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Date and Time of the Query: 2019-05-20 T19:28:14 PDT
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Redshift data point(s) for object NGC 4993

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2916   15   0.009727   0.000050   1991RC3.9.C...0000d
1 Optical lines 2916   15   0.009727   0.000050   1991RC3.9.C...0000d
2 Optical 2951   26   0.009843   0.000087   2003AJ....126.2268W
3 Optical 2944   35   0.009820   0.000117   1998AJ....116....1D
4 Optical 2902   45   0.009680   0.000150   20096dF...C...0000J
5 Optical 2944     0.009820     1992CORV..C...0000F
6 Optical 2915     0.009723     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : ESO 508- G 018                
Coordinates          : 130705.0                 -230706          B1950
Features targeted    : Optical lines                 
Velocity or redshift :  2916           km/s                     z=   0.009727
Uncertainty          : +/-15                                    +/-  0.000050
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          :                                         



No. 2 Name in publication : NGC 4993 Coordinates : 130947.1 -232303. J2000 Features targeted : Optical Velocity or redshift : 2951 km/s z= 0.009843 Uncertainty : +/-26 +/- 0.000087 Unc. Significance : uncertainty Reference Code : 2003AJ....126.2268W Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum 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. 3 Name in publication : ESO 508- G 018 Coordinates : 130705.0 -230706. B1950 Features targeted : Optical Velocity or redshift : 2944 km/s z= 0.009820 Uncertainty : +/-35 +/- 0.000117 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. 4 Name in publication : 6dF J1309477-232302 Coordinates : 130947.70 -232302.0 J2000 Features targeted : Optical Velocity or redshift : 2902 km/s z= 0.009680 Uncertainty : +/-45 +/- 0.000150 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. 5 Name in publication : NGC 4993 Coordinates : 130705.0 -230706. B1950 Features targeted : Optical Velocity or redshift : 2944 km/s z= 0.009820 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1992CORV..C...0000F Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : From 1986AJ.....91....6D


No. 6 Name in publication : NGC 4993 Coordinates : 130705.0 -230706. B1950 Features targeted : Optical Velocity or redshift : 2915 km/s z= 0.009723 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1992CORV..C...0000F Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : From 1988UToul.T00A....P



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