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Date and Time of the Query: 2018-12-12 T04:21:50 PST
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Diameter data point(s) for object NGC 0031

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.......:
19.9 (a) arcsec ... ... 0.640 (b/a) ... ... ... 15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 39.80 ... 0.64 0.36 0.42 50 15
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
32.2 (a) arcsec ... ... 0.640 (b/a) ... ... ... 15
[J2000]
Diameter for "total" magnitude 1.38E+14 64.50 ... 0.64 0.36 0.42 50 15
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.30 arcmin 0.70 arcmin ... ... ... ... 5
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 78.00 ... 0.54 0.46 0.55 57 5
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
67.61 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 67.61 ... 0.54 0.46 0.55 57 5
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
78.52 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 78.52 ... 0.54 0.46 0.55 57 5
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
88.10 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 88.10 ... 0.54 0.46 0.55 57 5
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
41.21 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
70% total B light 6.81E+14 41.21 ... 0.54 0.46 0.55 57 5
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
47.86 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
80% total B light 6.81E+14 47.86 ... 0.54 0.46 0.55 57 5
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
58.88 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
90% total B light 6.81E+14 58.88 ... 0.54 0.46 0.55 57 5
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
30.90 arcsec ... ... 1.86 (a/b) ... ... ... 5.00
[B1950]
50% total B light, major dia. 6.81E+14 30.90 ... 0.54 0.46 0.55 57 5
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
23.44 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 23.44 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
12.76 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 12.76 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
15.67 arcsec ... ... 1.90 (a/b) ... ... ... 2.52
[B1950]
B exponential scale length 6.81E+14 15.67 ... 0.53 0.47 0.57 58 3
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
9.85 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 9.85 ... ... ... ... ... ...
15 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.03 log(2a) + 1 ... ... 0.24
log(a/b)
0.05 ... ... 5
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 64.30 7.80 0.57 0.43 0.50 55 5
[J2000]
16 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.96 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 54.70 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J00103838-5659114       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 19.9       arcsec               2a = 39.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 25.47 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.640                         b/a = 0.64
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.36
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.42
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 50 deg
Position Angle [Equinox]      :   15   deg [J2000]                  15 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          : 2.659969        -56.986496    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J00103838-5659114 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 32.2 arcsec 2a = 64.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 41.28 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.640 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 15 deg [J2000] 15 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 : 2.659969 -56.986496 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 149- G 020 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.30 arcmin 2a = 78.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5 deg [B1950] 5 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 : 000809. -571548. (B1950) Qualifiers : From new, raw data NED Comment : Major diameter flagged uncertain.
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 67.61 arcsec 2a = 67.61 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 125.67 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 78.52 arcsec 2a = 78.52 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 145.95 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 88.10 arcsec 2a = 88.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 163.75 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 41.21 arcsec 2a = 41.21 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 76.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 47.86 arcsec 2a = 47.86 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 88.96 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 58.88 arcsec 2a = 58.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 109.44 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 30.90 arcsec 2a = 30.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 57.43 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.86 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5.00 deg [B1950] 5 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 23.44 arcsec 2a = 23.44 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 12.76 arcsec 2a = 12.76 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 : 2.037500 -57.263332 (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 1490200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 15.67 arcsec 2a = 15.67 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 29.73 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.90 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 2.52 deg [B1950] 3 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 : 2.037500 -57.263332 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1490200 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 9.85 arcsec 2a = 9.85 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 : 2.037500 -57.263332 (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 : 1991RC3.9.C...0000d Published Object Name : ESO 149- G 020 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.03 2a = 64.30 arcsec Uncertainty : 0.05 7.80 arcsec Minor Axis (2b) : ... 2b = 36.97 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.24 b/a = 0.57 Uncertainty : 0.04 0.06 Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.50 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 5 deg [J2000] 5 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 : 001038.6 -565906. (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 149- G 020 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.96 2a = 54.70 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 : 001038.6 -565906. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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