | 0.02 |
| Reduced χ2 | 0.69 | 0.82 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.