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Date and Time of the Query: 2019-05-26 T09:43:17 PDT
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Diameter data point(s) for object IC 2607

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.......:
14.2 (a) arcsec ... ... 0.640 (b/a) ... ... ... 70
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 28.40 ... 0.64 0.36 0.42 50 70
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
25.8 (a) arcsec ... ... 0.640 (b/a) ... ... ... 70
[J2000]
Diameter for "total" magnitude 1.38E+14 51.60 ... 0.64 0.36 0.42 50 70
[J2000]
3 POSS1 103a-O
1964MCG2..C...0000V
0.30 arcmin 0.20 arcmin ... ... ... ... ... High surface brightness 7.40E+14 18.00 ... 0.67 0.33 0.38 48 ...
4 POSS1 103a-O
1964MCG2..C...0000V
0.60 arcmin 0.40 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 36.00 ... 0.67 0.33 0.38 48 ...
5 r (SDSS Isophotal)
2006SDSS5.C...0000:
24.10 (a) arcsec 14.26 arcsec ... ... ... ... 65.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 48.19 ... 0.59 0.41 0.48 54 66
[J2000]
6 r (SDSS Petrosian)
2006SDSS5.C...0000:
5.72 (a) arcsec ... ... ... 0.13 ... ... ... ... 4.77E+14 11.44 0.26 ... ... ... ... ...
7 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
4.89 (a) arcsec ... ... 0.698 (b/a) 0.03 ... ... 56.6
[J2000]
... 4.77E+14 9.77 0.06 0.70 0.30 0.34 46 57
[J2000]
8 r (SDSS Exponential)
2006SDSS5.C...0000:
2.83 (a) arcsec ... ... 0.686 (b/a) 0.01 ... ... 61.4
[J2000]
... 4.77E+14 5.66 0.03 0.69 0.31 0.36 47 61
[J2000]
9 r (SDSS Isophotal)
2007SDSS6.C...0000:
24.10 (a) arcsec 14.26 arcsec ... ... ... ... 65.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 48.19 ... 0.59 0.41 0.48 54 66
[J2000]
10 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.72 (a) arcsec ... ... ... 0.130 ... ... ... ... 4.77E+14 11.44 0.26 ... ... ... ... ...
11 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.8864 (a) arcsec ... ... 0.698 (b/a) 0.032 ... ... 56.6
[J2000]
... 4.77E+14 9.77 0.06 0.70 0.30 0.34 46 57
[J2000]
12 r (SDSS Exponential)
2007SDSS6.C...0000:
2.8302 (a) arcsec ... ... 0.686 (b/a) 0.013 ... ... 61.4
[J2000]
... 4.77E+14 5.66 0.03 0.69 0.31 0.36 47 61
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J10501890+3759381       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 14.2       arcsec               2a = 28.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 18.18 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.640                         b/a = 0.64
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.36
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.42
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 50 deg
Position Angle [Equinox]      :   70   deg [J2000]                  70 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          : 162.578842      37.993961    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J10501890+3759381 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 25.8 arcsec 2a = 51.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 33.02 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.640 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 70 deg [J2000] 70 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 : 162.578842 37.993961 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-24-023 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.30 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : High surface brightness Frequency : 4050 A 7.40E+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 : "Inner" diameter Coordinates Targeted : 104730 +3818 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-24-023 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Moderate surface brightness Frequency : 4050 A 7.40E+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 : "Outer" diameter Coordinates Targeted : 104730 +3818 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J105018.94+375938.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 24.10 arcsec 2a = 48.19 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 14.26 arcsec 2b = 28.51 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.48 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 65.6 deg [J2000] 66 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 : 162.5789185 37.9939346 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J105018.94+375938.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.72 arcsec 2a = 11.44 arcsec Uncertainty : 0.13 arcsec 0.26 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 : 162.5789185 37.9939346 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J105018.94+375938.2 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 4.89 arcsec 2a = 9.77 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 6.82 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.698 b/a = 0.70 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 56.6 deg [J2000] 57 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 : 162.5789185 37.9939346 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J105018.94+375938.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.83 arcsec 2a = 5.66 arcsec Uncertainty : 0.01 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 3.88 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.686 b/a = 0.69 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.36 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : 61.4 deg [J2000] 61 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 : 162.5789185 37.9939346 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J105018.93+375938.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 24.10 arcsec 2a = 48.19 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 14.26 arcsec 2b = 28.51 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.48 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 65.6 deg [J2000] 66 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 : 162.5789151370 37.9939377965 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J105018.93+375938.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.72 arcsec 2a = 11.44 arcsec Uncertainty : 0.130 arcsec 0.26 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 : 162.5789151370 37.9939377965 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J105018.93+375938.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.8864 arcsec 2a = 9.77 arcsec Uncertainty : 0.032 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 6.82 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.698 b/a = 0.70 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 56.6 deg [J2000] 57 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 : 162.5789151370 37.9939377965 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J105018.93+375938.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.8302 arcsec 2a = 5.66 arcsec Uncertainty : 0.013 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 3.88 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.686 b/a = 0.69 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.36 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : 61.4 deg [J2000] 61 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 : 162.5789151370 37.9939377965 (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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