NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-21 T15:02:30 PDT
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Position data point(s) for object NGC 4557

2 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 12h35m49.744s +27d03m13.65s   0.50 0.50   2007SDSS6.C...0000:
1 12h35m49.750s +27d03m13.59s 2MASS Coadded JHK 0.23 0.15   2006AJ....131.1163S
2 12h35m49.744s +27d03m13.65s r (SDSS) 0.50 0.50   2007SDSS6.C...0000:

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h35m49.750s +27d03m13.59s Equatorial B1950.0: 12h33m21.152s +27d19m44.29s 95% Conf. Ellipse : 2.25e-01 1.50e-01 arcsec 0 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 188.957291 27.053774 Unc1/Unc2/UncPA : 0.09 0.06 0 deg 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: 12h35m49.744s +27d03m13.65s Equatorial B1950.0: 12h33m21.146s +27d19m44.35s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : SDSS J123549.74+270313.6 Coord1/Coord2 : 188.9572682286 27.0537908408 Unc1/Unc2/UncPA : 0.2 0.2 Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : J2000.0 Freq. or Wave. : r (SDSS) (OBS)=4.77E+14 Hz Sys/Units/Frame : Equatorial Decimal degree ICR Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
2007SDSS6.C...0000:

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