NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-21 T23:28:18 PDT
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Redshift data point(s) for object NGC 2921

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2961   5   0.009877   0.000017   1993A&AS..102...57B
1 21-cm 2961   5   0.009877   0.000017   1998A&AS..130..333T
2 21-cm 2964   6   0.009886   0.000019   2006HIPAS.C...0000:
3 2969   7   0.009904   0.000023   2004AJ....128...16K
4 2963     0.009884     2016AJ....152...50T
5 2967     0.009897     2015MNRAS.447.1531C
6 2967     0.009897     2014MNRAS.444..527S

Detailed information for each entry

No. 1
Name in publication  : PGC 027214                    
Coordinates          : 093212.                  -204154.         B1950
Features targeted    : 21-cm                         
Velocity or redshift :  2961           km/s                     z=   0.009877
Uncertainty          : +/-5                                     +/-  0.000017
Unc. Significance    : mean error
Reference Code       : 1998A&AS..130..333T

Measurement Mode     :
    Spectral range   : Radio
    Spectrograph     : Heterodyne receiver(e.g., 21-cm)
    Features         : 1 Emission lines
    Technique        : Mid-point of line profile at 20% lvel
    Spatial mode     : Redshift is systemic

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : From new, raw data

NED Comment          :                                         



No. 2 Name in publication : HIPASS J0934-20 Coordinates : 093431.0 -205503 J2000 Features targeted : 21-cm Velocity or redshift : 2963.8 km/s z= 0.009886 Uncertainty : +/-5.6 +/- 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. 3 Name in publication : NGC 2921 Coordinates : Features targeted : Velocity or redshift : 0.009904 z= 0.009904 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. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 2963 km/s z= 0.009884 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. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 2967 km/s z= 0.009897 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. 6 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.009897 z= 0.009897 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014MNRAS.444..527S Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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