NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T23:49:39 PDT
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Redshift data point(s) for object IC 4936

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3910   10   0.013042   0.000033   1992ApJS...81..413M
1 H-alpha 3910   10   0.013042   0.000033   1996ApJS..107...97M
2 21-cm 3899   10   0.013004   0.000035   2006HIPAS.C...0000:
3 Optical 3959   45   0.013206   0.000150   20096dF...C...0000J
4 Optical 3925     0.013092     1997AJ....113...22G

Detailed information for each entry

No. 1
Name in publication  : ESO 143- G 006                
Coordinates          : 200133                   -613412          B1950
Features targeted    : H-alpha                       
Velocity or redshift :  3910           km/s                     z=   0.013042
Uncertainty          : +/-10                                    +/-  0.000033
Unc. Significance    : internal error
Reference Code       : 1996ApJS..107...97M

Measurement Mode     :
    Spectral range   : Optical
    Spectrograph     : Long-slit spectrum
    Features         : 1 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; Corrected for contaminating sources

NED Comment          :                                         



No. 2 Name in publication : HIPASS J2005-61 Coordinates : 200547.2 -612548 J2000 Features targeted : 21-cm Velocity or redshift : 3898.4 km/s z= 0.013004 Uncertainty : +/-10.5 +/- 0.000035 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 :


No. 3 Name in publication : 6dF J2005522-612543 Coordinates : 200552.20 -612542.7 J2000 Features targeted : Optical Velocity or redshift : 3959 km/s z= 0.013206 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 : IC 4936 Coordinates : 200133.0 -613412 B1950 Features targeted : Optical Velocity or redshift : 3844 km/s z= 0.013092 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1997AJ....113...22G Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Emission lines 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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