NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-26 T12:29:19 PDT
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Redshift data point(s) for object NGC 6257

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4692   17   0.015651   0.000057   2002AJ....124.1266R
1 Optical features 4689   2   0.015641   0.000008   2004SDSS2.C...0000:
2 4694   3   0.015658   0.000010   2016SDSSD.C...0000:
3 Optical features 4706   30   0.015696   0.000099   2004SDSS2.C...0000:

Detailed information for each entry

No. 1
Name in publication  : SDSS J165603.51+393843.8      
Coordinates          : 254.014633               39.645512        J2000
Features targeted    : Optical features              
Velocity or redshift :  0.015641                                z=   0.015641
Uncertainty          : +/-0.000008                              +/-  0.000008
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          :                                         



No. 2 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.015657835 z= 0.015658 Uncertainty : +/-1.0251512E-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. 3 Name in publication : SDSS J165603.51+393843.8 Coordinates : 254.014633 39.645512 J2000 Features targeted : Optical features Velocity or redshift : 0.015696 z= 0.015696 Uncertainty : +/-0.000099 +/- 0.000099 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 :



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