NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-19 T03:19:32 PDT
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Redshift data point(s) for object NGC 7258

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3842   10   0.012816   0.000033   1996ApJS..107...97M
1 21-cm 3842   10   0.012816   0.000033   1996ApJS..107...97M
2 Optical 3875   46   0.012926   0.000153   1991ApJS...75..935d
3 Optical lines 3875   52   0.012926   0.000173   1991RC3.9.C...0000d
4 Optical 3771   55   0.012579   0.000183   20096dF...C...0000J
5 Optical 3875     0.012926     1992CORV..C...0000F
6 21-cm 3842     0.012815     1997AJ....113...22G

Detailed information for each entry

No. 1
Name in publication  : ESO 467- G 049                
Coordinates          : 222009                   -283554          B1950
Features targeted    : 21-cm                         
Velocity or redshift :  3842           km/s                     z=   0.012816
Uncertainty          : +/-10                                    +/-  0.000033
Unc. Significance    : internal error
Reference Code       : 1996ApJS..107...97M

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; Corrected for contaminating sources

NED Comment          :                                         



No. 2 Name in publication : ESO 467- G 049 Coordinates : 222009. -2835.9 B1950 Features targeted : Optical Velocity or redshift : 3875 km/s z= 0.012926 Uncertainty : +/-46 +/- 0.000153 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 : ESO 467- G 049 Coordinates : 222009.0 -283554 B1950 Features targeted : Optical lines Velocity or redshift : 3875 km/s z= 0.012926 Uncertainty : +/-52 +/- 0.000173 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. 4 Name in publication : 6dF J2222580-282043 Coordinates : 222258.08 -282042.5 J2000 Features targeted : Optical Velocity or redshift : 3771 km/s z= 0.012579 Uncertainty : +/-55 +/- 0.000183 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. 5 Name in publication : NGC 7258 Coordinates : 222009.0 -283554. B1950 Features targeted : Optical Velocity or redshift : 3875 km/s z= 0.012926 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 1989AJ.....97.1576M


No. 6 Name in publication : NGC 7258 Coordinates : 2220 9.0 -283554 B1950 Features targeted : 21-cm Velocity or redshift : 3548 km/s z= 0.012815 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1997AJ....113...22G Measurement Mode : Spectral range : Radio Spectrograph : Heterodyne receiver(e.g., 21-cm) Features : 1 Emission lines Spatial mode : Redshift is systemic Reference Frame : Corrected for total motion w.r.t microwave background Apex : Amplitude : 370 Longitude : 264.4 Latitude : +48.4 System : Galactic Qualifiers : Homogenized from previously published data NED Comment :



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