NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-25 T22:03:30 PDT
Help | Comment | NED Home

Position data point(s) for object IC 3557 NED01

4 position data point(s) found in NED.


No.Equatorial J2000.0Frequency or WavelengthUncertainty EllipseReference Code
LongitudeLatitudeSemi-Maj.(arcsec) Semi-Min.PA
0 12h36m08.143s +16d38m29.30s   0.50 0.50   2007SDSS6.C...0000:
1 12h36m08.142s +16d38m29.17s 2MASS Coadded JHK 0.17 0.15 7 2006AJ....131.1163S
2 12h36m08.143s +16d38m29.30s r (SDSS) 0.50 0.50   2007SDSS6.C...0000:
3 12h36m08.138s +16d38m29.15s 0.50 0.50   2012A&A...544A..18V
4 12h36m08.158s +16d38m28.23s Photographic 0.50 0.50   1987AJ.....94..501K

Detailed information for each entry

No. 1
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h36m08.142s +16d38m29.17s Equatorial B1950.0: 12h33m37.437s +16d54m59.70s 95% Conf. Ellipse : 1.75e-01 1.50e-01 arcsec 7 deg NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : Coord1/Coord2 : 189.033925 16.641436 Unc1/Unc2/UncPA : 0.07 0.06 7 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: 12h36m08.143s +16d38m29.30s Equatorial B1950.0: 12h33m37.439s +16d54m59.83s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : SDSS J123608.14+163829.3 Coord1/Coord2 : 189.0339301374 16.6414731136 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. 3
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h36m08.138s +16d38m29.15s Equatorial B1950.0: 12h33m37.434s +16d54m59.68s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : IC 3557 NED01 Coord1/Coord2 : HHMMSS: 123608.1384 DDMMSS: +163829.148 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 :
2012A&A...544A..18V
No. 4
------------------------ NED STANDARD FORMAT ------------------------- Equatorial J2000.0: 12h36m08.158s +16d38m28.23s Equatorial B1950.0: 12h33m37.454s +16d54m58.76s 95% Conf. Ellipse : 5.00e-01 5.00e-01 arcsec NED comment : ---------------------- MEASUREMENT AS PUBLISHED ---------------------- Published Name : NPM1G +16.0310 Coord1/Coord2 : HHMMSS: 123337.454 DDMMSS: +165458.76 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

Back to NED Home