Tip of the Red Giant Branch Distances to NGC 4214, UGC 685, and UGC 5456

Details Tip of the Red Giant Branch Distances to NGC 4214, UGC 685, and UGC 5456 Tip of the Red Giant Branch Distances to NGC 4214, UGC 685, and UGC 5456

2001-11-20

arxiv.org/abs/astro-ph/0111372v1

Astronomy and Astrophysics

Astrophysics

To appear in the March 2002 issue of the Astronomical Journal. 19 pages, including 4 tables and 8 figures. Due to the size lim

Scientific paper

10.1086/338853

We have used WFPC2 VRI observations to calculate the distances to three nearby galaxies, NGC 4214, UGC 685, and UGC 5456 using the tip of the red giant branch method. Our values for NGC 4214 (2.94 +/- 0.18 Mpc) and UGC 685 (4.79 +/- 0.30 Mpc) are the most precise measurementes of the distances to these objects ever made. For UGC 5456 the data do not allow us to reach a decisive conclusion since there are two possible solutions, one leading towards a short distance around 3.8 Mpc and another one towards a long distance of 5.6 Mpc or more.

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