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Search: authors:"S. S. Kaisin"

5 papers found.
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Hα survey of nearby dwarf galaxies

We present the Hα imaging data and flux measurements for 30 dwarf galaxies in the Local Volume. The Hα fluxes are used to derive the galaxy star-formation rate (SFR). The sample of observed galaxies is characterized by the following parameters: a median distance of 7.5 Mpc, median blue absolute magnitude of −14.8 mag and median SFR of −2.0 dex. Two dSph members of the Local Group...

Canes Venatici I cloud of galaxies seen in the Hα line

We present results of Hα imaging for 42 galaxies in the nearby low-density cloud Canes Venatici I, populated mainly by late-type objects. Estimates of the Hα flux and integrated star formation rate () are now available for all 78 known members of this scattered system, spanning a large range in luminosity, surface brightness, HI content and . Distributions of the CVnI galaxies...

Canes Venatici I cloud of galaxies seen in the Hα line

We present results of Hα imaging for 42 galaxies in the nearby low-density cloud Canes Venatici I, populated mainly by late-type objects. Estimates of the Hα flux and integrated star formation rate () are now available for all 78 known members of this scattered system, spanning a large range in luminosity, surface brightness, HI content and . Distributions of the CVnI galaxies...

FIGGS: Faint Irregular Galaxies GMRT Survey – overview, observations and first results

The Faint Irregular Galaxies GMRT Survey (FIGGS) is a Giant Metrewave Radio Telescope (GMRT) based H i imaging survey of a systematically selected sample of extremely faint nearby dwarf irregular galaxies. The primary goal of FIGGS is to provide a comprehensive and statistically robust characterization of the neutral interstellar medium properties of faint, gas-rich dwarf...

Gas distribution, kinematics and star formation in faint dwarf galaxies

We compare the gas distribution, kinematics and the current star formation in a sample of 10 very faint (−13.37 < MB < −9.55) dwarf galaxies. For five of these galaxies we present fresh, high-sensitivity, Giant Metrewave Radio Telescope H i 21-cm observations. We find that the large-scale H i distribution in the galaxies is typically irregular and clumpy, with the peak gas...