655 citations · 10k across the 141 of their papers we have counts for
4 papers · 1 filter
Green Pea Galaxies and cohorts: Luminous Compact Emission-Line Galaxies in the Sloan Digital Sky Survey
Y. I. Izotov, N. G. Guseva, T. X. Thuan
We present a large sample of 803 star-forming luminous compact galaxies (LCGs) in the redshift range z = 0.02-0.63, selected from Data Release 7 of the Sloan Digital Sky Survey (SD…
Tol 2240-384 - a new low-metallicity AGN candidate
Y. I. Izotov, N. G. Guseva, K. J. Fricke +3
Active galactic nuclei (AGNs) have typically been discovered in massive galaxies of high metallicity. We attempt to increase the number of AGN candidates in low metallicity galaxie…
The Spitzer View of Low-Metallicity Star Formation: III. Fine Structure Lines, Aromatic Features, and Molecules
Leslie K. Hunt, Trinh X. Thuan, Yuri I. Izotov +1
We present low- and high-resolution Spitzer/IRS spectra, supplemented by IRAC and MIPS measurements, of 22 blue compact dwarf (BCD) galaxies. The BCD sample spans a wide range in o…
The primordial abundance of 4He: evidence for non-standard big bang nucleosynthesis
Y. I. Izotov, T. X. Thuan
We present a new determination of the primordial helium mass fraction Yp, based on 93 spectra of 86 low-metallicity extragalactic HII regions, and taking into account the latest de…