NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-21 T09:30:50 PDT
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Redshift data point(s) for object NGC 1221

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   8625   45   0.028770   0.000150   20096dF...C...0000J
1 Optical 8625   45   0.028770   0.000150   20096dF...C...0000J
2 Optical 8596   55   0.028673   0.000183   1998AJ....116....1D
3 8625     0.028770     2015A&A...578A..61D
4 8629     0.028783     2016AJ....152...50T

Detailed information for each entry

No. 1
Name in publication  : 6dF J0308155-041534           
Coordinates          : 030815.53                -041534.1        J2000
Features targeted    : Optical                       
Velocity or redshift :  8625           km/s                     z=   0.028770
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. 2 Name in publication : GSC 4710 00989 Coordinates : 030545.5 -042700. B1950 Features targeted : Optical Velocity or redshift : 8596 km/s z= 0.028673 Uncertainty : +/-55 +/- 0.000183 Unc. Significance : internal error Reference Code : 1998AJ....116....1D Measurement Mode : Spectral range : Optical 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. 3 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.02877 z= 0.028770 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015A&A...578A..61D Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 8629 km/s z= 0.028783 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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