NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-27 T01:06:53 PDT
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Redshift data point(s) for object NGC 3028

2 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4047   9   0.013499   0.000030   1998A&AS..130..333T
1 21-cm 4047   9   0.013499   0.000030   1998A&AS..130..333T
2 Optical 4029   45   0.013439   0.000150   1992ApJS...83...29S

Detailed information for each entry

No. 1
Name in publication  : PGC 028276                    
Coordinates          : 094733.                  -185706.         B1950
Features targeted    : 21-cm                         
Velocity or redshift :  4047           km/s                     z=   0.013499
Uncertainty          : +/-9                                     +/-  0.000030
Unc. Significance    : mean error
Reference Code       : 1998A&AS..130..333T

Measurement Mode     :
    Spectral range   : Radio
    Spectrograph     : Heterodyne receiver(e.g., 21-cm)
    Features         : 1 Emission lines
    Technique        : Mid-point of line profile at 20% lvel
    Spatial mode     : Redshift is systemic

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : From new, raw data

NED Comment          :                                         



No. 2 Name in publication : IRAS 09475-1856 Coordinates : 094732.3 -185659 B1950 Features targeted : Optical Velocity or redshift : 4029 km/s z= 0.013439 Uncertainty : +/-45 +/- 0.000150 Unc. Significance : estimated error Reference Code : 1992ApJS...83...29S Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Emission lines Technique : Individual line fitting Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :



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