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Date and Time of the Query: 2019-05-22 T12:25:53 PDT
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Redshift data point(s) for object NGC 1023

21 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   637   4   0.002125   0.000013   1991RC3.9.C...0000d
1 Optical 636   3   0.002121   0.000010   1999ApJS..121..287H
2 21-cm HI line 637   4   0.002125   0.000013   1991RC3.9.C...0000d
3 Optical lines 601   11   0.002005   0.000037   1991RC3.9.C...0000d
4 571   13   0.001903   0.000044   2015ApJS..218...10V
5 Optical 614   30   0.002048   0.000100   1997MNRAS.291..461S
6 Optical 599   40   0.001998   0.000133   2000UZC...C......0F
7 Optical 734   41   0.002448   0.000137   1992CORV..C...0000F
8 Optical 300   50   0.001001   0.000167   1992CORV..C...0000F
9 Optical 557   60   0.001858   0.000200   1956AJ.....61...97H
10 0     0.000000     2016ApJ...818..182V
11 Optical 597     0.001991     1992CORV..C...0000F
12 602     0.002008     2011MNRAS.413..813C
13 602     0.002008     2014ApJ...791...80A
14 602     0.002008     2014MNRAS.442.1003P
15 Optical 608     0.002028     1992CORV..C...0000F
16 Optical 615     0.002051     1992CORV..C...0000F
17 Optical 617     0.002058     1992CORV..C...0000F
18 Optical 620     0.002068     1992CORV..C...0000F
19 645     0.002151     2013AJ....146...86T
20 645     0.002151     2016AJ....152...50T
21 645     0.002151     2016ApJ...818..182V

Detailed information for each entry

No. 1
Name in publication  : NGC 1023                      
Coordinates          : 023715.8                 385055.          B1950
Features targeted    : Optical                       
Velocity or redshift :  636            km/s                     z=   0.002121
Uncertainty          : +/-3                                     +/-  0.000010
Unc. Significance    : uncertainty
Reference Code       : 1999ApJS..121..287H

Measurement Mode     :
    Spectral range   : Optical
    Technique        : Cross-correlation fit to template spectrum
    Spatial mode     : Redshift is systemic

Reference Frame      : Heliocentric velocity or redshift
Qualifiers           : Homogenized from new and previously published data

NED Comment          :                                         



No. 2 Name in publication : UGC 02154 Coordinates : 023715.9 +385055 B1950 Features targeted : 21-cm HI line Velocity or redshift : 637 km/s z= 0.002125 Uncertainty : +/-4 +/- 0.000013 Unc. Significance : rms uncertainty Reference Code : 1991RC3.9.C...0000d Measurement Mode : Spectral range : Radio Reference Frame : Heliocentric velocity or redshift Qualifiers : Homogenized from new and previously published data NED Comment :


No. 3 Name in publication : UGC 02154 Coordinates : 023715.9 +385055 B1950 Features targeted : Optical lines Velocity or redshift : 601 km/s z= 0.002005 Uncertainty : +/-11 +/- 0.000037 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. 4 Name in publication : Coordinates : Features targeted : Velocity or redshift : 570.5 km/s z= 0.001903 Uncertainty : +/-13.1 +/- 0.000044 Unc. Significance : uncertainty Reference Code : 2015ApJS..218...10V Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 5 Name in publication : NGC 1023 Coordinates : B1950 Features targeted : Optical Velocity or redshift : 613 km/s z= 0.002048 Uncertainty : +/-30 +/- 0.000100 Unc. Significance : estimated error Reference Code : 1997MNRAS.291..461S Measurement Mode : Spectral range : Optical Features : Both absorption and emission 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. 6 Name in publication : UZC J024023.8+390347 Coordinates : 024023.8 +390347. J2000 Features targeted : Optical Velocity or redshift : 599 km/s z= 0.001998 Uncertainty : +/-40 +/- 0.000133 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. 7 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 734 km/s z= 0.002448 Uncertainty : +/-41 +/- 0.000137 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 1962AJ.....67..363M


No. 8 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 300 km/s z= 0.001001 Uncertainty : +/-50 +/- 0.000167 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 1925ApJ....61..353S


No. 9 Name in publication : NGC 1023 Coordinates : 023712 +3851.0 B1950 Features targeted : Optical Velocity or redshift : 557 z= 0.001858 Uncertainty : +/-60 km/s +/- 0.000200 Unc. Significance : estimated error Reference Code : 1956AJ.....61...97H Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : Both absorption and emission lines Technique : Features measured in single-screw engine Spatial mode : Redshift is for nucleus only Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 10 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.00 z= 0.000000 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016ApJ...818..182V Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 11 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 597 km/s z= 0.001991 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 1983ApJS...52..425S


No. 12 Name in publication : NGC 1023 Coordinates : Features targeted : Velocity or redshift : 0.002008 z= 0.002008 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2011MNRAS.413..813C Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 13 Name in publication : NGC 1023 Coordinates : 024024.0 +390348. J2000 Features targeted : Velocity or redshift : 602 km/s z= 0.002008 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014ApJ...791...80A Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 14 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.002008 z= 0.002008 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014MNRAS.442.1003P Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 15 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 608 km/s z= 0.002028 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 1983ApJS...52..425S


No. 16 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 615 km/s z= 0.002051 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 1983ApJ...265..664D


No. 17 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 617 km/s z= 0.002058 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 1981ApJ...246..666T


No. 18 Name in publication : NGC 1023 Coordinates : 023715.8 +385055. B1950 Features targeted : Optical Velocity or redshift : 620 km/s z= 0.002068 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 1986A&A...169...54C


No. 19 Name in publication : NGC 1023 Coordinates : 024024.0 +390347.7 J2000 Features targeted : Velocity or redshift : 645 km/s z= 0.002151 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2013AJ....146...86T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 20 Name in publication : Coordinates : Features targeted : Velocity or redshift : 645 km/s z= 0.002151 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016AJ....152...50T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 21 Name in publication : Coordinates : Features targeted : Velocity or redshift : 645.00 km/s z= 0.002151 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2016ApJ...818..182V Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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