NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-17 T01:38:25 PST
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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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