NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-25 T07:46:11 PDT
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Position data point(s) for object 4C +54.20

3 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 10h14m37.699s +53d58m34.56s   0.60 0.40 90 1996AJ....111.1945D
1 10h14m37.4s +53d58m50s 4.85 GHz 27.50 21.90   1991ApJS...75.1011G
2 10h14m37.5s +53d58m50s 4.85 GHz 50.00 50.00   1991ApJS...75....1B
3 10h14m50s +53d35.1m 26.3 MHz 3450.00 531.00   1975AJ.....80..931V

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 10h14m37.4s +53d58m50s Equatorial B1950.0: 10h11m22.1s +54d13m45s 95% Conf. Ellipse : 2.75e+01 2.19e+01 arcsec 0 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB 101122.1+541345 Coord1/Coord2 : HHMMSS: 101122.1 DDMMSS: +541345. Unc1/Unc2/UncPA : 1.0 11. deg Unc. Significance : Uncertainty in time seconds and arcseconds; rms uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : 4.85 GHz (OBS)=4.85E+09 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1991ApJS...75.1011G
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 10h14m37.5s +53d58m50s Equatorial B1950.0: 10h11m22.2s +54d13m45s 95% Conf. Ellipse : 5.00e+01 5.00e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB[BWE91] 1011+5413 Coord1/Coord2 : HHMMSS: 101122.2 DDMMSS: +541345. Unc1/Unc2/UncPA : 50. 50. Unc. Significance : Uncertainty in arcseconds; 95% confidence level Equinox/Epoch : B1950.0 Freq. or Wave. : 4.85 GHz (OBS)=4.85E+09 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From reprocessed raw data Reference Code :
1991ApJS...75....1B
No. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 10h14m50s +53d35.1m Equatorial B1950.0: 10h11m36s +53d50.0m 95% Conf. Ellipse : 3.45e+03 5.31e+02 arcsec 0 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : [VE75] CL 1011+53 Coord1/Coord2 : HHMMSS: 101136. DDMMSS: +535000. Unc1/Unc2/UncPA : 0.4 23. deg Unc. Significance : Uncertainty in time minutes and arcminutes; uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : 26.3 MHz (OBS)=2.63E+07 Hz Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1975AJ.....80..931V

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