NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-25 T05:32:00 PDT
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Redshift data point(s) for object NGC 2811

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2368   29   0.007899   0.000097   1998A&AS..130..333T
1 21-cm 2368   29   0.007899   0.000097   1998A&AS..130..333T
2 Optical 2103   45   0.007015   0.000150   20096dF...C...0000J
3 Optical lines 2514   56   0.008386   0.000187   1991RC3.9.C...0000d
4 Optical 2514   75   0.008386   0.000250   1956AJ.....61...97H
5 2356     0.007859     2013AJ....146...86T
6 2356     0.007859     2016AJ....152...50T

Detailed information for each entry

No. 1
Name in publication  : PGC 026151                    
Coordinates          : 091350.                  -160611.         B1950
Features targeted    : 21-cm                         
Velocity or redshift :  2368           km/s                     z=   0.007899
Uncertainty          : +/-29                                    +/-  0.000097
Unc. Significance    : mean error
Reference Code       : 1998A&AS..130..333T

Measurement Mode     :
    Spectral range   : Radio
    Spectrograph     : Heterodyne receiver(e.g., 21-cm)
    Features         : 1 Emission lines
    Technique        : Mid-point of line profile at 20% lvel
    Spatial mode     : Redshift is systemic

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : From new, raw data

NED Comment          :                                         



No. 2 Name in publication : 6dF J0916111-161846 Coordinates : 091611.10 -161845.8 J2000 Features targeted : Optical Velocity or redshift : 2103 km/s z= 0.007015 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. 3 Name in publication : MCG -03-24-003 Coordinates : 091350.3 -160614 B1950 Features targeted : Optical lines Velocity or redshift : 2514 km/s z= 0.008386 Uncertainty : +/-56 +/- 0.000187 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 : NGC 2811 Coordinates : 091354 -1606.0 B1950 Features targeted : Optical Velocity or redshift : 2514 z= 0.008386 Uncertainty : +/-75 km/s +/- 0.000250 Unc. Significance : estimated error Reference Code : 1956AJ.....61...97H Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Both absorption and emission lines Technique : Features measured in single-screw engine Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 5 Name in publication : NGC 2811 Coordinates : 091611.1 -161845.5 J2000 Features targeted : Velocity or redshift : 2356 km/s z= 0.007859 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013AJ....146...86T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 6 Name in publication : Coordinates : Features targeted : Velocity or redshift : 2356 km/s z= 0.007859 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016AJ....152...50T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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