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Date and Time of the Query: 2019-02-19 T01:13:04 PST
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Redshift data point(s) for object NGC 4820

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4621   33   0.015414   0.000110   1998AJ....116....1D
1 Optical 4621   33   0.015414   0.000110   1998AJ....116....1D
2 Optical 4479   45   0.014940   0.000150   20096dF...C...0000J
3 4621     0.015414     2016AJ....152...50T

Detailed information for each entry

No. 1
Name in publication  : GSC 5542 01145                
Coordinates          : 125422.8                 -132657.         B1950
Features targeted    : Optical                       
Velocity or redshift :  4621           km/s                     z=   0.015414
Uncertainty          : +/-33                                    +/-  0.000110
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 J1257006-134310 Coordinates : 125700.56 -134309.6 J2000 Features targeted : Optical Velocity or redshift : 4479 km/s z= 0.014940 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 : 4621 km/s z= 0.015414 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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