NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-18 T06:17:52 PDT
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Position data point(s) for object NGC 7657

5 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 23h26m47.51s -57d48m20.7s   1.25 1.25   20032MASX.C.......:
1 23h26m47.600s -57d48m21.25s 2MASS Coadded JHK 0.47 0.45 25 2006AJ....131.1163S
2 23h26m47.11s -57d48m20.1s Photographic IIIa-J 1.50 1.50   1990MNRAS.243..692M
3 23h26m47.07s -57d48m20.0s Photographic IIIa-J 2.50 2.50   1996MNRAS.278.1025L
4 23h26m46.83s -57d48m16.9s Photographic 7.50 7.50   1982ESOU..C...0000L
5 23h26m47.3s -57d48m24s IRAS 55.00 20.00 55 1990IRASF.C...0000M

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 23h26m47.600s -57d48m21.25s Equatorial B1950.0: 23h23m57.777s -58d04m52.39s 95% Conf. Ellipse : 4.75e-01 4.50e-01 arcsec 25 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 351.698335 -57.805904 Unc1/Unc2/UncPA : 0.19 0.18 25 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: 23h26m47.11s -57d48m20.1s Equatorial B1950.0: 23h23m57.29s -58d04m51.2s 95% Conf. Ellipse : 1.50e+00 1.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : APMUKS(BJ) B232357.29-580451.2 Coord1/Coord2 : HHMMSS: 232357.29 DDMMSS: -580451.2 Unc1/Unc2/UncPA : 0.6 0.6 Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic IIIa-J (OBS)=6.41E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data Reference Code :
1990MNRAS.243..692M
No. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 23h26m47.07s -57d48m20.0s Equatorial B1950.0: 23h23m57.24s -58d04m51.1s 95% Conf. Ellipse : 2.50e+00 2.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : APMBGC 148+014-108 Coord1/Coord2 : HHMMSS: 232357.24 DDMMSS: -580451.1 Unc1/Unc2/UncPA : 1.0 1.0 Unc. Significance : Uncertainty in arcseconds; typical accuracy Equinox/Epoch : B1950.0 Freq. or Wave. : Photographic IIIa-J (OBS)=6.48E+14 Hz Sys/Units/Frame : Equatorial Sexagesimal FK4 Frequency Mode : Broad-band measurement Qualifiers : From new, raw data; Corrected for contaminating sources Reference Code :
1996MNRAS.278.1025L
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 23h26m46.83s -57d48m16.9s Equatorial B1950.0: 23h23m57.00s -58d04m48.0s 95% Conf. Ellipse : 7.50e+00 7.50e+00 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : ESO 148-IG 012 Coord1/Coord2 : HHMMSS: 232357. DDMMSS: -580448. Unc1/Unc2/UncPA : 3. 3. Unc. Significance : Uncertainty in arcseconds; mean error 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 :
1982ESOU..C...0000L
No. 5
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 23h26m47.3s -57d48m24s Equatorial B1950.0: 23h23m57.5s -58d04m55s 95% Conf. Ellipse : 5.50e+01 2.00e+01 arcsec 55 deg NED comment : Weighted mean of detected bands in FSC. ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : IRAS F23239-5804 Coord1/Coord2 : HHMMSS: 232357.5 DDMMSS: -580455. Unc1/Unc2/UncPA : 22. 8. 55 deg Unc. Significance : Uncertainty in arcseconds; 1 sigma 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 reprocessed raw data Reference Code :
1990IRASF.C...0000M

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