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Date and Time of the Query: 2019-06-26 T03:15:25 PDT
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Diameter data point(s) for object NGC 2880

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
2.40 arcmin 1.50 arcmin ... ... ... ... 140
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 144.00 ... 0.62 0.38 0.44 51 140
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
51.3 (a) arcsec ... ... 0.660 (b/a) ... ... ... -40
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 102.60 ... 0.66 0.34 0.39 49 140
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
73.1 (a) arcsec ... ... 0.660 (b/a) ... ... ... -40
[J2000]
Diameter for "total" magnitude 1.38E+14 146.20 ... 0.66 0.34 0.39 49 140
[J2000]
4 POSS1 103a-O
1962MCG1..C...0000V
0.65 arcmin 0.45 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 39.00 ... 0.69 0.31 0.35 46 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.31 log(2a) + 1 ... ... 0.23
log(a/b)
0.05 ... ... 140
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 122.50 14.90 0.59 0.41 0.48 54 140
[J2000]
6 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.86 log(2a) + 1 ... ... ... 0.05 ... ... ... ... 6.81E+14 43.50 5.30 ... ... ... ... ...
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.28 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 114.30 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
72.33 (a) arcsec 39.25 arcsec ... ... ... ... 145.9
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 144.67 ... 0.54 0.46 0.54 57 146
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
9.56 (a) arcsec ... ... ... 0.419 ... ... ... ... 4.77E+14 19.13 0.84 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.9568 (a) arcsec ... ... 0.704 (b/a) 0.014 ... ... 139.6
[J2000]
... 4.77E+14 9.91 0.03 0.70 0.30 0.34 45 140
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
3.5714 (a) arcsec ... ... 0.781 (b/a) 0.010 ... ... 134.9
[J2000]
... 4.77E+14 7.14 0.02 0.78 0.22 0.24 39 135
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 05051                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.40       arcmin                   2a = 144.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.50      arcmin              2b = 90.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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)                    : ...                                 51 deg
Position Angle [Equinox]      : 140    deg [B1950]                  140 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          : 092542.         +624300.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Diameters flagged uncertain.            

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09293461+6229262 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 51.3 arcsec 2a = 102.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 67.72 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.660 b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : -40 deg [J2000] 140 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 : 142.394150 62.490604 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09293461+6229262 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 73.1 arcsec 2a = 146.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 96.49 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.660 b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : -40 deg [J2000] 140 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 : 142.394150 62.490604 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +10-14-015 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.65 arcmin 2a = 39.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.45 arcmin 2b = 27.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.69 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 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 : 092542 +6242 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05051 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.31 2a = 122.50 arcsec Uncertainty : 0.05 14.90 arcsec Minor Axis (2b) : ... 2b = 72.15 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.23 b/a = 0.59 Uncertainty : 0.04 0.06 Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.48 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 140 deg [J2000] 140 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 : 092935.1 +622925. (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 05051 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.86 2a = 43.50 arcsec Uncertainty : 0.05 5.30 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 092935.1 +622925. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05051 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.28 2a = 114.30 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 : 092935.1 +622925. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J092934.55+622925.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 72.33 arcsec 2a = 144.67 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 39.25 arcsec 2b = 78.50 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 145.9 deg [J2000] 146 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 : 142.3939794791 62.4905529120 (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 J092934.55+622925.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 9.56 arcsec 2a = 19.13 arcsec Uncertainty : 0.419 arcsec 0.84 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 : 142.3939794791 62.4905529120 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J092934.55+622925.9 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.9568 arcsec 2a = 9.91 arcsec Uncertainty : 0.014 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.98 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.704 b/a = 0.70 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 139.6 deg [J2000] 140 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 : 142.3939794791 62.4905529120 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J092934.55+622925.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.5714 arcsec 2a = 7.14 arcsec Uncertainty : 0.010 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 5.58 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.781 b/a = 0.78 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 134.9 deg [J2000] 135 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 : 142.3939794791 62.4905529120 (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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