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Date and Time of the Query: 2019-04-25 T03:17:53 PDT
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Diameter data point(s) for object NGC 4085

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
1973UGC...C...0000N
2.70 arcmin 0.80 arcmin ... ... ... ... 78
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 162.00 ... 0.30 0.70 0.84 73 78
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
68.6 (a) arcsec ... ... 0.220 (b/a) ... ... ... 80
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 137.20 ... 0.22 0.78 0.91 77 80
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
96.7 (a) arcsec ... ... 0.220 (b/a) ... ... ... 80
[J2000]
Diameter for "total" magnitude 1.38E+14 193.40 ... 0.22 0.78 0.91 77 80
[J2000]
4 POSS1 103a-O
1962MCG1..C...0000V
2.60 arcmin 0.70 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 156.00 ... 0.27 0.73 0.87 74 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.45 log(2a) + 1 ... ... 0.55
log(a/b)
0.02 ... ... 78
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 169.10 8.00 0.28 0.72 0.85 74 78
[J2000]
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.45 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 169.10 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
67.36 (a) arcsec 22.14 arcsec ... ... ... ... 73.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 134.71 ... 0.33 0.67 0.80 71 74
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
17.34 (a) arcsec ... ... ... 3.272 ... ... ... ... 4.77E+14 34.67 6.54 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7475 (a) arcsec ... ... 0.482 (b/a) 0.147 ... ... 77.0
[J2000]
... 4.77E+14 23.50 0.29 0.48 0.52 0.62 61 77
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
8.0437 (a) arcsec ... ... 0.350 (b/a) 0.031 ... ... 79.7
[J2000]
... 4.77E+14 16.09 0.06 0.35 0.65 0.78 70 80
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07075                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.70       arcmin                   2a = 162.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.80      arcmin              2b = 48.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.30
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.70
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.84
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 73 deg
Position Angle [Equinox]      :  78    deg [B1950]                  78 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : About 25.0 B-mag arcsec^-2^   
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          : 120248.         +503900.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12052270+5021098 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 68.6 arcsec 2a = 137.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 30.18 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.220 b/a = 0.22 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.78 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : 80 deg [J2000] 80 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 : 181.344559 50.352795 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12052270+5021098 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 96.7 arcsec 2a = 193.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 42.55 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.220 b/a = 0.22 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.78 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : 80 deg [J2000] 80 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 : 181.344559 50.352795 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +09-20-086 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.60 arcmin 2a = 156.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.27 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.73 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.87 Uncertainty : ... ... Cos-1(b/a) : ... 74 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Low 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 : 120248 +5037 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07075 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.45 2a = 169.10 arcsec Uncertainty : 0.02 8.00 arcsec Minor Axis (2b) : ... 2b = 47.69 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.55 b/a = 0.28 Uncertainty : 0.02 0.01 Ellipticity : ... 1 - b/a = 0.72 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 74 deg Position Angle [Equinox] : 78 deg [J2000] 78 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 : 120522.9 +502114. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07075 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.45 2a = 169.10 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 : 120522.9 +502114. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120522.71+502110.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 67.36 arcsec 2a = 134.71 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 22.14 arcsec 2b = 44.28 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.33 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.67 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.80 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 73.7 deg [J2000] 74 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 mag arcsec^-2^ Frequency : 6290 A 4.77E+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 : 181.3446264799 50.3529531360 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120522.71+502110.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 17.34 arcsec 2a = 34.67 arcsec Uncertainty : 3.272 arcsec 6.54 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Profile fitting to image Measured Quantity : See comments Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 181.3446264799 50.3529531360 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120522.71+502110.6 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7475 arcsec 2a = 23.50 arcsec Uncertainty : 0.147 arcsec 0.29 arcsec Minor Axis (2b) : ... 2b = 11.32 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.482 b/a = 0.48 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.62 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 77.0 deg [J2000] 77 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+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 : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 181.3446264799 50.3529531360 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120522.71+502110.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 8.0437 arcsec 2a = 16.09 arcsec Uncertainty : 0.031 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 5.63 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.350 b/a = 0.35 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.78 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 79.7 deg [J2000] 80 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+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 : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 181.3446264799 50.3529531360 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

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