NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-25 T23:58:04 PDT
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Redshift data point(s) for object NGC 3390

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3047   16   0.010164   0.000053   1998A&AS..130..333T
1 21-cm 3047   16   0.010164   0.000053   1998A&AS..130..333T
2 Optical 2820   40   0.009407   0.000133   1992CORV..C...0000F
3 Optical 2991   45   0.009977   0.000150   20096dF...C...0000J
4 Optical lines 2820   66   0.009407   0.000220   1991RC3.9.C...0000d

Detailed information for each entry

No. 1
Name in publication  : PGC 032271                    
Coordinates          : 104542.                  -311606.         B1950
Features targeted    : 21-cm                         
Velocity or redshift :  3047           km/s                     z=   0.010164
Uncertainty          : +/-16                                    +/-  0.000053
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 : NGC 3390 Coordinates : 104543.0 -311606. B1950 Features targeted : Optical Velocity or redshift : 2820 km/s z= 0.009407 Uncertainty : +/-40 +/- 0.000133 Unc. Significance : uncertainty Reference Code : 1992CORV..C...0000F Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : From 1978AJ.....83..904S


No. 3 Name in publication : 6dF J1048044-313200 Coordinates : 104804.36 -313200.1 J2000 Features targeted : Optical Velocity or redshift : 2991 km/s z= 0.009977 Uncertainty : +/-45 +/- 0.000150 Unc. Significance : uncertainty Reference Code : 20096dF...C...0000J Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed Features : Both absorption and emission lines Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 4 Name in publication : ESO 437- G 062 Coordinates : 104543.0 -311606 B1950 Features targeted : Optical lines Velocity or redshift : 2820 km/s z= 0.009407 Uncertainty : +/-66 +/- 0.000220 Unc. Significance : rms uncertainty Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :



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