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Date and Time of the Query: 2019-06-19 T13:12:44 PDT
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Diameter data point(s) for object NGC 7496

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.......:
72.4 (a) arcsec ... ... 0.400 (b/a) ... ... ... -30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 144.80 ... 0.40 0.60 0.72 66 150
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
140.2 (a) arcsec ... ... 0.400 (b/a) ... ... ... -30
[J2000]
Diameter for "total" magnitude 1.38E+14 280.50 ... 0.40 0.60 0.72 66 150
[J2000]
3 POSS1 103a-E
1974MCG5..C...0000V
0.4 arcmin 0.3 arcmin ... ... ... ... ... High surface brightness 7.40E+14 24.00 ... 0.75 0.25 0.28 41 ...
4 POSS1 103a-E
1974MCG5..C...0000V
2.4 arcmin 1.4 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 144.00 ... 0.58 0.42 0.49 54 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
4.50 arcmin 4.50 arcmin ... ... ... ... ... About 25.5 B-mag arcsec^-2^ 6.81E+14 270.00 ... 1.00 0.00 0.00 0 ...
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
184.08 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 184.08 ... 1.00 0.00 0.00 0 ...
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
231.74 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 231.74 ... 1.00 0.00 0.00 0 ...
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
278.61 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 278.61 ... 1.00 0.00 0.00 0 ...
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
117.49 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
70% total B light 6.81E+14 117.49 ... 1.00 0.00 0.00 0 ...
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
142.89 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
80% total B light 6.81E+14 142.89 ... 1.00 0.00 0.00 0 ...
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
190.55 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
90% total B light 6.81E+14 190.55 ... 1.00 0.00 0.00 0 ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
87.10 arcsec ... ... 1.00 (a/b) ... ... ... 0.00
[B1950]
50% total B light, major dia. 6.81E+14 87.10 ... 1.00 0.00 0.00 0 ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
87.10 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 87.10 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
40.29 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 40.29 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
33.66 arcsec ... ... 2.25 (a/b) ... ... ... 169.69
[B1950]
B exponential scale length 6.81E+14 33.66 ... 0.44 0.56 0.67 64 170
[J2000]
16 ESO-LV IIIa-F
1989ESOLV.C...0000L
25.27 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 25.27 ... ... ... ... ... ...
17 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.52 log(2a) + 1 ... ... 0.04
log(a/b)
0.03 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 198.70 14.20 0.91 0.09 0.09 24 ...
18 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.30 log(2a) + 1 ... ... ... 0.15 ... ... ... ... 6.81E+14 119.70 49.40 ... ... ... ... ...
19 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.52 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 198.70 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J23094729-4325408       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 72.4       arcsec               2a = 144.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 57.92 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.400                         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]      :  -30   deg [J2000]                  150 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          : 347.447021      -43.427956    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J23094729-4325408 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 140.2 arcsec 2a = 280.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 112.20 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.400 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] : -30 deg [J2000] 150 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 : 347.447021 -43.427956 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-47-020 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 0.4 arcmin 2a = 24.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.3 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 41 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 : 230700 -4342 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-47-020 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 2.4 arcmin 2a = 144.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.4 arcmin 2b = 84.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.58 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 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 : 230700 -4342 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 291- G 001 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 4.50 arcmin 2a = 270.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 4.50 arcmin 2b = 270.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : ... ... 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 : 230659. -434200. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 184.08 arcsec 2a = 184.08 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 184.08 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (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 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 231.74 arcsec 2a = 231.74 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 231.74 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (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 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 278.61 arcsec 2a = 278.61 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 278.61 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (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 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 117.49 arcsec 2a = 117.49 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 117.49 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (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 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 142.89 arcsec 2a = 142.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 142.89 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (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 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 190.55 arcsec 2a = 190.55 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 190.55 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (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 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 87.10 arcsec 2a = 87.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 87.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.00 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.00 deg [B1950] -998 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 : 346.745819 -43.700001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 87.10 arcsec 2a = 87.10 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 : 346.745819 -43.700001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 40.29 arcsec 2a = 40.29 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 : 346.745819 -43.700001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2910010 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 33.66 arcsec 2a = 33.66 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 75.81 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.25 b/a = 0.44 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 169.69 deg [B1950] 170 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 : 346.745819 -43.700001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 16 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2910010 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 25.27 arcsec 2a = 25.27 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 : 346.745819 -43.700001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 291- G 001 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.52 2a = 198.70 arcsec Uncertainty : 0.03 14.20 arcsec Minor Axis (2b) : ... 2b = 181.21 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.04 b/a = 0.91 Uncertainty : 0.04 0.09 Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 24 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 : 230947.0 -432543. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 291- G 001 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.30 2a = 119.70 arcsec Uncertainty : 0.15 49.40 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 : 230947.0 -432543. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 19 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 291- G 001 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.52 2a = 198.70 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 : 230947.0 -432543. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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