NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T09:46:57 PDT
Help | Comment | NED Home

Redshift data point(s) for object NGC 0228

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   7416   45   0.024737   0.000150   1999PASP..111..438F
1 21-cm 7391   4   0.024654   0.000012   2005ApJS..160..149S
2 Optical 7327   9   0.024440   0.000030   1999ApJS..121..287H
3 Optical 7416   45   0.024737   0.000150   2000UZC...C......0F
4 21-cm HI line 7314     0.024397     1991RC3.9.C...0000d

Detailed information for each entry

No. 1
Name in publication  : UGC 00458                     
Coordinates          : 004254.5                 +233013          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  7391           km/s                     z=   0.024654
Uncertainty          : +/-3                                     +/-  0.000012
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' Fair.  Arecibo data.          



No. 2 Name in publication : NGC 0228 Coordinates : 004010.4 231300. B1950 Features targeted : Optical Velocity or redshift : 7327 km/s z= 0.024440 Uncertainty : +/-9 +/- 0.000030 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 J004254.5+233011 Coordinates : 004254.5 +233011. J2000 Features targeted : Optical Velocity or redshift : 7416 km/s z= 0.024737 Uncertainty : +/-45 +/- 0.000150 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F Measurement Mode : Spectral range : Optical Features : Absorption 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 : UGC 00458 Coordinates : 0040.1 +2313 B1950 Features targeted : 21-cm HI line Velocity or redshift : 7314 km/s z= 0.024397 Uncertainty : No uncertainty given Unc. Significance : no unc. reported 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 :



Back to NED Home