NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-25 T08:05:18 PDT
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Position data point(s) for object B2 1718+26B

4 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 17h20m26.537s +26d54m58.03s   1.30 0.60 90 1996AJ....111.1945D
1 17h20m27.9s +26d55m03s 4.85 GHz 35.00 30.10   1991ApJS...75.1011G
2 17h20m27.1s +26d55m10s 4.85 GHz 50.00 50.00   1991ApJS...75....1B
3 17h20m27.2s +26d53m58s 408 MHz 87.50 17.50   1972A&AS....7....1C
4 17h20m25s +26d31.1m 26.3 MHz 2100.00 402.00   1975AJ.....80..931V

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 17h20m27.9s +26d55m03s Equatorial B1950.0: 17h18m27.6s +26d57m59s 95% Conf. Ellipse : 3.50e+01 3.01e+01 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB 171827.6+265759 Coord1/Coord2 : HHMMSS: 171827.6 DDMMSS: +265759. Unc1/Unc2/UncPA : 0.9 14. 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: 17h20m27.1s +26d55m10s Equatorial B1950.0: 17h18m26.8s +26d58m06s 95% Conf. Ellipse : 5.00e+01 5.00e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : 87GB[BWE91] 1718+2658 Coord1/Coord2 : HHMMSS: 171826.8 DDMMSS: +265806. 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: 17h20m27.2s +26d53m58s Equatorial B1950.0: 17h18m26.8s +26d56m54s 95% Conf. Ellipse : 8.75e+01 1.75e+01 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : B2 1718+26B Coord1/Coord2 : HHMMSS: 171826.8 DDMMSS: +265654. Unc1/Unc2/UncPA : 35 7 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. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 17h20m25s +26d31.1m Equatorial B1950.0: 17h18m24s +26d34.0m 95% Conf. Ellipse : 2.10e+03 4.02e+02 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : [VE75] CL 1718+26 Coord1/Coord2 : HHMMSS: 171824. DDMMSS: +263400. Unc1/Unc2/UncPA : 0.2 14. 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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