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Date and Time of the Query: 2019-04-22 T03:29:59 PDT
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Redshift data point(s) for object NGC 4520

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   7628   39   0.025444   0.000130   1998AJ....116....1D
1 Optical 7628   39   0.025444   0.000130   1998AJ....116....1D
2 Optical 7644   45   0.025498   0.000150   20096dF...C...0000J
3 7645     0.025500     2015A&A...578A..61D
4 7647     0.025508     2016AJ....152...50T
5 7647     0.025508     2013AJ....146...86T

Detailed information for each entry

No. 1
Name in publication  : GSC 4954 00020                
Coordinates          : 123114.9                 -070559.         B1950
Features targeted    : Optical                       
Velocity or redshift :  7628           km/s                     z=   0.025444
Uncertainty          : +/-39                                    +/-  0.000130
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 J1233499-072232 Coordinates : 123349.89 -072231.8 J2000 Features targeted : Optical Velocity or redshift : 7644 km/s z= 0.025498 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 : 0.02550 z= 0.025500 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015A&A...578A..61D Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 7647 km/s z= 0.025508 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 :


No. 5 Name in publication : NGC 4520 Coordinates : 123349.9 -072231.9 J2000 Features targeted : Velocity or redshift : 7647 km/s z= 0.025508 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013AJ....146...86T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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