NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-26 T18:13:45 PDT
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Redshift data point(s) for object NGC 0740

4 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4609   6   0.015374   0.000020   1991RC3.9.C...0000d
1 21-cm 4599   2   0.015341   0.000007   2005ApJS..160..149S
2 Optical 4608   6   0.015371   0.000020   1999ApJS..121..287H
3 21-cm HI line 4609   6   0.015374   0.000020   1991RC3.9.C...0000d
4 Optical 4630   65   0.015444   0.000217   2000UZC...C......0F

Detailed information for each entry

No. 1
Name in publication  : UGC 01421                     
Coordinates          : 015654.9                 +330054          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  4599           km/s                     z=   0.015341
Uncertainty          : +/-2                                     +/-  0.000007
Unc. Significance    : estimated error
Reference Code       : 2005ApJS..160..149S

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 reprocessed raw data

NED Comment          : 'Quality' Good.  Arecibo data.          



No. 2 Name in publication : NGC 0740 Coordinates : 015400.4 324619. B1950 Features targeted : Optical Velocity or redshift : 4608 km/s z= 0.015371 Uncertainty : +/-6 +/- 0.000020 Unc. Significance : uncertainty Reference Code : 1999ApJS..121..287H Measurement Mode : Spectral range : Optical Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :


No. 3 Name in publication : UGC 01421 Coordinates : 01540 .4 +324617 B1950 Features targeted : 21-cm HI line Velocity or redshift : 4609 km/s z= 0.015374 Uncertainty : +/-6 +/- 0.000020 Unc. Significance : rms uncertainty Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Radio Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :


No. 4 Name in publication : UZC J015654.8+330057 Coordinates : 015654.8 +330057. J2000 Features targeted : Optical Velocity or redshift : 4630 km/s z= 0.015444 Uncertainty : +/-65 +/- 0.000217 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F 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 :



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