NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-26 T09:10:56 PDT
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Position data point(s) for object NGC 4021

9 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 11h59m02.595s +25d04m59.58s   0.50 0.50   2007SDSS6.C...0000:
1 11h59m02.599s +25d04m59.66s 2MASS Coadded JHK 0.30 0.15   2006AJ....131.1163S
2 11h59m02.607s +25d04m59.40s Photographic 0.50 0.50   1987AJ.....94..501K
3 11h59m02.595s +25d04m59.58s r (SDSS) 0.50 0.50   2007SDSS6.C...0000:
4 11h59m02.589s +25d04m59.57s 0.50 0.50   2013AJ....146..151O
5 11h59m02.594s +25d04m59.58s 0.50 0.50   2016SDSSD.C...0000:
6 11h59m02.60s +25d05m00.0s Photographic IIa-D 2.50 2.50   2000UZC...C......0F
7 11h59m02.53s +25d04m58.0s NUV (GALEX) 2.81 2.81   2012GASC..C...0000S
8 11h59m02.56s +25d04m57.9s Photographic 3.75 3.75   1981AJ.....86..820K
9 11h58m58s +25d05.3m Photographic 150.00 150.00   1963CGCG2.C...0000Z

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h59m02.599s +25d04m59.66s Equatorial B1950.0: 11h56m28.537s +25d21m41.72s 95% Conf. Ellipse : 3.00e-01 1.50e-01 arcsec 0 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 179.760828 25.083239 Unc1/Unc2/UncPA : 0.12 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: 11h59m02.607s +25d04m59.40s Equatorial B1950.0: 11h56m28.545s +25d21m41.46s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : NPM1G +25.0271 Coord1/Coord2 : HHMMSS: 115628.545 DDMMSS: +252141.46 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: 11h59m02.595s +25d04m59.58s Equatorial B1950.0: 11h56m28.533s +25d21m41.65s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : SDSS J115902.59+250459.5 Coord1/Coord2 : 179.7608121175 25.0832171029 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:
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h59m02.589s +25d04m59.57s Equatorial B1950.0: 11h56m28.527s +25d21m41.63s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : SDSS J115902.58+250459.5 Coord1/Coord2 : HHMMSS: 115902.5891 DDMMSS: +250459.570 Unc1/Unc2/UncPA : 0.5 0.5 Unc. Significance : Uncertainty in arcseconds Equinox/Epoch : J2000.0 Freq. or Wave. : Sys/Units/Frame : Equatorial Sexagesimal Frequency Mode : Qualifiers : Uncertain origin Reference Code :
2013AJ....146..151O
No. 5
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h59m02.594s +25d04m59.58s Equatorial B1950.0: 11h56m28.532s +25d21m41.65s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 179.76081 25.083217 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:
No. 6
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h59m02.60s +25d05m00.0s Equatorial B1950.0: 11h56m28.54s +25d21m42.1s 95% Conf. Ellipse : 2.50e+00 2.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : UZC J115902.6+250500 Coord1/Coord2 : HHMMSS: 115902.6 DDMMSS: +250500. Unc1/Unc2/UncPA : 1.0 1.0 Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : J2000.0 Freq. or Wave. : Photographic IIa-D (OBS)=5.20E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : Homogenized from previously published data Reference Code :
2000UZC...C......0F
No. 7
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h59m02.53s +25d04m58.0s Equatorial B1950.0: 11h56m28.47s +25d21m40.1s 95% Conf. Ellipse : 2.81e+00 2.81e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : GALEXASCJ115902.53+250457.9 Coord1/Coord2 : 179.76056307467 25.082775993378 Unc1/Unc2/UncPA : 1.12480 1.12480 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
No. 8
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h59m02.56s +25d04m57.9s Equatorial B1950.0: 11h56m28.50s +25d21m40.0s 95% Conf. Ellipse : 3.75e+00 3.75e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : ARK 339 Coord1/Coord2 : HHMMSS: 115628.5 DDMMSS: 252140. Unc1/Unc2/UncPA : 1.5 1.5 Unc. Significance : Uncertainty in arcseconds; typical accuracy 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 :
1981AJ.....86..820K
No. 9
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 11h58m58s +25d05.3m Equatorial B1950.0: 11h56m24s +25d22.0m 95% Conf. Ellipse : 1.50e+02 1.50e+02 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : CGCG 1156.4+2522 Coord1/Coord2 : HHMMSS: 115624. DDMMSS: +252200. Unc1/Unc2/UncPA : 60. 60. Unc. Significance : Uncertainty in arcseconds; 1 sigma Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic (OBS)=6.81E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK3 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1963CGCG2.C...0000Z

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