NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-19 T16:05:56 PDT
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Position data point(s) for object NGC 6581

4 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 18h12m18.421s +25d39m44.45s   0.50 0.50   1987AJ.....94..501K
1 18h12m18.408s +25d39m44.42s 2MASS Coadded JHK 0.15 0.15   2006AJ....131.1163S
2 18h12m18.421s +25d39m44.45s Photographic 0.50 0.50   1987AJ.....94..501K
3 18h12m18.40s +25d39m44.0s Photographic IIa-D 2.50 2.50   2000UZC...C......0F
4 18h12m13s +25d39.8m Photographic 150.00 150.00   1963CGCG2.C...0000Z

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h12m18.408s +25d39m44.42s Equatorial B1950.0: 18h10m16.677s +25d38m55.04s 95% Conf. Ellipse : 1.50e-01 1.50e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 273.076699 25.66234 Unc1/Unc2/UncPA : 0.06 0.06 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: 18h12m18.421s +25d39m44.45s Equatorial B1950.0: 18h10m16.690s +25d38m55.07s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : NPM1G +25.0474 Coord1/Coord2 : HHMMSS: 181016.690 DDMMSS: +253855.07 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: 18h12m18.40s +25d39m44.0s Equatorial B1950.0: 18h10m16.67s +25d38m54.6s 95% Conf. Ellipse : 2.50e+00 2.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : UZC J181218.4+253944 Coord1/Coord2 : HHMMSS: 181218.4 DDMMSS: +253944. 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. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h12m13s +25d39.8m Equatorial B1950.0: 18h10m12s +25d39.0m 95% Conf. Ellipse : 1.50e+02 1.50e+02 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : CGCG 1810.2+2539 Coord1/Coord2 : HHMMSS: 181012. DDMMSS: +253900. 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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