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Date and Time of the Query: 2019-05-21 T13:47:37 PDT
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Diameter data point(s) for object NGC 3673

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 POSS1 103a-O
1968MCG4..C...0000V
0.60 arcmin 0.40 arcmin ... ... ... ... ... High surface brightness 7.40E+14 36.00 ... 0.67 0.33 0.38 48 ...
2 POSS1 103a-O
1968MCG4..C...0000V
3.50 arcmin 2.00 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 210.00 ... 0.57 0.43 0.51 55 ...
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
5.00 arcmin 3.50 arcmin ... ... ... ... 70
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 300.00 ... 0.70 0.30 0.34 46 70
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
206.54 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 206.54 ... 0.70 0.30 0.34 46 70
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
266.07 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 266.07 ... 0.70 0.30 0.34 46 70
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
302.00 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 302.00 ... 0.70 0.30 0.34 46 70
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
133.35 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
70% total B light 6.81E+14 133.35 ... 0.70 0.30 0.34 46 70
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
169.82 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
80% total B light 6.81E+14 169.82 ... 0.70 0.30 0.34 46 70
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
218.78 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
90% total B light 6.81E+14 218.78 ... 0.70 0.30 0.34 46 70
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
92.26 arcsec ... ... 1.43 (a/b) ... ... ... 70.00
[B1950]
50% total B light, major dia. 6.81E+14 92.26 ... 0.70 0.30 0.34 46 70
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
82.22 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 82.22 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
30.74 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 30.74 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
30.25 arcsec ... ... 2.39 (a/b) ... ... ... 75.53
[B1950]
B exponential scale length 6.81E+14 30.25 ... 0.42 0.58 0.70 65 76
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
7.71 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 7.71 ... ... ... ... ... ...
15 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.56 log(2a) + 1 ... ... 0.18
log(a/b)
0.02 ... ... 70
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 217.80 10.30 0.66 0.34 0.39 49 70
[J2000]
16 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.58 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 228.10 ... ... ... ... ... ...
17 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
76.0 (a) arcsec ... ... 0.470 (b/a) ... ... ... 85.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 152.00 ... 0.47 0.53 0.64 62 85
[J2000]
18 K_s (LGA/2MASS "total")
2003AJ....125..525J
135.0 (a) arcsec ... ... 0.470 (b/a) ... ... ... 85.0
[J2000]
Diameter for "total" magnitude 1.38E+14 270.00 ... 0.47 0.53 0.64 62 85
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -04-27-010                
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 0.60       arcmin                   2a = 36.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.40      arcmin              2b = 24.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.67
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.33
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.38
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 48 deg
Position Angle [Equinox]      : ...                                 ...
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : 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          : 112242          -2627    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-27-010 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 3.50 arcmin 2a = 210.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 2.00 arcmin 2b = 120.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.57 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 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 : 112242 -2627 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 503- G 016 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 5.00 arcmin 2a = 300.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 3.50 arcmin 2b = 210.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70 deg [B1950] 70 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 : 112244. -262742. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 206.54 arcsec 2a = 206.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 295.06 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 266.07 arcsec 2a = 266.07 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 380.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 302.00 arcsec 2a = 302.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 431.43 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 133.35 arcsec 2a = 133.35 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 190.50 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 169.82 arcsec 2a = 169.82 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 242.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 218.78 arcsec 2a = 218.78 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 312.54 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 92.26 arcsec 2a = 92.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 131.80 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.43 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 70.00 deg [B1950] 70 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 82.22 arcsec 2a = 82.22 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 : 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 : 170.683334 -26.461666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 30.74 arcsec 2a = 30.74 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 : 170.683334 -26.461666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5030160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 30.25 arcsec 2a = 30.25 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 72.20 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.39 b/a = 0.42 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : 75.53 deg [B1950] 76 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 : 170.683334 -26.461666 (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 5030160 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 7.71 arcsec 2a = 7.71 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 : 170.683334 -26.461666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 15 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 503- G 016 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.56 2a = 217.80 arcsec Uncertainty : 0.02 10.30 arcsec Minor Axis (2b) : ... 2b = 143.97 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] : 70 deg [J2000] 70 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 : 112512.6 -264412. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 503- G 016 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.58 2a = 228.10 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 : 112512.6 -264412. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 17 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3673 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 76.0 arcsec 2a = 152.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 71.44 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.470 b/a = 0.47 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.64 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 85.0 deg [J2000] 85 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 : 171.303696 -26.736879 (J2000) Qualifiers : From new, raw data NED Comment :
No. 18 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3673 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 135.0 arcsec 2a = 270.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 126.90 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.470 b/a = 0.47 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.64 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 85.0 deg [J2000] 85 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 : 171.303696 -26.736879 (J2000) Qualifiers : From new, raw data NED Comment :

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