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Date and Time of the Query: 2019-05-19 T14:29:59 PDT
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Diameter data point(s) for object NGC 7636

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.......:
19.5 (a) arcsec ... ... 0.700 (b/a) ... ... ... 35
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 39.00 ... 0.70 0.30 0.34 46 35
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
32.1 (a) arcsec ... ... 0.700 (b/a) ... ... ... 35
[J2000]
Diameter for "total" magnitude 1.38E+14 64.20 ... 0.70 0.30 0.34 46 35
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.30 arcmin 0.25 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 18.00 ... 0.83 0.17 0.18 34 ...
4 POSS1 103a-O
1968MCG4..C...0000V
0.60 arcmin 0.40 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 36.00 ... 0.67 0.33 0.38 48 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.10 arcmin 0.70 arcmin ... ... ... ... 30
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 66.00 ... 0.64 0.36 0.42 51 30
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
53.70 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 53.70 ... 0.70 0.30 0.34 45 38
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
68.39 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 68.39 ... 0.70 0.30 0.34 45 38
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
81.28 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 81.28 ... 0.70 0.30 0.34 45 38
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
26.00 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
70% total B light 6.81E+14 26.00 ... 0.70 0.30 0.34 45 38
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
36.31 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
80% total B light 6.81E+14 36.31 ... 0.70 0.30 0.34 45 38
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
51.88 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
90% total B light 6.81E+14 51.88 ... 0.70 0.30 0.34 45 38
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
13.80 arcsec ... ... 1.43 (a/b) ... ... ... 38.15
[B1950]
50% total B light, major dia. 6.81E+14 13.80 ... 0.70 0.30 0.34 45 38
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
12.02 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 12.02 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
6.69 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 6.69 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.08 arcsec ... ... 1.29 (a/b) ... ... ... 39.34
[B1950]
B exponential scale length 6.81E+14 0.08 ... 0.77 0.23 0.25 39 39
[J2000]
16 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.03 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.03 ... ... ... ... ... ...
17 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.95 log(2a) + 1 ... ... 0.19
log(a/b)
0.06 ... ... 30
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 53.50 7.90 0.65 0.35 0.41 50 30
[J2000]
18 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.92 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 49.90 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J23223294-2916507       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 19.5       arcsec               2a = 39.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 27.30 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.700                         b/a = 0.70
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.30
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.34
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 46 deg
Position Angle [Equinox]      :   35   deg [J2000]                  35 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          : 350.637329      -29.280695    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J23223294-2916507 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 32.1 arcsec 2a = 64.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 44.94 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 35 deg [J2000] 35 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 : 350.637329 -29.280695 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-55-005 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.30 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.25 arcmin 2b = 15.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.83 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 34 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 : 231942 -2934 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-55-005 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Low 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 : 231942 -2934 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 470- G 002 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.10 arcmin 2a = 66.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... 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) : ... 51 deg Position Angle [Equinox] : 30 deg [B1950] 30 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 : 231953. -293318. (B1950) Qualifiers : From new, raw data NED Comment : Diameters and PA flagged uncertain.
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 53.70 arcsec 2a = 53.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 76.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 68.39 arcsec 2a = 68.39 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 97.56 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 81.28 arcsec 2a = 81.28 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 115.95 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 26.00 arcsec 2a = 26.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 37.09 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 36.31 arcsec 2a = 36.31 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 51.80 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 51.88 arcsec 2a = 51.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 74.01 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 13.80 arcsec 2a = 13.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 19.69 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 38.15 deg [B1950] 38 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 12.02 arcsec 2a = 12.02 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 : 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 6.69 arcsec 2a = 6.69 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 : 349.970825 -29.555000 (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 4700020 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.08 arcsec 2a = 0.08 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.29 b/a = 0.77 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.23 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.25 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 39.34 deg [B1950] 39 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 : 349.970825 -29.555000 (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 : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4700020 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.03 arcsec 2a = 0.03 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 : 349.970825 -29.555000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 470- G 002 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.95 2a = 53.50 arcsec Uncertainty : 0.06 7.90 arcsec Minor Axis (2b) : ... 2b = 34.56 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.19 b/a = 0.65 Uncertainty : 0.04 0.06 Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 30 deg [J2000] 30 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 : 232233.2 -291650. (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 470- G 002 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.92 2a = 49.90 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 : 232233.2 -291650. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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