NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-19 T12:14:43 PDT
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Position data point(s) for object NGC 4644B

4 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 12h42m52.650s +55d08m44.90s   0.50 0.50   2004SDSS3.C...0000:
1 12h42m52.6680s +55d08m44.664s       2011MNRAS.412.1419L
2 12h42m52.816s +55d08m43.91s 2MASS Coadded JHK 0.40 0.30 115 2006AJ....131.1163S
3 12h42m52.646s +55d08m44.86s r' (SDSS) 0.50 0.50   2004SDSS3.C...0000:
4 12h42m52.646s +55d08m44.85s 0.50 0.50   2016SDSSD.C...0000:

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h42m52.6680s +55d08m44.664s Equatorial B1950.0: 12h40m36.3776s +55d25m10.030s 95% Conf. Ellipse : NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : HHMMSS: 124252.6680 DDMMSS: +550844.664 Unc1/Unc2/UncPA : Unc. Significance : Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2011MNRAS.412.1419L
No. 2
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h42m52.816s +55d08m43.91s Equatorial B1950.0: 12h40m36.526s +55d25m09.28s 95% Conf. Ellipse : 4.00e-01 3.00e-01 arcsec 115 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 190.720066 55.145531 Unc1/Unc2/UncPA : 0.16 0.12 115 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. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h42m52.646s +55d08m44.86s Equatorial B1950.0: 12h40m36.356s +55d25m10.22s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : SDSS J124252.65+550844.9 Coord1/Coord2 : 190.719360 55.145794 Unc1/Unc2/UncPA : 0.2 0.2 Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : J2000.0 Freq. or Wave. : r' (SDSS) (OBS)=4.79E+14 Hz Sys/Units/Frame : Equatorial Decimal degree ICR Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
2004SDSS3.C...0000:
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h42m52.646s +55d08m44.85s Equatorial B1950.0: 12h40m36.356s +55d25m10.22s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 190.71936 55.145793 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 Decimal degree FK5 Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2016SDSSD.C...0000:

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