NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-24 T03:48:23 PDT
Help | Comment | NED Home

Diameter data point(s) for object SDSS J112348.40+431111.4

Diameter Data --- Published and Homogenized (arcsec) Units

  Published UnitsHomogenized Units
No.Observed Passband
REFCODE
Major Axis
(2a)
Major Axis UnitsMinor Axis
(2b)
Minor Axis UnitsAxis Ratio (b/a)Major Axis Unc.Ellipticity
(1 - b/a)
Eccentricity
[(a/b)2-1]/
[(a/b)2+1]
Position Angle
(deg)
[published]
Reference LevelFrequency (Hz)Major Axis
(2a)
(arcsec)
Major Axis Unc.Axis Ratio (b/a)Ellipticity
(1 - b/a)
Eccentricity
[(a/b)2-1]/
[(a/b)2+1]
cos-1(b/a)
(deg)
Position Angle
(deg)
[J2000]
1 r (SDSS Isophotal)
2007SDSS6.C...0000:
3.21 (a) arcsec 2.41 arcsec ... ... ... ... 72.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 6.43 ... 0.75 0.25 0.28 41 72
[J2000]
2 r (SDSS Petrosian)
2007SDSS6.C...0000:
0.93 (a) arcsec ... ... ... 0.032 ... ... ... ... 4.77E+14 1.86 0.07 ... ... ... ... ...
3 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.3616 (a) arcsec ... ... 0.453 (b/a) 0.031 ... ... 87.2
[J2000]
... 4.77E+14 0.72 0.06 0.45 0.55 0.66 63 87
[J2000]
4 r (SDSS Exponential)
2007SDSS6.C...0000:
0.3470 (a) arcsec ... ... 0.484 (b/a) 0.025 ... ... 89.1
[J2000]
... 4.77E+14 0.69 0.05 0.48 0.52 0.62 61 89
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J112348.40+431111.4      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 3.21       arcsec               2a = 6.43 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =       2.41 arcsec               2b = 4.83 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.75
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.25
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.28
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 41 deg
Position Angle [Equinox]      :   72.0 deg [J2000]                  72 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : 25.0 mag arcsec^-2^           
Frequency                     : 6290         A                      4.77E+14 Hz
Frequency Mode                : Broad-band detector (e.g. photographic plate)

Measurement Mode               
    Detector Type             : Maps (e.g., 2MASS, VLA, Sloan)
    Fitting Technique         : Ellipse fitting to image
    Measured Quantity         : Isophotal diameter
    Qualifiers                : A radius is given in DIA_MAJ, not a diameter
Coordinates Targeted          : 170.9516907444  43.1865148555    (J2000)
Qualifiers                    : From new, raw data; DIA_MAJ or DIA_MIN modified from
                               published data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112348.40+431111.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 0.93 arcsec 2a = 1.86 arcsec Uncertainty : 0.032 arcsec 0.07 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Profile fitting to image Measured Quantity : See comments Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 170.9516907444 43.1865148555 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112348.40+431111.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.3616 arcsec 2a = 0.72 arcsec Uncertainty : 0.031 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 0.33 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.453 b/a = 0.45 Uncertainty : 0.061 0.06 Ellipticity : ... 1 - b/a = 0.55 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.66 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 87.2 deg [J2000] 87 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Ellipse fitting to image Measured Quantity : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 170.9516907444 43.1865148555 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 4 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112348.40+431111.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.3470 arcsec 2a = 0.69 arcsec Uncertainty : 0.025 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 0.34 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.484 b/a = 0.48 Uncertainty : 0.060 0.06 Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.62 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 89.1 deg [J2000] 89 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Ellipse fitting to image Measured Quantity : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 170.9516907444 43.1865148555 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

Back to NED Home