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Date and Time of the Query: 2019-05-27 T04:03:37 PDT
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Diameter data point(s) for object NGC 2754

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.......:
15.7 (a) arcsec ... ... 0.900 (b/a) ... ... ... 35
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 31.40 ... 0.90 0.10 0.10 26 35
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
34.0 (a) arcsec ... ... 0.900 (b/a) ... ... ... 35
[J2000]
Diameter for "total" magnitude 1.38E+14 68.00 ... 0.90 0.10 0.10 26 35
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
0.90 arcmin 0.50 arcmin ... ... ... ... 130
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 54.00 ... 0.56 0.44 0.53 56 130
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
46.24 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 46.24 ... 0.56 0.44 0.53 56 130
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
69.18 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 69.18 ... 0.56 0.44 0.53 56 130
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
95.50 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 95.50 ... 0.56 0.44 0.53 56 130
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
29.51 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
70% total B light 6.81E+14 29.51 ... 0.56 0.44 0.53 56 130
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
43.15 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
80% total B light 6.81E+14 43.15 ... 0.56 0.44 0.53 56 130
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
69.18 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
90% total B light 6.81E+14 69.18 ... 0.56 0.44 0.53 56 130
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
15.49 arcsec ... ... 1.80 (a/b) ... ... ... 130.00
[B1950]
50% total B light, major dia. 6.81E+14 15.49 ... 0.56 0.44 0.53 56 130
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
12.02 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 12.02 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
4.15 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 4.15 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.10 arcsec ... ... 1.09 (a/b) ... ... ... 139.20
[B1950]
B exponential scale length 6.81E+14 0.10 ... 0.92 0.08 0.09 24 139
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.02 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.02 ... ... ... ... ... ...
15 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.91 log(2a) + 1 ... ... 0.18
log(a/b)
0.05 ... ... 130
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 48.80 6.00 0.66 0.34 0.39 49 130
[J2000]
16 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.94 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 52.30 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J09051123-1905048       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 15.7       arcsec               2a = 31.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 28.26 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.900                         b/a = 0.90
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.10
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.10
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 26 deg
Position Angle [Equinox]      :   35   deg [J2000]                  35 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          : 136.296799      -19.084707    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09051123-1905048 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 34.0 arcsec 2a = 68.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 61.20 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.900 b/a = 0.90 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 35 deg [J2000] 35 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 : 136.296799 -19.084707 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 564- G 016 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 0.90 arcmin 2a = 54.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130 deg [B1950] 130 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 : 090253. -185306. (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 46.24 arcsec 2a = 46.24 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 83.17 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 69.18 arcsec 2a = 69.18 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 124.42 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 95.50 arcsec 2a = 95.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 171.76 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 29.51 arcsec 2a = 29.51 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 53.08 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 43.15 arcsec 2a = 43.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 77.61 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 69.18 arcsec 2a = 69.18 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 124.42 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 15.49 arcsec 2a = 15.49 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 27.86 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.80 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 12.02 arcsec 2a = 12.02 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 4.15 arcsec 2a = 4.15 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 : 135.720840 -18.885000 (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 5640160 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.10 arcsec 2a = 0.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.11 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.09 b/a = 0.92 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 24 deg Position Angle [Equinox] : 139.20 deg [B1950] 139 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 : 135.720840 -18.885000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5640160 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.02 arcsec 2a = 0.02 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 : 135.720840 -18.885000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 15 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 564- G 016 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.91 2a = 48.80 arcsec Uncertainty : 0.05 6.00 arcsec Minor Axis (2b) : ... 2b = 32.26 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] : 130 deg [J2000] 130 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 : 090510.8 -190507. (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 564- G 016 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.94 2a = 52.30 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 : 090510.8 -190507. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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