NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-25 T20:46:41 PDT
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Redshift data point(s) for object NGC 3950

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   22365   56   0.074602   0.000187   2005SDSS4.C...0000:
1 22366   5   0.074603   0.000016   2016SDSSD.C...0000:
2 Optical features 22365   56   0.074602   0.000187   2005SDSS4.C...0000:
3 Optical features -2381   325   -0.007941   0.001083   2005SDSS4.C...0000:

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.07460337                              z=   0.074603
Uncertainty          : +/-1.5675623E-5                          +/-  0.000016
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 J115341.41+475304.5 Coordinates : 178.422546 47.884575 J2000 Features targeted : Optical features Velocity or redshift : 0.074602 z= 0.074602 Uncertainty : +/-0.000187 +/- 0.000187 Unc. Significance : uncertainty Reference Code : 2005SDSS4.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_em and z_xcorr are inconsistent


No. 3 Name in publication : SDSS J115341.41+475304.5 Coordinates : 178.422546 47.884575 J2000 Features targeted : Optical features Velocity or redshift : -.007941 z= -0.007941 Uncertainty : +/-0.001083 +/- 0.001083 Unc. Significance : uncertainty Reference Code : 2005SDSS4.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_em and z_xcorr are inconsistent



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