NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-21 T05:06:44 PDT
Help | Comment | NED Home

Diameter data point(s) for object 2MASS J15214025+3036577

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)
2005SDSS4.C...0000:
7.30 (a) arcsec 4.55 arcsec ... ... ... ... 99.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 14.60 ... 0.62 0.38 0.44 51 99
[J2000]
2 r (SDSS Petrosian)
2005SDSS4.C...0000:
2.01 (a) arcsec ... ... ... 0.04 ... ... ... ... 4.77E+14 4.01 0.08 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
2.60 (a) arcsec ... ... 0.750 (b/a) 0.09 ... ... 72.2
[J2000]
... 4.77E+14 5.20 0.18 0.75 0.25 0.28 41 72
[J2000]
4 r (SDSS Exponential)
2005SDSS4.C...0000:
1.08 (a) arcsec ... ... 0.781 (b/a) 0.02 ... ... 73.2
[J2000]
... 4.77E+14 2.17 0.04 0.78 0.22 0.24 39 73
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
7.30 (a) arcsec 4.55 arcsec ... ... ... ... 99.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 14.60 ... 0.62 0.38 0.44 51 99
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.01 (a) arcsec ... ... ... 0.040 ... ... ... ... 4.77E+14 4.01 0.08 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.5989 (a) arcsec ... ... 0.750 (b/a) 0.090 ... ... 72.2
[J2000]
... 4.77E+14 5.20 0.18 0.75 0.25 0.28 41 72
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
1.0843 (a) arcsec ... ... 0.781 (b/a) 0.018 ... ... 73.2
[J2000]
... 4.77E+14 2.17 0.04 0.78 0.22 0.24 39 73
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2005SDSS4.C...0000:
Published Object Name         : SDSS J152140.27+303657.3      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 7.30       arcsec               2a = 14.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    4.55    arcsec               2b = 9.10 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.62
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.38
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.44
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 51 deg
Position Angle [Equinox]      :   99.3 deg [J2000]                  99 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          : 230.4178009     30.6159134    (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152140.27+303657.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.01 arcsec 2a = 4.01 arcsec Uncertainty : 0.04 arcsec 0.08 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 : 230.4178009 30.6159134 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152140.27+303657.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.60 arcsec 2a = 5.20 arcsec Uncertainty : 0.09 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 3.90 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.750 b/a = 0.75 Uncertainty : 0.026 0.03 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] : 72.2 deg [J2000] 72 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 : 230.4178009 30.6159134 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152140.27+303657.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.08 arcsec 2a = 2.17 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 1.69 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.781 b/a = 0.78 Uncertainty : 0.020 0.02 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 73.2 deg [J2000] 73 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 : 230.4178009 30.6159134 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152140.27+303657.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 7.30 arcsec 2a = 14.60 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 4.55 arcsec 2b = 9.10 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.62 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 99.3 deg [J2000] 99 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 : 230.4177976397 30.6159144073 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152140.27+303657.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.01 arcsec 2a = 4.01 arcsec Uncertainty : 0.040 arcsec 0.08 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 : 230.4177976397 30.6159144073 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152140.27+303657.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.5989 arcsec 2a = 5.20 arcsec Uncertainty : 0.090 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 3.90 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.750 b/a = 0.75 Uncertainty : 0.026 0.03 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] : 72.2 deg [J2000] 72 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 : 230.4177976397 30.6159144073 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152140.27+303657.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.0843 arcsec 2a = 2.17 arcsec Uncertainty : 0.018 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 1.69 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.781 b/a = 0.78 Uncertainty : 0.020 0.02 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 73.2 deg [J2000] 73 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 : 230.4177976397 30.6159144073 (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