NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-18 T02:08:09 PST
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Redshift data point(s) for object NGC 6808

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3469   21   0.011570   0.000070   1981RSA...C...0000S
1 Optical 3438   21   0.011468   0.000070   1992CORV..C...0000F
2 21-cm 3356   22   0.011194   0.000075   2006HIPAS.C...0000:
3 Optical lines 3452   41   0.011515   0.000137   1991RC3.9.C...0000d
4 Optical 3397   45   0.011331   0.000150   20096dF...C...0000J
5 Optical 3460     0.011541     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : NGC 6808                      
Coordinates          : 193828.0                 -704506.         B1950
Features targeted    : Optical                       
Velocity or redshift :  3438           km/s                     z=   0.011468
Uncertainty          : +/-21                                    +/-  0.000070
Unc. Significance    : uncertainty
Reference Code       : 1992CORV..C...0000F

Measurement Mode     :
    Spectral range   : Optical

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : From reprocessed raw data

NED Comment          : From 1978AJ.....83..904S                



No. 2 Name in publication : HIPASS J1944-70 Coordinates : 194413.9 -703656 J2000 Features targeted : 21-cm Velocity or redshift : 3355.8 km/s z= 0.011194 Uncertainty : +/-22.4 +/- 0.000075 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 : Marginal detection; real source?


No. 3 Name in publication : ESO 073- G 003 Coordinates : 193828.0 -704506 B1950 Features targeted : Optical lines Velocity or redshift : 3452 km/s z= 0.011515 Uncertainty : +/-41 +/- 0.000137 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 J1943540-703800 Coordinates : 194354.00 -703800.2 J2000 Features targeted : Optical Velocity or redshift : 3397 km/s z= 0.011331 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. 5 Name in publication : NGC 6808 Coordinates : 193828.0 -704506. B1950 Features targeted : Optical Velocity or redshift : 3460 km/s z= 0.011541 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 1976MNRAS.175..633M



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