2001MNRAS.326.1295H

Query : 2001MNRAS.326.1295H

2001MNRAS.326.1295H - Mon. Not. R. Astron. Soc., 326, 1295-1314 (2001/October-1)

The SuperCOSMOS Sky Survey - II. Image detection, parametrization, classification and photometry.

HAMBLY N.C., IRWIN M.J. and MacGILLIVRAY H.T.

Abstract (from CDS):

In this, the second in a series of three papers concerning the SuperCOSMOS Sky Survey, we describe the methods for image detection, parametrization, classification and photometry. We demonstrate the internal and external accuracy of our object parameters. Using examples from the first release of data, the South Galactic Cap survey, we show that our image detection completeness is close to 100 per cent to within ∼1.5mag of the nominal plate limits. We show that for the BJ survey data, the image classification is externally >99 per cent reliable to BJ∼19.5. Internally, the image classification is reliable at a level of >90 per cent to BJ∼21, R∼19. The photometric accuracy of our data is typically ∼0.3mag with respect to external data for m>15. Internally, the relative photometric accuracy in restricted position and magnitude ranges can be as accurate as ∼5 per cent for well-exposed stellar images. Colours are externally accurate to σ_B-R, R-I_∼0.07 at BJ∼16.5, rising to σ_B-R, R-I_∼0.16 at BJ∼20.

Abstract Copyright: 2001 Blackwell Science Ltd

Journal keyword(s): methods: data analysis - techniques: image processing - techniques: photometric - astronomical data bases: miscellaneous - catalogues - surveys

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 SGP reg 00 51 26.275 -27 07 41.70           ~ 606 0

Query : 2001MNRAS.326.1295H

Basic data :
NAME SGP -- Region defined in the Sky
Other object types: otypes_help 		reg ([SFD98])
ICRS coord. (ep=J2000) : 		00 51 26.275 -27 07 41.70 [ ] D ~
FK4 coord. (ep=B1950 eq=1950) : 		00 49 00.001 -27 24 00.17 [ ]
Gal coord. (ep=J2000) : 		148.040683 -89.999997 [ ]
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Identifiers (3) :
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NAME SGP NAME South Galactic Pole [SFD98] J0051-2708

References (606 between 1850 and 2026) (Total 606)
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