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Date and Time of the Query: 2019-06-24 T10:12:46 PDT
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Diameter data point(s) for object NGC 3365

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
4.60 arcmin 0.80 arcmin ... ... ... ... 159
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 276.00 ... 0.17 0.83 0.94 80 159
[J2000]
2 POSS1 103a-O
1963MCG3..C...0000V
1.70 arcmin 0.25 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 102.00 ... 0.15 0.85 0.96 82 ...
3 POSS1 103a-O
1963MCG3..C...0000V
5.00 arcmin 0.60 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 300.00 ... 0.12 0.88 0.97 83 ...
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.65 log(2a) + 1 ... ... 0.76
log(a/b)
0.02 ... ... 159
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 268.00 12.60 0.17 0.83 0.94 80 159
[J2000]
5 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.22 log(2a) + 1 ... ... ... 0.04 ... ... ... ... 6.81E+14 99.60 9.60 ... ... ... ... ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.66 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 274.30 ... ... ... ... ... ...
7 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
62.7 (a) arcsec ... ... 0.320 (b/a) ... ... ... -16.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 125.40 ... 0.32 0.68 0.81 71 164
[J2000]
8 K_s (LGA/2MASS "total")
2003AJ....125..525J
125.1 (a) arcsec ... ... 0.320 (b/a) ... ... ... -16.0
[J2000]
Diameter for "total" magnitude 1.38E+14 250.20 ... 0.32 0.68 0.81 71 164
[J2000]
9 r (SDSS Isophotal)
2004SDSS2.C...0000:
154.83 (a) arcsec 20.93 arcsec ... ... ... ... 160.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 309.66 ... 0.14 0.86 0.96 82 161
[J2000]
10 r (SDSS Petrosian)
2004SDSS2.C...0000:
24.86 (a) arcsec ... ... ... 6.95 ... ... ... ... 4.77E+14 49.73 13.90 ... ... ... ... ...
11 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.463 (b/a) 0.03 ... ... 159.1
[J2000]
... 4.77E+14 23.51 0.07 0.46 0.54 0.65 62 159
[J2000]
12 r (SDSS Exponential)
2004SDSS2.C...0000:
12.19 (a) arcsec ... ... 0.300 (b/a) 0.09 ... ... 155.4
[J2000]
... 4.77E+14 24.39 0.18 0.30 0.70 0.83 73 155
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 05878                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 4.60       arcmin                   2a = 276.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.80      arcmin              2b = 48.00 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] = 0.94
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 80 deg
Position Angle [Equinox]      : 159    deg [B1950]                  159 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          : 104342.         +020500.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-28-006 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.70 arcmin 2a = 102.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.25 arcmin 2b = 15.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.15 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.85 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.96 Uncertainty : ... ... Cos-1(b/a) : ... 82 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Intermed. 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 : 104342 +0205 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-28-006 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 5.00 arcmin 2a = 300.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.60 arcmin 2b = 36.00 arcsec Uncertainty : ... ... Axis Ratio : ... 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] : ... ... 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 : 104342 +0205 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05878 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.65 2a = 268.00 arcsec Uncertainty : 0.02 12.60 arcsec Minor Axis (2b) : ... 2b = 46.63 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.76 b/a = 0.17 Uncertainty : 0.04 0.02 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] : 159 deg [J2000] 159 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 : 104613.1 +014846. (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 05878 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.22 2a = 99.60 arcsec Uncertainty : 0.04 9.60 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 : 104613.1 +014846. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05878 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.66 2a = 274.30 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 : 104613.1 +014846. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3365 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 62.7 arcsec 2a = 125.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 40.13 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.320 b/a = 0.32 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : -16.0 deg [J2000] 164 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 : 161.552704 1.813320 (J2000) Qualifiers : From new, raw data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3365 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 125.1 arcsec 2a = 250.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 80.06 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.320 b/a = 0.32 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : -16.0 deg [J2000] 164 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 : 161.552704 1.813320 (J2000) Qualifiers : From new, raw data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J104612.59+014847.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 154.83 arcsec 2a = 309.66 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 20.93 arcsec 2b = 41.86 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.14 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.86 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.96 Uncertainty : ... ... Cos-1(b/a) : ... 82 deg Position Angle [Equinox] : 160.5 deg [J2000] 161 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 : 161.5524445 1.8132850 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J104612.59+014847.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 24.86 arcsec 2a = 49.73 arcsec Uncertainty : 6.95 arcsec 13.90 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 : 161.5524445 1.8132850 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 11 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J104612.59+014847.8 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.51 arcsec Uncertainty : 0.03 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 10.89 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.463 b/a = 0.46 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 159.1 deg [J2000] 159 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 : 161.5524445 1.8132850 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 12 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J104612.59+014847.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 12.19 arcsec 2a = 24.39 arcsec Uncertainty : 0.09 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 7.32 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.300 b/a = 0.30 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.83 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 155.4 deg [J2000] 155 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 : 161.5524445 1.8132850 (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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