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Date and Time of the Query: 2019-06-26 T02:52:02 PDT
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Diameter data point(s) for object NGC 4622B

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-E
1974MCG5..C...0000V
0.1 arcmin 0.1 arcmin ... ... ... ... ... High surface brightness 7.40E+14 6.00 ... 1.00 0.00 0.00 0 ...
2 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
64.57 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 64.57 ... 0.68 0.32 0.37 48 67
[J2000]
3 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
91.20 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 91.20 ... 0.68 0.32 0.37 48 67
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
47.32 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
70% total B light 6.81E+14 47.32 ... 0.68 0.32 0.37 48 67
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
58.88 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
80% total B light 6.81E+14 58.88 ... 0.68 0.32 0.37 48 67
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
75.86 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
90% total B light 6.81E+14 75.86 ... 0.68 0.32 0.37 48 67
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
31.26 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
50% total B light, major dia. 6.81E+14 31.26 ... 0.68 0.32 0.37 48 67
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
44.16 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 44.16 ... ... ... ... ... ...
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
1.85 arcsec ... ... 1.48 (a/b) ... ... ... 67.45
[B1950]
B exponential scale length 6.81E+14 1.85 ... 0.68 0.32 0.37 48 67
[J2000]
10 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.40 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.40 ... ... ... ... ... ...
11 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.03 log(2a) + 1 ... ... 0.17
log(a/b)
0.07 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 64.30 11.20 0.68 0.32 0.37 47 ...
12 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.07 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 70.50 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1974MCG5..C...0000V
Published Object Name         : MCG -07-26-035                
Frequency Targeted            : POSS1 103a-E                  
Major Axis (2a)               : 0.1        arcmin                   2a = 6.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.1       arcmin              2b = 6.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 1.00
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.00
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.00
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 0 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          : 124109          -4027    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 64.57 arcsec 2a = 64.57 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 95.66 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 3 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 91.20 arcsec 2a = 91.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 135.11 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 47.32 arcsec 2a = 47.32 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 70.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (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 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 58.88 arcsec 2a = 58.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 87.23 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (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 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 75.86 arcsec 2a = 75.86 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 112.39 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (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 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 31.26 arcsec 2a = 31.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 46.31 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (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 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 44.16 arcsec 2a = 44.16 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 : 190.281464 -40.446205 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 9 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3220641 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 1.85 arcsec 2a = 1.85 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 2.74 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.48 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 67.45 deg [B1950] 67 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 : 190.281464 -40.446205 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 10 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3220641 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.40 arcsec 2a = 0.40 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 : 190.281464 -40.446205 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 11 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 322-IG 064 NED02 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.03 2a = 64.30 arcsec Uncertainty : 0.07 11.20 arcsec Minor Axis (2b) : ... 2b = 43.47 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.17 b/a = 0.68 Uncertainty : 0.06 0.10 Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : ... ... 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 : 124353.3 -404325. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 322-IG 064 NED02 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.07 2a = 70.50 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 : 124353.3 -404325. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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