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Date and Time of the Query: 2019-06-24 T02:34:13 PDT
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Redshift data point(s) for object NGC 6984

11 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4670   9   0.015577   0.000030   1991RC3.9.C...0000d
1 21-cm HI line 4670   9   0.015577   0.000030   1991RC3.9.C...0000d
2 H-alpha 4659   10   0.015541   0.000033   1996ApJS..107...97M
3 21-cm 4666   10   0.015564   0.000033   1996ApJS..107...97M
4 Optical 4637   15   0.015467   0.000050   1992CORV..C...0000F
5 Optical lines 4667   26   0.015567   0.000087   1991RC3.9.C...0000d
6 Optical 4679   26   0.015607   0.000087   1991ApJS...75..935d
7 Optical 4492   45   0.014984   0.000150   1992CORV..C...0000F
8 Optical 4577   45   0.015267   0.000150   20096dF...C...0000J
9 4661     0.015547     2013AJ....146...86T
10 4661     0.015547     2016AJ....152...50T
11 Optical 4689     0.015641     1992CORV..C...0000F

Detailed information for each entry

No. 1
Name in publication  : ESO 235- G 020                
Coordinates          : 205419.1                 -520348          B1950
Features targeted    : 21-cm HI line                 
Velocity or redshift :  4670           km/s                     z=   0.015577
Uncertainty          : +/-9                                     +/-  0.000030
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. 2 Name in publication : ESO 235- G 020 Coordinates : 205419 -520348 B1950 Features targeted : H-alpha Velocity or redshift : 4659 km/s z= 0.015541 Uncertainty : +/-10 +/- 0.000033 Unc. Significance : internal error Reference Code : 1996ApJS..107...97M Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum Features : 1 Emission lines Technique : Cross-correlation fit to template spectrum Spatial mode : Redshift is systemic Reference Frame : Heliocentric velocity or redshift Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment :


No. 3 Name in publication : ESO 235- G 020 Coordinates : 205419 -520348 B1950 Features targeted : 21-cm Velocity or redshift : 4666 km/s z= 0.015564 Uncertainty : +/-10 +/- 0.000033 Unc. Significance : internal error Reference Code : 1996ApJS..107...97M 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; Corrected for contaminating sources NED Comment :


No. 4 Name in publication : NGC 6984 Coordinates : 205419.0 -520348. B1950 Features targeted : Optical Velocity or redshift : 4637 km/s z= 0.015467 Uncertainty : +/-15 +/- 0.000050 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 1986PASP...98.1273P


No. 5 Name in publication : ESO 235- G 020 Coordinates : 205419.1 -520348 B1950 Features targeted : Optical lines Velocity or redshift : 4667 km/s z= 0.015567 Uncertainty : +/-26 +/- 0.000087 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. 6 Name in publication : ESO 235- G 020 Coordinates : 205419. -5203.8 B1950 Features targeted : Optical Velocity or redshift : 4679 km/s z= 0.015607 Uncertainty : +/-26 +/- 0.000087 Unc. Significance : estimated error Reference Code : 1991ApJS...75..935d 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 new, raw data NED Comment :


No. 7 Name in publication : NGC 6984 Coordinates : 205419.0 -520348. B1950 Features targeted : Optical Velocity or redshift : 4492 km/s z= 0.014984 Uncertainty : +/-45 +/- 0.000150 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 1978AJ.....83..904S


No. 8 Name in publication : 6dF J2057540-515215 Coordinates : 205753.98 -515215.0 J2000 Features targeted : Optical Velocity or redshift : 4577 km/s z= 0.015267 Uncertainty : +/-45 +/- 0.000150 Unc. Significance : uncertainty Reference Code : 20096dF...C...0000J Measurement Mode : Spectral range : Optical Spectrograph : Fiber-optic feed 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 new, raw data NED Comment :


No. 9 Name in publication : NGC 6984 Coordinates : 205754.0 -515215.3 J2000 Features targeted : Velocity or redshift : 4661 km/s z= 0.015547 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. 10 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4661 km/s z= 0.015547 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. 11 Name in publication : NGC 6984 Coordinates : 205419.0 -520348. B1950 Features targeted : Optical Velocity or redshift : 4689 km/s z= 0.015641 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 1984AJ.....89.1310d



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