NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-26 T17:31:26 PDT
Help | Comment | NED Home

Redshift data point(s) for object 3C 284

14 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   > 30000     0.239754   0.000752   2007SDSS6.C...0000:
1 > 30000     0.239920   0.000018   2016SDSSD.C...0000:
2 > 30000     0.239920   0.000019   2016SDSSD.C...0000:
3 Optical features > 30000     0.239598   0.000074   2007SDSS6.C...0000:
4 Optical features > 30000     0.239754   0.000752   2007SDSS6.C...0000:
5 Optical features > 30000     0.239754   0.000752   2007SDSS6.C...0000:
6 > 30000     0.239400     2012ApJS..203...31M
7 > 30000     0.239400     2013ApJS..206....7M
8 > 30000     0.239700     2014A&A...569A..71C
9 > 30000     0.239750     2016A&A...586A...3K
10 > 30000     0.239800     2016MNRAS.455.4191Z
11 3727 4959 5007 > 30000     0.239830     1972ApJ...172L..37B
12 > 30000     0.240000     2011A&A...528A.110F
13 > 30000     0.240000     2011MNRAS.415.1013K
14 > 30000     0.240000     2014MNRAS.442.3329X

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.23992032                              z=   0.239920
Uncertainty          : +/-1.8438646E-5                          +/-  0.000018
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 : Coordinates : Features targeted : Velocity or redshift : 0.23992038 z= 0.239920 Uncertainty : +/-1.9273904E-5 +/- 0.000019 Unc. Significance : uncertainty Reference Code : 2016SDSSD.C...0000: Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 3 Name in publication : SDSS J131104.67+272807.2 Coordinates : 131104.67 +272807.2 J2000 Features targeted : Optical features Velocity or redshift : 0.239598 z= 0.239598 Uncertainty : +/-0.000074 +/- 0.000074 Unc. Significance : uncertainty Reference Code : 2007SDSS6.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 :


No. 4 Name in publication : SDSS J131104.67+272807.2 Coordinates : 131104.67 +272807.2 J2000 Features targeted : Optical features Velocity or redshift : 0.239754 z= 0.239754 Uncertainty : +/-0.000752 +/- 0.000752 Unc. Significance : uncertainty Reference Code : 2007SDSS6.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 :


No. 5 Name in publication : SDSS J131104.67+272807.2 Coordinates : 131104.67 +272807.2 J2000 Features targeted : Optical features Velocity or redshift : 0.239754 z= 0.239754 Uncertainty : +/-0.000752 +/- 0.000752 Unc. Significance : uncertainty Reference Code : 2007SDSS6.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 :


No. 6 Name in publication : 3C 284 Coordinates : 131104.666 +272807.15 J2000 Features targeted : Velocity or redshift : [0.2394] z= 0.239400 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2012ApJS..203...31M Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 7 Name in publication : 3C 284 Coordinates : 131104.666 +272807.15 J2000 Features targeted : Velocity or redshift : [0.2394] z= 0.239400 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013ApJS..206....7M Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 8 Name in publication : 3C 284 Coordinates : 131104.6 +272806. J2000 Features targeted : Velocity or redshift : [0.2397] z= 0.239700 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014A&A...569A..71C Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 9 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.23975 z= 0.239750 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016A&A...586A...3K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 10 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.2398 z= 0.239800 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016MNRAS.455.4191Z Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 11 Name in publication : 3C 284 Coordinates : 130841.39 +274403.1 B1950 Features targeted : 3727 4959 5007 Velocity or redshift : 0.2394 z= 0.239830 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1972ApJ...172L..37B Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : 3 Emission lines Technique : Features measured in single-screw engine Spatial mode : Redshift is systemic Reference Frame : Corrected for solar motion to Galactic center Apex : Amplitude : 250 Longitude : 90.0 Latitude : 0.0 System : Galactic Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment :


No. 12 Name in publication : 3C 284 Coordinates : Features targeted : Velocity or redshift : 0.240000 z= 0.240000 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2011A&A...528A.110F Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 13 Name in publication : SDSS J131104.67+272807.2 Coordinates : 131104.67 +272807.2 J2000 Features targeted : Velocity or redshift : [0.24 ] z= 0.240000 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2011MNRAS.415.1013K Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 14 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.240000 z= 0.240000 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014MNRAS.442.3329X Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



Back to NED Home