NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-23 T19:31:02 PDT
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Redshift data point(s) for object NGC 7657

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3178   6   0.010599   0.000021   2006HIPAS.C...0000:
1 21-cm 3178   6   0.010599   0.000021   2006HIPAS.C...0000:
2 Optical 3141   30   0.010477   0.000100   1991ApJS...75..935d
3 Optical 3204   45   0.010687   0.000150   20096dF...C...0000J
4 Optical lines 3135     0.010457     1991RC3.9.C...0000d

Detailed information for each entry

No. 1
Name in publication  : HIPASS J2326-57               
Coordinates          : 232647.0                 -574659          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  3177.5         km/s                     z=   0.010599
Uncertainty          : +/-6.2                                   +/-  0.000021
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          : Confused source                         



No. 2 Name in publication : ESO 148-IG 012 Coordinates : 232357. -5804.8 B1950 Features targeted : Optical Velocity or redshift : 3141 km/s z= 0.010477 Uncertainty : +/-30 +/- 0.000100 Unc. Significance : estimated error Reference Code : 1991ApJS...75..935d 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 :


No. 3 Name in publication : 6dF J2326475-574821 Coordinates : 232647.51 -574820.7 J2000 Features targeted : Optical Velocity or redshift : 3204 km/s z= 0.010687 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. 4 Name in publication : ESO 148-IG 012 Coordinates : 232357.1 -580448 B1950 Features targeted : Optical lines Velocity or redshift : 3135 km/s z= 0.010457 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :



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