NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-19 T18:49:46 PST
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Redshift data point(s) for object NGC 7251

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4866   3   0.016231   0.000010   2003A&A...412...57P
1 21-cm 4866   6   0.016231   0.000019   2006HIPAS.C...0000:
2 4866   7   0.016231   0.000023   2004AJ....128...16K
3 Optical 4877   36   0.016268   0.000120   1998AJ....116....1D
4 21-cm HI line 4860     0.016211     1991RC3.9.C...0000d
5 4865     0.016228     2015MNRAS.447.1531C

Detailed information for each entry

No. 1
Name in publication  : HIPASS J2220-15               
Coordinates          : 222027.4                 -154458          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  4865.8         km/s                     z=   0.016231
Uncertainty          : +/-5.7                                   +/-  0.000019
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 : NGC 7251 Coordinates : Features targeted : Velocity or redshift : 0.016231 z= 0.016231 Uncertainty : +/-0.000023 +/- 0.000023 Unc. Significance : uncertainty Reference Code : 2004AJ....128...16K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 3 Name in publication : MCG -03-57-002 Coordinates : 221748.0 -160200. B1950 Features targeted : Optical Velocity or redshift : 4877 km/s z= 0.016268 Uncertainty : +/-36 +/- 0.000120 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. 4 Name in publication : MCG -03-57-002 Coordinates : 2217.7 -1601 B1950 Features targeted : 21-cm HI line Velocity or redshift : 4860 km/s z= 0.016211 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 :


No. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4865 km/s z= 0.016228 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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