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Date and Time of the Query: 2019-02-19 T17:55:00 PST
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Redshift data point(s) for object NGC 2550A

5 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   3641   10   0.012145   0.000033   1991RC3.9.C...0000d
1 21-cm 3635   10   0.012125   0.000033   2005ApJS..160..149S
2 3640   10   0.012142   0.000033   2000UZC...C......0F
3 21-cm HI line 3641   10   0.012145   0.000033   1991RC3.9.C...0000d
4 21-cm 3963   24   0.013219   0.000080   1998A&AS..130..333T
5 3659     0.012205     2015MNRAS.447.1531C

Detailed information for each entry

No. 1
Name in publication  : UGC 04397                     
Coordinates          : 082840.0                 +734453          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  3635           km/s                     z=   0.012125
Uncertainty          : +/-9                                     +/-  0.000033
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' Fair.  Green Bank 91-m data.  



No. 2 Name in publication : UZC J082839.5+734454 Coordinates : 082839.5 +734454. J2000 Features targeted : Velocity or redshift : 3640 km/s z= 0.012142 Uncertainty : +/-10 +/- 0.000033 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 04397 Coordinates : 082259.0 +735453 B1950 Features targeted : 21-cm HI line Velocity or redshift : 3641 km/s z= 0.012145 Uncertainty : +/-10 +/- 0.000033 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. 4 Name in publication : PGC 023781 Coordinates : 082258. +735453. B1950 Features targeted : 21-cm Velocity or redshift : 3963 km/s z= 0.013219 Uncertainty : +/-24 +/- 0.000080 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. 5 Name in publication : Coordinates : Features targeted : Velocity or redshift : 3659 km/s z= 0.012205 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 :



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