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Date and Time of the Query: 2019-06-17 T05:58:34 PDT
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Position data point(s) for object 4C +28.38

9 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 14h57m53.818s +28d32m18.74s   0.50 0.50   2011ApJ...735..125S
1 14h57m53.8100s +28d32m18.700s       2014ApJ...789..112C
2 14h57m53.800s +28d32m20.00s 0.50 0.50   2013MNRAS.430.3086G
3 14h57m53.620s +28d32m13.20s 0.50 0.50   2016ApJS..224...18P
4 14h57m53.817s +28d32m19.11s 1.4 GHz 1.04 1.04   1995ApJ...450..559B
5 14h57m53.84s +28d32m07.7s 151 MHz 17.00 6.25   1996MNRAS.282..779W
6 14h57m54.2s +28d32m13s 4.85 GHz 45.00 32.90   1991ApJS...75.1011G
7 14h57m54.2s +28d32m16s 4.85 GHz 50.00 50.00   1991ApJS...75....1B
8 14h57m54.0s +28d32m20s 408 MHz 60.00 15.00   1972A&AS....7....1C
9 14h58m02s +28d40.0m 26.3 MHz 2700.00 394.00   1975AJ.....80..931V

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m53.8100s +28d32m18.700s Equatorial B1950.0: 14h55m45.4757s +28d44m16.997s 95% Conf. Ellipse : NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : SDSS J145753.81+283218.7 Coord1/Coord2 : HHMMSS: 145753.81 DDMMSS: +283218.7 Unc1/Unc2/UncPA : Unc. Significance : Uncertainty in arcseconds Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2014ApJ...789..112C
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m53.800s +28d32m20.00s Equatorial B1950.0: 14h55m45.466s +28d44m18.30s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 4C +28.38 Coord1/Coord2 : HHMMSS: 145753.80 DDMMSS: +283220.00 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 :
2013MNRAS.430.3086G
No. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m53.620s +28d32m13.20s Equatorial B1950.0: 14h55m45.284s +28d44m11.51s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : HHMMSS: 145753.62 DDMMSS: +283213.2 Unc1/Unc2/UncPA : 0.5 0.5 Unc. Significance : Uncertainty in arcseconds; 95% confidence level Equinox/Epoch : J2000 Freq. or Wave. : Sys/Units/Frame : Equatorial Sexagesimal FK5 Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2016ApJS..224...18P
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m53.817s +28d32m19.11s Equatorial B1950.0: 14h55m45.483s +28d44m17.41s 95% Conf. Ellipse : 1.04e+00 1.04e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : FIRST J145753.8+283219 Coord1/Coord2 : HHMMSS: 145753.817 DDMMSS: +283219.11 Unc1/Unc2/UncPA : 0.91 0.91 Unc. Significance : Uncertainty in arcseconds; 90% confidence level Equinox/Epoch : J2000.0 1993 Freq. or Wave. : 1.4 GHz (OBS)=1.40E+09 Hz Sys/Units/Frame : Equatorial Sexagesimal FK5 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1995ApJ...450..559B
No. 5
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m53.84s +28d32m07.7s Equatorial B1950.0: 14h55m45.50s +28d44m06.0s 95% Conf. Ellipse : 1.70e+01 6.25e+00 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 7C 1455+2844 Coord1/Coord2 : HHMMSS: 145545.5 DDMMSS: +284406. Unc1/Unc2/UncPA : 6.8 2.5 0.0 deg Unc. Significance : Uncertainty in arcseconds; internal error Equinox/Epoch : B1950.0 Freq. or Wave. : 151 MHz (OBS)=1.51E+08 Hz Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Broad-band measurement Qualifiers : From new, raw data; Assumed to be on FK4 system Reference Code :
1996MNRAS.282..779W
No. 6
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m54.2s +28d32m13s Equatorial B1950.0: 14h55m45.9s +28d44m11s 95% Conf. Ellipse : 4.50e+01 3.29e+01 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB 145545.9+284411 Coord1/Coord2 : HHMMSS: 145545.9 DDMMSS: +284411. Unc1/Unc2/UncPA : 1.0 18. 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. 7
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m54.2s +28d32m16s Equatorial B1950.0: 14h55m45.9s +28d44m14s 95% Conf. Ellipse : 5.00e+01 5.00e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB[BWE91] 1455+2844 Coord1/Coord2 : HHMMSS: 145545.9 DDMMSS: +284414. 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. 8
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h57m54.0s +28d32m20s Equatorial B1950.0: 14h55m45.7s +28d44m18s 95% Conf. Ellipse : 6.00e+01 1.50e+01 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : B2 1455+28 Coord1/Coord2 : HHMMSS: 145545.7 DDMMSS: +284418. Unc1/Unc2/UncPA : 24 6 0 deg Unc. Significance : Uncertainty in arcseconds; uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : 408 MHz (OBS)=4.08E+08 Hz Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1972A&AS....7....1C
No. 9
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 14h58m02s +28d40.0m Equatorial B1950.0: 14h55m54s +28d52.0m 95% Conf. Ellipse : 2.70e+03 3.94e+02 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : [VE75] CL 1455+28 Coord1/Coord2 : HHMMSS: 145554. DDMMSS: +285200. Unc1/Unc2/UncPA : 0.2 18. 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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