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Date and Time of the Query: 2019-04-22 T18:13:19 PDT
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Diameter data point(s) for object NGC 3312

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.......:
59.2 (a) arcsec ... ... 0.580 (b/a) ... ... ... -15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 118.40 ... 0.58 0.42 0.50 55 165
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
83.4 (a) arcsec ... ... 0.580 (b/a) ... ... ... -15
[J2000]
Diameter for "total" magnitude 1.38E+14 166.80 ... 0.58 0.42 0.50 55 165
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.35 arcmin 0.20 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 21.00 ... 0.57 0.43 0.51 55 ...
4 POSS1 103a-O
1968MCG4..C...0000V
3.20 arcmin 1.00 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 192.00 ... 0.31 0.69 0.82 72 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
4.20 arcmin 1.70 arcmin ... ... ... ... 175
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 252.00 ... 0.41 0.59 0.72 66 175
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
204.17 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 204.17 ... 0.41 0.59 0.72 66 175
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
245.47 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 245.47 ... 0.41 0.59 0.72 66 175
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
302.00 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 302.00 ... 0.41 0.59 0.72 66 175
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
142.89 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
70% total B light 6.81E+14 142.89 ... 0.41 0.59 0.72 66 175
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
164.06 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
80% total B light 6.81E+14 164.06 ... 0.41 0.59 0.72 66 175
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
208.93 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
90% total B light 6.81E+14 208.93 ... 0.41 0.59 0.72 66 175
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
109.65 arcsec ... ... 2.47 (a/b) ... ... ... 175.00
[B1950]
50% total B light, major dia. 6.81E+14 109.65 ... 0.41 0.59 0.72 66 175
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
72.44 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 72.44 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
36.53 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 36.53 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
65.95 arcsec ... ... 3.85 (a/b) ... ... ... 174.72
[B1950]
B exponential scale length 6.81E+14 65.95 ... 0.26 0.74 0.87 75 175
[J2000]
16 ESO-LV IIIa-F
1989ESOLV.C...0000L
3.59 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 3.59 ... ... ... ... ... ...
17 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.52 log(2a) + 1 ... ... 0.42
log(a/b)
0.02 ... ... 175
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 198.70 9.40 0.38 0.62 0.75 68 175
[J2000]
18 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.55 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 212.90 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J10370254-2733541       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 59.2       arcsec               2a = 118.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 68.67 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.580                         b/a = 0.58
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.42
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.50
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 55 deg
Position Angle [Equinox]      :  -15   deg [J2000]                  165 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          : 159.260544      -27.565020    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J10370254-2733541 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 83.4 arcsec 2a = 166.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 96.74 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.580 b/a = 0.58 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.50 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : -15 deg [J2000] 165 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 : 159.260544 -27.565020 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-25-039 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.35 arcmin 2a = 21.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.57 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very 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 : 103442 -2718 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-25-039 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 3.20 arcmin 2a = 192.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.00 arcmin 2b = 60.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.31 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.69 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.82 Uncertainty : ... ... Cos-1(b/a) : ... 72 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 : 103442 -2718 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 501- G 043 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 4.20 arcmin 2a = 252.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.70 arcmin 2b = 102.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175 deg [B1950] 175 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 : 103441. -271818. (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 204.17 arcsec 2a = 204.17 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 504.12 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 245.47 arcsec 2a = 245.47 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 606.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 302.00 arcsec 2a = 302.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 745.68 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 142.89 arcsec 2a = 142.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 352.81 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 164.06 arcsec 2a = 164.06 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 405.09 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 208.93 arcsec 2a = 208.93 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 515.88 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 109.65 arcsec 2a = 109.65 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 270.74 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.47 b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 175.00 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 72.44 arcsec 2a = 72.44 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 36.53 arcsec 2a = 36.53 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 65.95 arcsec 2a = 65.95 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 253.65 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.85 b/a = 0.26 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.74 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.87 Uncertainty : ... ... Cos-1(b/a) : ... 75 deg Position Angle [Equinox] : 174.72 deg [B1950] 175 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 : 158.670837 -27.305000 (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 5010430 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 3.59 arcsec 2a = 3.59 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 : 158.670837 -27.305000 (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 501- G 043 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.52 2a = 198.70 arcsec Uncertainty : 0.02 9.40 arcsec Minor Axis (2b) : ... 2b = 75.51 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.42 b/a = 0.38 Uncertainty : 0.03 0.03 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] : 175 deg [J2000] 175 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 : 103702.4 -273353. (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 501- G 043 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.55 2a = 212.90 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 : 103702.4 -273353. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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