NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-24 T07:17:00 PDT
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Redshift data point(s) for object NGC 7017

2 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   10119   37   0.033753   0.000123   1998AJ....116....1D
1 Optical 10119   37   0.033753   0.000123   1998AJ....116....1D
2 Optical 10342   69   0.034497   0.000230   1998A&AS..129..399K

Detailed information for each entry

No. 1
Name in publication  : GSC 6928 00125                
Coordinates          : 210424.7                 -254122.         B1950
Features targeted    : Optical                       
Velocity or redshift :  10119          km/s                     z=   0.033753
Uncertainty          : +/-37                                    +/-  0.000123
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 : ABELL 3744:[KMD98] 051 Coordinates : 210424.72 -254119.4 B1950 Features targeted : Optical Velocity or redshift : 10342 km/s z= 0.034497 Uncertainty : +/-69 +/- 0.000230 Unc. Significance : estimated error Reference Code : 1998A&AS..129..399K Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed 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 :



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