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IC 3387


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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.

Galaxy redshift survey in a narrow strip crossing the Coma cluster
A list of galaxies brighter than 18m with the coordinates in the rangeRA = (10h42m, 15h28m), Dec. = (+ 28 deg 10 min, + 28 deg 20 min) ispresented. The list contains data on apparent photographic magnitude,angular diameter, axial ratio, and radial velocity for more than 300objects. Emission and absorption line galaxies found show an essentiallydifferent character in their spatial distribution.

KISO survey for ultraviolet-excess galaxies. III
Presented here are the third list and identification charts of theultraviolet-excess galaxies which have been detected on the multicolorplates taken with the Kiso Schmidt telescope for 10 survey fields. Inthe sky area of some 300 square degrees 712 objects are catalogued downto the photographic magnitude of about 17.5.

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Dades d'Observació i Astrometria

Constel·lació:Coma Berenices
Ascensió Recta:12h28m18.80s
Declinació:+27°59'46.0"
Dimensions aparents:0.347′ × 0.269′

Catàlegs i designacions:
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ICIC 3387
HYPERLEDA-IPGC 40994

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