NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-25 T15:36:52 PDT
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Position data point(s) for object NGC 7018

5 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 21h07m25.35s -25d25m39.9s   1.50 1.50   1998A&AS..129..399K
1 21h07m25.35s -25d25m39.9s Photographic IIIa-J 2.50 2.50   1998A&AS..129..399K
2 21h07m25.75s -25d25m47.0s Photographic 7.50 7.50   1982ESOU..C...0000L
3 21h07m20.66s -25d26m12.3s 408 MHz 10.10 10.00 90 1981MNRAS.194..693L
4 21h07m21.20s -25d26m57.0s 4.85 GHz 15.00 10.00 90 1994ApJS...90..179G
5 21h07m24.7s -25d25m41s Photographic IIIa-J 37.50 37.50   1987AMCAT.C...0000A

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 21h07m25.35s -25d25m39.9s Equatorial B1950.0: 21h04m29.60s -25d37m46.9s 95% Conf. Ellipse : 2.50e+00 2.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : ABELL 3744:[KMD98] 058 Coord1/Coord2 : HHMMSS: 210429.60 DDMMSS: -253746.9 Unc1/Unc2/UncPA : 1.0 1.0 Unc. Significance : Uncertainty in arcseconds; rms uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic IIIa-J (OBS)=6.41E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1998A&AS..129..399K
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 21h07m25.75s -25d25m47.0s Equatorial B1950.0: 21h04m30.00s -25d37m54.0s 95% Conf. Ellipse : 7.50e+00 7.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : ESO 529-IG 027 Coord1/Coord2 : HHMMSS: 210430. DDMMSS: -253754. Unc1/Unc2/UncPA : 3. 3. Unc. Significance : Uncertainty in arcseconds; mean error 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 :
1982ESOU..C...0000L
No. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 21h07m20.66s -25d26m12.3s Equatorial B1950.0: 21h04m24.90s -25d38m19.0s 95% Conf. Ellipse : 1.01e+01 1.00e+01 arcsec 90 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : MRC 2104-256 Coord1/Coord2 : HHMMSS: 210424.9 DDMMSS: -253819. Unc1/Unc2/UncPA : 0.3 4. deg Unc. Significance : Uncertainty in time seconds and arcseconds; rms uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : 408 MHz (OBS)=4.08E+08 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1981MNRAS.194..693L
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 21h07m21.20s -25d26m57.0s Equatorial B1950.0: 21h04m25.42s -25d39m03.8s 95% Conf. Ellipse : 1.50e+01 1.00e+01 arcsec 90 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : PMN J2107-2526 Coord1/Coord2 : HHMMSS: 210721.2 DDMMSS: -252657. Unc1/Unc2/UncPA : 6. 4. deg Unc. Significance : Uncertainty in arcseconds; rms uncertainty Equinox/Epoch : J2000.0 1990.46 Freq. or Wave. : 4.85 GHz (OBS)=4.85E+09 Hz Sys/Units/Frame : Equatorial Sexagesimal FK5 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1994ApJS...90..179G
No. 5
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 21h07m24.7s -25d25m41s Equatorial B1950.0: 21h04m29.0s -25d37m48s 95% Conf. Ellipse : 3.75e+01 3.75e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : AM 2104-253 NED01 Coord1/Coord2 : HHMMSS: 210429. DDMMSS: -2537.8 Unc1/Unc2/UncPA : 15. 15. Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic IIIa-J (OBS)=6.48E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1987AMCAT.C...0000A

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