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NGC 3214


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An image database. II. Catalogue between δ=-30deg and δ=70deg.
A preliminary list of 68.040 galaxies was built from extraction of35.841 digitized images of the Palomar Sky Survey (Paper I). For eachgalaxy, the basic parameters are obtained: coordinates, diameter, axisratio, total magnitude, position angle. On this preliminary list, weapply severe selection rules to get a catalog of 28.000 galaxies, wellidentified and well documented. For each parameter, a comparison is madewith standard measurements. The accuracy of the raw photometricparameters is quite good despite of the simplicity of the method.Without any local correction, the standard error on the total magnitudeis about 0.5 magnitude up to a total magnitude of B_T_=17. Significantsecondary effects are detected concerning the magnitudes: distance toplate center effect and air-mass effect.

HI observations of some galaxies and their faint companions
Twenty-one-cm line observations of single galaxies with multiple faintcompanions have been carried out with the Nancay Decimetric Radiotelescope. Twelve galaxies have been detected, including six companiongalaxies. Three new detections in HI are reported. Flux density upperlimits are given for the undetected galaxies.

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Datos observacionales y astrométricos

Constelación:Osa Mayor
Ascensión Recta:10h23m08.50s
Declinación:+57°02'16.0"
Dimensión Aparente:0.708′ × 0.339′

Catálogos y designaciones:
Nombres Propios   (Edit)
NGC 2000.0NGC 3214
HYPERLEDA-IPGC 30419

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