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Date and Time of the Query: 2019-06-17 T21:00:21 PDT
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Diameter data point(s) for object IC 4237

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.......:
43.9 (a) arcsec ... ... 0.780 (b/a) ... ... ... -45
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 87.80 ... 0.78 0.22 0.24 39 135
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
67.6 (a) arcsec ... ... 0.780 (b/a) ... ... ... -45
[J2000]
Diameter for "total" magnitude 1.38E+14 135.20 ... 0.78 0.22 0.24 39 135
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
1.50 arcmin 1.00 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 90.00 ... 0.67 0.33 0.38 48 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
3.40 arcmin 2.00 arcmin ... ... ... ... 140
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 204.00 ... 0.59 0.41 0.49 54 140
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
131.83 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 131.83 ... 0.59 0.41 0.49 54 140
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
160.32 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 160.32 ... 0.59 0.41 0.49 54 140
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
181.97 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 181.97 ... 0.59 0.41 0.49 54 140
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
81.28 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
70% total B light 6.81E+14 81.28 ... 0.59 0.41 0.49 54 140
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
97.72 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
80% total B light 6.81E+14 97.72 ... 0.59 0.41 0.49 54 140
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
124.45 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
90% total B light 6.81E+14 124.45 ... 0.59 0.41 0.49 54 140
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
60.26 arcsec ... ... 1.70 (a/b) ... ... ... 140.00
[B1950]
50% total B light, major dia. 6.81E+14 60.26 ... 0.59 0.41 0.49 54 140
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
46.24 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 46.24 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
17.54 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 17.54 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
28.44 arcsec ... ... 1.36 (a/b) ... ... ... 134.17
[B1950]
B exponential scale length 6.81E+14 28.44 ... 0.74 0.26 0.30 43 134
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
31.57 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 31.57 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.31 log(2a) + 1 ... ... 0.19
log(a/b)
0.03 ... ... 140
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 122.50 8.80 0.65 0.35 0.41 50 140
[J2000]
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.34 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 131.30 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J13243276-2108124       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 43.9       arcsec               2a = 87.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 68.48 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.780                         b/a = 0.78
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.22
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.24
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 39 deg
Position Angle [Equinox]      :  -45   deg [J2000]                  135 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          : 201.136505      -21.136826    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13243276-2108124 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 67.6 arcsec 2a = 135.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 105.46 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.780 b/a = 0.78 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : -45 deg [J2000] 135 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 : 201.136505 -21.136826 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -03-34-068 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.50 arcmin 2a = 90.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.00 arcmin 2b = 60.00 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 : 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 : 132148 -2053 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 576- G 048 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 3.40 arcmin 2a = 204.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 2.00 arcmin 2b = 120.00 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] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : About 25.5 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 : "Outer" diameter Coordinates Targeted : 132150. -205236. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 131.83 arcsec 2a = 131.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 224.20 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 160.32 arcsec 2a = 160.32 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 272.65 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 26.0 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 7 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 181.97 arcsec 2a = 181.97 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 309.47 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 27.0 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 8 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 81.28 arcsec 2a = 81.28 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 138.23 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 70% total B light 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 9 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 97.72 arcsec 2a = 97.72 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 166.19 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 80% total B light 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 10 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 124.45 arcsec 2a = 124.45 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 211.65 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 90% total B light 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 11 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 60.26 arcsec 2a = 60.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 102.48 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.70 b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 50% total B light, major dia. 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 : Microphotometer scan of photographic plate or film Measured Quantity : Half-light ("effective") diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 46.24 arcsec 2a = 46.24 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 : 50% total B light, aperture 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 : Microphotometer scan of photographic plate or film Measured Quantity : Half-light ("effective") diameter Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 17.54 arcsec 2a = 17.54 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 : B disk exp. scale length 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 : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 28.44 arcsec 2a = 28.44 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 38.59 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 134.17 deg [B1950] 134 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : B exponential scale length 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 : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5760480 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 31.57 arcsec 2a = 31.57 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 : R exponential scale length Frequency : 6400 A 4.68E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 200.458328 -20.876667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 576- G 048 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.31 2a = 122.50 arcsec Uncertainty : 0.03 8.80 arcsec Minor Axis (2b) : ... 2b = 79.14 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.19 b/a = 0.65 Uncertainty : 0.03 0.05 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] : 140 deg [J2000] 140 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 : 132432.9 -210813. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 576- G 048 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.34 2a = 131.30 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 : 132432.9 -210813. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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