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Date and Time of the Query: 2019-04-25 T05:32:03 PDT
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Diameter data point(s) for object NGC 7658B

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.......:
23.2 (a) arcsec ... ... 0.380 (b/a) ... ... ... -55
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 46.40 ... 0.38 0.62 0.75 68 125
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
38.0 (a) arcsec ... ... 0.380 (b/a) ... ... ... -55
[J2000]
Diameter for "total" magnitude 1.38E+14 76.10 ... 0.38 0.62 0.75 68 125
[J2000]
3 POSS1 103a-E
1974MCG5..C...0000V
0.25 arcmin 0.15 arcmin ... ... ... ... ... ... 7.40E+14 15.00 ... 0.60 0.40 0.47 53 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.00 arcmin 0.40 arcmin ... ... ... ... 128
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 60.00 ... 0.40 0.60 0.72 66 128
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
53.09 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 53.09 ... 0.40 0.60 0.73 66 127
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
70.79 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 70.79 ... 0.40 0.60 0.73 66 127
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
130.32 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 130.32 ... 0.40 0.60 0.73 66 127
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
32.36 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
70% total B light 6.81E+14 32.36 ... 0.40 0.60 0.73 66 127
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
45.71 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
80% total B light 6.81E+14 45.71 ... 0.40 0.60 0.73 66 127
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
93.33 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
90% total B light 6.81E+14 93.33 ... 0.40 0.60 0.73 66 127
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
18.41 arcsec ... ... 2.50 (a/b) ... ... ... 127.42
[B1950]
50% total B light, major dia. 6.81E+14 18.41 ... 0.40 0.60 0.73 66 127
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
12.88 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 12.88 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
6.22 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 6.22 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.16 arcsec ... ... 2.27 (a/b) ... ... ... 127.83
[B1950]
B exponential scale length 6.81E+14 0.16 ... 0.44 0.56 0.67 64 128
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.05 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.05 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.91 log(2a) + 1 ... ... 0.47
log(a/b)
0.06 ... ... 128
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 48.80 7.20 0.34 0.66 0.79 70 128
[J2000]
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.85 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 42.50 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J23262482-3913357       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 23.2       arcsec               2a = 46.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 17.63 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.380                         b/a = 0.38
Uncertainty                   : ...                                 ...
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]      :  -55   deg [J2000]                  125 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          : 351.603546      -39.226612    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J23262482-3913357 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 38.0 arcsec 2a = 76.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 28.92 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.380 b/a = 0.38 Uncertainty : ... ... 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] : -55 deg [J2000] 125 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 : 351.603546 -39.226612 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-48-002 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 0.25 arcmin 2a = 15.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.15 arcmin 2b = 9.00 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] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : ... 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 : 232342 -3929 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 347- G 016 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 128 deg [B1950] 128 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 : 232343. -393006. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 53.09 arcsec 2a = 53.09 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 133.06 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 70.79 arcsec 2a = 70.79 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 177.42 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 130.32 arcsec 2a = 130.32 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 326.62 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 32.36 arcsec 2a = 32.36 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 81.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 45.71 arcsec 2a = 45.71 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 114.56 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 93.33 arcsec 2a = 93.33 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 233.91 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 18.41 arcsec 2a = 18.41 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 46.14 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 127.42 deg [B1950] 127 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 12.88 arcsec 2a = 12.88 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 6.22 arcsec 2a = 6.22 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.16 arcsec 2a = 0.16 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.36 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.27 b/a = 0.44 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 127.83 deg [B1950] 128 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 : 350.929169 -39.501667 (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 3470160 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.05 arcsec 2a = 0.05 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 : 350.929169 -39.501667 (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 347- G 016 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.91 2a = 48.80 arcsec Uncertainty : 0.06 7.20 arcsec Minor Axis (2b) : ... 2b = 16.54 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.47 b/a = 0.34 Uncertainty : 0.04 0.03 Ellipticity : ... 1 - b/a = 0.66 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.79 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 128 deg [J2000] 128 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 : 232625.1 -391335. (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 347- G 016 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.85 2a = 42.50 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 : 232625.1 -391335. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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