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Date and Time of the Query: 2019-04-24 T22:46:16 PDT
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Diameter data point(s) for object NGC 2596

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 POSS1 103a-O
1973UGC...C...0000N
1.50 arcmin 0.60 arcmin ... ... ... ... 65
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 90.00 ... 0.40 0.60 0.72 66 65
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
33.8 (a) arcsec ... ... 0.460 (b/a) ... ... ... 60
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 67.60 ... 0.46 0.54 0.65 63 60
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
50.6 (a) arcsec ... ... 0.460 (b/a) ... ... ... 60
[J2000]
Diameter for "total" magnitude 1.38E+14 101.30 ... 0.46 0.54 0.65 63 60
[J2000]
4 POSS1 103a-O
1964MCG2..C...0000V
1.40 arcmin 0.50 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 84.00 ... 0.36 0.64 0.77 69 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.17 log(2a) + 1 ... ... 0.41
log(a/b)
0.04 ... ... 65
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 88.70 8.60 0.39 0.61 0.74 67 65
[J2000]
6 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.75 log(2a) + 1 ... ... ... 0.03 ... ... ... ... 6.81E+14 33.70 2.40 ... ... ... ... ...
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.18 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 90.80 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
54.51 (a) arcsec 18.34 arcsec ... ... ... ... 66.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 109.01 ... 0.34 0.66 0.80 70 66
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
10.64 (a) arcsec ... ... ... 0.923 ... ... ... ... 4.77E+14 21.28 1.85 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7512 (a) arcsec ... ... 0.416 (b/a) 0.092 ... ... 64.1
[J2000]
... 4.77E+14 23.50 0.18 0.42 0.58 0.70 65 64
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
6.5976 (a) arcsec ... ... 0.381 (b/a) 0.025 ... ... 64.3
[J2000]
... 4.77E+14 13.20 0.05 0.38 0.62 0.75 68 64
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 04419                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.50       arcmin                   2a = 90.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.60      arcmin              2b = 36.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.40
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.60
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.72
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 66 deg
Position Angle [Equinox]      :  65    deg [B1950]                  65 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : About 25.0 B-mag arcsec^-2^   
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          : 082436.         +172700.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J08272651+1717030 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 33.8 arcsec 2a = 67.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 31.10 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.460 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 60 deg [J2000] 60 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 : 126.860474 17.284147 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J08272651+1717030 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 50.6 arcsec 2a = 101.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 46.60 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.460 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 60 deg [J2000] 60 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 : 126.860474 17.284147 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-22-013 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.40 arcmin 2a = 84.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.36 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.64 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.77 Uncertainty : ... ... Cos-1(b/a) : ... 69 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Intermed. 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 : 082442 +1726 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 04419 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.17 2a = 88.70 arcsec Uncertainty : 0.04 8.60 arcsec Minor Axis (2b) : ... 2b = 34.50 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.41 b/a = 0.39 Uncertainty : 0.05 0.05 Ellipticity : ... 1 - b/a = 0.61 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.74 Uncertainty : ... ... Cos-1(b/a) : ... 67 deg Position Angle [Equinox] : 65 deg [J2000] 65 deg [J2000] 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 : 082726.7 +171702. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 04419 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.75 2a = 33.70 arcsec Uncertainty : 0.03 2.40 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 082726.7 +171702. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 04419 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.18 2a = 90.80 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 : 082726.7 +171702. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J082726.51+171702.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 54.51 arcsec 2a = 109.01 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 18.34 arcsec 2b = 36.68 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.34 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.66 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.80 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 66.2 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 : 126.8604945688 17.2840799682 (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 J082726.51+171702.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 10.64 arcsec 2a = 21.28 arcsec Uncertainty : 0.923 arcsec 1.85 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 : 126.8604945688 17.2840799682 (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 J082726.51+171702.6 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7512 arcsec 2a = 23.50 arcsec Uncertainty : 0.092 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 9.78 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.416 b/a = 0.42 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : 64.1 deg [J2000] 64 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 : 126.8604945688 17.2840799682 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J082726.51+171702.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 6.5976 arcsec 2a = 13.20 arcsec Uncertainty : 0.025 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 5.03 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.381 b/a = 0.38 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 64.3 deg [J2000] 64 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 : 126.8604945688 17.2840799682 (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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