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Date and Time of the Query: 2019-06-26 T18:25:44 PDT
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Redshift data point(s) for object NGC 7028

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4891   5   0.016315   0.000017   1993AJ....105.1271G
1 21-cm 4891   1   0.016315   0.000002   2005ApJS..160..149S
2 21-cm HI line 4891   5   0.016315   0.000017   1993AJ....105.1271G
3 Optical 4896   30   0.016331   0.000100   1999ApJS..121..287H
4 Optical 4894   41   0.016325   0.000137   2000UZC...C......0F
5 4890     0.016311     2015MNRAS.447.1531C

Detailed information for each entry

No. 1
Name in publication  : UGC 11676                     
Coordinates          : 210550.0                 +182805          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  4891           km/s                     z=   0.016315
Uncertainty          : +/-1                                     +/-  0.000002
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 : CGCG 448-039 Coordinates : 210331.5 +181600 B1950 Features targeted : 21-cm HI line Velocity or redshift : 4891 km/s z= 0.016315 Uncertainty : +/-5 +/- 0.000017 Unc. Significance : internal error Reference Code : 1993AJ....105.1271G 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. 3 Name in publication : CGCG 2103.4+1816 Coordinates : 210331.5 181600. B1950 Features targeted : Optical Velocity or redshift : 4896 km/s z= 0.016331 Uncertainty : +/-30 +/- 0.000100 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 : UZC J210550.1+182805 Coordinates : 210550.1 +182805. J2000 Features targeted : Optical Velocity or redshift : 4894 km/s z= 0.016325 Uncertainty : +/-41 +/- 0.000137 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. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4890 km/s z= 0.016311 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 :



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