NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-16 T22:56:59 PDT
Help | Comment | NED Home

Diameter data point(s) for object IC 2847

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.......:
5.8 (a) arcsec ... ... 0.740 (b/a) ... ... ... 15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 11.60 ... 0.74 0.26 0.29 42 15
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
11.1 (a) arcsec ... ... 0.740 (b/a) ... ... ... 15
[J2000]
Diameter for "total" magnitude 1.38E+14 22.20 ... 0.74 0.26 0.29 42 15
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
11.09 (a) arcsec 7.15 arcsec ... ... ... ... 18.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 22.17 ... 0.65 0.35 0.41 50 19
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
2.40 (a) arcsec ... ... ... 0.07 ... ... ... ... 4.77E+14 4.79 0.14 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
3.14 (a) arcsec ... ... 0.633 (b/a) 0.06 ... ... 12.2
[J2000]
... 4.77E+14 6.29 0.12 0.63 0.37 0.43 51 12
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
1.30 (a) arcsec ... ... 0.657 (b/a) 0.01 ... ... 11.2
[J2000]
... 4.77E+14 2.59 0.03 0.66 0.34 0.40 49 11
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
11.09 (a) arcsec 7.15 arcsec ... ... ... ... 18.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 22.17 ... 0.65 0.35 0.41 50 19
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.40 (a) arcsec ... ... ... 0.071 ... ... ... ... 4.77E+14 4.79 0.14 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.1442 (a) arcsec ... ... 0.633 (b/a) 0.059 ... ... 12.2
[J2000]
... 4.77E+14 6.29 0.12 0.63 0.37 0.43 51 12
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.2962 (a) arcsec ... ... 0.657 (b/a) 0.014 ... ... 11.2
[J2000]
... 4.77E+14 2.59 0.03 0.66 0.34 0.40 49 11
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J11280338+1355486       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 5.8        arcsec               2a = 11.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 8.58 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.740                         b/a = 0.74
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.26
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.29
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 42 deg
Position Angle [Equinox]      :   15   deg [J2000]                  15 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          : 172.014175      13.930269    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11280338+1355486 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 11.1 arcsec 2a = 22.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 16.43 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.740 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 15 deg [J2000] 15 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 : 172.014175 13.930269 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J112803.38+135549.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 11.09 arcsec 2a = 22.17 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 7.15 arcsec 2b = 14.29 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.65 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 18.5 deg [J2000] 19 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 : 172.0140991 13.9303865 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J112803.38+135549.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.40 arcsec 2a = 4.79 arcsec Uncertainty : 0.07 arcsec 0.14 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 : 172.0140991 13.9303865 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J112803.38+135549.4 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 3.14 arcsec 2a = 6.29 arcsec Uncertainty : 0.06 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 3.98 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.633 b/a = 0.63 Uncertainty : 0.011 0.01 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] : 12.2 deg [J2000] 12 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 : 172.0140991 13.9303865 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 6 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J112803.38+135549.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.30 arcsec 2a = 2.59 arcsec Uncertainty : 0.01 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.70 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.657 b/a = 0.66 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.40 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 11.2 deg [J2000] 11 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 : 172.0140991 13.9303865 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112803.38+135549.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 11.09 arcsec 2a = 22.17 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 7.15 arcsec 2b = 14.29 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.65 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 18.5 deg [J2000] 19 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 : 172.0141108457 13.9303864923 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112803.38+135549.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.40 arcsec 2a = 4.79 arcsec Uncertainty : 0.071 arcsec 0.14 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 : 172.0141108457 13.9303864923 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112803.38+135549.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.1442 arcsec 2a = 6.29 arcsec Uncertainty : 0.059 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 3.98 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.633 b/a = 0.63 Uncertainty : 0.011 0.01 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] : 12.2 deg [J2000] 12 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 : 172.0141108457 13.9303864923 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J112803.38+135549.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.2962 arcsec 2a = 2.59 arcsec Uncertainty : 0.014 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.70 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.657 b/a = 0.66 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.40 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 11.2 deg [J2000] 11 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 : 172.0141108457 13.9303864923 (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