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NGC 1632


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DSS Images   Other Images


Ýlgili Makaleler

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.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Irmak
Sað Açýklýk:04h39m58.50s
Yükselim:-09°27'22.0"
Görünür Boyutlar:0.724′ × 0.372′

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
NGC 2000.0NGC 1632
ICIC 386
HYPERLEDA-IPGC 15769

→ VizieR 'den daha fazla katalog ve tanýmlama isteyin