NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-17 T19:42:23 PDT
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Redshift data point(s) for object IC 4808

7 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   5081   7   0.016950   0.000024   2006HIPAS.C...0000:
1 21-cm 5081   7   0.016950   0.000024   2006HIPAS.C...0000:
2 H-alpha 5084   10   0.016958   0.000033   1996ApJS..107...97M
3 21-cm 5094   10   0.016992   0.000033   1996ApJS..107...97M
4 Optical 5080   32   0.016945   0.000107   1992CORV..C...0000F
5 Optical lines 5080   40   0.016945   0.000133   1991RC3.9.C...0000d
6 5086     0.016965     2013AJ....146...86T
7 5086     0.016965     2016AJ....152...50T

Detailed information for each entry

No. 1
Name in publication  : HIPASS J1901-45               
Coordinates          : 190105.4                 -451910          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  5081.5         km/s                     z=   0.016950
Uncertainty          : +/-7.3                                   +/-  0.000024
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          :                                         



No. 2 Name in publication : ESO 282- G 003 Coordinates : 185728 -452306 B1950 Features targeted : H-alpha Velocity or redshift : 5084 km/s z= 0.016958 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. 3 Name in publication : ESO 282- G 003 Coordinates : 185728 -452306 B1950 Features targeted : 21-cm Velocity or redshift : 5094 km/s z= 0.016992 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. 4 Name in publication : IC 4808 Coordinates : 185728.0 -452306. B1950 Features targeted : Optical Velocity or redshift : 5080 km/s z= 0.016945 Uncertainty : +/-32 +/- 0.000107 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 1986PASP...98.1273P


No. 5 Name in publication : ESO 282- G 003 Coordinates : 185728.0 -452306 B1950 Features targeted : Optical lines Velocity or redshift : 5080 km/s z= 0.016945 Uncertainty : +/-40 +/- 0.000133 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 : IC 4808 Coordinates : 190107.6 -451849.2 J2000 Features targeted : Velocity or redshift : 5086 km/s z= 0.016965 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. 7 Name in publication : Coordinates : Features targeted : Velocity or redshift : 5086 km/s z= 0.016965 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 :



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