NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-24 T19:12:50 PDT
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Redshift data point(s) for object NGC 7521

2 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   6941   21   0.023153   0.000070   1999PASP..111..438F
1 Optical 6941   21   0.023153   0.000070   2000UZC...C......0F
2 Optical 6869   25   0.022913   0.000083   1999ApJS..121..287H

Detailed information for each entry

No. 1
Name in publication  : UZC J231335.3-014353          
Coordinates          : 231335.3                 -014353.         J2000
Features targeted    : Optical                       
Velocity or redshift :  6941           km/s                     z=   0.023153
Uncertainty          : +/-21                                    +/-  0.000070
Unc. Significance    : uncertainty
Reference Code       : 2000UZC...C......0F

Measurement Mode     :
    Spectral range   : Optical
    Features         :   Absorption 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 : NGC 7521 Coordinates : 231106.0 -020000. B1950 Features targeted : Optical Velocity or redshift : 6869 km/s z= 0.022913 Uncertainty : +/-25 +/- 0.000083 Unc. Significance : uncertainty Reference Code : 1999ApJS..121..287H Measurement Mode : Spectral range : Optical Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :



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