NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-16 T21:40:51 PST
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Redshift data point(s) for object NGC 3956

15 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   1653   5   0.005514   0.000017   1991RC3.9.C...0000d
1 1645   5   0.005487   0.000017   1993AJ....106.1394B
2 21-cm HI line 1653   5   0.005514   0.000017   1991RC3.9.C...0000d
3 21-cm 1656   6   0.005525   0.000019   2006HIPAS.C...0000:
4 1656   6   0.005524   0.000020   2004AJ....128...16K
5 21-cm 1653   10   0.005514   0.000033   1996ApJS..107...97M
6 Optical 1677   45   0.005594   0.000150   20096dF...C...0000J
7 Optical lines 1630   52   0.005437   0.000173   1991RC3.9.C...0000d
8 Optical 726     0.002422     1992CORV..C...0000F
9 Optical 1630     0.005437     1992CORV..C...0000F
10 1652     0.005510     2008ApJ...676..184T
11 1657     0.005527     2013AJ....146...86T
12 1657     0.005527     2014MNRAS.444..527S
13 1657     0.005527     2015MNRAS.447.1531C
14 1657     0.005527     2016AJ....152...50T
15 1677     0.005594     2017ApJ...843...16K

Detailed information for each entry

No. 1
Name in publication  : NGC 3956                      
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.0054870001000                          z=   0.005487
Uncertainty          : +/-1.70000003e-05                          +/-  0.000017
Unc. Significance    : uncertainty
Reference Code       : 1993AJ....106.1394B

Measurement Mode     :

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Uncertain origin

NED Comment          :                                         



No. 2 Name in publication : ESO 572- G 013 Coordinates : 115128.0 -201718 B1950 Features targeted : 21-cm HI line Velocity or redshift : 1653 km/s z= 0.005514 Uncertainty : +/-5 +/- 0.000017 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. 3 Name in publication : HIPASS J1154-20 Coordinates : 115402.8 -203400 J2000 Features targeted : 21-cm Velocity or redshift : 1656.5 km/s z= 0.005525 Uncertainty : +/-5.6 +/- 0.000019 Unc. Significance : estimated error Reference Code : 2006HIPAS.C...0000: Measurement Mode : Spectral range : Radio Spectrograph : Heterodyne receiver(e.g., 21-cm) Features : 1 Emission lines Technique : Mid-point of line profile at 50% lvel Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment : Confused source


No. 4 Name in publication : NGC 3956 Coordinates : Features targeted : Velocity or redshift : 0.005524 z= 0.005524 Uncertainty : +/-0.000020 +/- 0.000020 Unc. Significance : uncertainty Reference Code : 2004AJ....128...16K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 5 Name in publication : ESO 572- G 013 Coordinates : 115128 -201718 B1950 Features targeted : 21-cm Velocity or redshift : 1653 km/s z= 0.005514 Uncertainty : +/-10 +/- 0.000033 Unc. Significance : internal error Reference Code : 1996ApJS..107...97M Measurement Mode : Spectral range : Radio Spectrograph : Heterodyne receiver(e.g., 21-cm) Features : 1 Emission lines Technique : Mid-point of line profile at 50% lvel Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment :


No. 6 Name in publication : 6dF J1154006-203402 Coordinates : 115400.69 -203402.4 J2000 Features targeted : Optical Velocity or redshift : 1677 km/s z= 0.005594 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. 7 Name in publication : ESO 572- G 013 Coordinates : 115128.0 -201718 B1950 Features targeted : Optical lines Velocity or redshift : 1630 km/s z= 0.005437 Uncertainty : +/-52 +/- 0.000173 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. 8 Name in publication : NGC 3956 Coordinates : 115128.0 -201718. B1950 Features targeted : Optical Velocity or redshift : 726 km/s z= 0.002422 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 1980JApA....1..129L


No. 9 Name in publication : NGC 3956 Coordinates : 115128.0 -201718. B1950 Features targeted : Optical Velocity or redshift : 1630 km/s z= 0.005437 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 1989AJ.....97.1576M


No. 10 Name in publication : PGC 037325 Coordinates : Features targeted : Velocity or redshift : 0.005510 z= 0.005510 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2008ApJ...676..184T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 11 Name in publication : NGC 3956 Coordinates : 115400.7 -203402.1 J2000 Features targeted : Velocity or redshift : 1657 km/s z= 0.005527 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013AJ....146...86T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 12 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.005527 z= 0.005527 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014MNRAS.444..527S Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 13 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1657 km/s z= 0.005527 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015MNRAS.447.1531C Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 14 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1657 km/s z= 0.005527 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016AJ....152...50T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 15 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1677 km/s z= 0.005594 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2017ApJ...843...16K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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