NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-23 T14:32:47 PST
Help | Comment | NED Home

Diameter data point(s) for object WISEA J092443.15+252232.7

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:
2.64 (a) arcsec 1.43 arcsec ... ... ... ... 129.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 5.27 ... 0.54 0.46 0.54 57 129
[J2000]
2 r (SDSS Petrosian)
2007SDSS6.C...0000:
0.80 (a) arcsec ... ... ... 0.104 ... ... ... ... 4.77E+14 1.60 0.21 ... ... ... ... ...
3 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.4635 (a) arcsec ... ... 0.314 (b/a) 0.124 ... ... 136.5
[J2000]
... 4.77E+14 0.93 0.25 0.31 0.69 0.82 72 137
[J2000]
4 r (SDSS Exponential)
2007SDSS6.C...0000:
0.3784 (a) arcsec ... ... 0.400 (b/a) 0.053 ... ... 132.4
[J2000]
... 4.77E+14 0.76 0.11 0.40 0.60 0.72 66 132
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J092443.17+252233.0      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 2.64       arcsec               2a = 5.27 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =       1.43 arcsec               2b = 2.86 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.54
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.46
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.54
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 57 deg
Position Angle [Equinox]      :  129.0 deg [J2000]                  129 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          : 141.1799144116  25.3758379236    (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 J092443.17+252233.0 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 0.80 arcsec 2a = 1.60 arcsec Uncertainty : 0.104 arcsec 0.21 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 : 141.1799144116 25.3758379236 (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 J092443.17+252233.0 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.4635 arcsec 2a = 0.93 arcsec Uncertainty : 0.124 arcsec 0.25 arcsec Minor Axis (2b) : ... 2b = 0.29 arcsec Uncertainty : ... 0.04 Axis Ratio : b/a = 0.314 b/a = 0.31 Uncertainty : 0.142 0.14 Ellipticity : ... 1 - b/a = 0.69 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.82 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 136.5 deg [J2000] 137 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 : 141.1799144116 25.3758379236 (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 J092443.17+252233.0 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.3784 arcsec 2a = 0.76 arcsec Uncertainty : 0.053 arcsec 0.11 arcsec Minor Axis (2b) : ... 2b = 0.30 arcsec Uncertainty : ... 0.02 Axis Ratio : b/a = 0.400 b/a = 0.40 Uncertainty : 0.166 0.17 Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 132.4 deg [J2000] 132 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 : 141.1799144116 25.3758379236 (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