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Date and Time of the Query: 2019-06-19 T08:50:24 PDT
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Diameter data point(s) for object NGC 0813

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.......:
25.5 (a) arcsec ... ... 0.760 (b/a) ... ... ... -85
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 51.00 ... 0.76 0.24 0.27 41 95
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
39.7 (a) arcsec ... ... 0.760 (b/a) ... ... ... -85
[J2000]
Diameter for "total" magnitude 1.38E+14 79.40 ... 0.76 0.24 0.27 41 95
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.50 arcmin 0.90 arcmin ... ... ... ... 99
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 90.00 ... 0.60 0.40 0.47 53 99
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
82.22 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 82.22 ... 0.64 0.36 0.41 50 103
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
109.65 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 109.65 ... 0.64 0.36 0.41 50 103
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
149.6 arcsec ... ... 1.554 (a/b) ... ... ... 102.89
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 149.60 ... 0.64 0.36 0.41 50 103
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
149.62 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 149.62 ... 0.64 0.36 0.41 50 103
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
52.48 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
70% total B light 6.81E+14 52.48 ... 0.64 0.36 0.41 50 103
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
75.86 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
80% total B light 6.81E+14 75.86 ... 0.64 0.36 0.41 50 103
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
130.32 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
90% total B light 6.81E+14 130.32 ... 0.64 0.36 0.41 50 103
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
26.00 arcsec ... ... 1.55 (a/b) ... ... ... 102.89
[B1950]
50% total B light, major dia. 6.81E+14 26.00 ... 0.64 0.36 0.41 50 103
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
20.42 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 20.42 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
9.02 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 9.02 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.08 arcsec ... ... 1.46 (a/b) ... ... ... 97.64
[B1950]
B exponential scale length 6.81E+14 0.08 ... 0.69 0.31 0.36 47 98
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.01 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.01 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.11 log(2a) + 1 ... ... 0.17
log(a/b)
0.05 ... ... 99
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 77.30 9.40 0.68 0.32 0.37 47 99
[J2000]
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.10 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 75.50 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J02013611-6826209       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 25.5       arcsec               2a = 51.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 38.76 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.760                         b/a = 0.76
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.24
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.27
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 41 deg
Position Angle [Equinox]      :  -85   deg [J2000]                  95 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          : 30.400303       -68.439194    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J02013611-6826209 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 39.7 arcsec 2a = 79.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 60.34 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.760 b/a = 0.76 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : -85 deg [J2000] 95 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 : 30.400303 -68.439194 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 052- G 016 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.50 arcmin 2a = 90.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.90 arcmin 2b = 54.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.60 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 99 deg [B1950] 99 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 : 020029. -684054. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 82.22 arcsec 2a = 82.22 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 127.67 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 109.65 arcsec 2a = 109.65 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 170.26 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 149.6 arcsec 2a = 149.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 232.30 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.554 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.12083 -68.68166 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 149.62 arcsec 2a = 149.62 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 232.33 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 52.48 arcsec 2a = 52.48 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 81.49 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 75.86 arcsec 2a = 75.86 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 117.80 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 130.32 arcsec 2a = 130.32 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 202.36 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 26.00 arcsec 2a = 26.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 40.37 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.55 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 102.89 deg [B1950] 103 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 20.42 arcsec 2a = 20.42 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 9.02 arcsec 2a = 9.02 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 : 30.120832 -68.681663 (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 0520160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.08 arcsec 2a = 0.08 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.12 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.46 b/a = 0.69 Uncertainty : ... ... 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] : 97.64 deg [B1950] 98 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 : 30.120832 -68.681663 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0520160 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.01 arcsec 2a = 0.01 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 : 30.120832 -68.681663 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 052- G 016 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.11 2a = 77.30 arcsec Uncertainty : 0.05 9.40 arcsec Minor Axis (2b) : ... 2b = 52.25 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.17 b/a = 0.68 Uncertainty : 0.05 0.08 Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : 99 deg [J2000] 99 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 : 020137.1 -682628. (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 052- G 016 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.10 2a = 75.50 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 : 020137.1 -682628. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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