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Date and Time of the Query: 2019-04-20 T15:18:14 PDT
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Redshift data point(s) for object NGC 4644B

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4808   2   0.016039   0.000006   2004SDSS3.C...0000:
1 Optical features 4808   2   0.016039   0.000006   2004SDSS3.C...0000:
2 4811   2   0.016048   0.000007   2016SDSSD.C...0000:
3 Optical 4913   19   0.016388   0.000063   1992CORV..C...0000F
4 Optical features 4816   29   0.016064   0.000097   2004SDSS3.C...0000:
5 Optical lines 4913   57   0.016388   0.000190   1991RC3.9.C...0000d

Detailed information for each entry

No. 1
Name in publication  : SDSS J124252.65+550844.9      
Coordinates          : 190.719360               55.145794        J2000
Features targeted    : Optical features              
Velocity or redshift :  0.016039                                z=   0.016039
Uncertainty          : +/-0.000006                              +/-  0.000006
Unc. Significance    : uncertainty
Reference Code       : 2004SDSS3.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 : 0.016048118 z= 0.016048 Uncertainty : +/-6.5771155E-6 +/- 0.000007 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 : MCG +09-21-032 Coordinates : 124030.0 +552500. B1950 Features targeted : Optical Velocity or redshift : 4913 km/s z= 0.016388 Uncertainty : +/-19 +/- 0.000063 Unc. Significance : uncertainty Reference Code : 1992CORV..C...0000F Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : From 1970AJ.....75.1143D


No. 4 Name in publication : SDSS J124252.65+550844.9 Coordinates : 190.719360 55.145794 J2000 Features targeted : Optical features Velocity or redshift : 0.016064 z= 0.016064 Uncertainty : +/-0.000097 +/- 0.000097 Unc. Significance : uncertainty Reference Code : 2004SDSS3.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 :


No. 5 Name in publication : MCG +09-21-032 Coordinates : 1240.5 +5525 B1950 Features targeted : Optical lines Velocity or redshift : 4913 km/s z= 0.016388 Uncertainty : +/-57 +/- 0.000190 Unc. Significance : rms uncertainty Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :



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