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Date and Time of the Query: 2019-02-19 T23:41:57 PST
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Diameter data point(s) for object NGC 7381

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.......:
14.3 (a) arcsec ... ... 0.660 (b/a) ... ... ... -50
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 28.60 ... 0.66 0.34 0.39 49 130
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
31.0 (a) arcsec ... ... 0.660 (b/a) ... ... ... -50
[J2000]
Diameter for "total" magnitude 1.38E+14 62.00 ... 0.66 0.34 0.39 49 130
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.60 arcmin 0.30 arcmin ... ... ... ... ... High surface brightness 7.40E+14 36.00 ... 0.50 0.50 0.60 60 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
0.70 arcmin 0.50 arcmin ... ... ... ... 123
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 42.00 ... 0.71 0.29 0.32 44 123
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
43.15 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 43.15 ... 0.71 0.29 0.32 44 123
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
48.98 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 48.98 ... 0.71 0.29 0.32 44 123
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
53.70 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 53.70 ... 0.71 0.29 0.32 44 123
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
25.12 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
70% total B light 6.81E+14 25.12 ... 0.71 0.29 0.32 44 123
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
29.17 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
80% total B light 6.81E+14 29.17 ... 0.71 0.29 0.32 44 123
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
35.48 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
90% total B light 6.81E+14 35.48 ... 0.71 0.29 0.32 44 123
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
19.05 arcsec ... ... 1.40 (a/b) ... ... ... 123.00
[B1950]
50% total B light, major dia. 6.81E+14 19.05 ... 0.71 0.29 0.32 44 123
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
17.38 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 17.38 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
5.49 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 5.49 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
12.77 arcsec ... ... 1.61 (a/b) ... ... ... 123.83
[B1950]
B exponential scale length 6.81E+14 12.77 ... 0.62 0.38 0.44 51 124
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
9.33 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 9.33 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.83 log(2a) + 1 ... ... 0.18
log(a/b)
0.05 ... ... 123
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 40.60 4.90 0.66 0.34 0.39 49 123
[J2000]
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.84 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 41.50 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J22500813-1943304       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 14.3       arcsec               2a = 28.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 18.88 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.660                         b/a = 0.66
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.34
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.39
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 49 deg
Position Angle [Equinox]      :  -50   deg [J2000]                  130 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          : 342.533966      -19.725105    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J22500813-1943304 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 31.0 arcsec 2a = 62.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 40.92 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.660 b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : -50 deg [J2000] 130 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 : 342.533966 -19.725105 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -03-58-007A Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 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] : ... ... 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 : 224724 -2001 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 603- G 017 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 0.70 arcmin 2a = 42.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123 deg [B1950] 123 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 : 224727. -195918. (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 43.15 arcsec 2a = 43.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 60.43 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 48.98 arcsec 2a = 48.98 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 68.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 53.70 arcsec 2a = 53.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 75.21 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 25.12 arcsec 2a = 25.12 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 35.18 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 29.17 arcsec 2a = 29.17 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 40.85 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 35.48 arcsec 2a = 35.48 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 49.69 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 19.05 arcsec 2a = 19.05 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 26.68 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.40 b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 123.00 deg [B1950] 123 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 17.38 arcsec 2a = 17.38 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 5.49 arcsec 2a = 5.49 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 12.77 arcsec 2a = 12.77 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 20.50 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.61 b/a = 0.62 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 123.83 deg [B1950] 124 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 : 341.862488 -19.988333 (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 6030170 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 9.33 arcsec 2a = 9.33 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 : 341.862488 -19.988333 (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 603- G 017 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.83 2a = 40.60 arcsec Uncertainty : 0.05 4.90 arcsec Minor Axis (2b) : ... 2b = 26.84 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.18 b/a = 0.66 Uncertainty : 0.03 0.05 Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 123 deg [J2000] 123 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 : 225008.2 -194324. (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 603- G 017 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.84 2a = 41.50 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 : 225008.2 -194324. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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