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Date and Time of the Query: 2019-05-25 T01:56:04 PDT
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Diameter data point(s) for object NGC 1324

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 K_s (2MASS isophotal)
20032MASX.C.......:
60.1 (a) arcsec ... ... 0.300 (b/a) ... ... ... -40
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 120.20 ... 0.30 0.70 0.83 73 140
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
84.6 (a) arcsec ... ... 0.300 (b/a) ... ... ... -40
[J2000]
Diameter for "total" magnitude 1.38E+14 169.10 ... 0.30 0.70 0.83 73 140
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
2.00 arcmin 0.70 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 120.00 ... 0.35 0.65 0.78 70 ...
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.32 log(2a) + 1 ... ... 0.42
log(a/b)
0.04 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 125.40 12.10 0.38 0.62 0.75 68 ...
5 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.33 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 128.30 ... ... ... ... ... ...
6 r (SDSS Isophotal)
2004SDSS2.C...0000:
60.41 (a) arcsec 24.82 arcsec ... ... ... ... 138.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 120.82 ... 0.41 0.59 0.71 66 138
[J2000]
7 r (SDSS Petrosian)
2004SDSS2.C...0000:
14.80 (a) arcsec ... ... ... 2.68 ... ... ... ... 4.77E+14 29.61 5.36 ... ... ... ... ...
8 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.366 (b/a) 0.10 ... ... 140.1
[J2000]
... 4.77E+14 23.50 0.21 0.37 0.63 0.76 69 140
[J2000]
9 r (SDSS Exponential)
2004SDSS2.C...0000:
7.06 (a) arcsec ... ... 0.368 (b/a) 0.03 ... ... 140.7
[J2000]
... 4.77E+14 14.12 0.07 0.37 0.63 0.76 68 141
[J2000]
10 r (SDSS Isophotal)
2007SDSS6.C...0000:
60.41 (a) arcsec 24.82 arcsec ... ... ... ... 138.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 120.82 ... 0.41 0.59 0.71 66 138
[J2000]
11 r (SDSS Petrosian)
2007SDSS6.C...0000:
14.80 (a) arcsec ... ... ... 2.681 ... ... ... ... 4.77E+14 29.61 5.36 ... ... ... ... ...
12 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7520 (a) arcsec ... ... 0.366 (b/a) 0.104 ... ... 140.1
[J2000]
... 4.77E+14 23.50 0.21 0.37 0.63 0.76 69 140
[J2000]
13 r (SDSS Exponential)
2007SDSS6.C...0000:
7.0597 (a) arcsec ... ... 0.368 (b/a) 0.034 ... ... 140.7
[J2000]
... 4.77E+14 14.12 0.07 0.37 0.63 0.76 68 141
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J03250169-0544452       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 60.1       arcsec               2a = 120.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 36.06 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.300                         b/a = 0.30
Uncertainty                   : ...                                 ...
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]      :  -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          : 51.257057       -5.745890    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03250169-0544452 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 84.6 arcsec 2a = 169.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 50.73 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.300 b/a = 0.30 Uncertainty : ... ... 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] : -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 : 51.257057 -5.745890 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG -01-09-038 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.00 arcmin 2a = 120.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.35 Uncertainty : ... ... 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] : ... ... 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 : 032236 -0555 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG -01-09-038 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.32 2a = 125.40 arcsec Uncertainty : 0.04 12.10 arcsec Minor Axis (2b) : ... 2b = 47.65 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.42 b/a = 0.38 Uncertainty : 0.05 0.05 Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 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 : 032501.8 -054445. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG -01-09-038 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.33 2a = 128.30 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 : 032501.8 -054445. (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 J032501.68-054444.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 60.41 arcsec 2a = 120.82 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 24.82 arcsec 2b = 49.64 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.71 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 138.4 deg [J2000] 138 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 : 51.2570190 -5.7458000 (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 J032501.68-054444.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 14.80 arcsec 2a = 29.61 arcsec Uncertainty : 2.68 arcsec 5.36 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 : 51.2570190 -5.7458000 (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 J032501.68-054444.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.10 arcsec 0.21 arcsec Minor Axis (2b) : ... 2b = 8.60 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.366 b/a = 0.37 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.63 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.76 Uncertainty : ... ... Cos-1(b/a) : ... 69 deg Position Angle [Equinox] : 140.1 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 : 51.2570190 -5.7458000 (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 J032501.68-054444.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 7.06 arcsec 2a = 14.12 arcsec Uncertainty : 0.03 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 5.20 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.368 b/a = 0.37 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.63 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.76 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 140.7 deg [J2000] 141 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 : 51.2570190 -5.7458000 (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 J032501.68-054444.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 60.41 arcsec 2a = 120.82 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 24.82 arcsec 2b = 49.64 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.71 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 138.4 deg [J2000] 138 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 : 51.2570208073 -5.7457999655 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J032501.68-054444.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 14.80 arcsec 2a = 29.61 arcsec Uncertainty : 2.681 arcsec 5.36 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 : 51.2570208073 -5.7457999655 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J032501.68-054444.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7520 arcsec 2a = 23.50 arcsec Uncertainty : 0.104 arcsec 0.21 arcsec Minor Axis (2b) : ... 2b = 8.60 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.366 b/a = 0.37 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.63 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.76 Uncertainty : ... ... Cos-1(b/a) : ... 69 deg Position Angle [Equinox] : 140.1 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 : 51.2570208073 -5.7457999655 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J032501.68-054444.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 7.0597 arcsec 2a = 14.12 arcsec Uncertainty : 0.034 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 5.20 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.368 b/a = 0.37 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.63 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.76 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 140.7 deg [J2000] 141 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 : 51.2570208073 -5.7457999655 (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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