NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T11:21:11 PDT
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Position data point(s) for object 4C +50.44

4 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 18h19m04.498s +50d31m02.06s   0.60 0.40 90 1996AJ....111.1945D
1 18h19m04.610s +50d30m58.50s 0.50 0.50   2014ApJS..215...14D
2 18h19m04.8s +50d31m06s 4.85 GHz 22.50 21.50   1991ApJS...75.1011G
3 18h19m04.9s +50d31m08s 4.85 GHz 50.00 50.00   1991ApJS...75....1B
4 18h18m49s +50d33.3m 26.3 MHz 1950.00 572.00   1975AJ.....80..931V

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h19m04.610s +50d30m58.50s Equatorial B1950.0: 18h17m51.620s +50d29m37.78s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : NVSS J181904+503104 Coord1/Coord2 : HHMMSS: 181904.61 DDMMSS: +503058.5 Unc1/Unc2/UncPA : 0.5 0.5 Unc. Significance : Uncertainty in arcseconds Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2014ApJS..215...14D
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h19m04.8s +50d31m06s Equatorial B1950.0: 18h17m51.8s +50d29m45s 95% Conf. Ellipse : 2.25e+01 2.15e+01 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB 181751.8+502945 Coord1/Coord2 : HHMMSS: 181751.8 DDMMSS: +502945. Unc1/Unc2/UncPA : 0.9 9. 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. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h19m04.9s +50d31m08s Equatorial B1950.0: 18h17m51.9s +50d29m47s 95% Conf. Ellipse : 5.00e+01 5.00e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB[BWE91] 1817+5029 Coord1/Coord2 : HHMMSS: 181751.9 DDMMSS: +502947. 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. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h18m49s +50d33.3m Equatorial B1950.0: 18h17m36s +50d32.0m 95% Conf. Ellipse : 1.95e+03 5.72e+02 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : [VE75] CL 1817+50 Coord1/Coord2 : HHMMSS: 181736. DDMMSS: +503200. Unc1/Unc2/UncPA : 0.4 13. 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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