Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95.1602s&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 95, June 1988, p. 1602-1618. Research supported by the Smithsonian Institution.
Astronomy and Astrophysics
Astronomy
63
Galaxies, H Ii Regions, Hubble Constant, Infrared Astronomy Satellite, Red Shift, Corona Borealis Constellation, Emission Spectra, Line Spectra
Scientific paper
A redshift survey was completed for 342 galaxies detected by the IRAS in the direction of the Bootes void discovered by Kirshner et al. The number density of IRAS galaxies is well determined from the shallower full-sky redshift survey of Strauss et al. Four IRAS galaxies are found within the void as defined by Kirshner et al., of which three are part of a complete sample, implying a density depression of a factor of 4. The underdense region continues to a distance of at least 4000 km/s from the nominal center of the void. Three of the IRAS galaxies studied in this paper were previously unknown. These galaxies have emission-line spectra characteristic of H II regions, and red continuum magnitudes ranging from 16 to 17.5 mag, and thus are bright enough to have been detected in a wide-angle redshift survey as deep as that of Kirshner et al. The luminosity function derived from this sample is in good agreement with that of Lawrence et al.
Huchra John
Strauss Michael A.
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