NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-20 T11:27:00 PDT
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Redshift data point(s) for object NGC 7498

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   7966   31   0.026572   0.000103   20096dF...C...0000J
1 Optical 7966   31   0.026572   0.000103   20096dF...C...0000J
2 Optical 7706   49   0.025704   0.000163   1998AJ....116....1D
3 Optical 7974   64   0.026600   0.000213   20032dF...C...0000C

Detailed information for each entry

No. 1
Name in publication  : 6dF J2309562-242530           
Coordinates          : 230956.20                -242530.2        J2000
Features targeted    : Optical                       
Velocity or redshift :  7966           km/s                     z=   0.026572
Uncertainty          : +/-31                                    +/-  0.000103
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. 2 Name in publication : GSC 6972 00740 Coordinates : 230715.6 -244148. B1950 Features targeted : Optical Velocity or redshift : 7706 km/s z= 0.025704 Uncertainty : +/-49 +/- 0.000163 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. 3 Name in publication : 2dFGRS S071Z226 Coordinates : 23 09 56.23 -24 25 31.0 J2000 Features targeted : Optical Velocity or redshift : 0.0266 z= 0.026600 Uncertainty : +/-0.000213 +/- 0.000213 Unc. Significance : rms uncertainty Reference Code : 20032dF...C...0000C Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed Features : Absorption lines Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is for nucleus only Obs. Date : 2001.79 Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :



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