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Date and Time of the Query: 2019-06-20 T16:57:47 PDT
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Diameter data point(s) for object IC 0480

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
1.80 arcmin 0.30 arcmin ... ... ... ... 168
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 108.00 ... 0.17 0.83 0.95 80 168
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
51.3 (a) arcsec ... ... 0.120 (b/a) ... ... ... -10
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 102.60 ... 0.12 0.88 0.97 83 170
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
71.1 (a) arcsec ... ... 0.120 (b/a) ... ... ... -10
[J2000]
Diameter for "total" magnitude 1.38E+14 142.30 ... 0.12 0.88 0.97 83 170
[J2000]
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.22 log(2a) + 1 ... ... 0.76
log(a/b)
0.06 ... ... 168
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 99.60 14.80 0.17 0.83 0.94 80 168
[J2000]
5 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.23 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 101.90 ... ... ... ... ... ...
6 r (SDSS Isophotal)
2004SDSS2.C...0000:
62.76 (a) arcsec 13.29 arcsec ... ... ... ... 166.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 125.51 ... 0.21 0.79 0.91 78 166
[J2000]
7 r (SDSS Petrosian)
2004SDSS2.C...0000:
12.64 (a) arcsec ... ... ... 2.57 ... ... ... ... 4.77E+14 25.28 5.14 ... ... ... ... ...
8 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.440 (b/a) 0.13 ... ... 165.3
[J2000]
... 4.77E+14 23.50 0.25 0.44 0.56 0.68 64 165
[J2000]
9 r (SDSS Exponential)
2004SDSS2.C...0000:
10.44 (a) arcsec ... ... 0.200 (b/a) 0.11 ... ... 164.2
[J2000]
... 4.77E+14 20.89 0.21 0.20 0.80 0.92 78 164
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 04096                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.80       arcmin                   2a = 108.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.30      arcmin              2b = 18.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.17
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.83
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.95
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 80 deg
Position Angle [Equinox]      : 168    deg [B1950]                  168 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          : 075218.         +265200.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J07552302+2644459 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 51.3 arcsec 2a = 102.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 12.31 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.120 b/a = 0.12 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.88 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.97 Uncertainty : ... ... Cos-1(b/a) : ... 83 deg Position Angle [Equinox] : -10 deg [J2000] 170 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 : 118.845985 26.746042 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J07552302+2644459 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 71.1 arcsec 2a = 142.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 17.08 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.120 b/a = 0.12 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.88 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.97 Uncertainty : ... ... Cos-1(b/a) : ... 83 deg Position Angle [Equinox] : -10 deg [J2000] 170 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 : 118.845985 26.746042 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 04096 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.22 2a = 99.60 arcsec Uncertainty : 0.06 14.80 arcsec Minor Axis (2b) : ... 2b = 17.33 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.76 b/a = 0.17 Uncertainty : 0.06 0.03 Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 168 deg [J2000] 168 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 : 075522.9 +264435. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 04096 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.23 2a = 101.90 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 : 075522.9 +264435. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J075523.23+264428.0 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 62.76 arcsec 2a = 125.51 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 13.29 arcsec 2b = 26.58 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.21 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.79 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 166.4 deg [J2000] 166 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 : 118.8467712 26.7411232 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J075523.23+264428.0 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 12.64 arcsec 2a = 25.28 arcsec Uncertainty : 2.57 arcsec 5.14 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 : 118.8467712 26.7411232 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J075523.23+264428.0 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.13 arcsec 0.25 arcsec Minor Axis (2b) : ... 2b = 10.34 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.440 b/a = 0.44 Uncertainty : 0.007 0.01 Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.68 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 165.3 deg [J2000] 165 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 : 118.8467712 26.7411232 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 9 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J075523.23+264428.0 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 10.44 arcsec 2a = 20.89 arcsec Uncertainty : 0.11 arcsec 0.21 arcsec Minor Axis (2b) : ... 2b = 4.18 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.200 b/a = 0.20 Uncertainty : 0.003 0.00 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] : 164.2 deg [J2000] 164 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 : 118.8467712 26.7411232 (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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