NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-16 T08:27:34 PST
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Redshift data point(s) for object NGC 7284

3 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4681   18   0.015614   0.000060   2006A&A...457..425C
1 Optical 4677   45   0.015601   0.000150   20096dF...C...0000J
2 Optical lines 4544   65   0.015157   0.000217   1991RC3.9.C...0000d
3 Optical 4527     0.015100     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : 6dF J2228359-245039           
Coordinates          : 222835.93                -245038.9        J2000
Features targeted    : Optical                       
Velocity or redshift :  4677           km/s                     z=   0.015601
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. 2 Name in publication : ESO 533-IG 031 Coordinates : 222550.0 -250600 B1950 Features targeted : Optical lines Velocity or redshift : 4544 km/s z= 0.015157 Uncertainty : +/-65 +/- 0.000217 Unc. Significance : rms uncertainty 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 :


No. 3 Name in publication : NGC 7284 Coordinates : 222550.0 -250600. B1950 Features targeted : Optical Velocity or redshift : 4527 km/s z= 0.015100 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1992CORV..C...0000F Measurement Mode : Spectral range : Optical Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : From 1985ApJS...57..643D



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