NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-25 T06:54:29 PDT
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Redshift data point(s) for object ABELL 2721

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   > 30000     0.114412   0.000334   2006ApJ...638..725Z
1 Optical > 30000     0.114866   0.001721   1995MNRAS.274.1071C
2 > 30000     0.114700     2011A&A...534A.109P
3 > 30000     0.114700     2015MNRAS.448.2644H
4 Optical > 30000     0.116000     1994MNRAS.269..151D

Detailed information for each entry

No. 1
Name in publication  : EDCC 400                      
Coordinates          : 000339.1                 -345849          B1950
Features targeted    : Optical                       
Velocity or redshift :  34436          km/s                     z=   0.114866
Uncertainty          : +/-516                                   +/-  0.001721
Unc. Significance    : mean error
Reference Code       : 1995MNRAS.274.1071C

Measurement Mode     :
    Spectral range   : Optical
    Spectrograph     : Multi-slit spectrum
    Features         : 7 Absorption lines
    Technique        : Cross-correlation fit to template spectrum
    Spatial mode     : Average over multiple(7) objects

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : From new, raw data; Corrected for contaminating sources

NED Comment          :                                         



No. 2 Name in publication : RXC J0006.0-3443 Coordinates : Features targeted : Velocity or redshift : 0.114700 z= 0.114700 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2011A&A...534A.109P Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 3 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.1147 z= 0.114700 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015MNRAS.448.2644H Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 4 Name in publication : APM 000343.5-345905 Coordinates : 000343.5 -345905 B1950 Features targeted : Optical Velocity or redshift : 0.116 z= 0.116000 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1994MNRAS.269..151D Measurement Mode : Spectral range : Optical Spatial mode : Average over multiple( ) objects Reference Frame : Qualifiers : Averaged from previously published data NED Comment :



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