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NGC 920



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Arcsecond Positions of UGC Galaxies
We present accurate B1950 and J2000 positions for all confirmed galaxiesin the Uppsala General Catalog (UGC). The positions were measuredvisually from Digitized Sky Survey images with rms uncertaintiesσ<=[(1.2")2+(θ/100)2]1/2,where θ is the major-axis diameter. We compared each galaxymeasured with the original UGC description to ensure high reliability.The full position list is available in the electronic version only.

Active Galactic Nucleus Activity in Giant, Low Surface Brightness Galaxies
A search of large, H i-rich disk galaxies finds a significantly higherfraction of low-luminosity active galactic nucleus (AGN) signaturescompared with other late-type galaxies. Approximately half the galaxiesselected in this sample have AGN-like behavior in their cores; the resthave H ii nuclei resulting from simple star formation. Since AGNbehavior is not evident in all the sample galaxies, which where selectedby high gas mass, we speculate that it is the fuel flow rate that is thecommon feature between late-type low surface brightness disks and otheractive nuclear galaxies.

Visual search for galaxies near the northern crossing of the Supergalactic Plane by the Milky Way
We have visually examined 12 Palomar red plates for galaxies at lowGalactic latitude b, where the Supergalactic Plane (SGP) is crossed bythe Galactic Plane (GP), at Galactic longitude l~135 deg. The catalogueconsists of 2575 galaxy candidates, of which 462 have major axisdiameter d>=0.8 arcmin (uncorrected for extinction). Galaxycandidates can be identified down to --b--~=0 deg. One of our galaxycandidates (J24=Dwingeloo 1) has recently been discovered independentlyat 21 cm by Kraan-Korteweg et al. as a nearby galaxy. Comparisons withthe structures seen in the IRAS and UGC catalogues are made. We comparethe success rate of identifying galaxies using the IRAS Point SourceCatalogue under different colour selection criteria. The criteria thatrequire both the 60- and 100-μm fluxes to be of high quality have thehighest probability of selecting a galaxy (with d>=0.6 arcmin), butat the expense of selecting a smaller number of galaxies in total.

A 21 CM survey of the Pisces-Perseus supercluster. III - The region north of +38 degrees
As part of a comprehensive survey of galaxies in the region of thePisces-Perseus supercluster and its surroundings, 21-cm lineobservations obtained with the NRAO 91-m telescope are presented for 383galaxies in the right ascension range from 22 to 10 hr and north of +38deg declination. Recent improvements to the Green Bank receiver/feedsystem have dramatically raised detection rates at the distance ofPisces-Perseus (cz = +5000 km/s). The present study has contributed todouble the number of known redshifts outside rich clusters in thissection of the sky. The H I content of the current sample, as expressedin terms of the H I mass expected for a galaxy of the same optical sizeand morphology, matches the standard of normalcy established forisolated galaxies.

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Observation and Astrometry data

Right ascension:02h27m51.90s
Aparent dimensions:1.259′ × 0.912′

Catalogs and designations:
Proper Names   (Edit)
NGC 2000.0NGC 920

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