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Date and Time of the Query: 2019-06-15 T20:51:07 PDT
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Diameter data point(s) for object NGC 3112

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.......:
13.4 (a) arcsec ... ... 0.460 (b/a) ... ... ... 65
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 26.80 ... 0.46 0.54 0.65 63 65
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
16.3 (a) arcsec ... ... 0.460 (b/a) ... ... ... 65
[J2000]
Diameter for "total" magnitude 1.38E+14 32.70 ... 0.46 0.54 0.65 63 65
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.00 arcmin 0.20 arcmin ... ... ... ... 47
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 60.00 ... 0.20 0.80 0.92 78 47
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
68.39 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 68.39 ... 0.20 0.80 0.92 78 47
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
84.14 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 84.14 ... 0.20 0.80 0.92 78 47
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
101.16 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 101.16 ... 0.20 0.80 0.92 78 47
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
48.42 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
70% total B light 6.81E+14 48.42 ... 0.20 0.80 0.92 78 47
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
57.54 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
80% total B light 6.81E+14 57.54 ... 0.20 0.80 0.92 78 47
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
73.28 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
90% total B light 6.81E+14 73.28 ... 0.20 0.80 0.92 78 47
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
35.89 arcsec ... ... 5.00 (a/b) ... ... ... 47.00
[B1950]
50% total B light, major dia. 6.81E+14 35.89 ... 0.20 0.80 0.92 78 47
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
19.28 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 19.28 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
15.38 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 15.38 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
16.90 arcsec ... ... 3.90 (a/b) ... ... ... 45.96
[B1950]
B exponential scale length 6.81E+14 16.90 ... 0.26 0.74 0.88 75 46
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
17.83 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 17.83 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J10035918-2046544       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 13.4       arcsec               2a = 26.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 12.33 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.460                         b/a = 0.46
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.54
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.65
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 63 deg
Position Angle [Equinox]      :   65   deg [J2000]                  65 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          : 150.996582      -20.781799    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J10035918-2046544 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 16.3 arcsec 2a = 32.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 15.04 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.460 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 65 deg [J2000] 65 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 : 150.996582 -20.781799 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 567- G 011 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.20 Uncertainty : ... ... 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] : 47 deg [B1950] 47 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 : 100138. -203218. (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 68.39 arcsec 2a = 68.39 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 341.95 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 84.14 arcsec 2a = 84.14 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 420.70 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 101.16 arcsec 2a = 101.16 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 505.80 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 48.42 arcsec 2a = 48.42 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 242.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 57.54 arcsec 2a = 57.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 287.70 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 73.28 arcsec 2a = 73.28 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 366.40 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 35.89 arcsec 2a = 35.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 179.45 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... 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] : 47.00 deg [B1950] 47 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 19.28 arcsec 2a = 19.28 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 15.38 arcsec 2a = 15.38 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 : 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 16.90 arcsec 2a = 16.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 65.76 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.90 b/a = 0.26 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.74 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.88 Uncertainty : ... ... Cos-1(b/a) : ... 75 deg Position Angle [Equinox] : 45.96 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 : 150.408340 -20.538334 (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 5670110 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 17.83 arcsec 2a = 17.83 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 : 150.408340 -20.538334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants

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