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Deep VLT spectroscopy of the blue compact dwarf galaxies Tol 1214-277 and Tol 65
Y. I. Izotov, P. Papaderos, N. G. Guseva +2
We present VLT spectroscopic observations with different spectral resolutions and different slit orientations of the two metal-deficient blue compact dwarf (BCD) galaxies Tol 1214-…
Motion and Properties of Nuclear Radio Components in Seyfert Galaxies Seen with VLBI
E. Middelberg, A. L. Roy, N. M. Nagar +7
We report EVN, MERLIN and VLBA observations at 18 cm, 6 cm and 3.6 cm of the Seyfert galaxies NGC 7674, NGC 5506, NGC 2110 and Mrk 1210 to study their structure and proper motions…
New insights to the photometric structure of Blue Compact Dwarf Galaxies from deep Near-Infrared studies I. Observations, surface photometry and decomposition of surface brightness profiles
K. G. Noeske, P. Papaderos, L. M. Cairos +1
(shortened) We analyze deep Near Infrared (NIR) broad band images for a sample of Blue Compact Dwarf Galaxies (BCDs), allowing for the quantitative study of their extended stellar…
Spectroscopic and photometric studies of low-metallicity star-forming dwarf galaxies. III. SBS 1415+437
N. G. Guseva, P. Papaderos, Y. I. Izotov +4
We present a detailed optical spectroscopic and B,V,I,Halpha photometric study of the metal-deficient cometary blue compact dwarf (BCD) galaxy SBS 1415+437. We derive an oxygen abu…
Spectroscopic and photometric studies of low-metallicity star-forming dwarf galaxies. II. HS 1442+4250
N. G. Guseva, P. Papaderos, Y. I. Izotov +4
We present broad-band V and I imaging and long-slit spectroscopy in the optical range 3600-7500A of the dwarf irregular galaxy HS 1442+4250. The oxygen abundance 12+log(O/H)=7.63+/…
Spectroscopic and photometric studies of low-metallicity star-forming dwarf galaxies. I. SBS 1129+576
N. G. Guseva, P. Papaderos, Y. I. Izotov +4
Spectroscopy and V,I CCD photometry of the dwarf irregular galaxy SBS 1129+576 are presented for the first time. The CCD images reveal a chain of compact H II regions within the el…