NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-18 T23:33:50 PDT
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Position data point(s) for object NGC 4128A

3 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 12h08m14.308s +68d47m07.38s   0.50 0.50   1987AJ.....94..501K
1 12h08m14.239s +68d47m07.58s 2MASS Coadded JHK 0.17 0.17   2006AJ....131.1163S
2 12h08m14.308s +68d47m07.38s Photographic 0.50 0.50   1987AJ.....94..501K
3 12h08m14.68s +68d47m08.4s NUV (GALEX) 2.82 2.82   2012GASC..C...0000S

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h08m14.239s +68d47m07.58s Equatorial B1950.0: 12h05m45.784s +69d03m49.06s 95% Conf. Ellipse : 1.75e-01 1.75e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 182.059328 68.785439 Unc1/Unc2/UncPA : 0.07 0.07 Unc. Significance : Uncertainty in arcseconds; 68% confidence level Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Decimal degree ICR Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
2006AJ....131.1163S
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h08m14.308s +68d47m07.38s Equatorial B1950.0: 12h05m45.854s +69d03m48.86s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : NPM1G +69.0097 Coord1/Coord2 : HHMMSS: 120545.854 DDMMSS: +690348.86 Unc1/Unc2/UncPA : 0.20 0.20 Unc. Significance : Uncertainty in arcseconds; rms uncertainty Equinox/Epoch : B1950.0 1976.51 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 :
1987AJ.....94..501K
No. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h08m14.68s +68d47m08.4s Equatorial B1950.0: 12h05m46.23s +69d03m49.9s 95% Conf. Ellipse : 2.82e+00 2.82e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : GALEXASCJ120814.67+684708.4 Coord1/Coord2 : 182.06115666445 68.785678350203 Unc1/Unc2/UncPA : 1.12783 1.12783 Unc. Significance : Uncertainty in arcseconds; uncertainty Equinox/Epoch : J2000.0 Freq. or Wave. : NUV (GALEX) (OBS)=1.30E+15 Hz Sys/Units/Frame : Equatorial Decimal degree Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
2012GASC..C...0000S

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