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We present a study of the recent star formation of 30 Doradus in the LargeMagellanic Cloud (LMC) using the panchromatic imaging survey Hubble TarantulaTreasury Project (HTTP). In this paper we focus on the stars within 20 pc ofthe center of the massive ionizing cluster of 30 Doradus, NGC 2070. Werecovered the star formation history by comparing deep optical and NIRcolor-magnitude diagrams (CMDs) with state-of-the-art synthetic CMDs generatedwith the latest PARSEC models, which include all stellar phases from pre-mainsequence to post- main sequence. For the first time in this region we are ableto measure the star formation using intermediate and low mass starssimultaneously. Our results suggest that NGC2070 experienced a prolongedactivity. In particular, we find that the star formation in the region: i)exceeded the average LMC rate ~ 20 Myr ago; ii) accelerated dramatically ~ 7Myr ago; and iii) reached a peak value 1-3 Myr ago. We did not find significantdeviations from a Kroupa initial mass function down to 0.5 Msun. The averageinternal reddening E(B-V) is found to be between 0.3 and 0.4 mag.

astrophysical journal/the astrophysical journal

Hubble Tarantula Treasury Project: Unraveling Tarantula's Web. II.  Optical and Near Infrared Star Formation History of the Starburst Cluster NGC  2070 in 30 Doradus