NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-21 T01:47:21 PDT
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Redshift data point(s) for object NGC 6491

2 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   5373   17   0.017922   0.000057   1991RC3.9.C...0000d
1 21-cm HI line 5373   17   0.017922   0.000057   1991RC3.9.C...0000d
2 Optical 6212   53   0.020721   0.000177   2000UZC...C......0F

Detailed information for each entry

No. 1
Name in publication  : UGC 11008                     
Coordinates          : 174930.6                 +613238          B1950
Features targeted    : 21-cm HI line                 
Velocity or redshift :  5373           km/s                     z=   0.017922
Uncertainty          : +/-17                                    +/-  0.000057
Unc. Significance    : rms uncertainty
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. 2 Name in publication : UZC J175000.7+613154 Coordinates : 175000.7 +613154. J2000 Features targeted : Optical Velocity or redshift : 6212 km/s z= 0.020721 Uncertainty : +/-53 +/- 0.000177 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F Measurement Mode : Spectral range : Optical 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 :



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