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Date and Time of the Query: 2019-04-19 T00:17:48 PDT
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Redshift data point(s) for object NGC 4681

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3313   42   0.011051   0.000140   1991RC3.9.C...0000d
1 Optical lines 3313   42   0.011051   0.000140   1991RC3.9.C...0000d
2 Optical 3268   44   0.010901   0.000147   1992ApJS...83...29S
3 Optical 3237   45   0.010797   0.000150   20096dF...C...0000J
4 Optical 3270   100   0.010908   0.000334   1992CORV..C...0000F
5 Optical 3309     0.011038     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : ESO 268- G 040                
Coordinates          : 124443.0                 -430342          B1950
Features targeted    : Optical lines                 
Velocity or redshift :  3313           km/s                     z=   0.011051
Uncertainty          : +/-42                                    +/-  0.000140
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 : IRAS 12446-4303 Coordinates : 124441.5 -430335 B1950 Features targeted : Optical Velocity or redshift : 3268 km/s z= 0.010901 Uncertainty : +/-44 +/- 0.000147 Unc. Significance : estimated error Reference Code : 1992ApJS...83...29S Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Emission lines Technique : Individual line fitting Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 3 Name in publication : 6dF J1247287-432005 Coordinates : 124728.81 -432005.3 J2000 Features targeted : Optical Velocity or redshift : 3237 km/s z= 0.010797 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. 4 Name in publication : NGC 4681 Coordinates : 124443.0 -430342. B1950 Features targeted : Optical Velocity or redshift : 3270 km/s z= 0.010908 Uncertainty : +/-100 +/- 0.000334 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 1989A&AS...78..269F


No. 5 Name in publication : NGC 4681 Coordinates : 124443.0 -430342. B1950 Features targeted : Optical Velocity or redshift : 3309 km/s z= 0.011038 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 1986MNRAS.220..679D



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