NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-23 T17:34:16 PDT
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Redshift data point(s) for object NGC 4990

7 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3170   7   0.010574   0.000023   2004A&A...416..515D
1 21-cm 3157   7   0.010532   0.000025   2006HIPAS.C...0000:
2 Optical 3148   30   0.010501   0.000100   1992CORV..C...0000F
3 Optical lines 3180   36   0.010607   0.000120   1991RC3.9.C...0000d
4 Optical 3187   45   0.010631   0.000150   20096dF...C...0000J
5 3178     0.010600     2007ApJS..170...33P
6 Optical 3178     0.010601     1992CORV..C...0000F
7 Optical 3181     0.010611     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : HIPASS J1309-05               
Coordinates          : 130919.3                 -051907          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  3157.5         km/s                     z=   0.010532
Uncertainty          : +/-7.6                                   +/-  0.000025
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. 2 Name in publication : NGC 4990 Coordinates : 130641.8 -050024. B1950 Features targeted : Optical Velocity or redshift : 3148 km/s z= 0.010501 Uncertainty : +/-30 +/- 0.000100 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 1983ApJ...273..478O


No. 3 Name in publication : MCG -01-34-004 Coordinates : 130641.8 -050024 B1950 Features targeted : Optical lines Velocity or redshift : 3180 km/s z= 0.010607 Uncertainty : +/-36 +/- 0.000120 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 J1309172-051622 Coordinates : 130917.29 -051622.1 J2000 Features targeted : Optical Velocity or redshift : 3187 km/s z= 0.010631 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 : MRK 1344 Coordinates : Features targeted : Velocity or redshift : 0.010600 z= 0.010600 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2007ApJS..170...33P Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 6 Name in publication : NGC 4990 Coordinates : 130641.8 -050024. B1950 Features targeted : Optical Velocity or redshift : 3178 km/s z= 0.010601 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 1983ApJ...268..602B


No. 7 Name in publication : NGC 4990 Coordinates : 130641.8 -050024. B1950 Features targeted : Optical Velocity or redshift : 3181 km/s z= 0.010611 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 1980Afz....16..609M



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