2000A&A...353..867K

Query : 2000A&A...353..867K

2000A&A...353..867K - Astronomy and Astrophysics, volume 353867-872 (2000/1-3)

A wide field survey at the Northern Ecliptic Pole. I. Number counts and angular correlation functions in K.

KUEMMEL M.W. and WAGNER S.J.

Abstract (from CDS):

We present the results from a multi colour survey performed at the Northern Ecliptic Pole (NEP). The survey is designed to identify the counterparts of faint sources from the ROSAT All Sky Survey and the IRAS survey and to study their optical/near-infrared properties. We observed the central square degree around the NEP in the optical bands BJ and R and in the near-infrared band K. A shallower survey was carried out in the optical I band. Here we present the results of the K-band survey. We discuss the source counts in the magnitude range 7mag<K<17.5mag and the angular correlation function of galaxies with K<17.0mag. The galaxy counts at the NEP display a subeuklidean slope in dlogN/dm. Our shallower slope does not require the large effects of galaxy evolution or density evolution suggested to explain the steeper slopes found in earlier surveys. The angular correlation function of galaxies follows a power law wt(θ)=Aθ–δ with A=(5.7±0.8)x10–3 and δ=0.98±0.15. This is in accordance with the expected values for stable clustering.

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Journal keyword(s): surveys - galaxies: evolution - galaxies: photometry - galaxies: statistics - cosmology: large-scale structure of Universe - infrared: galaxies

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME NEP reg 18 00 00.000 +66 33 38.55           ~ 430 0

Query : 2000A&A...353..867K

Basic data :
NAME NEP -- Region defined in the Sky
Other object types: otypes_help 		reg ()
ICRS coord. (ep=J2000) : 		18 00 00.000 +66 33 38.55 [ ] D ~
FK4 coord. (ep=B1950 eq=1950) : 		18 00 00.300 +66 33 38.48 [ ]
Gal coord. (ep=J2000) : 		096.383977 +29.811440 [ ]
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Identifiers (3) :
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NAME NEP NAME North Ecliptic Pole NAME Northern Ecliptic Pole

References (430 between 1850 and 2026) (Total 430)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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