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Date and Time of the Query: 2019-04-23 T03:38:30 PDT
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Redshift data point(s) for object NGC 2557

10 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4865   21   0.016228   0.000070   1991RC3.9.C...0000d
1 4834   2   0.016126   0.000006   2016SDSSD.C...0000:
2 Optical lines 4865   21   0.016228   0.000070   1991RC3.9.C...0000d
3 Optical 4854   25   0.016191   0.000083   1992CORV..C...0000F
4 Optical 4830   45   0.016111   0.000150   2000UZC...C......0F
5 Optical features 4835   57   0.016128   0.000190   2006SDSS5.C...0000:
6 Optical 4857   80   0.016201   0.000267   1998ApJ...496...39Z
7 Optical 4944   100   0.016491   0.000334   1992CORV..C...0000F
8 Optical features > 30000     0.635264   0.000685   2006SDSS5.C...0000:
9 4841     0.016148     2015MNRAS.448.3442G
10 4827     0.016100     2015ApJ...809...91P

Detailed information for each entry

No. 1
Name in publication  :                               
Coordinates          :                                                
Features targeted    :                               
Velocity or redshift :  0.0161257                               z=   0.016126
Uncertainty          : +/-6.4599085E-6                          +/-  0.000006
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 : UGC 04330 Coordinates : 0816.3 +2136 B1950 Features targeted : Optical lines Velocity or redshift : 4865 km/s z= 0.016228 Uncertainty : +/-21 +/- 0.000070 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 2557 Coordinates : 081618.0 +213600. B1950 Features targeted : Optical Velocity or redshift : 4854 km/s z= 0.016191 Uncertainty : +/-25 +/- 0.000083 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 1983ApJ...268...47B


No. 4 Name in publication : UZC J081910.8+212609 Coordinates : 081910.8 +212609. J2000 Features targeted : Optical Velocity or redshift : 4830 km/s z= 0.016111 Uncertainty : +/-45 +/- 0.000150 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. 5 Name in publication : SDSS J081910.75+212608.8 Coordinates : 124.794769 21.435783 J2000 Features targeted : Optical features Velocity or redshift : 0.016128 z= 0.016128 Uncertainty : +/-0.000190 +/- 0.000190 Unc. Significance : uncertainty Reference Code : 2006SDSS5.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 : NGC 2557 Coordinates : 081910.7 +212609. J2000 Features targeted : Optical Velocity or redshift : 4856 km/s z= 0.016201 Uncertainty : +/-80 +/- 0.000267 Unc. Significance : rms uncertainty Reference Code : 1998ApJ...496...39Z 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; OBJ_NAME modified from published data NED Comment :


No. 7 Name in publication : NGC 2557 Coordinates : 081618.0 +213600. B1950 Features targeted : Optical Velocity or redshift : 4944 km/s z= 0.016491 Uncertainty : +/-100 +/- 0.000334 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 1971AJ.....76..409K


No. 8 Name in publication : SDSS J081910.75+212608.8 Coordinates : 124.794769 21.435783 J2000 Features targeted : Optical features Velocity or redshift : 0.635264 z= 0.635264 Uncertainty : +/-0.000685 +/- 0.000685 Unc. Significance : uncertainty Reference Code : 2006SDSS5.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. 9 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.0161482 z= 0.016148 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015MNRAS.448.3442G Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 10 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.0161 z= 0.016100 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015ApJ...809...91P Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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