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Date and Time of the Query: 2019-06-19 T13:01:25 PDT
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Redshift data point(s) for object NGC 0021

14 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4770   4   0.015911   0.000013   1999PASP..111..438F
1 4765   2   0.015894   0.000007   2000UZC...C......0F
2 21-cm 4765   2   0.015894   0.000007   2005ApJS..160..149S
3 Optical 4788   3   0.015971   0.000010   1999ApJS..121..287H
4 Optical 4770   4   0.015911   0.000013   1999ApJS..121..287H
5 21-cm 4762   10   0.015884   0.000033   1998A&AS..130..333T
6 Optical lines 4589   118   0.015307   0.000394   1991RC3.9.C...0000d
7 4720   140   0.015744   0.000467   2000AJ....119..545G
8 4765   140   0.015894   0.000467   2000AJ....119..545G
9 Optical 4859   215   0.016208   0.000717   1992CORV..C...0000F
10 Optical 4589     0.015307     1992CORV..C...0000F
11 4770     0.015911     2013AJ....146...86T
12 4770     0.015911     2014MNRAS.444..527S
13 4770     0.015911     2015MNRAS.447.1531C
14 4770     0.015911     2016AJ....152...50T

Detailed information for each entry

No. 1
Name in publication  : UZC J001046.9+332110          
Coordinates          : 001046.9                 +332110.         J2000
Features targeted    :                               
Velocity or redshift :  4765           km/s                     z=   0.015894
Uncertainty          : +/-2                                     +/-  0.000007
Unc. Significance    : uncertainty
Reference Code       : 2000UZC...C......0F

Measurement Mode     :
    Spectral range   : Optical
    Spatial mode     : Redshift is systemic

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

NED Comment          :                                         



No. 2 Name in publication : UGC 00100 Coordinates : 001047.0 +332109 J2000 Features targeted : 21-cm Velocity or redshift : 4765 km/s z= 0.015894 Uncertainty : +/-2 +/- 0.000007 Unc. Significance : estimated error Reference Code : 2005ApJS..160..149S Measurement Mode : Spectral range : Radio Spectrograph : Heterodyne receiver(e.g., 21-cm) Features : 1 Emission lines Technique : Mid-point of line profile at 50% lvel Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From reprocessed raw data NED Comment : 'Quality' Good. Arecibo data.


No. 3 Name in publication : NGC 0021 Coordinates : 000805.9 324218. B1950 Features targeted : Optical Velocity or redshift : 4788 km/s z= 0.015971 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. 4 Name in publication : NGC 0029 Coordinates : 000811.5 330424. B1950 Features targeted : Optical Velocity or redshift : 4770 km/s z= 0.015911 Uncertainty : +/-4 +/- 0.000013 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. 5 Name in publication : PGC 000767 Coordinates : 000812. +330424. B1950 Features targeted : 21-cm Velocity or redshift : 4762 km/s z= 0.015884 Uncertainty : +/-10 +/- 0.000033 Unc. Significance : mean error Reference Code : 1998A&AS..130..333T Measurement Mode : Spectral range : Radio Spectrograph : Heterodyne receiver(e.g., 21-cm) Features : 1 Emission lines Technique : Mid-point of line profile at 20% lvel Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data NED Comment :


No. 6 Name in publication : UGC 00100 Coordinates : 000811.6 +330424 B1950 Features targeted : Optical lines Velocity or redshift : 4589 km/s z= 0.015307 Uncertainty : +/-118 +/- 0.000394 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. 7 Name in publication : NGC 0029 Coordinates : Features targeted : Velocity or redshift : 0.015744 z= 0.015744 Uncertainty : +/-0.000467 +/- 0.000467 Unc. Significance : uncertainty Reference Code : 2000AJ....119..545G Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 8 Name in publication : NGC 0021 Coordinates : Features targeted : Velocity or redshift : 0.015894 z= 0.015894 Uncertainty : +/-0.000467 +/- 0.000467 Unc. Significance : uncertainty Reference Code : 2000AJ....119..545G Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 9 Name in publication : NGC 0021 Coordinates : 000805.9 +324218. B1950 Features targeted : Optical Velocity or redshift : 4859 km/s z= 0.016208 Uncertainty : +/-215 +/- 0.000717 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 1982A&A...113...15F


No. 10 Name in publication : NGC 0029 Coordinates : 000811.5 +330424. B1950 Features targeted : Optical Velocity or redshift : 4589 km/s z= 0.015307 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 1982A&A...113...15F


No. 11 Name in publication : NGC 0021 Coordinates : 001046.9 +332110.2 J2000 Features targeted : Velocity or redshift : 4770 km/s z= 0.015911 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. 12 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.015911 z= 0.015911 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014MNRAS.444..527S Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 13 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4770 km/s z= 0.015911 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2015MNRAS.447.1531C Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 14 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4770 km/s z= 0.015911 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 :



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