NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-26 T06:49:43 PDT
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Position data point(s) for object NGC 6646

6 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 18h29m38.74s +39d51m54.5s   1.25 1.25   20032MASX.C.......:
1 18h29m38.7240s +39d51m54.396s       2011MNRAS.412.1419L
2 18h29m38.738s +39d51m54.55s 2MASS Coadded JHK 0.15 0.15   2006AJ....131.1163S
3 18h29m38.849s +39d51m55.07s Photographic 1.75 1.00 90 1988BoPos.M...0000V
4 18h29m38.80s +39d51m55.0s Photographic IIa-D 2.50 2.50   2000UZC...C......0F
5 18h29m38.77s +39d51m51.8s Photographic 10.00 10.00   1976ApJS...31..187D
6 18h29m38s +39d52.1m Photographic 150.00 150.00   1966CGCG3.C...0000Z

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h29m38.7240s +39d51m54.396s Equatorial B1950.0: 18h28m00.2547s +39d49m48.635s 95% Conf. Ellipse : NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : HHMMSS: 182938.7240 DDMMSS: +395154.396 Unc1/Unc2/UncPA : Unc. Significance : Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2011MNRAS.412.1419L
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h29m38.738s +39d51m54.55s Equatorial B1950.0: 18h28m00.269s +39d49m48.79s 95% Conf. Ellipse : 1.50e-01 1.50e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 277.411409 39.865154 Unc1/Unc2/UncPA : 0.06 0.06 Unc. Significance : Uncertainty in arcseconds; 68% confidence level Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Decimal degree ICR Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
2006AJ....131.1163S
No. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h29m38.849s +39d51m55.07s Equatorial B1950.0: 18h28m00.380s +39d49m49.30s 95% Conf. Ellipse : 1.75e+00 1.00e+00 arcsec 90 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : CGCG 1828.0+3950 Coord1/Coord2 : HHMMSS: 1828 0.38 DDMMSS: +394949.3 Unc1/Unc2/UncPA : 0.7 0.4 deg Unc. Significance : Uncertainty in arcseconds; rms uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic (OBS)=6.89E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1988BoPos.M...0000V
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h29m38.80s +39d51m55.0s Equatorial B1950.0: 18h28m00.33s +39d49m49.2s 95% Conf. Ellipse : 2.50e+00 2.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : UZC J182938.8+395155 Coord1/Coord2 : HHMMSS: 182938.8 DDMMSS: +395155. Unc1/Unc2/UncPA : 1.0 1.0 Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : J2000.0 Freq. or Wave. : Photographic IIa-D (OBS)=5.20E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : Homogenized from previously published data Reference Code :
2000UZC...C......0F
No. 5
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h29m38.77s +39d51m51.8s Equatorial B1950.0: 18h28m00.30s +39d49m46.0s 95% Conf. Ellipse : 1.00e+01 1.00e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : UGC 11258 Coord1/Coord2 : HHMMSS: 182800.3 DDMMSS: +394946. Unc1/Unc2/UncPA : 4. 4. Unc. Significance : Uncertainty in arcseconds; rms uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic (OBS)=6.81E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1976ApJS...31..187D
No. 6
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h29m38s +39d52.1m Equatorial B1950.0: 18h28m00s +39d50.0m 95% Conf. Ellipse : 1.50e+02 1.50e+02 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : CGCG 1828.0+3950 Coord1/Coord2 : HHMMSS: 182800. DDMMSS: +395000. Unc1/Unc2/UncPA : 60. 60. Unc. Significance : Uncertainty in arcseconds; 1 sigma Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic (OBS)=6.81E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK3 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1966CGCG3.C...0000Z

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