NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-07-19 T09:47:18 PDT
Help | Comment | NED Home

Diameter data point(s) for object SDSS J134944.09+271105.4

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:
1.25 (a) arcsec 0.79 arcsec ... ... ... ... 27.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 2.51 ... 0.63 0.37 0.43 51 27
[J2000]
2 r (SDSS Petrosian)
2007SDSS6.C...0000:
0.55 (a) arcsec ... ... ... 0.099 ... ... ... ... 4.77E+14 1.10 0.20 ... ... ... ... ...
3 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.0540 (a) arcsec ... ... 0.650 (b/a) 0.200 ... ... 34.4
[J2000]
... 4.77E+14 0.11 0.40 0.65 0.35 0.41 49 34
[J2000]
4 r (SDSS Exponential)
2007SDSS6.C...0000:
0.0774 (a) arcsec ... ... 0.911 (b/a) 0.373 ... ... 31.0
[J2000]
... 4.77E+14 0.15 0.75 0.91 0.09 0.09 24 31
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J134944.09+271105.4      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 1.25       arcsec               2a = 2.51 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =       0.79 arcsec               2b = 1.58 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.63
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.37
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.43
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 51 deg
Position Angle [Equinox]      :   27.2 deg [J2000]                  27 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          : 207.4337237477  27.1848460439    (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 J134944.09+271105.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 0.55 arcsec 2a = 1.10 arcsec Uncertainty : 0.099 arcsec 0.20 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 : 207.4337237477 27.1848460439 (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 J134944.09+271105.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.0540 arcsec 2a = 0.11 arcsec Uncertainty : 0.200 arcsec 0.40 arcsec Minor Axis (2b) : ... 2b = 0.07 arcsec Uncertainty : ... 1.64 Axis Ratio : b/a = 0.650 b/a = 0.65 Uncertainty : 4.082 4.08 Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 34.4 deg [J2000] 34 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 : 207.4337237477 27.1848460439 (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 J134944.09+271105.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.0774 arcsec 2a = 0.15 arcsec Uncertainty : 0.373 arcsec 0.75 arcsec Minor Axis (2b) : ... 2b = 0.14 arcsec Uncertainty : ... 3.08 Axis Ratio : b/a = 0.911 b/a = 0.91 Uncertainty : 4.122 4.12 Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 24 deg Position Angle [Equinox] : 31.0 deg [J2000] 31 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 : 207.4337237477 27.1848460439 (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