NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-12-11 T21:10:45 PST
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You have selected the following parameters to search on:

Parameters for Distances and Cosmology: Ho= 73.0; Ωmatter = 0.27; Ωvacuum = 0.73;
Derived Quantities use a Redshift corrected to a Reference Frame defined by the 3K CMB

NED results for object NGC 1998*

1 objects found in NED.    
SOURCE LIST

 Row          Object Name                 EquJ2000.0       Object  Velocity/Redshift    Mag./  Separ.               Number of                                 Row 
 No.     (* => Essential Note)       RA               DEC  Type     km/s       z   Qual Filter arcmin Refs Notes Phot Posn Vel/z Diam Assoc Images   Spectra  No. 
1   *NGC 1998                       05h33m15.7s -48d41m44s G        4538  0.015137      15.18    ...    10     1   25    3     2   14     0 Retrieve Retrieve 1

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