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Date and Time of the Query: 2019-06-17 T14:37:39 PDT
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Diameter data point(s) for object NGC 0526B

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.......:
14.0 (a) arcsec ... ... 0.620 (b/a) ... ... ... -20
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 28.00 ... 0.62 0.38 0.44 52 160
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
24.5 (a) arcsec ... ... 0.620 (b/a) ... ... ... -20
[J2000]
Diameter for "total" magnitude 1.38E+14 49.10 ... 0.62 0.38 0.44 52 160
[J2000]
3 POSS1 103a-E
1974MCG5..C...0000V
0.3 arcmin 0.2 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 18.00 ... 0.67 0.33 0.38 48 ...
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
42.17 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 42.17 ... 0.64 0.36 0.42 50 175
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
54.33 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 54.33 ... 0.64 0.36 0.42 50 175
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
66.8 arcsec ... ... 1.570 (a/b) ... ... ... 175.14
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 66.80 ... 0.64 0.36 0.42 50 175
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
66.83 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 66.83 ... 0.64 0.36 0.42 50 175
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
20.89 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
70% total B light 6.81E+14 20.89 ... 0.64 0.36 0.42 50 175
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
27.23 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
80% total B light 6.81E+14 27.23 ... 0.64 0.36 0.42 50 175
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
38.90 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
90% total B light 6.81E+14 38.90 ... 0.64 0.36 0.42 50 175
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
13.18 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
50% total B light, major dia. 6.81E+14 13.18 ... 0.64 0.36 0.42 50 175
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
70.79 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 70.79 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.99 arcsec ... ... 1.57 (a/b) ... ... ... 175.14
[B1950]
B exponential scale length 6.81E+14 0.99 ... 0.64 0.36 0.42 50 175
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.38 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.38 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J01235705-3504095       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 14.0       arcsec               2a = 28.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 17.36 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.620                         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)                    : ...                                 52 deg
Position Angle [Equinox]      :  -20   deg [J2000]                  160 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          : 20.987806       -35.069275    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J01235705-3504095 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 24.5 arcsec 2a = 49.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 30.44 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.620 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) : ... 52 deg Position Angle [Equinox] : -20 deg [J2000] 160 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 : 20.987806 -35.069275 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -06-04-020 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 0.3 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.2 arcmin 2b = 12.00 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 : Very 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 : 012145 -3520 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 42.17 arcsec 2a = 42.17 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 66.20 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 54.33 arcsec 2a = 54.33 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 85.29 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 66.8 arcsec 2a = 66.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 104.87 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.570 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.41960 -35.33205 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 66.83 arcsec 2a = 66.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 104.91 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 20.89 arcsec 2a = 20.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 32.79 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 27.23 arcsec 2a = 27.23 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 42.75 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 38.90 arcsec 2a = 38.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 61.07 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 13.18 arcsec 2a = 13.18 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 20.69 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 70.79 arcsec 2a = 70.79 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.99 arcsec 2a = 0.99 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1.55 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.57 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 175.14 deg [B1950] 175 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 : 20.419598 -35.332054 (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 3520661 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.38 arcsec 2a = 0.38 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 : 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 : 20.419598 -35.332054 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF

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