NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-25 T16:20:27 PST
Help | Comment | NED Home

Redshift data point(s) for object NGC 7257

13 redshift data point(s) found in NED.


No.Frequency Targeted km/s +/- unc z +/- uncReference Code
0   4905   3   0.016361   0.000009   2005ApJS..160..149S
1 21-cm 4905   3   0.016361   0.000009   2005ApJS..160..149S
2 21-cm 4901   8   0.016348   0.000027   1998A&AS..130..333T
3 H-alpha 4884   10   0.016291   0.000033   1996ApJS..107...97M
4 Optical 4862   26   0.016218   0.000087   1991AJ....102.1581B
5 Optical 4862   26   0.016218   0.000087   1993AJ....105.1637H
6 Optical 4963   45   0.016555   0.000150   20096dF...C...0000J
7 4903     0.016355     2015MNRAS.447.1531C
8 4903     0.016355     2016AJ....152...50T
9 4903     0.016355     2013AJ....146...86T
10 4905     0.016360     2012A&A...544A..81H
11 21-cm HI line 4905     0.016361     1991RC3.9.C...0000d
12 4962     0.016550     2014ApJS..210....9B
13 5741     0.019149     2014ApJS..210....9B

Detailed information for each entry

No. 1
Name in publication  : AGC 620041                    
Coordinates          : 222236.4                 -040714          J2000
Features targeted    : 21-cm                         
Velocity or redshift :  4905           km/s                     z=   0.016361
Uncertainty          : +/-2                                     +/-  0.000009
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.  Nancay data.           



No. 2 Name in publication : PGC 068691 Coordinates : 222006. -042300. B1950 Features targeted : 21-cm Velocity or redshift : 4901 km/s z= 0.016348 Uncertainty : +/-8 +/- 0.000027 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. 3 Name in publication : NGC 7260 Coordinates : 222000 -042200 B1950 Features targeted : H-alpha Velocity or redshift : 4884 km/s z= 0.016291 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. 4 Name in publication : NGC 7260 Coordinates : 222006.0 -042300 B1950 Features targeted : Optical Velocity or redshift : 4862 km/s z= 0.016218 Uncertainty : +/-26 +/- 0.000087 Unc. Significance : 1 sigma Reference Code : 1991AJ....102.1581B Measurement Mode : Spectral range : Optical Spectrograph : Long-slit spectrum 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. 5 Name in publication : MCG -01-57-003 Coordinates : 222006.0 -042300 B1950 Features targeted : Optical Velocity or redshift : 4862 km/s z= 0.016218 Uncertainty : +/-26 +/- 0.000087 Unc. Significance : estimated error Reference Code : 1993AJ....105.1637H 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. 6 Name in publication : 6dF J2222364-040715 Coordinates : 222236.44 -040714.7 J2000 Features targeted : Optical Velocity or redshift : 4963 km/s z= 0.016555 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. 7 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4903 km/s z= 0.016355 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. 8 Name in publication : Coordinates : Features targeted : Velocity or redshift : 4903 km/s z= 0.016355 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. 9 Name in publication : AGC 620041 Coordinates : 222236.4 -040714.9 J2000 Features targeted : Velocity or redshift : 4903 km/s z= 0.016355 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 : SDSS J222236.43-040714.6 Coordinates : 222236.4296 -040714.592 J2000 Features targeted : Velocity or redshift : 4905 km/s z= 0.016360 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2012A&A...544A..81H Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 11 Name in publication : MCG -01-57-003 Coordinates : 2220.1 -0423 B1950 Features targeted : 21-cm HI line Velocity or redshift : 4905 km/s z= 0.016361 Uncertainty : No uncertainty given Unc. Significance : no unc. reported 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. 12 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.016550 z= 0.016550 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014ApJS..210....9B Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :


No. 13 Name in publication : Coordinates : Features targeted : Velocity or redshift : 0.019149 z= 0.019149 Uncertainty : No uncertainty given Unc. Significance : no unc. reported Reference Code : 2014ApJS..210....9B Measurement Mode : Reference Frame : Heliocentric velocity or redshift Qualifiers : Uncertain origin NED Comment :



Back to NED Home