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Date and Time of the Query: 2022-01-27 T09:27:46 PST
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Redshift data point(s) for object NGC 1581

6 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   1600   27   0.005337   0.000090   1991ApJS...75..935d
1 Optical 1600   27   0.005337   0.000090   1991ApJS...75..935d
2 Optical lines 1527   88   0.005094   0.000294   1991RC3.9.C...0000d
3 Optical 1560     0.005204     1992CORV..C...0000F
4 1600     0.005337     2017ApJ...843...16K
5 1601     0.005340     2014ApJS..210....9B
6 3213     0.010716     2014ApJS..210....9B

Detailed information for each entry

No. 1
Name in publication  : ESO 157- G 026                
Coordinates          : 042339.                  -5503.3          B1950
Features targeted    : Optical                       
Velocity or redshift :  1600           km/s                     z=   0.005337
Uncertainty          : +/-27                                    +/-  0.000090
Unc. Significance    : estimated error
Reference Code       : 1991ApJS...75..935d

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          :                                         



No. 2 Name in publication : ESO 157- G 026 Coordinates : 042339.1 -550318 B1950 Features targeted : Optical lines Velocity or redshift : 1527 km/s z= 0.005094 Uncertainty : +/-88 +/- 0.000294 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. 3 Name in publication : NGC 1581 Coordinates : 042339.0 -550318. B1950 Features targeted : Optical Velocity or redshift : 1560 km/s z= 0.005204 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 1984A&AS...57....1C


No. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1600 km/s z= 0.005337 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2017ApJ...843...16K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.005340 z= 0.005340 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014ApJS..210....9B Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 6 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.010716 z= 0.010716 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014ApJS..210....9B Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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