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Date and Time of the Query: 2019-05-20 T19:47:04 PDT
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Redshift data point(s) for object NGC 7231

13 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   1078   2   0.003596   0.000007   2003A&A...399...51G
1 21-cm 1087   3   0.003626   0.000010   1998A&AS..130..333T
2 1087   3   0.003626   0.000010   2000UZC...C......0F
3 21-cm 1087   5   0.003626   0.000017   2005ApJS..160..149S
4 21-cm HI line 1086   11   0.003623   0.000037   1991RC3.9.C...0000d
5 Optical 1086   11   0.003623   0.000037   1999ApJS..121..287H
6 1052   23   0.003509   0.000076   2015ApJS..218...10V
7 Optical 1007   41   0.003359   0.000137   1992CORV..C...0000F
8 Optical lines 1007   65   0.003359   0.000217   1991RC3.9.C...0000d
9 1000   140   0.003336   0.000467   2000AJ....119..545G
10 1086     0.003622     2008ApJ...676..184T
11 1087     0.003626     2015MNRAS.447.1531C
12 1087     0.003626     2016AJ....152...50T
13 1087     0.003626     2013AJ....146...86T

Detailed information for each entry

No. 1
Name in publication  : PGC 068285                    
Coordinates          : 221028.                  +450454.         B1950
Features targeted    : 21-cm                         
Velocity or redshift :  1087           km/s                     z=   0.003626
Uncertainty          : +/-3                                     +/-  0.000010
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. 2 Name in publication : UZC J221230.5+451943 Coordinates : 221230.5 +451943. J2000 Features targeted : Velocity or redshift : 1087 km/s z= 0.003626 Uncertainty : +/-3 +/- 0.000010 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. 3 Name in publication : UGC 11951 Coordinates : 221230.4 +451941 J2000 Features targeted : 21-cm Velocity or redshift : 1087 km/s z= 0.003626 Uncertainty : +/-4 +/- 0.000017 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. Green Bank 91-m data.


No. 4 Name in publication : UGC 11951 Coordinates : 221027.7 +450455 B1950 Features targeted : 21-cm HI line Velocity or redshift : 1086 km/s z= 0.003623 Uncertainty : +/-11 +/- 0.000037 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. 5 Name in publication : NGC 7231 Coordinates : 221027.2 450450. B1950 Features targeted : Optical Velocity or redshift : 1086 km/s z= 0.003623 Uncertainty : +/-11 +/- 0.000037 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. 6 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1052.0 km/s z= 0.003509 Uncertainty : +/-22.8 +/- 0.000076 Unc. Significance : uncertainty Reference Code : 2015ApJS..218...10V Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 7 Name in publication : NGC 7231 Coordinates : 221027.7 +450455. B1950 Features targeted : Optical Velocity or redshift : 1007 km/s z= 0.003359 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 1986A&A...160..398M


No. 8 Name in publication : UGC 11951 Coordinates : 221027.7 +450455 B1950 Features targeted : Optical lines Velocity or redshift : 1007 km/s z= 0.003359 Uncertainty : +/-65 +/- 0.000217 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. 9 Name in publication : NGC 7231 Coordinates : Features targeted : Velocity or redshift : 0.003336 z= 0.003336 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. 10 Name in publication : PGC 068285 Coordinates : Features targeted : Velocity or redshift : 0.003622 z= 0.003622 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2008ApJ...676..184T Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 11 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1087 km/s z= 0.003626 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. 12 Name in publication : Coordinates : Features targeted : Velocity or redshift : 1087 km/s z= 0.003626 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. 13 Name in publication : UGC 11951 Coordinates : 221230.1 +451941.6 J2000 Features targeted : Velocity or redshift : 1087 km/s z= 0.003626 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 :



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