NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-19 T00:13:07 PDT
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Redshift data point(s) for object IC 1918

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   9281   32   0.030958   0.000107   1999ApJS..121..287H
1 21-cm 9265   3   0.030905   0.000009   2005ApJS..160..149S
2 Optical 9281   32   0.030958   0.000107   1999ApJS..121..287H
3 Optical 9323   53   0.031098   0.000177   2000UZC...C......0F
4 9262     0.030895     2015MNRAS.447.1531C
5 9262     0.030895     2016AJ....152...50T
6 9262     0.030895     2013AJ....146...86T

Detailed information for each entry

No. 1
Name in publication  : AGC 130236                    
Coordinates          : 032617.8                 +043227          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  9265           km/s                     z=   0.030905
Uncertainty          : +/-2                                     +/-  0.000009
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.  Arecibo data.          



No. 2 Name in publication : IC 1918 Coordinates : 032336.0 042200. B1950 Features targeted : Optical Velocity or redshift : 9281 km/s z= 0.030958 Uncertainty : +/-32 +/- 0.000107 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 : UZC J032617.9+043228 Coordinates : 032617.9 +043228. J2000 Features targeted : Optical Velocity or redshift : 9323 km/s z= 0.031098 Uncertainty : +/-53 +/- 0.000177 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. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 9262 km/s z= 0.030895 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. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 9262 km/s z= 0.030895 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. 6 Name in publication : AGC 130236 Coordinates : 032617.9 +043227.7 J2000 Features targeted : Velocity or redshift : 9262 km/s z= 0.030895 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 :



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