NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T18:48:46 PDT
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Redshift data point(s) for object IC 4542

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   9479   49   0.031619   0.000163   1999PASP..111..438F
1 9505   2   0.031706   0.000008   2016SDSSD.C...0000:
2 Optical 9526   25   0.031775   0.000083   1995ApJS...99..391H
3 Optical 9479   49   0.031619   0.000163   2000UZC...C......0F
4 Optical features 9506   57   0.031710   0.000191   2005SDSS4.C...0000:
5 Optical features > 30000     1.435570   0.002461   2005SDSS4.C...0000:

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.03170649                              z=   0.031706
Uncertainty          : +/-7.679363E-6                           +/-  0.000008
Unc. Significance    : uncertainty
Reference Code       : 2016SDSSD.C...0000:

Measurement Mode     :

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Uncertain origin

NED Comment          :                                         



No. 2 Name in publication : IC 4542 Coordinates : 152000.0 +332000 B1950 Features targeted : Optical Velocity or redshift : 9526 km/s z= 0.031775 Uncertainty : +/-25 +/- 0.000083 Unc. Significance : estimated error Reference Code : 1995ApJS...99..391H 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. 3 Name in publication : UZC J152205.5+330855 Coordinates : 152205.5 +330855. J2000 Features targeted : Optical Velocity or redshift : 9479 km/s z= 0.031619 Uncertainty : +/-49 +/- 0.000163 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F Measurement Mode : Spectral range : Optical Features : Absorption lines Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment :


No. 4 Name in publication : SDSS J152205.39+330854.9 Coordinates : 230.522461 33.148594 J2000 Features targeted : Optical features Velocity or redshift : 0.031710 z= 0.031710 Uncertainty : +/-0.000191 +/- 0.000191 Unc. Significance : uncertainty Reference Code : 2005SDSS4.C...0000: Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed Features : Absorption lines 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 NED Comment : z_em and z_xcorr are inconsistent


No. 5 Name in publication : SDSS J152205.39+330854.9 Coordinates : 230.522461 33.148594 J2000 Features targeted : Optical features Velocity or redshift : 1.435570 z= 1.435570 Uncertainty : +/-0.002461 +/- 0.002461 Unc. Significance : uncertainty Reference Code : 2005SDSS4.C...0000: Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed Features : Emission lines Technique : Individual line fitting Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment : z_em and z_xcorr are inconsistent



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