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- Publisher Website: 10.1111/j.1365-8711.1998.01137.x
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Article: The Durham/UKST Galaxy Redshift Survey - II. The field galaxy luminosity function
Title | The Durham/UKST Galaxy Redshift Survey - II. The field galaxy luminosity function |
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Authors | |
Keywords | Large-scale structure of Universe Galaxies: distances and redshifts Cosmology: observations Galaxies: general Galaxies: luminosity function, mass function Surveys |
Issue Date | 1998 |
Citation | Monthly Notices of the Royal Astronomical Society, 1998, v. 293, n. 2, p. 197-207 How to Cite? |
Abstract | We present the results for the galaxy luminosity function as estimated from the Durham/UKST Galaxy Redshift Survey. This survey is magnitude-limited to bJ ∼ 17, contains ∼2500 galaxies sampled at a rate of one-in-three, and surveys a ∼4 × 106(h-1 Mpc)3 volume of space. The maximum-likelihood parameters for a standard Schechter luminosity function are estimated to be M*bj = -19.72±0.09, α= -1.14±0.08 and φ* = (1.2±0.2) × 10-2(h3 Mpc-3). Attempting to correct for the scatter in the observed magnitudes leads to a flatter faint-end slope, α= -1.04±0.08, which, combined with the different luminosity function shape, causes a higher normalization to be estimated, φ*=(1.7±0.3) × 10-2(h3 Mpc-3). Neither of these parametric functions provides a good formal fit to the non-parametric estimate of the luminosity function. A comparison with galaxy luminosity functions from other redshift surveys shows good agreement, and the shape of the luminosity function now appears to be well defined down to MbJ ≃ - 17. There are some discrepancies between the different surveys for galaxies fainter than this absolute magnitude. However, our estimate agrees well with that from the APM-Stromlo Galaxy Redshift Survey and we measure a fairly flat faint-end slope. |
Persistent Identifier | http://hdl.handle.net/10722/208837 |
ISSN | 2023 Impact Factor: 4.7 2023 SCImago Journal Rankings: 1.621 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ratcliffe, Andrew | - |
dc.contributor.author | Shanks, Tom | - |
dc.contributor.author | Parker, Quentin A. | - |
dc.contributor.author | Fong, Richard | - |
dc.date.accessioned | 2015-03-23T02:01:52Z | - |
dc.date.available | 2015-03-23T02:01:52Z | - |
dc.date.issued | 1998 | - |
dc.identifier.citation | Monthly Notices of the Royal Astronomical Society, 1998, v. 293, n. 2, p. 197-207 | - |
dc.identifier.issn | 0035-8711 | - |
dc.identifier.uri | http://hdl.handle.net/10722/208837 | - |
dc.description.abstract | We present the results for the galaxy luminosity function as estimated from the Durham/UKST Galaxy Redshift Survey. This survey is magnitude-limited to bJ ∼ 17, contains ∼2500 galaxies sampled at a rate of one-in-three, and surveys a ∼4 × 106(h-1 Mpc)3 volume of space. The maximum-likelihood parameters for a standard Schechter luminosity function are estimated to be M*bj = -19.72±0.09, α= -1.14±0.08 and φ* = (1.2±0.2) × 10-2(h3 Mpc-3). Attempting to correct for the scatter in the observed magnitudes leads to a flatter faint-end slope, α= -1.04±0.08, which, combined with the different luminosity function shape, causes a higher normalization to be estimated, φ*=(1.7±0.3) × 10-2(h3 Mpc-3). Neither of these parametric functions provides a good formal fit to the non-parametric estimate of the luminosity function. A comparison with galaxy luminosity functions from other redshift surveys shows good agreement, and the shape of the luminosity function now appears to be well defined down to MbJ ≃ - 17. There are some discrepancies between the different surveys for galaxies fainter than this absolute magnitude. However, our estimate agrees well with that from the APM-Stromlo Galaxy Redshift Survey and we measure a fairly flat faint-end slope. | - |
dc.language | eng | - |
dc.relation.ispartof | Monthly Notices of the Royal Astronomical Society | - |
dc.subject | Large-scale structure of Universe | - |
dc.subject | Galaxies: distances and redshifts | - |
dc.subject | Cosmology: observations | - |
dc.subject | Galaxies: general | - |
dc.subject | Galaxies: luminosity function, mass function | - |
dc.subject | Surveys | - |
dc.title | The Durham/UKST Galaxy Redshift Survey - II. The field galaxy luminosity function | - |
dc.type | Article | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1111/j.1365-8711.1998.01137.x | - |
dc.identifier.scopus | eid_2-s2.0-1842780966 | - |
dc.identifier.volume | 293 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 197 | - |
dc.identifier.epage | 207 | - |
dc.identifier.isi | WOS:000071661000011 | - |
dc.identifier.issnl | 0035-8711 | - |