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The 2dF Galaxy Redshift Survey: the environmental dependence of galaxy star formation rates near clusters

Abstract:

We have measured the equivalent width of the Ha emission line for 11 006 galaxies brighter than Mb, = -19 (ΩΛ = 0.7, Ωm = 0.3, H0 = 70 km s-1 Mpc-1) at 0.05 < z < 0.1 in the 2dF Galaxy Redshift Survey (2dFGRS), in the fields of 17 known galaxy clusters. The limited redshift range ensures that our results are insensitive to aperture bias, and to residuals from night sky emission lines. We use these measurements to trace μ*, the star formation rate normalized to L*, as a function of dista...

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Publication status:
Published

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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
334
Issue:
3
Pages:
673-683
Publication date:
2002-08-01
DOI:
ISSN:
0035-8711
Source identifiers:
45826
Language:
English
Keywords:
Pubs id:
pubs:45826
UUID:
uuid:cabd2386-5f1b-4c20-b8b2-52eb94d2e098
Local pid:
pubs:45826
Deposit date:
2012-12-19

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