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Date and Time of the Query: 2019-04-26 T09:15:33 PDT
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Redshift data point(s) for object NGC 0817

9 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4514   5   0.015057   0.000017   1993AJ....105.1271G
1 21-cm 4514   2   0.015057   0.000007   2005ApJS..160..149S
2 21-cm HI line 4514   5   0.015057   0.000017   1993AJ....105.1271G
3 Optical 4520   9   0.015077   0.000030   1999ApJS..121..287H
4 21-cm HI line 4520   10   0.015077   0.000033   1991RC3.9.C...0000d
5 Optical 4498   40   0.015004   0.000133   2000UZC...C......0F
6 Optical lines 4495   50   0.014994   0.000167   1991RC3.9.C...0000d
7 Optical 4495     0.014994     1992CORV..C...0000F
8 4507     0.015034     2015MNRAS.447.1531C
9 4514     0.015057     1995ApJ...449..527L

Detailed information for each entry

No. 1
Name in publication  : UGC 01611                     
Coordinates          : 020733.7                 +171207          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  4514           km/s                     z=   0.015057
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. 2 Name in publication : CGCG 461-047 Coordinates : 020449.4 +165751 B1950 Features targeted : 21-cm HI line Velocity or redshift : 4514 km/s z= 0.015057 Uncertainty : +/-5 +/- 0.000017 Unc. Significance : internal error Reference Code : 1993AJ....105.1271G 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 new, raw data NED Comment :


No. 3 Name in publication : NGC 0817 Coordinates : 020449.4 165751. B1950 Features targeted : Optical Velocity or redshift : 4520 km/s z= 0.015077 Uncertainty : +/-9 +/- 0.000030 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 : UGC 01611 Coordinates : 020449.4 +165751 B1950 Features targeted : 21-cm HI line Velocity or redshift : 4520 km/s z= 0.015077 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. 5 Name in publication : UZC J020733.7+171209 Coordinates : 020733.7 +171209. J2000 Features targeted : Optical Velocity or redshift : 4498 km/s z= 0.015004 Uncertainty : +/-40 +/- 0.000133 Unc. Significance : uncertainty Reference Code : 2000UZC...C......0F Measurement Mode : Spectral range : Optical Features : Both absorption and emission 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. 6 Name in publication : UGC 01611 Coordinates : 020449.4 +165751 B1950 Features targeted : Optical lines Velocity or redshift : 4495 km/s z= 0.014994 Uncertainty : +/-50 +/- 0.000167 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 0817 Coordinates : 020449.4 +165751. B1950 Features targeted : Optical Velocity or redshift : 4495 km/s z= 0.014994 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...89H


No. 8 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4507 km/s z= 0.015034 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. 9 Name in publication : IRAS 02048+1657 Coordinates : Features targeted : Velocity or redshift : 0.015057 z= 0.015057 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 1995ApJ...449..527L Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



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