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Date and Time of the Query: 2019-06-15 T14:40:41 PDT
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Diameter data point(s) for object NGC 1301

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.......:
48.5 (a) arcsec ... ... 0.260 (b/a) ... ... ... -40
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 97.00 ... 0.26 0.74 0.87 75 140
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
69.6 (a) arcsec ... ... 0.260 (b/a) ... ... ... -40
[J2000]
Diameter for "total" magnitude 1.38E+14 139.30 ... 0.26 0.74 0.87 75 140
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.50 arcmin 0.20 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 30.00 ... 0.40 0.60 0.72 66 ...
4 POSS1 103a-O
1968MCG4..C...0000V
1.80 arcmin 0.40 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 108.00 ... 0.22 0.78 0.91 77 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
2.80 arcmin 0.50 arcmin ... ... ... ... 140
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 168.00 ... 0.18 0.82 0.94 80 140
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
144.54 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 144.54 ... 0.18 0.82 0.94 80 140
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
171.79 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 171.79 ... 0.18 0.82 0.94 80 140
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
192.8 arcsec ... ... 5.600 (a/b) ... ... ... 140.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 192.80 ... 0.18 0.82 0.94 80 140
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
192.75 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 192.75 ... 0.18 0.82 0.94 80 140
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
88.10 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
70% total B light 6.81E+14 88.10 ... 0.18 0.82 0.94 80 140
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
103.51 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
80% total B light 6.81E+14 103.51 ... 0.18 0.82 0.94 80 140
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
127.35 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
90% total B light 6.81E+14 127.35 ... 0.18 0.82 0.94 80 140
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
66.83 arcsec ... ... 5.60 (a/b) ... ... ... 140.00
[B1950]
50% total B light, major dia. 6.81E+14 66.83 ... 0.18 0.82 0.94 80 140
[J2000]
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
34.28 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 34.28 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
21.61 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 21.61 ... ... ... ... ... ...
16 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
30.03 arcsec ... ... 3.93 (a/b) ... ... ... 141.30
[B1950]
B exponential scale length 6.81E+14 30.03 ... 0.25 0.75 0.88 75 142
[J2000]
17 ESO-LV IIIa-F
1989ESOLV.C...0000L
20.60 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 20.60 ... ... ... ... ... ...
18 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.34 log(2a) + 1 ... ... 0.69
log(a/b)
0.02 ... ... 140
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 131.30 6.20 0.20 0.80 0.92 78 140
[J2000]
19 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.87 log(2a) + 1 ... ... ... 0.02 ... ... ... ... 6.81E+14 44.50 2.10 ... ... ... ... ...
20 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.35 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 134.30 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J03203532-1842552       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 48.5       arcsec               2a = 97.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 25.22 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.260                         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]      :  -40   deg [J2000]                  140 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          : 50.147205       -18.715328    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03203532-1842552 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 69.6 arcsec 2a = 139.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 36.22 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.260 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] : -40 deg [J2000] 140 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 : 50.147205 -18.715328 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -03-09-022 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.50 arcmin 2a = 30.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 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] : ... ... 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 : 031818 -1855 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -03-09-022 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.80 arcmin 2a = 108.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.22 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.78 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Intermed. 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 : 031818 -1855 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 547- G 032 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 2.80 arcmin 2a = 168.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140 deg [B1950] 140 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 : 031819. -185342. (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 144.54 arcsec 2a = 144.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 807.49 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 171.79 arcsec 2a = 171.79 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 959.72 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 192.8 arcsec 2a = 192.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1077.09 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.600 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.57917 -18.89500 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 192.75 arcsec 2a = 192.75 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1076.82 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 88.10 arcsec 2a = 88.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 492.18 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 103.51 arcsec 2a = 103.51 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 578.27 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 127.35 arcsec 2a = 127.35 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 711.45 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 66.83 arcsec 2a = 66.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 373.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.60 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 140.00 deg [B1950] 140 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 : 49.579166 -18.895000 (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 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 34.28 arcsec 2a = 34.28 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 : 49.579166 -18.895000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 21.61 arcsec 2a = 21.61 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 : 49.579166 -18.895000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 16 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5470320 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 30.03 arcsec 2a = 30.03 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 118.23 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.93 b/a = 0.25 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.75 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.88 Uncertainty : ... ... Cos-1(b/a) : ... 75 deg Position Angle [Equinox] : 141.30 deg [B1950] 142 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 : 49.579166 -18.895000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 17 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5470320 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 20.60 arcsec 2a = 20.60 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 : 49.579166 -18.895000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 547- G 032 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.34 2a = 131.30 arcsec Uncertainty : 0.02 6.20 arcsec Minor Axis (2b) : ... 2b = 26.79 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.69 b/a = 0.20 Uncertainty : 0.03 0.01 Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 140 deg [J2000] 140 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 : 032035.4 -184256. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 19 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 547- G 032 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.87 2a = 44.50 arcsec Uncertainty : 0.02 2.10 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 032035.4 -184256. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 20 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 547- G 032 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.35 2a = 134.30 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 : 032035.4 -184256. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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