NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-17 T12:02:07 PST
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Redshift data point(s) for object NGC 4177

2 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4083   9   0.013619   0.000030   1991RC3.9.C...0000d
1 21-cm HI line 4083   9   0.013619   0.000030   1991RC3.9.C...0000d
2 Optical 4110   45   0.013709   0.000150   20096dF...C...0000J

Detailed information for each entry

No. 1
Name in publication  : MCG -02-31-021                
Coordinates          : 121006.7                 -134411          B1950
Features targeted    : 21-cm HI line                 
Velocity or redshift :  4083           km/s                     z=   0.013619
Uncertainty          : +/-9                                     +/-  0.000030
Unc. Significance    : rms uncertainty
Reference Code       : 1991RC3.9.C...0000d

Measurement Mode     :
    Spectral range   : Radio

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Homogenized from new and previously published data

NED Comment          :                                         



No. 2 Name in publication : 6dF J1212412-140052 Coordinates : 121241.26 -140052.4 J2000 Features targeted : Optical Velocity or redshift : 4110 km/s z= 0.013709 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 :



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