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Date and Time of the Query: 2019-05-26 T09:44:48 PDT
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Diameter data point(s) for object NGC 5277

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 K_s (2MASS isophotal)
20032MASX.C.......:
10.1 (a) arcsec ... ... 0.800 (b/a) ... ... ... -55
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 20.20 ... 0.80 0.20 0.22 37 125
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
18.5 (a) arcsec ... ... 0.800 (b/a) ... ... ... -55
[J2000]
Diameter for "total" magnitude 1.38E+14 37.10 ... 0.80 0.20 0.22 37 125
[J2000]
3 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.80 log(2a) + 1 ... ... 0.15
log(a/b)
0.09 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 37.90 8.70 0.71 0.29 0.33 45 ...
4 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.80 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 37.90 ... ... ... ... ... ...
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
19.45 (a) arcsec 15.84 arcsec ... ... ... ... 142.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 38.90 ... 0.81 0.19 0.20 35 142
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.19 (a) arcsec ... ... ... 0.111 ... ... ... ... 4.77E+14 10.37 0.22 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.5457 (a) arcsec ... ... 0.846 (b/a) 0.044 ... ... 113.2
[J2000]
... 4.77E+14 9.09 0.09 0.85 0.15 0.17 32 113
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
2.2978 (a) arcsec ... ... 0.823 (b/a) 0.011 ... ... 113.4
[J2000]
... 4.77E+14 4.60 0.02 0.82 0.18 0.19 35 113
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J13423840+2957154       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 10.1       arcsec               2a = 20.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 16.16 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.800                         b/a = 0.80
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.20
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.22
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 37 deg
Position Angle [Equinox]      :  -55   deg [J2000]                  125 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : 20.0 K-mag arcsec^-2^         
Frequency                     : 2.17         microns                1.38E+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          : 205.659973      29.954336    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13423840+2957154 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 18.5 arcsec 2a = 37.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 29.68 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.800 b/a = 0.80 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : -55 deg [J2000] 125 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Diameter for "total" magnitude Frequency : 2.17 microns 1.38E+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 : 205.659973 29.954336 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : CGCG 161-129 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.80 2a = 37.90 arcsec Uncertainty : 0.09 8.70 arcsec Minor Axis (2b) : ... 2b = 26.83 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.15 b/a = 0.71 Uncertainty : 0.12 0.23 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Eye estimate Measured Quantity : Isophotal diameter Coordinates Targeted : 134238.4 +295716. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : CGCG 161-129 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.80 2a = 37.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Eye estimate Measured Quantity : Isophotal diameter Coordinates Targeted : 134238.4 +295716. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J134238.38+295715.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 19.45 arcsec 2a = 38.90 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 15.84 arcsec 2b = 31.68 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.81 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.19 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.20 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 142.0 deg [J2000] 142 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 : 205.6599341058 29.9544245813 (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 J134238.38+295715.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.19 arcsec 2a = 10.37 arcsec Uncertainty : 0.111 arcsec 0.22 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 : 205.6599341058 29.9544245813 (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 J134238.38+295715.9 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.5457 arcsec 2a = 9.09 arcsec Uncertainty : 0.044 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 7.69 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.846 b/a = 0.85 Uncertainty : 0.007 0.01 Ellipticity : ... 1 - b/a = 0.15 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.17 Uncertainty : ... ... Cos-1(b/a) : ... 32 deg Position Angle [Equinox] : 113.2 deg [J2000] 113 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 : 205.6599341058 29.9544245813 (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 J134238.38+295715.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.2978 arcsec 2a = 4.60 arcsec Uncertainty : 0.011 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.78 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.823 b/a = 0.82 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.18 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.19 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 113.4 deg [J2000] 113 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 : 205.6599341058 29.9544245813 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

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