NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-23 T11:19:39 PDT
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Redshift data point(s) for object NGC 7121

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   8227   9   0.027442   0.000030   2005A&A...430..373T
1 Optical 8231   33   0.027456   0.000110   1993AJ....105.1637H
2 Optical 8315   45   0.027736   0.000150   20096dF...C...0000J
3 8224     0.027432     2015MNRAS.447.1531C

Detailed information for each entry

No. 1
Name in publication  : MCG -01-55-008                
Coordinates          : 214218.0                 -035100          B1950
Features targeted    : Optical                       
Velocity or redshift :  8231           km/s                     z=   0.027456
Uncertainty          : +/-33                                    +/-  0.000110
Unc. Significance    : estimated error
Reference Code       : 1993AJ....105.1637H

Measurement Mode     :
    Spectral range   : Optical
    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. 2 Name in publication : 6dF J2144525-033711 Coordinates : 214452.58 -033711.0 J2000 Features targeted : Optical Velocity or redshift : 8315 km/s z= 0.027736 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. 3 Name in publication : Coordinates : Features targeted : Velocity or redshift : 8224 km/s z= 0.027432 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015MNRAS.447.1531C Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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