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Date and Time of the Query: 2019-03-24 T04:57:24 PDT
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Diameter data point(s) for object IC 2507

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.......:
43.1 (a) arcsec ... ... 0.320 (b/a) ... ... ... 55
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 86.20 ... 0.32 0.68 0.81 71 55
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
43.1 (a) arcsec ... ... 0.320 (b/a) ... ... ... 55
[J2000]
Diameter for "total" magnitude 1.38E+14 86.10 ... 0.32 0.68 0.81 71 55
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
1.40 arcmin 0.60 arcmin ... ... ... ... ... High surface brightness 7.40E+14 84.00 ... 0.43 0.57 0.69 65 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
2.00 arcmin 1.00 arcmin ... ... ... ... 43
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 120.00 ... 0.50 0.50 0.60 60 43
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
109.65 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 109.65 ... 0.50 0.50 0.60 60 43
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
125.89 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 125.89 ... 0.50 0.50 0.60 60 43
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
138.04 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 138.04 ... 0.50 0.50 0.60 60 43
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
56.23 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
70% total B light 6.81E+14 56.23 ... 0.50 0.50 0.60 60 43
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
69.98 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
80% total B light 6.81E+14 69.98 ... 0.50 0.50 0.60 60 43
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
89.13 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
90% total B light 6.81E+14 89.13 ... 0.50 0.50 0.60 60 43
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
41.21 arcsec ... ... 2.00 (a/b) ... ... ... 43.00
[B1950]
50% total B light, major dia. 6.81E+14 41.21 ... 0.50 0.50 0.60 60 43
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
33.11 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 33.11 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
15.32 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 15.32 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
23.64 arcsec ... ... 1.85 (a/b) ... ... ... 45.68
[B1950]
B exponential scale length 6.81E+14 23.64 ... 0.54 0.46 0.55 57 46
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
24.77 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 24.77 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.22 log(2a) + 1 ... ... 0.31
log(a/b)
0.04 ... ... 43
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 99.60 9.60 0.49 0.51 0.61 61 43
[J2000]
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.27 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 111.70 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J09443293-3147307       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 43.1       arcsec               2a = 86.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 27.58 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.320                         b/a = 0.32
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.68
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.81
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 71 deg
Position Angle [Equinox]      :   55   deg [J2000]                  55 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          : 146.137238      -31.791925    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09443293-3147307 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 43.1 arcsec 2a = 86.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 27.55 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.320 b/a = 0.32 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 55 deg [J2000] 55 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 : 146.137238 -31.791925 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-23-009 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.40 arcmin 2a = 84.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.60 arcmin 2b = 36.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.43 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.57 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.69 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 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 : "Outer" diameter Coordinates Targeted : 094218 -3134 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 434- G 031 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 2.00 arcmin 2a = 120.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.00 arcmin 2b = 60.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43 deg [B1950] 43 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 : 094224. -313336. (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 109.65 arcsec 2a = 109.65 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 219.30 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 125.89 arcsec 2a = 125.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 251.78 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 138.04 arcsec 2a = 138.04 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 276.08 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 56.23 arcsec 2a = 56.23 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 112.46 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 69.98 arcsec 2a = 69.98 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 139.96 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 89.13 arcsec 2a = 89.13 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 178.26 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 41.21 arcsec 2a = 41.21 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 82.42 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.00 b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 43.00 deg [B1950] 43 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 33.11 arcsec 2a = 33.11 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 15.32 arcsec 2a = 15.32 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 : 145.600006 -31.559999 (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 4340310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 23.64 arcsec 2a = 23.64 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 43.70 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.85 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] : 45.68 deg [B1950] 46 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 : 145.600006 -31.559999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4340310 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 24.77 arcsec 2a = 24.77 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 : 145.600006 -31.559999 (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 : 1991RC3.9.C...0000d Published Object Name : ESO 434- G 031 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.22 2a = 99.60 arcsec Uncertainty : 0.04 9.60 arcsec Minor Axis (2b) : ... 2b = 48.80 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.31 b/a = 0.49 Uncertainty : 0.03 0.04 Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 43 deg [J2000] 43 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 : 094434.7 -314726. (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 434- G 031 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.27 2a = 111.70 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 : 094434.7 -314726. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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