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Date and Time of the Query: 2018-12-17 T07:03:24 PST
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Redshift data point(s) for object NGC 3557B

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   2897   45   0.009663   0.000150   20096dF...C...0000J
1 Optical 2897   45   0.009663   0.000150   20096dF...C...0000J
2 Optical lines 2855   66   0.009523   0.000220   1991RC3.9.C...0000d
3 Optical 2855   72   0.009523   0.000240   1992CORV..C...0000F
4 Optical 3008   80   0.010034   0.000267   2000ApJ...539..136Z
5 2878     0.009600     2012MNRAS.419..687R

Detailed information for each entry

No. 1
Name in publication  : 6dF J1109320-372059           
Coordinates          : 110932.13                -372058.7        J2000
Features targeted    : Optical                       
Velocity or redshift :  2897           km/s                     z=   0.009663
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. 2 Name in publication : ESO 377- G 015 Coordinates : 110710.0 -370436 B1950 Features targeted : Optical lines Velocity or redshift : 2855 km/s z= 0.009523 Uncertainty : +/-66 +/- 0.000220 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 3557B Coordinates : 110710.0 -370436. B1950 Features targeted : Optical Velocity or redshift : 2855 km/s z= 0.009523 Uncertainty : +/-72 +/- 0.000240 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. 4 Name in publication : NGC 3557B Coordinates : 110931.4 -372057. J2000 Features targeted : Optical Velocity or redshift : 3008 km/s z= 0.010034 Uncertainty : +/-80 +/- 0.000267 Unc. Significance : uncertainty Reference Code : 2000ApJ...539..136Z Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data; OBJ_NAME modified from published data NED Comment :


No. 5 Name in publication : NGC 3557B Coordinates : 110932.1 -372059. J2000 Features targeted : Velocity or redshift : 2878 km/s z= 0.009600 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2012MNRAS.419..687R Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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