NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-26 T18:11:33 PDT
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Redshift data point(s) for object NGC 4822

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3925   38   0.013092   0.000127   1998AJ....116....1D
1 Optical 3925   38   0.013092   0.000127   1998AJ....116....1D
2 Optical 3915   45   0.013059   0.000150   20096dF...C...0000J
3 3931     0.013112     2016AJ....152...50T

Detailed information for each entry

No. 1
Name in publication  : GSC 5539 01042                
Coordinates          : 125426.9                 -102930.         B1950
Features targeted    : Optical                       
Velocity or redshift :  3925           km/s                     z=   0.013092
Uncertainty          : +/-38                                    +/-  0.000127
Unc. Significance    : internal error
Reference Code       : 1998AJ....116....1D

Measurement Mode     :
    Spectral range   : Optical
    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 J1257037-104543 Coordinates : 125703.73 -104542.6 J2000 Features targeted : Optical Velocity or redshift : 3915 km/s z= 0.013059 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 : 3931 km/s z= 0.013112 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016AJ....152...50T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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