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Date and Time of the Query: 2019-06-17 T21:38:01 PDT
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Redshift data point(s) for object IC 4946

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2902   18   0.009680   0.000060   1976RC2...C...0000d
1 Optical 2912   25   0.009713   0.000083   1992CORV..C...0000F
2 Optical lines 2921   30   0.009743   0.000100   1991RC3.9.C...0000d
3 Optical 2923   40   0.009750   0.000133   1991ApJS...75..935d
4 Optical 2954   45   0.009853   0.000150   20096dF...C...0000J
5 Optical 2923     0.009750     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : IC 4946                       
Coordinates          : 202031.0                 -440930.         B1950
Features targeted    : Optical                       
Velocity or redshift :  2912           km/s                     z=   0.009713
Uncertainty          : +/-25                                    +/-  0.000083
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 1978AJ.....83..904S                



No. 2 Name in publication : ESO 285- G 007 Coordinates : 202031.0 -440930 B1950 Features targeted : Optical lines Velocity or redshift : 2921 km/s z= 0.009743 Uncertainty : +/-30 +/- 0.000100 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. 3 Name in publication : ESO 285- G 007 Coordinates : 202031. -4409.5 B1950 Features targeted : Optical Velocity or redshift : 2923 km/s z= 0.009750 Uncertainty : +/-40 +/- 0.000133 Unc. Significance : estimated error Reference Code : 1991ApJS...75..935d Measurement Mode : Spectral range : Optical 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 : 6dF J2023580-435943 Coordinates : 202358.07 -435943.0 J2000 Features targeted : Optical Velocity or redshift : 2954 km/s z= 0.009853 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 : IC 4946 Coordinates : 202031.0 -440930. B1950 Features targeted : Optical Velocity or redshift : 2923 km/s z= 0.009750 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 1984AJ.....89.1310d



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