Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-05-04
Astronomy and Astrophysics
Astrophysics
2 pages, 2 figures, Poster presented in XXI meeting of the Astronomical Society of India (ASI), 2002, submitted to BASI, LaTeX
Scientific paper
This project aims to image a subset of galaxies in the nearby group Eridanus in HI emission and in radio continuum using the GMRT. The typical resolution of HI images will be $\sim$1 kpc with a 3$\sigma$ sensitivity to HI mass of a few times 10$^{7}$ M$_\odot$. The rotation curves obtained using the HI velocity field together with the 2MASS magnitudes in the near infrared will be used to construct the Tully-Fisher relation for this group. High resolution (sub-kpc) multi-frequency radio continuum images will be used to study star-formation rates, radio morphologies and spectral indices of Eridanus galaxies. About half of the galaxies have already been observed and further observations on some late type galaxies are proposed with the GMRT. We present here the HI image and the rotation curve for a member of this group viz. NGC 1385.
Anantharamaiah K. R.
Dwarakanath K. S.
Omar Amitesh
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