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Date and Time of the Query: 2019-05-19 T19:47:27 PDT
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Diameter data point(s) for object IC 4781

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.......:
26.2 (a) arcsec ... ... 0.520 (b/a) ... ... ... -5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 52.40 ... 0.52 0.48 0.57 59 175
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
47.6 (a) arcsec ... ... 0.520 (b/a) ... ... ... -5
[J2000]
Diameter for "total" magnitude 1.38E+14 95.20 ... 0.52 0.48 0.57 59 175
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.00 arcmin 0.60 arcmin ... ... ... ... 2
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 60.00 ... 0.60 0.40 0.47 53 1
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
52.48 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 52.48 ... 0.60 0.40 0.47 53 1
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
69.98 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 69.98 ... 0.60 0.40 0.47 53 1
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
90.16 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 90.16 ... 0.60 0.40 0.47 53 1
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
38.02 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
70% total B light 6.81E+14 38.02 ... 0.60 0.40 0.47 53 1
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
47.32 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
80% total B light 6.81E+14 47.32 ... 0.60 0.40 0.47 53 1
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
66.07 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
90% total B light 6.81E+14 66.07 ... 0.60 0.40 0.47 53 1
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
26.61 arcsec ... ... 1.67 (a/b) ... ... ... 2.00
[B1950]
50% total B light, major dia. 6.81E+14 26.61 ... 0.60 0.40 0.47 53 1
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
20.65 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 20.65 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
12.41 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 12.41 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.28 arcsec ... ... 2.03 (a/b) ... ... ... 179.96
[B1950]
B exponential scale length 6.81E+14 0.28 ... 0.49 0.51 0.61 61 179
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.07 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.07 ... ... ... ... ... ...
15 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.94 log(2a) + 1 ... ... 0.22
log(a/b)
0.06 ... ... 2
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 52.30 7.70 0.60 0.40 0.47 53 1
[J2000]
16 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.94 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 52.30 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J18513762-6247333       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 26.2       arcsec               2a = 52.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 27.25 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.520                         b/a = 0.52
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.48
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.57
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 59 deg
Position Angle [Equinox]      :   -5   deg [J2000]                  175 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          : 282.906830      -62.792614    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J18513762-6247333 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 47.6 arcsec 2a = 95.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 49.50 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.520 b/a = 0.52 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : -5 deg [J2000] 175 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 : 282.906830 -62.792614 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 104- G 018 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.60 arcmin 2b = 36.00 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] : 2 deg [B1950] 1 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 : 184657. -625106. (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 52.48 arcsec 2a = 52.48 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 87.47 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 69.98 arcsec 2a = 69.98 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 116.63 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 90.16 arcsec 2a = 90.16 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 150.27 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 38.02 arcsec 2a = 38.02 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 63.37 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 47.32 arcsec 2a = 47.32 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 78.87 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 66.07 arcsec 2a = 66.07 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 110.12 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 26.61 arcsec 2a = 26.61 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 44.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.67 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] : 2.00 deg [B1950] 1 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 : 281.737488 -62.851666 (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 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 20.65 arcsec 2a = 20.65 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 : 281.737488 -62.851666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 12.41 arcsec 2a = 12.41 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 : 281.737488 -62.851666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1040180 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.28 arcsec 2a = 0.28 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.57 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.03 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 179.96 deg [B1950] 179 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 : 281.737488 -62.851666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1040180 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.07 arcsec 2a = 0.07 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 : 281.737488 -62.851666 (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 : 1991RC3.9.C...0000d Published Object Name : ESO 104- G 018 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.94 2a = 52.30 arcsec Uncertainty : 0.06 7.70 arcsec Minor Axis (2b) : ... 2b = 31.54 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.22 b/a = 0.60 Uncertainty : 0.05 0.07 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] : 2 deg [J2000] 1 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 : 185138.0 -624732. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 104- G 018 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.94 2a = 52.30 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 : 185138.0 -624732. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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