NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-23 T15:48:27 PDT
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Redshift data point(s) for object NGC 7401

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   5021   68   0.016748   0.000226   2004SDSS2.C...0000:
1 4931   3   0.016449   0.000010   2016SDSSD.C...0000:
2 Optical features 5021   68   0.016748   0.000226   2004SDSS2.C...0000:
3 Optical features > 30000     0.625971   0.000292   2004SDSS2.C...0000:
4 5005     0.016696     2015MNRAS.448.3442G
5 5114     0.017057     2015ApJ...810..166E

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.016449466                             z=   0.016449
Uncertainty          : +/-1.0288317E-5                          +/-  0.000010
Unc. Significance    : uncertainty
Reference Code       : 2016SDSSD.C...0000:

Measurement Mode     :

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Uncertain origin

NED Comment          :                                         



No. 2 Name in publication : SDSS J225258.56+010833.6 Coordinates : 343.244019 1.142666 J2000 Features targeted : Optical features Velocity or redshift : 0.016748 z= 0.016748 Uncertainty : +/-0.000226 +/- 0.000226 Unc. Significance : uncertainty Reference Code : 2004SDSS2.C...0000: 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 Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment : z_xcorrs are inconsistent


No. 3 Name in publication : SDSS J225258.56+010833.6 Coordinates : 343.244019 1.142666 J2000 Features targeted : Optical features Velocity or redshift : 0.625971 z= 0.625971 Uncertainty : +/-0.000292 +/- 0.000292 Unc. Significance : uncertainty Reference Code : 2004SDSS2.C...0000: Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed Features : Emission lines Technique : Individual line fitting Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment : z_xcorrs are inconsistent


No. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.0166959 z= 0.016696 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015MNRAS.448.3442G Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 5113.59 km/s z= 0.017057 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015ApJ...810..166E Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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