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Date and Time of the Query: 2019-06-16 T06:37:49 PDT
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Redshift data point(s) for object IC 4538

10 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2857   4   0.009530   0.000013   1998A&AS..130..333T
1 21-cm 2864   2   0.009553   0.000007   2005ApJS..160..149S
2 21-cm 2857   4   0.009530   0.000013   1998A&AS..130..333T
3 21-cm HI line 2323   10   0.007749   0.000033   1991RC3.9.C...0000d
4 H-alpha 2866   10   0.009560   0.000033   1996ApJS..107...97M
5 Optical 3847   45   0.012832   0.000150   20096dF...C...0000J
6 Optical lines 2891   52   0.009643   0.000173   1991RC3.9.C...0000d
7 2863     0.009550     2016AJ....152...50T
8 2863     0.009550     2013AJ....146...86T
9 2864     0.009553     2015MNRAS.447.1531C
10 Optical 2891     0.009643     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : AGC 031143                    
Coordinates          : 152111.0                 -233927          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  2864           km/s                     z=   0.009553
Uncertainty          : +/-2                                     +/-  0.000007
Unc. Significance    : estimated error
Reference Code       : 2005ApJS..160..149S

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 reprocessed raw data

NED Comment          : 'Quality' Good.  Green Bank 42-m data.  



No. 2 Name in publication : PGC 054776 Coordinates : 151815. -232842. B1950 Features targeted : 21-cm Velocity or redshift : 2857 km/s z= 0.009530 Uncertainty : +/-4 +/- 0.000013 Unc. Significance : mean error Reference Code : 1998A&AS..130..333T Measurement Mode : Spectral range : Radio Spectrograph : Heterodyne receiver(e.g., 21-cm) Features : 1 Emission lines Technique : Mid-point of line profile at 20% lvel Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 3 Name in publication : ESO 514- G 010 Coordinates : 151815.0 -232842 B1950 Features targeted : 21-cm HI line Velocity or redshift : 2323 km/s z= 0.007749 Uncertainty : +/-10 +/- 0.000033 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 : ESO 514- G 010 Coordinates : 151815 -232842 B1950 Features targeted : H-alpha Velocity or redshift : 2866 km/s z= 0.009560 Uncertainty : +/-10 +/- 0.000033 Unc. Significance : internal error Reference Code : 1996ApJS..107...97M Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : 1 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; Corrected for contaminating sources NED Comment :


No. 5 Name in publication : 6dF J1521116-233930 Coordinates : 152111.61 -233930.3 J2000 Features targeted : Optical Velocity or redshift : 3847 km/s z= 0.012832 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. 6 Name in publication : ESO 514- G 010 Coordinates : 151815.0 -232842 B1950 Features targeted : Optical lines Velocity or redshift : 2891 km/s z= 0.009643 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. 7 Name in publication : Coordinates : Features targeted : Velocity or redshift : 2863 km/s z= 0.009550 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. 8 Name in publication : IC 4538 Coordinates : 152111.6 -233930.1 J2000 Features targeted : Velocity or redshift : 2863 km/s z= 0.009550 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. 9 Name in publication : Coordinates : Features targeted : Velocity or redshift : 2864 km/s z= 0.009553 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. 10 Name in publication : IC 4538 Coordinates : 151815.0 -232842. B1950 Features targeted : Optical Velocity or redshift : 2891 km/s z= 0.009643 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



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