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Date and Time of the Query: 2019-02-20 T05:54:38 PST
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Redshift data point(s) for object NGC 6921

10 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4337   10   0.014467   0.000033   2003A&A...412...57P
1 4211   13   0.014046   0.000043   2015ApJS..218...10V
2 Optical 4281   30   0.014280   0.000100   2000UZC...C......0F
3 Optical 4283   36   0.014287   0.000120   1999ApJS..121..287H
4 Optical 4317   40   0.014400   0.000133   1956AJ.....61...97H
5 Optical lines 4399   50   0.014673   0.000167   1991RC3.9.C...0000d
6 4317     0.014400     2012MNRAS.426.1750M
7 4329     0.014440     2015A&A...577A..78P
8 4337     0.014467     2016ApJ...819...11V
9 4399     0.014673     2013ApJ...766..108M
10 Optical 4797     0.016001     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  4210.8         km/s                     z=   0.014046
Uncertainty          : +/-13.0                                  +/-  0.000043
Unc. Significance    : uncertainty
Reference Code       : 2015ApJS..218...10V

Measurement Mode     :

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Uncertain origin

NED Comment          :                                         



No. 2 Name in publication : UZC J202828.8+254324 Coordinates : 202828.8 +254324. J2000 Features targeted : Optical Velocity or redshift : 4281 km/s z= 0.014280 Uncertainty : +/-30 +/- 0.000100 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F Measurement Mode : Spectral range : Optical Features : Absorption 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. 3 Name in publication : NGC 6921 Coordinates : 202620.8 253322. B1950 Features targeted : Optical Velocity or redshift : 4283 km/s z= 0.014287 Uncertainty : +/-36 +/- 0.000120 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. 4 Name in publication : NGC 6921 Coordinates : 202624 +2533.0 B1950 Features targeted : Optical Velocity or redshift : 4317 z= 0.014400 Uncertainty : +/-40 km/s +/- 0.000133 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. 5 Name in publication : UGC 11570 Coordinates : 202620.9 +253323 B1950 Features targeted : Optical lines Velocity or redshift : 4399 km/s z= 0.014673 Uncertainty : +/-50 +/- 0.000167 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 : IGR J20286+2544:[RTC2009] 2 Coordinates : 202828.90 +254324.6 J2000 Features targeted : Velocity or redshift : 4317 km/s z= 0.014400 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2012MNRAS.426.1750M Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 7 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4329 km/s z= 0.014440 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015A&A...577A..78P Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 8 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4337 km/s z= 0.014467 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016ApJ...819...11V Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 9 Name in publication : NGC 6921 Coordinates : 202828.8 +254324. J2000 Features targeted : Velocity or redshift : 4399 km/s z= 0.014673 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. 10 Name in publication : NGC 6921 Coordinates : 202620.8 +253323. B1950 Features targeted : Optical Velocity or redshift : 4797 km/s z= 0.016001 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 1988AJ.....95.1031H



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