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H II emission line region in LEDA 212995, a small neighboring galaxy of Mrk 1040

We present here new spectroscopic observations of Mrk 1040 and LEDA 212995 (Mrk 1040 companion) obtained with the Isaac Newton Telescope (INT). The intensity ratios and widths for the narrow emission lines found in LEDA 212995 are typical of H II regions. The red-shift (0.0169$\pm$0.00015) of the object derived from these emission lines is very close to the red-shift of Mrk 1040 (z=0.01665). The weak narrow and broad absorption lines were detected in the H$α$ wavelength band of LEDA 212995 spectra. These absorptions indicate that the companion might be at least partly obscured by Mrk 1040. Using this and previous observations we discuss the possible physical relationship between these two galaxies.

preprint2004arXivOpen access
L. C. PopovicE. G. MediavillaE. BonD. IlicG. Richter
astro-ph
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L. C. PopovicE. G. MediavillaE. BonD. IlicG. Richter

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