NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-20 T09:59:51 PDT
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Position data point(s) for object NGC 6657

7 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 18h33m01.46s +34d03m37.7s   1.25 1.25   20032MASX.C.......:
1 18h33m01.4352s +34d03m37.368s       2011MNRAS.412.1419L
2 18h33m01.448s +34d03m37.71s 2MASS Coadded JHK 0.17 0.15   2006AJ....131.1163S
3 18h33m01.664s +34d03m39.33s Photographic 1.50 0.75   1988BoPos.M...0000V
4 18h33m01.60s +34d03m39.0s Photographic IIa-D 2.50 2.50   2000UZC...C......0F
5 18h33m01.99s +34d03m42.1s Photographic 10.00 10.00   1976ApJS...31..187D
6 18h33m01.90s +34d03m40.1s IRAS 29.00 10.00 14 1988IRASP.C2..0000:
7 18h33m01s +34d02.3m Photographic 150.00 150.00   1966CGCG3.C...0000Z

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h33m01.4352s +34d03m37.368s Equatorial B1950.0: 18h31m12.3407s +34d01m17.350s 95% Conf. Ellipse : NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : HHMMSS: 183301.4352 DDMMSS: +340337.368 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: 18h33m01.448s +34d03m37.71s Equatorial B1950.0: 18h31m12.354s +34d01m17.69s 95% Conf. Ellipse : 1.75e-01 1.50e-01 arcsec 0 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 278.256036 34.060474 Unc1/Unc2/UncPA : 0.07 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. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h33m01.664s +34d03m39.33s Equatorial B1950.0: 18h31m12.570s +34d01m19.30s 95% Conf. Ellipse : 1.50e+00 7.50e-01 arcsec 180 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : CGCG 1831.2+3400 Coord1/Coord2 : HHMMSS: 183112.57 DDMMSS: +340119.3 Unc1/Unc2/UncPA : 0.3 0.6 deg Unc. Significance : Uncertainty in arcseconds; rms uncertainty Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic (OBS)=6.89E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1988BoPos.M...0000V
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h33m01.60s +34d03m39.0s Equatorial B1950.0: 18h31m12.50s +34d01m19.0s 95% Conf. Ellipse : 2.50e+00 2.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : UZC J183301.6+340339 Coord1/Coord2 : HHMMSS: 183301.6 DDMMSS: +340339. 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. 5
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h33m01.99s +34d03m42.1s Equatorial B1950.0: 18h31m12.90s +34d01m22.0s 95% Conf. Ellipse : 1.00e+01 1.00e+01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : UGC 11271 Coord1/Coord2 : HHMMSS: 183112.9 DDMMSS: +340122. Unc1/Unc2/UncPA : 4. 4. Unc. Significance : Uncertainty in arcseconds; rms uncertainty 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 :
1976ApJS...31..187D
No. 6
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h33m01.90s +34d03m40.1s Equatorial B1950.0: 18h31m12.81s +34d01m20.0s 95% Conf. Ellipse : 2.90e+01 1.00e+01 arcsec 14 deg NED comment : Weighted mean of detected bands in PSC. ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : IRAS 18312+3401 Coord1/Coord2 : HHMMSS: 183112.8 DDMMSS: +340120. Unc1/Unc2/UncPA : 29. 10. 14 deg Unc. Significance : Uncertainty in arcseconds; 95% confidence level Equinox/Epoch : B1950.0 1983.5 Freq. or Wave. : IRAS (OBS)=5.00E+12 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1988IRASP.C2..0000:
No. 7
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 18h33m01s +34d02.3m Equatorial B1950.0: 18h31m12s +34d00.0m 95% Conf. Ellipse : 1.50e+02 1.50e+02 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : CGCG 1831.2+3400 Coord1/Coord2 : HHMMSS: 183112. DDMMSS: +340000. 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 :
1966CGCG3.C...0000Z

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