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Date and Time of the Query: 2018-11-16 T18:31:54 PST
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Redshift data point(s) for object NGC 6946

15 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   40   2   0.000133   0.000007   2008MNRAS.388..500E
1 40   2   0.000133   0.000007   2008MNRAS.388..500E
2 Optical 48   2   0.000160   0.000007   1999ApJS..121..287H
3 21-cm HI line 52   4   0.000173   0.000013   1991RC3.9.C...0000d
4 Optical 2   7   0.000007   0.000023   1992CORV..C...0000F
5 Optical lines 7   21   0.000023   0.000070   1991RC3.9.C...0000d
6 Optical -70   25   -0.000233   0.000083   1956AJ.....61...97H
7 Optical 31   35   0.000103   0.000117   2000UZC...C......0F
8 Optical 38   50   0.000127   0.000167   1956AJ.....61...97H
9 Optical -70   51   -0.000233   0.000171   1956AJ.....61...97H
10 40     0.000133     2011MNRAS.416L..21W
11 40     0.000133     2012A&A...544A..18V
12 48     0.000160     2013ApJ...766..108M
13 48     0.000160     2013ApJ...779...33M
14 48     0.000160     2015A&A...578A..70K
15 51     0.000170     2013AJ....145..101K

Detailed information for each entry

No. 1
Name in publication  : NGC 6946                      
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.000133                                z=   0.000133
Uncertainty          : +/-0.000007                              +/-  0.000007
Unc. Significance    : uncertainty
Reference Code       : 2008MNRAS.388..500E

Measurement Mode     :

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Uncertain origin

NED Comment          :                                         



No. 2 Name in publication : NGC 6946 Coordinates : 203349.6 595849. B1950 Features targeted : Optical Velocity or redshift : 48 km/s z= 0.000160 Uncertainty : +/-2 +/- 0.000007 Unc. Significance : uncertainty Reference Code : 1999ApJS..121..287H Measurement Mode : Spectral range : Optical Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :


No. 3 Name in publication : UGC 11597 Coordinates : 203348.9 +595850 B1950 Features targeted : 21-cm HI line Velocity or redshift : 52 km/s z= 0.000173 Uncertainty : +/-4 +/- 0.000013 Unc. Significance : rms uncertainty Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Radio Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :


No. 4 Name in publication : NGC 6946 Coordinates : 203348.8 +595850. B1950 Features targeted : Optical Velocity or redshift : 2 km/s z= 0.000007 Uncertainty : +/-7 +/- 0.000023 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 1955AJ.....60..254H


No. 5 Name in publication : UGC 11597 Coordinates : 203348.9 +595850 B1950 Features targeted : Optical lines Velocity or redshift : 7 km/s z= 0.000023 Uncertainty : +/-21 +/- 0.000070 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. 6 Name in publication : NGC 6946 Coordinates : 203348 +5959.0 B1950 Features targeted : Optical Velocity or redshift : -70 z= -0.000233 Uncertainty : +/-25 km/s +/- 0.000083 Unc. Significance : estimated error Reference Code : 1956AJ.....61...97H Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Emission lines Technique : Features measured in single-screw engine Spatial mode : Redshift is for non-nuclear emission nebula(e.g., H II region, planetary nebular) Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 7 Name in publication : UZC J203452.8+600911 Coordinates : 203452.8 +600911. J2000 Features targeted : Optical Velocity or redshift : 31 km/s z= 0.000103 Uncertainty : +/-35 +/- 0.000117 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F 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 reprocessed raw data NED Comment :


No. 8 Name in publication : NGC 6946 Coordinates : 203348 +5959.0 B1950 Features targeted : Optical Velocity or redshift : 38 z= 0.000127 Uncertainty : +/-50 km/s +/- 0.000167 Unc. Significance : estimated error Reference Code : 1956AJ.....61...97H Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Both absorption and emission lines Technique : Features measured in single-screw engine Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 9 Name in publication : NGC 6946 Coordinates : 203348 +5959.0 B1950 Features targeted : Optical Velocity or redshift : -70 z= -0.000233 Uncertainty : +/-41 km/s +/- 0.000171 Unc. Significance : average deviation Reference Code : 1956AJ.....61...97H Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : 7 Emission lines Technique : Features measured in single-screw engine Spatial mode : Redshift is for non-nuclear emission nebula(e.g., H II region, planetary nebular) Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 10 Name in publication : NGC 6946 Coordinates : 203452.3 +600914. J2000 Features targeted : Velocity or redshift : 40 km/s z= 0.000133 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2011MNRAS.416L..21W Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 11 Name in publication : NGC 6946 Coordinates : 203452.3320 +600913.248 J2000 Features targeted : Velocity or redshift : 40 km/s z= 0.000133 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2012A&A...544A..18V Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 12 Name in publication : NGC 6946 Coordinates : 203452.3 +600914. J2000 Features targeted : Velocity or redshift : 48 km/s z= 0.000160 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013ApJ...766..108M Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 13 Name in publication : NGC 6946 Coordinates : 203452.3 +600914. J2000 Features targeted : Velocity or redshift : 48 km/s z= 0.000160 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013ApJ...779...33M Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 14 Name in publication : Coordinates : Features targeted : Velocity or redshift : 48 km/s z= 0.000160 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015A&A...578A..70K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 15 Name in publication : NGC 6946 Coordinates : 203451.1 +600915. J2000 Features targeted : Velocity or redshift : 51 km/s z= 0.000170 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013AJ....145..101K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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