NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-25 T04:59:53 PDT
Help | Comment | NED Home

Redshift data point(s) for object NGC 4128

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2326   27   0.007759   0.000090   1991RC3.9.C...0000d
1 2231   15   0.007442   0.000051   2015ApJS..218...10V
2 Optical lines 2326   27   0.007759   0.000090   1991RC3.9.C...0000d
3 Optical 2306   39   0.007692   0.000130   2000UZC...C......0F
4 Optical 2395   54   0.007989   0.000180   1956AJ.....61...97H
5 Optical 2315     0.007722     1992CORV..C...0000F
6 2326     0.007759     2015ApJS..217...27A

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  2231.2         km/s                     z=   0.007442
Uncertainty          : +/-15.2                                  +/-  0.000051
Unc. Significance    : uncertainty
Reference Code       : 2015ApJS..218...10V

Measurement Mode     :

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Uncertain origin

NED Comment          :                                         



No. 2 Name in publication : UGC 07120 Coordinates : 120604.3 +690245 B1950 Features targeted : Optical lines Velocity or redshift : 2326 km/s z= 0.007759 Uncertainty : +/-27 +/- 0.000090 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 :


No. 3 Name in publication : UZC J120832.4+684604 Coordinates : 120832.4 +684604. J2000 Features targeted : Optical Velocity or redshift : 2306 km/s z= 0.007692 Uncertainty : +/-39 +/- 0.000130 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F Measurement Mode : Spectral range : Optical Features : Absorption lines Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment :


No. 4 Name in publication : NGC 4128 Coordinates : 120606 +6903.0 B1950 Features targeted : Optical Velocity or redshift : 2395 z= 0.007989 Uncertainty : +/-43 km/s +/- 0.000180 Unc. Significance : average deviation Reference Code : 1956AJ.....61...97H Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : 4 Absorption lines Technique : Features measured in single-screw engine Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 5 Name in publication : NGC 4128 Coordinates : 120604.3 +690245. B1950 Features targeted : Optical Velocity or redshift : 2315 km/s z= 0.007722 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1992CORV..C...0000F Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : From 1981ApJ...246..666T


No. 6 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.007759 z= 0.007759 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015ApJS..217...27A Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



Back to NED Home