NICMOS/HST H-band (F160W) Images of the 30 DOR Starburst Cluster

Details NICMOS/HST H-band (F160W) Images of the 30 DOR Starburst Cluster NICMOS/HST H-band (F160W) Images of the 30 DOR Starburst Cluster

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998esoc...55..136z&link_type=abstract

NICMOS and the VLT: A New Era of High Resolution Near Infrared Imaging and Spectroscopy, Pula, Sardinia, Italy, June 26-27th 199

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Scientific paper

We have taken diffraction-limited (~ 0.15") near-infrared F160W images with NICMOS on HST of the center of the R136 cluster (age 3.5 Myr) in the core of the 30 Dor giant HII region in the Large Magellanic Cloud. The aim is to search for the low-mass (M<2M_sun) low-luminosity, pre-Main Sequence stellar population and to determine the H-band luminosity function, and eventually to determine whether the mass function is normal down to and below sub-solar mass stars, or whether there latter are missing. Our initial tests on the data show that we reach H ~ 22.5, which corresponds to M=0.2 M_sun, according to pre-Main Sequence evolutionary models, and it is not out of the question that we will be able to reach even deeper with some later recalibration. On the other hand, the faintest stars measured in the crowded central region will be much much brighter than this limit.

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